limits of sorting

Article: Hot Chips XXI Preview
By: JasonB (no.delete@this.spam.com), August 18, 2009 11:11 pm
Room: Moderated Discussions
Richard Cownie (tich@pobox.com) on 8/18/09 wrote:
---------------------------
>JasonB (no@spam.com) on 8/18/09 wrote:
>---------------------------
>
>>sort() is really simple and I doubt there has been a >problem with that for a long time on any implementation.
>
>I dunno. From a quick google it looks as though the
>algorithm changed from a QuickSort to an IntroSort
>(combination of MergeSort and QuickSort) around 2000.
>Which doesn't exactly make it sound either particularly
>simple, nor particularly stable (in terms of code not
>changing).

That's still pretty simple and stable compared to most code. :-) Also, by "simple" I was really referring to the implementation being fairly straightforward code rather than heavily relying on the murkier corners of the language where you are more likely to run into trouble with compilers. It would take a lot of testing for me to have more confidence in something I threw together than in sort().

>>At the very least I'd give it a test to see how it >performs (and therefore whether
>>it is worthwhile pursuing or not), since it shouldn't take >more than a few minutes to implement.
>
>I just tried the simplest case, and time to sort 2M
>integers was around 300msec in the same ballpark as my
>not-highly-tuned trie-sort code; but this wasn't really
>an apples-to-apples comparison, as the trie-sort has to
>get the keys out of a struct, whereas the STL sort was
>just handling a vector.

You could do an apples-to-apples comparison just by writing the appropriate functor or overloading the less-than operator to get the keys out of the struct, something like:

bool operator<(const MyStruct& x, const MyStruct& y)
{
return x.Key < y.Key;
}

(That's assuming you don't already have that operator overloaded for your struct and you don't want to have to specify the functor in the call to sort(). Obviously x.Key can be replaced by whatever magic is required to obtain the necessary key.)

In this case, if there isn't really a performance difference and you've already written your own sort, then the only real advantage of using sort() would be in having less code to compile and maintenance. But another way of saying the above (assuming the conclusion holds for an apples-to-apples comparison) is that you could have saved yourself the time it took to implement and test your own sorting routine (and, done much earlier, the time spent maintaining the old sort routine) by simply using sort().

>>Not using "sort" because it might break seems a bit >incongruous in the circumstances. :-)
>
>Well, you pick your battles ... And if we don't meet
>our memory-size constraints, we can't run the program
>at all - whereas if we use a less-than-optimal sorting
>routine, it just costs a few extra minutes. Not such
>a show-stopper.

Not in this case, but it's more the general principle (being unwilling to use STL sort() because it might break while relying on undefined compiler behaviour that actually did turn out to break as soon as someone used some threading) that I was referring to.

>>I'm not familiar enough with Linux programming to know for sure, but I would have
>>thought you could (and probably should) write your own custom allocators that could
>>give you the desired behaviour in a portable and safe way, rather than depend on the implementation details of glibc?
>
>Yes, I considered that option at several points. But
>it was always hard to justify the effort involved in
>writing and maintaining a complete general-purpose
>allocator, when what we had worked fine (until someone
>on another continent decided to use threads, and then
>it became an urgent problem that required a faster fix
>than writing a new allocator).

The problem is that as soon as you made the decision to rely on undefined behaviour rather than rolling your own the risk was always there. And if you're using C++ the allocator needn't be complete and general-purpose, it can be a special-case allocator just for a particular class, tuned to the actual usage patterns of that class.

Of course it could still be the right decision in your case, as can taking the opposite approach with your sorting, although I suspect you would always have been safer with a decision to use sort() despite your misgivings about doing so, even if the rewards would not have been as great.

>>It's certainly more work than serial code, but it's not that hard to safely
>>parallelise subsets of code. Sometimes it's really easy and obviously correct, other
>>times it's a lot more complicated.
>
>For the kind of stuff I mostly work on - big complicated
>highly-interlinked data structures, with hundreds of
>different classes - attempting to retrofit threading
>would be a nightmare.

No doubt. I normally look at it on an operation-by-operation basis. Is it an expensive operation from the user's point of view? Can the operation be split into sub-operations, a worthwhile subset of which can view and operate on the data as independent sets? Will it make the operation significantly faster to do so? The first and third determine the benefits; the second determines the cost. A resounding "Yes" to the second means the answers to the first and third questions can be weaker. It also makes it much more likely that the transformation only needs to be done once and after that additional processors will simply mean more partitions. A "No" for the second means more effort required and therefore the benefits need to be correspondingly greater to be worth the effort.

The second one is worth thinking about, because for certain operations a big, complicated, high-interlinked set of data structures can look just like a set of completely independent and easily partitioned sets of data, while for other operations the exact same set of data structures cannot be partitioned.

>>If you find that a hotspot is one of those really
>>easy and obviously correct cases then leaving all that extra performance on the
>
>And in this case the sort'ing is very probably
>parallelizable - but in fact, since it's only about
>15 minutes in 20 hours, it hardly counts as a "hotspot".

Not in this case, no. In fact, I wouldn't have bothered with the trie-sort experiment for that very reason. :-) I would have compared sort() with the existing implementation for maintainability reasons, though.

>Yes. I'm aware that you can have programs which produce
>"correct" but non-deterministic and non-repeatable
>results. Our customers really don't like that though
>(and we don't like debugging non-repeatable bugs).

In this case the data is a set of points representing a surface, akin to what you get from a laser scanner. Since the particular points you get from any particular scan are arbitrary anyway, it doesn't really matter if you get a slightly different set of points from one time to the next. (In this case, "slightly different" is generally a few hundred points different out of a million; still on the same surface but at slightly different locations on the surface. Assuming the point cloud is dense with respect to the level of detail on the surface that is required, precise locations don't matter, and if it's not dense enough, then you've planned it wrong because you don't know where the points will be even in the deterministic, single-threaded case.)

It's potentially more of an issue for us in terms of debugging, but bugs in that part of the code are very rare and we can easily verify any non-threading-related change to the code simply by running it with a single thread (in which case the result is repeatable). Threading-related changes require very careful inspection of the code in that case (testing threaded code is nowhere near as valuable) because unlike the other operations, that one isn't obviously correct on inspection. However, the performance benefits justify the effort required.

>Again, YMMV: there's a wide range of choices in the
>design space.

