Bulldozer's Oddities.

By: EduardoS (no.delete@this.spam.com), April 22, 2012 5:05 pm
Room: Moderated Discussions
anon (anon@anon.com) on 4/22/12 wrote:
---------------------------
>The same what? It has 2x larger caches and 2x more ways, at the same latency.

Ok, see, what a big effort to not understand you are dong, eh?

You question about Power7, I answear about Power7 and make a rhetorical question (as an attempt to make you use your brain) comparing Power7 (implicit by the context, it was the target of the previous question) and you compare it to Bulldozer? What's so difficult about text interpretation?

>No, my point is that it sucks because it has a very small (and not very fast) L1
>cache, and a very slow L2 cache. Stop putting words into my mouth.

Actually, your point is that it is different from others...

Frankly, "small L1 and slow L2" isn't a good argument, it is incomplete, it doesn't explain why the processor would be slower than other, it doesn't include other important metrics and units and the only argument left as to why you think it is bad is because it is differnt from others, Greyhound had a big L1 and fast L2 and wasn't a spectacular CPU, in special, on benchmarks heavly dependent on mermory subsystem performance (I still have to use full name to you understand?) Greyhound was far away other CPUs, there are other metrics other than L1 size and L2 speed, there are even other units, you can't judge this subsystem performance based only on those two metrics!

>POWER7, 8 cycle load-to-use L2 cache.
>SB, 12 cycle load to use L2 cache.

At 256kB, much simpler pipeline and memory ordering rules for Power7 and lower clockspeed for SB, since you will miss-understand the "clockspeed" let's say the SB have a higher stage delay.

>>Of course, with only one thread Power7 and SB will have more cache avaliable but
>>hardly the priority were single-threaded performance, they
>
>Yes, but that does not mean it is a good core because you can ignore the fact that single thread performance sucks.

Look at your response, the processor you are talking about appeared in the sentence you are replying to? Your method of implicit refering to a randomly choosen object won't help you when talking to others, if you use the same method to read others comments you will likely miss-understand the entire statement.

>Your reply is full of rhetorical questions, putting words in my mouth, calling
>me a moron, and strawman arguments. It's amazing.