That's why my comments are so heavily qualified; I'm not trying to critique your design choices, I'm simply making some general observations that may or may not be relevant in your case.
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                                              Speculation and wasteanon2009/08/19 02:52 AM
                                            Speculation and wasteTruePath2009/09/27 06:23 AM
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                                          How much IPCanon2009/08/18 02:27 AM
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                                      How much IPCMichael S2009/08/17 03:39 PM
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                                                How much IPC_Arthur2009/08/17 08:48 PM
                                                  How much IPCMichael S2009/08/18 03:07 AM
                                                    limits of sortinghobold2009/08/18 04:26 AM
                                                      limits of sortingMichael S2009/08/18 05:26 AM
                                                        limits of sorting_Arthur2009/08/18 06:03 AM
                                                          limits of sortingRichard Cownie2009/08/18 06:32 AM
                                                            limits of sortingMichael S2009/08/18 07:17 AM
                                                              limits of sortingRichard Cownie2009/08/18 08:22 AM
                                                                limits of sorting_Arthur2009/08/18 08:57 AM
                                                                  limits of sortingRichard Cownie2009/08/18 09:30 AM
                                                                    limits of sortingRichard Cownie2009/08/18 09:45 AM
                                                                    limits of sortingMichael S2009/08/18 09:50 AM
                                                                      limits of sortingRichard Cownie2009/08/18 10:09 AM
                                                                        limits of sortingMichael S2009/08/18 10:33 AM
                                                                          limits of sortingRichard Cownie2009/08/18 10:53 AM
                                                                            limits of sortingMichael S2009/08/18 11:28 AM
                                                                              limits of sortingRichard Cownie2009/08/18 12:01 PM
                                                                                limits of sortingJasonB2009/08/18 06:40 PM
                                                                                  limits of sortingRichard Cownie2009/08/18 07:22 PM
                                                                                    You work on EDA right Richard?David Kanter2009/08/18 07:49 PM
                                                                                      You work on EDA right Richard?Richard Cownie2009/08/19 05:56 AM
                                                                                        You work on EDA right Richard?David Kanter2009/08/19 08:26 AM
                                                                                          You work on EDA right Richard?Richard Cownie2009/08/19 08:47 AM
                                                                                            You work on EDA right Richard?slacker2009/08/19 09:52 AM
                                                                                              You work on EDA right Richard?Richard Cownie2009/08/19 10:10 AM
                                                                                                You work on EDA right Richard?slacker2009/08/19 11:36 PM
                                                                                                  You work on EDA right Richard?slacker2009/08/19 11:45 PM
                                                                                                  You work on EDA right Richard?Richard Cownie2009/08/20 05:28 AM
                                                                                                    You work on EDA right Richard?slacker2009/08/20 06:32 AM
                                                                                          You work on EDA right Richard?Aaron Spink2009/08/20 12:08 AM
                                                                                          You work on EDA right Richard?Rob Thorpe2009/08/20 08:31 AM
                                                                                            You work on EDA right Richard?David Kanter2009/08/20 09:58 AM
                                                                                              You work on EDA right Richard?Rob Thorpe2009/08/20 04:10 PM
                                                                                    limits of sortingrwessel2009/08/18 07:56 PM
                                                                                    limits of sortingJasonB2009/08/18 11:11 PM
                                                                                      limits of sortingJasonB2009/08/18 11:25 PM
                                                                                      limits of sortingRichard Cownie2009/08/19 06:32 AM
                                                                                        limits of sortingRob Thorpe2009/08/19 07:12 AM
                                                                                          limits of sortingRichard Cownie2009/08/19 07:46 AM
                                                                                        limits of sortingJasonB2009/08/19 08:43 PM
                                                                                          limits of sortingRichard Cownie2009/08/20 07:47 AM
                                                                                            limits of sortingJasonB2009/08/20 08:20 PM
                                                                                              limits of sortingRichard Cownie2009/08/20 11:12 PM
                                                                                                limits of sortingJasonB2009/08/21 02:08 AM
                                                                                                  limits of sortingRichard Cownie2009/08/21 05:15 AM
                                                                                                    limits of sortingJasonB2009/08/22 06:24 PM
                                                                                                      limits of sortingRichard Cownie2009/08/22 07:27 PM
                                                                                                        limits of sortingRichard Cownie2009/08/22 08:39 PM
                                                                                                        limits of sorting?2009/08/23 05:07 AM
                                                                                                          limits of sortingRichard Cownie2009/08/23 05:53 AM
                                                                                                            limits of sortinganonymous2009/08/23 11:42 AM
                                                                                                              useful link, thanksRichard Cownie2009/08/23 05:23 PM
                                                                                                            limits of sorting?2009/09/04 04:05 AM
                                                                                                        limits of sortingJasonB2009/08/23 09:26 AM
                                                                                                          wacky C++ featuresRichard Cownie2009/08/24 07:13 AM
                                                                                                            wacky C++ featuresa reader2009/08/24 09:59 PM
                                                                                                              wacky C++ featuresRichard Cownie2009/08/25 03:18 AM
                                                                                                                wacky C++ featuresa reader2009/08/25 07:04 AM
                                                                                                                  wacky C++ featuresPotatoswatter2009/08/25 10:21 PM
                                                                                                                    wacky C++ featuresnone2009/08/26 05:47 AM
                                                                                                                    wacky C++ featuresRichard Cownie2009/08/26 08:09 AM
                                                                                                                      wacky C++ featuresPotatoswatter2009/08/27 06:25 AM
                                                                                                            wacky C++ featuresAndi Kleen2009/08/25 12:06 AM
                                                                                                              wacky C++ featuresRichard Cownie2009/08/25 03:10 AM
                                                                                                              wacky C++ featuresOctoploid2009/08/25 03:40 AM
                                                                                                                wacky C++ featuresRichard Cownie2009/08/25 05:15 AM
                                                                                                                  wacky C++ featuresAndi Kleen2009/08/25 07:58 AM
                                                                                                                    thanksRichard Cownie2009/08/25 08:07 AM
                                                                                                                      thanksAndi Kleen2009/08/25 11:28 AM
                                                                                                              wacky C++ featuresanon2009/08/25 03:34 PM
                                                                                                                wacky C++ featuresAndi Kleen2009/08/25 10:25 PM
                                                                                                            wacky C++ featuresJasonB2009/08/25 01:13 AM
                                                                                                              wacky C++ featuresRichard Cownie2009/08/25 02:32 AM
                                                                                                                exceptiona reader2009/08/25 07:32 AM
                                                                                                                  exceptionRichard Cownie2009/08/25 07:57 AM
                                                                                                                    exceptionPotatoswatter2009/08/25 08:30 AM
                                                                                                                wacky C++ featuresJasonB2009/08/25 08:56 PM
                                                                                                                  correctionJasonB2009/08/25 09:47 PM
                                                                                                                    correctionc++2009/08/26 09:53 AM
                                                                                                                      correctionJasonB2009/08/26 07:48 PM
                                                                                                                      (new char[10]) does not have array type (NT)Potatoswatter2009/08/27 06:27 AM
                                                                                                                      correctionPotatoswatter2009/08/27 07:52 AM
                                                                                                                        correctionc++2009/08/27 09:29 AM
                                                                                                                          comeau bugs and gcc featuresPotatoswatter2009/08/27 09:51 AM
                                                                                                                            comeau bugs and gcc featuresPotatoswatter2009/08/27 11:28 AM
                                                                                                                  wacky C++ featuresRichard Cownie2009/08/26 09:17 AM
                                                                                                                    wacky C++ featuresJasonB2009/08/26 07:46 PM
                                                                                                                      wacky C++ featuresRichard Cownie2009/08/27 09:41 AM
                                                                                                                        wacky C++ featuresJasonB2009/08/27 09:33 PM
                                                                                                                          wacky C++ featuresRichard Cownie2009/08/28 01:24 AM
                                                                                                                            wacky C++ featuresRichard Cownie2009/08/28 01:27 AM
                                                                                                                              wacky C++ featuresMichael S2009/08/28 06:05 AM
                                                                                                                                wacky C++ featuresEduardoS2009/08/28 06:45 AM
                                                                                                                                wacky C++ featuresRichard Cownie2009/08/28 07:50 AM
                                                                                                                                  wacky C++ featuresJasonB2009/08/28 04:56 PM
                                                                                                                            wacky C++ featuresJasonB2009/08/28 05:55 PM
                                                                                                                              wacky C++ featuresRichard Cownie2009/08/28 07:44 PM
                                                                                                                            wacky C++ featuresKonrad Schwarz2009/09/07 04:24 AM
                                                                                                                  wacky C++ featuresEduardoS2009/08/26 03:22 PM
                                                                                                                    wacky C++ featuresJasonB2009/08/26 06:47 PM
                                                                                                                      wacky C++ featuresJukka Larja2009/08/27 12:03 AM
                                                                                                                        wacky C++ featuresJasonB2009/08/27 01:17 AM
                                                                                                                      wacky C++ featuresEduardoS2009/08/27 03:26 PM
                                                                                                                        wacky C++ featuresJasonB2009/08/27 06:31 PM
                                                                                                                          wacky C++ featuresEduardoS2009/08/28 03:25 PM
                                                                                                                            wacky C++ featuresJasonB2009/08/28 06:20 PM
                                                                                                                        wacky C++ featuresJasonB2009/08/27 09:56 PM
                                                                                                  Windows vs Unix/Linux cultureRichard Cownie2009/08/21 07:33 AM
                                                                                                    Windows vs Unix/Linux cultureMichael S2009/08/21 08:07 AM
                                                                                                      Windows vs Unix/Linux cultureRichard Cownie2009/08/21 08:33 AM
                                                                                                      Windows vs Unix/Linux culturePaul2009/08/22 04:12 AM
                                                                                                    Windows vs Unix/Linux cultureanon2009/08/21 11:18 PM
                                                                                                      Windows vs Unix/Linux cultureRichard Cownie2009/08/21 11:45 PM
                                                                                                        Windows vs Unix/Linux cultureanon2009/08/22 12:48 AM
                                                                                                    Windows vs Unix/Linux culturePaul2009/08/22 04:25 AM
                                                                                                      Windows vs Unix/Linux cultureGian-Carlo Pascutto2009/08/22 07:02 AM
                                                                                                        Windows vs Unix/Linux culturePaul2009/08/22 08:13 AM
                                                                                                          Windows vs Unix/Linux culturerwessel2009/08/24 03:09 PM
                                                                                                    Windows vs Unix/Linux cultureJasonB2009/08/22 05:28 PM
                                                                                                      Windows vs Unix/Linux cultureRichard Cownie2009/08/22 06:22 PM
                                                                                                        Windows vs Unix/Linux cultureJasonB2009/08/22 06:52 PM
                                                                                                          Windows vs Unix/Linux cultureRichard Cownie2009/08/22 07:47 PM
                                                                                                        EncapsulationKonrad Schwarz2009/09/03 04:49 AM
                                                                                                          Encapsulationanon2009/09/03 10:05 AM
                                                                                                          Encapsulation?2009/09/03 11:38 AM
                                                                                                          EncapsulationAndi Kleen2009/09/04 01:41 AM
                                                                                                            Encapsulationanon2009/09/04 07:24 AM
                                                                                                            EncapsulationRichard Cownie2009/09/04 07:34 AM
                                                                                                              EncapsulationKonrad Schwarz2009/09/07 03:28 AM
                                                                                                                EncapsulationRichard Cownie2009/09/07 04:04 PM
                                                                                                        Windows vs Unix/Linux culture?2009/09/03 11:51 AM
                                                                                                      Windows vs Unix/Linux cultureno thanks2009/08/23 10:36 AM
                                                                                                        Windows vs Unix/Linux cultureRichard Cownie2009/08/23 04:23 PM
                                                                                                          Windows vs Unix/Linux cultureJasonB2009/08/23 08:31 PM
                                                                                                            Windows vs Unix/Linux cultureRichard Cownie2009/08/24 12:10 AM
                                                                                                              Windows vs Unix/Linux cultureJukka Larja2009/08/24 10:13 PM
                                                                                                              Windows vs Unix/Linux cultureJasonB2009/08/24 11:35 PM
                                                                                                                Windows vs Unix/Linux cultureRichard Cownie2009/08/25 03:04 AM
                                                                                                                  Windows vs Unix/Linux cultureJasonB2009/08/25 11:48 PM
                                                                                                                    Windows vs Unix/Linux cultureRichard Cownie2009/08/26 08:28 AM
                                                                                                                      Windows vs Unix/Linux cultureJasonB2009/08/26 10:31 PM
                                                                                                                    Windows vs Unix/Linux cultureRichard Cownie2009/08/26 08:43 AM
                                                                                                                    Windows vs Unix/Linux cultureanon2009/08/26 01:48 PM
                                                                                                                      Windows vs Unix/Linux cultureRichard Cownie2009/08/26 03:28 PM
                                                                                                                      Windows vs Unix/Linux cultureJasonB2009/08/26 08:06 PM
                                                                                                                        Windows vs Unix/Linux cultureRichard Cownie2009/08/27 03:44 AM
                                                                                                                          Windows vs Unix/Linux cultureRob Thorpe2009/08/27 05:51 AM
                                                                                                        Windows vs Unix/Linux cultureJasonB2009/08/23 09:07 PM
                                                                                                          Windows vs Unix/Linux cultureno thanks2009/08/23 09:44 PM
                                                                                                            Windows vs Unix/Linux cultureJasonB2009/08/24 12:34 AM
                                                                                                        Windows vs Unix/Linux cultureanon2009/08/23 09:46 PM
                                                                                          limits of sortingRichard Cownie2009/08/20 07:59 AM
                                                                                            limits of sortingRichard Cownie2009/08/20 09:27 AM
                                                                                              limits of sortingJasonB2009/08/20 08:55 PM
                                                                                                limits of sortingRichard Cownie2009/08/20 11:22 PM
                                                                                                  limits of sortingJasonB2009/08/21 12:15 AM
                                                                                                    limits of sortingRichard Cownie2009/08/21 04:47 AM
                                                                                              limits of sorting?2009/08/20 11:42 PM
                                                                                                limits of sortingRichard Cownie2009/08/21 07:51 AM
                                                                                                  limits of sortingMichael S2009/08/21 08:11 AM
                                                                                                    limits of sortingRichard Cownie2009/08/21 08:38 AM
                                                                                            limits of sortingdmsc2009/08/20 07:56 PM
                                                                                              limits of sortingRichard Cownie2009/08/20 08:20 PM
                                                                                          limits of sortingRob Thorpe2009/08/20 08:09 AM
                                                                              limits of sortingAaron Spink2009/08/20 12:19 AM
                                                                                limits of sortingJasonB2009/08/20 01:55 AM
                                                          limits of sortingMichael S2009/08/18 07:12 AM
                                                        limits of sortinghobold2009/08/18 07:55 AM
                                                          limits of sortingrwessel2009/09/08 02:52 PM
                                                            maximal theoretical sorting efficiencyEmil2009/09/08 07:06 PM
                                                              maximal theoretical sorting efficiencyrwessel2009/09/08 10:04 PM
                                                                maximal theoretical sorting efficiencyhobold2009/09/09 04:56 AM
                                                              maximal theoretical sorting efficiencyRichard Cownie2009/09/09 09:10 AM
                                                                maximal theoretical sorting efficiencyhobold2009/09/10 05:39 AM
                                                                  maximal theoretical sorting efficiencyRichard Cownie2009/09/10 08:05 AM
                                                                    maximal theoretical sorting efficiencyPotatoswatter2009/09/10 01:23 PM
                                                                  maximal theoretical sorting efficiencydmsc2009/09/13 08:04 AM
                                                      limits of sortingPotatoswatter is back!2009/08/21 06:07 PM
                                                        indeed it doesn't succeed in partitioning at all, but you get the idea ;) (NT)Potatoswatter is back!2009/08/21 06:12 PM
                                                          indeed it doesn't succeed in partitioning at all, but you get the idea ;) (NT)Jouni Osmala2009/08/22 01:01 AM
                                                        limits of sortinghobold2009/08/22 07:25 AM
                                                          limits of sortingPotatoswatter2009/08/22 08:45 AM
                                                          limits of sortingDavid Kanter2009/08/22 10:16 AM
                                                            limits of sortingJouni Osmala2009/08/22 12:01 PM
                                                              Oops that was counting sort not bucket sort ;(Jouni Osmala2009/08/22 12:07 PM
                                                                close enough for my purposeshobold2009/08/22 02:15 PM
                                                            select vs. cmovehobold2009/08/22 02:25 PM
                                              How much IPCGian-Carlo Pascutto2009/08/18 03:25 AM
                                                How much IPCVincent Diepeveen2009/08/19 06:46 AM
                                                  How much IPC_Arthur2009/08/19 09:32 AM
                                              How much IPChobold2009/08/18 04:17 AM
                                                How much IPCMichael S2009/08/18 05:33 AM
                                                  How much IPChobold2009/08/18 07:35 AM
                                              How much IPC?2009/08/18 12:20 PM
                                                How much IPC_Arthur2009/08/18 12:33 PM
                                                  Nit pickingDavid Kanter2009/08/18 02:17 PM
                                                    Nit picking_Arthur2009/08/18 02:37 PM
                                                      Nit pickingMichael S2009/08/18 03:02 PM
                                                        Nit pickingS. Rao2009/08/18 05:02 PM
                                                          Nit pickinganon2009/08/19 03:03 AM
                                                    Nit pickingMichael S2009/08/18 02:53 PM
                                                      Nit pickingJasonB2009/08/18 07:16 PM
                                                  How much IPC?2009/08/18 02:37 PM
                                                    How much IPC_Arthur2009/08/18 04:23 PM
                                                      How much IPCMatt Sayler2009/08/18 06:09 PM
                                                      How much IPC?2009/08/18 11:59 PM
                                  nick's testcasea reader2009/08/17 05:47 PM
                                How much IPCTruePath2009/09/27 10:00 AM
                                  Explicit dependency chainsDavid Kanter2009/09/30 07:56 PM
                                How much IPCTruePath2009/09/27 10:00 AM
                              How much IPChobold2009/08/17 06:38 AM
                            How much IPCanon2009/08/16 09:59 PM
                            Speeing Up Single ThreadsTruePath2009/09/27 08:58 AM
                      How much IPCanon2009/08/15 08:01 PM
                        How much IPCEduardoS2009/08/16 07:06 AM
                        How much IPCsJ2009/08/16 09:48 PM
              Power7 vs. single threaded performance and licensinganon2009/08/14 03:26 PM
                Power7 vs. single threaded performance and licensingLinus Torvalds2009/08/14 04:04 PM
              Power7 vs. single threaded performance and licensingJonathan Kang2009/08/21 03:43 PM
                Power7 vs. single threaded performance and licensingLinus Torvalds2009/08/21 04:08 PM
                  Power7 vs. single threaded performance and licensingLinus Torvalds2009/08/21 04:33 PM
                    Power7 vs. single threaded performance and licensingJonathan Kang2009/08/22 08:57 AM
                      Power7 vs. single threaded performance and licensingJukka Larja2009/08/22 11:04 PM
                        Power7 vs. single threaded performance and licensingJonathan Kang2009/08/25 12:33 PM
                  Power7 vs. single threaded performance and licensing?2009/08/22 12:51 AM
                    Power7 vs. single threaded performance and licensinganon2009/08/22 10:56 AM
                      Power7 vs. single threaded performance and licensingLinus Torvalds2009/08/22 11:38 AM
                      Power7 vs. single threaded performance and licensing?2009/08/23 04:05 AM
                        Power7 vs. single threaded performance and licensingEduardoS2009/08/23 04:28 AM
                          Programming Larrabee?2009/08/23 06:48 AM
                            Programming LarrabeeEduardoS2009/08/23 07:41 AM
                              Programming Larrabeeanon2009/08/23 08:29 AM
                            Programming LarrabeePotatoswatter2009/08/23 07:47 AM
                              Programming LarrabeeRichard Cownie2009/08/23 09:11 AM
                                Programming LarrabeePotatoswatter2009/08/24 12:49 AM
                              Programming Larrabee?2009/08/23 09:59 AM
                                Programming LarrabeePotatoswatter2009/08/24 12:44 AM
                                Programming Larrabeehobold2009/08/24 06:41 AM
                                  Programming Larrabeenone2009/08/24 08:15 AM
                                    Programming LarrabeeRichard Cownie2009/08/24 08:33 AM
                                    Programming LarrabeeJukka Larja2009/08/24 10:30 PM
                                      Programming Larrabeenone2009/08/25 02:53 AM
                            Programming Larrabeempx2009/08/25 09:16 AM
                  Power7 vs. single threaded performance and licensingJoe2009/08/24 09:38 AM
            Power7 vs. single threaded performance and licensingGabriele Svelto2009/08/14 04:35 AM
              Power7 vs. single threaded performance and licensinganon2009/08/14 09:18 AM
                Power7 vs. single threaded performance and licensingEduardoS2009/08/14 05:34 PM
                  Power7 vs. single threaded performance and licensinganon2009/08/15 07:30 AM
                    Power7 vs. single threaded performance and licensinganon2009/08/15 08:23 AM
                improving NetburstAM2009/08/15 02:36 AM
                  improving Netburstanon2009/08/15 08:10 AM
                    improving NetburstEuronymous2009/08/15 09:35 AM
                    improving NetburstMichael S2009/08/15 02:18 PM
                Power7 vs. single threaded performance and licensingJonathan Kang2009/08/21 04:10 PM
                  Power7 vs. single threaded performance and licensinganon2009/08/22 10:46 AM
                    Power7 vs. single threaded performance and licensingJonathan Kang2009/08/25 10:39 AM
                      Power7 vs. single threaded performance and licensingslacker2009/08/26 05:50 AM
                        Power7 vs. single threaded performance and licensingJonathan Kang2009/08/26 09:12 AM
                        Power7 vs. single threaded performance and licensingJonathan Kang2009/08/26 09:45 AM
                          Power7 vs. single threaded performance and licensingsomeone2009/08/26 11:29 AM
                            Power7 vs. single threaded performance and licensingDavid Kanter2009/08/26 11:47 AM
          Not necessarilyDaniel Bizó2009/08/14 03:53 AM
        new POWER7 info ..Thu Nguyen2009/08/25 04:05 AM
          new POWER7 info ..someone2009/08/25 06:47 AM
            new POWER7 info ..hobold2009/08/25 07:50 AM
              new POWER7 info ..G Webb2009/08/26 12:49 AM
            new POWER7 info ..mpx2009/08/25 08:36 AM
              new POWER7 info ..someone2009/08/25 09:16 AM
                new POWER7 info ..Jesper Frimann2009/08/27 09:18 AM
                  new POWER7 info ..Linus Torvalds2009/08/27 11:53 AM
                  new POWER7 info ..someone2009/08/27 01:00 PM
                    new POWER7 info ..a reader2009/08/27 04:21 PM
                      new POWER7 info ..David Kanter2009/08/27 09:32 PM
                        new POWER7 info ..a reader2009/08/28 08:45 AM
                    new POWER7 info ..hobold2009/08/28 05:00 AM
                      new POWER7 info ..someone2009/08/28 06:51 AM
                        new POWER7 info ..hobold2009/08/28 07:44 AM
                          new POWER7 info ..someone2009/08/28 08:10 AM
                        Non Autopar submissions for NehalemIlleglWpns2009/08/28 10:41 AM
                          Non Autopar submissions for NehalemDavid Kanter2009/08/28 11:07 AM
                          Non Autopar submissions for Nehalemsomeone2009/08/28 12:00 PM
          new POWER7 info ..mas2009/08/26 12:25 AM
            An EV8 lite? (NT)anon2009/08/26 09:21 AM
              An EV8 lite? => Piranha?M.2009/08/30 04:54 AM
            new POWER7 info ..Mark Roulo2009/08/27 06:51 AM
              new POWER7 info ..someone2009/08/27 07:03 AM
                new POWER7 info ..a reader2009/08/27 09:55 AM
                  new POWER7 info ..someone2009/08/27 11:58 AM
                    new POWER7 info ..a reader2009/08/27 04:11 PM
                      new POWER7 info ..Gabriele Svelto2009/08/28 12:17 AM
                      new POWER7 info ..someone2009/08/28 05:27 AM
                        new POWER7 info ..a reader2009/08/28 09:07 AM
                        OOOE for low powerDavid Kanter2009/08/28 11:15 AM
                          OOOE for low powersomeone2009/08/28 11:39 AM
                            OOOE for low powerDavid Kanter2009/08/28 01:55 PM
                              OOOE for low powerMark Roulo2009/08/28 03:16 PM
                                OOOE for low powerMark Roulo2009/08/28 03:44 PM
                                  Atom uarchDavid Kanter2009/08/28 08:19 PM
                                OOOE for low powerDavid Kanter2009/08/28 08:07 PM
                              OOOE for low powersomeone2009/08/28 04:18 PM
                                OOOE for low powerDavid Kanter2009/08/29 01:55 AM
                                  OOOE for low powersomeone2009/08/29 07:21 AM
                                    OOOE for low powera reader2009/08/29 09:14 AM
                                      OOOE for low powersomeone2009/08/29 09:56 AM
                                        OOOE for low powerDavid Kanter2009/08/29 10:08 AM
                                      OOOE for low powerMichael S2009/08/29 11:27 AM
                                        OOOE for low powera reader2009/08/29 04:50 PM
                                        OOOE for low poweranonymous2009/08/29 07:17 PM
                                          OOOE for low powerMichael S2009/08/30 12:07 AM
                                            OOOE for low powerJonathan Kang2009/09/01 05:44 AM
                                              OOOE for low powerMichael S2009/09/01 04:21 PM
                                                OOOE for low powerMark Roulo2009/09/01 05:53 PM
                                                  OOOE for low powerWilco2009/09/02 02:27 AM
                                                    OOOE for low powerMark Roulo2009/09/02 08:46 AM
                                                      OOOE for low powerWilco2009/09/02 04:52 PM
                                                    Define "emulate" (NT)Michael S2009/09/02 11:44 PM
                                                      Define "emulate"Wilco2009/09/03 12:33 AM
                                                        Define "emulate"none2009/09/03 04:46 AM
                                                          Define "emulate"Adrian2009/09/03 10:45 AM
                                                          Define "emulate"Wilco2009/09/03 02:20 PM
                                                            Define "emulate"none2009/09/03 10:41 PM
                                                              Define "emulate"Wilco2009/09/04 03:30 AM
                                                  low power ARM chipsMichael S2009/10/31 02:32 PM
                                                    low power ARM chipsGabriele Svelto2009/10/31 04:05 PM
                                                      low power ARM chipsMichael S2009/10/31 04:45 PM
                                                        low power ARM chipst2009/10/31 05:21 PM
                                    OOOE for low powerDavid Kanter2009/08/29 10:07 AM
                                      OOOE for low powersomeone2009/08/29 12:40 PM
                                        OOOE for low powera reader2009/08/29 05:03 PM
                                        OOOE for low poweranonymous2009/08/29 07:13 PM
                                          OOOE for low powersomeone2009/08/30 07:35 AM
                                            OOOE for low powerDavid Kanter2009/08/30 02:32 PM
                                            OOOE for low powerMatt Sayler2009/08/31 01:38 PM
                                        OOOE for low powerDavid Kanter2009/08/30 12:07 PM
                                    OOOE for low powerMichael S2009/08/29 11:44 AM
                                  TTMMichael S2009/08/29 12:24 PM
                                    TTMFoo_2009/08/29 01:40 PM
                                      TTMMichael S2009/08/29 02:10 PM
                                        TTManon2009/08/29 07:33 PM
                                          TTMJukka Larja2009/08/29 09:49 PM
                                            TTManon2009/08/30 06:07 AM
                                              TTMJukka Larja2009/08/30 09:31 PM
                                                Area, power and AtomDavid Kanter2009/08/30 10:36 PM
                                                  Area, power and AtomMichael S2009/08/31 12:18 AM
                                                    Area, power and Atoma reader2009/08/31 08:44 AM
                                                      Area, power and AtomMichael S2009/08/31 12:19 PM
                                                        Area, power and Atoma reader2009/08/31 02:53 PM
                                                          Area, power and Atomanonymous2009/08/31 04:17 PM
                                                        Area, power and AtomGabriele Svelto2009/08/31 03:41 PM
                                                          64-bit disabled AtomsFoo_2009/09/02 04:38 AM
                                                            64-bit disabled AtomsRobert David Graham2009/09/02 12:56 PM
                                                              64-bit disabled Atomsanon2009/09/02 02:14 PM
                                                              64-bit disabled Atomsanonymous2009/09/02 04:30 PM
                                                TTMMichael S2009/08/30 11:49 PM
                                                  TTMJukka Larja2009/08/31 11:23 PM
                                            TTMPaul2009/08/30 06:38 AM
                                            TTMPaul2009/08/30 06:40 AM
                                        TTMMark Roulo2009/08/30 09:50 AM
                                          TTMPaul2009/08/30 09:54 AM
                                            TTMMark Roulo2009/08/30 10:16 AM
                                        TTMFoo_2009/09/02 04:31 AM
                                  OOOE for low powerRob Thorpe2009/08/30 09:19 AM
                                OOOE for low powerMichael S2009/08/29 11:16 AM
                                  OOOE for low powerJukka Larja2009/08/29 09:40 PM
                                    OOOE for low powerMichael S2009/08/30 12:04 AM
                          OOOE and cache/mem sizesRichard Cownie2009/08/28 05:30 PM
                            OOOE and cache/mem sizesLinus Torvalds2009/08/31 10:53 PM
                              OOOE and cache/mem sizesRichard Cownie2009/09/01 04:15 AM
                                OOOE and pipe length etc.AM2009/09/01 08:35 AM
                                  OOOE and pipe length etc.Jouni Osmala2009/09/01 08:57 AM
                                    OOOE and clock rateAM2009/09/02 01:34 AM
                                      OOOE and clock rateJouni Osmala2009/09/02 05:35 AM
                                        OOOE and clock rateMartin Høyer Kristiansen2009/09/02 06:19 AM
                                          OOOE and clock rateanon2009/09/02 09:43 PM
                                        OOOE and clock rateAM2009/09/03 02:52 AM
                                          OOOE and clock rateJouni Osmala2009/09/03 07:34 AM
                                            OOOE impactsAM2009/09/04 02:04 AM
                                              OOOE impactsDavid Kanter2009/09/04 10:12 AM
                                              OOOE impactsJouni Osmala2009/09/06 12:16 PM
                                                OOOE impactsAM2009/09/07 03:47 AM
                                                  OOOE impactsMartin Høyer Kristiansen2009/09/07 06:03 AM
                                                    Does IBM lie about PPC603 being OoO chip?AM2009/09/08 03:13 AM
                                                      No, but...Michael S2009/09/08 07:05 AM
                                                        No, but...hobold2009/09/09 05:09 AM
                                                  OOOE impactsJS2009/09/07 06:34 AM
                                                    Are Sandpile and others wrong about 0.28 um?AM2009/09/08 03:12 AM
                                                    OOOE impactssomeone2009/09/08 06:43 AM
                                                  OOOE impactsJouni Osmala2009/09/07 07:48 AM
                                                    OOOE costsDavid Kanter2009/09/07 12:07 PM
                                                    OOOE impactsAM2009/09/08 03:11 AM
                                                      OOOE impactsJouni Osmala2009/09/10 01:53 AM
                                                        OOOE impactsAM2009/09/11 04:35 AM
                                                          OOOE impactsJouni Osmala2009/09/11 08:38 AM
                                                            OOOE impactsAM2009/09/12 05:06 AM
                                                              OOOE impactsJouni Osmala2009/09/12 11:36 PM
                                                                OOOE impactsAM2009/09/14 04:39 AM
                                                                  OOOE impactsJouni Osmala2009/09/14 06:18 AM
                                                                    if-ex distanceAM2009/09/15 05:16 AM
                                                                    small addendumAM2009/09/19 03:54 AM
                                                                      small addendumJouni Osmala2009/09/19 09:51 PM
                                                                        small addendumAM2009/09/20 06:54 AM
                                                                          small addendumJouni Osmala2009/09/20 01:16 PM
                                                                            small addendumThiago Kurovski2009/09/20 04:51 PM
                                                                              small addendumJouni Osmala2009/09/20 09:21 PM
                                                                                small addendumThiago Kurovski2009/09/21 06:59 AM
                                                                            small addendumAM2009/09/21 03:14 AM
                                                                              small addendumJukka Larja2009/09/21 10:21 PM
                                                                                small addendumAM2009/09/22 03:01 AM
                                                                                  small addendumJukka Larja2009/09/22 11:31 PM
                                                                                    small addendumAM2009/09/23 08:35 AM
                                                                                      small addendumJukka Larja2009/09/23 10:31 PM
                                                                                        small addendumAM2009/09/24 12:13 AM
                                                                                          OT metadiscussionJukka Larja2009/09/24 09:39 PM
                                                                                            OT metadiscussionAM2009/09/25 05:18 AM
                                                                                              Back to bitsMichael S2009/09/25 07:14 AM
                                                                                                Back to bitsThiago Kurovski2009/09/25 11:24 AM
                                                                                                  Back to bitsWilco2009/09/25 03:18 PM
                                                                                                    Back to bitsThiago Kurovski2009/09/26 09:12 AM
                                                                                                  Back to bitsMichael S2009/09/26 08:54 AM
                                                                                                    Back to bitsThiago Kurovski2009/09/26 09:05 AM
                                                                                                      Back to bitsMichael S2009/09/26 09:16 AM
                                                                                                Agree, with very minor change.Jouni Osmala2009/09/25 09:37 PM
                                                                                                Back to bitsAM2009/09/26 06:16 AM
                                                                                                  Back to bitsMichael S2009/09/26 09:13 AM
                                                                                              OT metadiscussionDavid Kanter2009/09/25 12:23 PM
                                                                                                OT metadiscussionAM2009/09/26 05:55 AM
                                                                                              OT metadiscussionJukka Larja2009/09/25 11:33 PM
                                                                                                OT metadiscussionAM2009/09/26 05:50 AM
                                                                                                  OT metadiscussionJukka Larja2009/09/27 02:16 AM
                                                                                                    OT metadiscussionMichael S2009/09/27 04:58 AM
                                                                                                      OT metadiscussionAM2009/09/28 04:07 AM
                                                                                                    OT metadiscussionAM2009/09/28 03:43 AM
                                                                                                      OT metadiscussionJukka Larja2009/09/29 12:45 AM
                                                                                                        OT metadiscussionAM2009/09/30 03:13 AM
                                                                                                          OT metadiscussionJukka Larja2009/10/01 01:34 AM
                                                                                                            OT metadiscussionAM2009/10/01 04:05 AM
                                                                                                              OT metadiscussionJukka Larja2009/10/02 12:38 AM
                                                                                                                OT metadiscussionAM2009/10/03 07:19 AM
                                                                                                                  OT metadiscussionJukka Larja2009/10/04 03:38 AM
                                                                                                                    OT metadiscussionAM2009/10/04 08:27 AM
                                                                                                                      OT metadiscussionJukka Larja2009/10/04 11:48 PM
                                                                                                                        OT metadiscussionAM2009/10/05 07:13 AM
                                                                                                                          About teachingJukka Larja2009/10/05 11:36 PM
                                                                                                                            About teachingAM2009/10/06 04:37 AM
                                                                                                                              About teachingJukka Larja2009/10/07 03:15 AM
                                                                                                                                About teachinganon2009/10/07 12:39 PM
                                                                                                                                About teachingAM2009/10/08 03:11 AM
                                                                                                                                  About teachingJukka Larja2009/10/09 04:10 AM
                                                                                                                                    About teachingAM2009/10/09 05:40 AM
                                                                                                                                      About teachingJukka Larja2009/10/09 09:02 PM
                                                                                                                                        About teachingAM2009/10/09 11:24 PM
                                                                                                                                          About teachingJukka Larja2009/10/10 10:50 PM
                                                                                                                                            About teachingAM2009/10/12 02:02 AM
                                                                                                                                              About teachingJukka Larja2009/10/12 10:51 PM
                                                                                                                                                About teachingAM2009/10/13 04:06 AM
                                                                                                                                                  About teachingJukka Larja2009/10/13 11:33 PM
                                                                                                                                                    About teachingAM2009/10/14 03:36 AM
                                                                                                                                                      About teachingJukka Larja2009/10/14 08:19 PM
                                                                                                                                                        About teachingAM2009/10/15 04:22 AM
                                                                                                                                          About teachingSalvatore De Dominicis2009/10/12 02:23 AM
                                                                                                                                            About teachingDean Kent2009/10/12 12:25 PM
                                                                                                                                              About teachingSalvatore De Dominicis2009/10/13 02:11 AM
                                                                                                OT metadiscussionSeni2009/09/26 06:26 AM
                                                                                                  OT metadiscussionWilco2009/09/26 08:08 AM
                                                                                                  OT metadiscussionJukka Larja2009/09/27 02:18 AM
                                                                                                    OT metadiscussionMichael S2009/09/27 05:12 AM
                                                                                          small addendumJouni Osmala2009/09/24 10:04 PM
                                                                                            small addendumAM2009/09/25 05:04 AM
                                                                                            extra stage in EV6AM2009/09/26 06:29 AM
                                                    PPC603 does OoOEhobold2009/09/08 05:40 AM
                                                  OOOE impactssomeone2009/09/08 05:39 AM
                                                    EV6AM2009/09/09 04:33 AM
                                      OOOE and clock rateSeni2009/09/02 09:11 AM
                                        OOOE and clock rateLinus Torvalds2009/09/02 06:48 PM
                                          OOOE and clock rateanon2009/09/02 11:55 PM
                                            OOOE and clock rateWilco2009/09/03 12:44 AM
                                              OOOE and clock rateJouni Osmala2009/09/03 01:02 AM
                                                OOOE and ItaniumAM2009/09/03 01:27 AM
                                                OOOE and clock rateMartin Høyer Kristiansen2009/09/03 03:41 AM
                                              OOOE and clock rateanon2009/09/03 01:12 AM
                                                OOOE and clock rateWilco2009/09/03 02:10 AM
                                            POWER6 skewed pipelinePaul A. Clayton2009/09/03 11:22 AM
                                              POWER6 skewed pipelineAnon42009/09/03 07:00 PM
                                          OOOE and clock rateMr. Camel2009/09/03 03:40 AM
                                          OOOE and clock rateRichard Cownie2009/09/03 06:42 AM
                                  OOOE and pipe length etc.Richard Cownie2009/09/01 09:01 AM
                                    OOOE and pipe length etc.AM2009/09/02 01:32 AM
                                      OOOE and pipe length etc.Richard Cownie2009/09/02 07:49 AM
                                        LRB choice of P54AM2009/09/03 01:40 AM
                                          LRB choice of P54Gian-Carlo Pascutto2009/09/03 01:45 AM
                                            LRB choice of P54AM2009/09/03 03:18 AM
                                              LRB choice of P54Gian-Carlo Pascutto2009/09/03 03:55 AM
                                                LRB choice of P54AM2009/09/03 04:28 AM
                                                  LRB choice of P54Gian-Carlo Pascutto2009/09/03 05:29 AM
                                                    Amount of cache per core matters,and mem bandwith too (NT)Jouni Osmala2009/09/03 07:44 AM
                                                    LRB choice of P54rwessel2009/09/03 02:31 PM
                                                    LRB choice of P54AM2009/09/04 02:24 AM
                                                  LRB choice of P54anon2009/09/03 06:40 AM
                                                    LRB choice of P54a reader2009/09/03 09:20 AM
                                                      LRB choice of P54anon2009/09/03 05:57 PM
                                                    LRB choice of P54Jonathan Kang2009/09/03 02:30 PM
                                                      LRB choice of P54David Kanter2009/09/03 04:38 PM
                                                        LRB choice of P54Jonathan Kang2009/09/04 08:16 AM
                                                      LRB choice of P54anon2009/09/03 06:07 PM
                                                        LRB choice of P54AM2009/09/04 02:20 AM
                                                        LRB choice of P54Jonathan Kang2009/09/04 08:13 AM
                                                          LRB choice of P54Dan Downs2009/09/04 08:38 AM
                                                            LRB choice of P54Dan Downs2009/09/05 04:36 AM
                                                              LRB choice of P54Anon2009/09/05 02:44 PM
                                                          LRB choice of P54AM2009/09/05 12:12 AM
                                                    LRB choice of P54AM2009/09/04 02:18 AM
                                                      LRB choice of P54anon2009/09/04 08:18 PM
                                                        LRB choice of P54AM2009/09/04 11:53 PM
                                                          LRB choice of P54anon2009/09/05 04:06 AM
                                                            LRB choice of P54AM2009/09/05 09:14 AM
                                                  LRB choice of P54 - Layout?Anonymous2009/09/03 02:40 PM
                                                    LRB choice of P54 - Layout?anonymous2009/09/03 03:54 PM
                                                  LRB choice of P54Jukka Larja2009/09/03 09:58 PM
                                                  LRB choice of P54mpx2009/09/04 04:07 AM
                                          LRB choice of P54anon2009/09/03 02:02 AM
                                        OOOE and pipe length etc.Gian-Carlo Pascutto2009/09/03 01:40 AM
                                      Larrabee: Pentium vs 486 vs 386Mark Roulo2009/09/03 04:26 PM
                                        Larrabee: Pentium vs 486 vs 386Michael S2009/09/03 05:14 PM
                                          Larrabee: Pentium vs 486 vs 386Mark Roulo2009/09/04 10:05 AM
                                            Larrabee: Pentium vs 486 vs 386Jonathan Kang2009/09/04 10:59 AM
                                            Larrabee: Pentium vs 486 vs 386Michael S2009/09/05 09:58 AM
                                            Larrabee: Pentium vs 486 vs 386James2009/09/07 03:15 AM
                                              Larrabee: Pentium vs 486 vs 386Mark Roulo2009/09/07 07:44 PM
                                      OOOE and pipe length etc.Michael S2009/09/03 05:42 PM
                                        LRB coreAM2009/09/04 02:09 AM
                                          LRB coreMichael S2009/09/04 05:07 AM
                                            LRB coreanon2009/09/04 08:27 PM
                                              LRB coreMichael S2009/09/05 10:12 AM
                                                LRB coreanon2009/09/05 11:03 PM
                                                  reasons for split I/D L1 cachesMichael S2009/09/06 04:10 AM
                                                    reasons for split I/D L1 cachesanon2009/09/06 06:32 AM
                                                      reasons for split I/D L1 caches?2009/09/06 10:35 AM
                                                        reasons for split I/D L1 cachesmegol2009/09/06 03:39 PM
                                                          reasons for split I/D L1 caches?2009/09/07 04:20 AM
                                                            reasons for split I/D L1 cachesanon2009/09/07 06:25 AM
                                                              cache hinting?2009/09/07 07:10 AM
                                                                cache hintinganon2009/09/07 07:35 AM
                                                                  cache hinting?2009/09/07 09:10 AM
                                                                    cache hintinganon2009/09/07 09:49 AM
                                                                      cache hinting?2009/09/07 10:37 AM
                                              Split and unified cachesDavid Kanter2009/09/06 01:38 PM
                                                Split and unified cachesanon2009/09/06 11:15 PM
                                                  Split and unified cachesMichael S2009/09/07 12:40 AM
                                                    Split and unified cachesanon2009/09/07 02:24 AM
                                                  Split and unified cachesDavid Kanter2009/09/07 12:51 AM
                                                    Split and unified cachesanon2009/09/07 02:13 AM
                                            LRB coreAM2009/09/05 12:08 AM
                                            LRB coreLinus Torvalds2009/09/05 10:47 AM
                                          LRB coreDavid Kanter2009/09/04 01:23 PM
                                            LRB coreAnon2009/09/04 06:32 PM
                                              LRB coreDavid Kanter2009/09/04 10:15 PM
                                              LRB coreMichael S2009/09/05 10:21 AM
                              OOOE and cache/mem sizesa reader2009/09/01 09:19 AM
                                OOOE and cache/mem sizesRichard Cownie2009/09/01 09:43 AM
                      snapdraon?Michael S2009/08/28 06:10 AM
                        snapdraon?a reader2009/08/28 08:51 AM
                          Thanks (NT)Michael S2009/08/29 12:53 PM
                        snapdraon?Paul2009/08/28 01:12 PM
              new POWER7 info ..EduardoS2009/08/27 03:41 PM
                new POWER7 info ..Jesper Frimann2009/08/28 05:03 AM
                  Single threaded performanceDavid Kanter2009/08/28 10:52 AM
  Hot Chips XXI Preview onlinehobold2009/08/13 07:30 AM
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How do you spell purple?