I call you a moron because you look like a moron, apparently you make efforts to not understand what you read, don't want to be called a moron? So focus your efforts on understanding what you are reading, if you choose random objects to fill references in others comments you will look as a moron, and be called such.
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TopicPosted ByDate
Phoronix tests GCC compiler flags and Bulldozer.I.S.T.2012/04/19 03:05 AM
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    Single page view?slothrop2012/04/19 09:23 AM
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        Single page view?EduardoS2012/04/19 03:12 PM
    Is there a single page view option for RWT articles?anon2012/04/19 09:27 AM
    Single page view?Del2012/04/19 09:36 AM
      Single page view?slacker2012/04/19 03:56 PM
        Single page view?Del2012/04/22 06:09 AM
          Single page view?David Kanter2012/04/22 09:38 AM
            Single page view?Del2012/04/23 01:22 AM
    Single page view?Michael S2012/04/19 01:30 PM
      Single page view?Ungo2012/04/19 02:25 PM
        Single page view?Foo_2012/04/20 12:17 AM
          Single page view?James2012/04/20 04:01 AM
            There are ads on the web?JJB2012/04/20 04:32 AM
              What a bunch of freeloaders (NT)slacker2012/04/20 01:44 PM
                So are you, probablyiz2012/04/21 04:41 AM
                  Impression ad revenuePaul A. Clayton2012/04/21 06:44 AM
                  So are you, probablyslacker2012/04/21 01:09 PM
                    So are you, probablyDavid Kanter2012/04/22 09:41 AM
                      So are you, probablyiz2012/04/22 03:57 PM
                    So are you, probablyDoug Siebert2012/04/22 12:37 PM
                      Aha!David Kanter2012/04/22 03:45 PM
                        Aha!bakaneko2012/04/22 08:49 PM
                    So are you, probablyiz2012/04/22 03:48 PM
                      That's not how the business works...David Kanter2012/04/22 05:31 PM
                        That's not how the business works...iz2012/04/23 01:49 AM
                      So are you, probablyslacker2012/04/22 11:31 PM
                        back to phoronixMichael S2012/04/23 02:07 AM
                        So are you, probablyiz2012/04/23 03:29 AM
                          Membership at RWTDavid Kanter2012/04/23 11:24 AM
                          So are you, probablyJukka Larja2012/04/27 08:59 AM
  So, what do people think of these numbers>I.S.T.2012/04/19 07:34 PM
    So, what do people think of these numbers>Linus Torvalds2012/04/20 08:34 AM
      So, what do people think of these numbers>Kira2012/04/20 09:18 AM
        So, what do people think of these numbers>Linus Torvalds2012/04/20 10:05 AM
      So, what do people think of these numbers>Doug Siebert2012/04/20 09:00 PM
      So, what do people think of these numbers>Megol2012/04/21 09:05 AM
        So, what do people think of these numbers>Linus Torvalds2012/04/21 01:11 PM
          Most problems are fixed...Megol2012/04/24 07:00 AM
    So, what do people think of these numbers>bakaneko2012/04/20 11:16 AM
      So, what do people think of these numbers>bakaneko2012/04/20 11:37 AM
        So, what do people think of these numbers>Linus Torvalds2012/04/20 01:24 PM
          So, what do people think of these numbers>Joel2012/04/20 02:59 PM
            So, what do people think of these numbers>Kira2012/04/20 03:32 PM
              So, what do people think of these numbers>EduardoS2012/04/20 04:00 PM
                Bulldozer's Oddities.Joel2012/04/20 04:54 PM
                  In defense of Bulldozer's OdditiesDavid Kanter2012/04/20 05:32 PM
                    In defense of Bulldozer's OdditiesExophase2012/04/20 07:11 PM
                      In defense of Bulldozer's OdditiesEduardoS2012/04/20 07:46 PM
                        In defense of Bulldozer's OdditiesExophase2012/04/20 08:18 PM
                          In defense of Bulldozer's Odditiesanonymous2012/04/20 11:26 PM
                            In defense of Bulldozer's OdditiesJJB2012/04/20 11:34 PM
                              In defense of Bulldozer's Odditiesimaxx2012/04/21 07:21 AM
                                In defense of Bulldozer's OdditiesMichael S2012/04/21 10:42 AM
                                  Bulldozer's integer execution unitsDavid Kanter2012/04/25 04:29 PM
                                    Bulldozer's integer execution unitsExophase2012/04/26 12:17 PM
                                      Bulldozer's integer execution unitsanonymous2012/04/26 03:15 PM
                                        Bulldozer's integer execution unitsEduardoS2012/04/26 03:40 PM
                                          Bulldozer's integer execution unitsFoo_2012/04/27 08:21 AM
                                            Bulldozer's integer execution unitsMegol2012/04/27 01:38 PM
                                      Bulldozer's integer execution unitsEduardoS2012/04/26 03:47 PM
                                        Bulldozer's integer execution unitsExophase2012/04/26 05:02 PM
                                          Bulldozer's integer execution unitsEduardoS2012/04/26 06:03 PM
                                            Bulldozer's integer execution unitsExophase2012/04/26 06:24 PM
                                              Bulldozer's integer execution unitsEduardoS2012/04/26 07:18 PM
                                                Bulldozer's cache memory performanceHeikki Kultala2012/04/28 01:18 AM
                                                  Bulldozer's cache memory performanceEduardoS2012/04/28 10:06 AM
                                      Bulldozer's integer execution unitsDavid Kanter2012/04/26 04:03 PM
                                        Bulldozer's integer execution unitsExophase2012/04/26 04:59 PM
                                          Bulldozer's integer execution unitsDavid Kanter2012/04/26 10:53 PM
                                            Bulldozer's integer execution unitsExophase2012/04/27 08:42 AM
                                              Bulldozer's integer execution unitsDavid Kanter2012/04/27 11:06 AM
                                                Bulldozer's integer execution unitsEduardoS2012/04/27 01:27 PM
                                                K8 divided pipelines?Paul A. Clayton2012/04/27 01:59 PM
                                          Bulldozer's integer execution unitsMichael S2012/04/27 04:37 AM
                                            Bulldozer's integer execution unitsExophase2012/04/27 08:33 AM
                                            Bulldozer's integer execution unitsanonymous2012/04/27 09:03 AM
                                    Renaming FlagsKonrad Schwarz2012/04/27 03:04 AM
                                      Renaming Flagsnone2012/04/27 04:03 AM
                                        Renaming FlagsMegol2012/04/27 12:42 PM
                                    Bulldozer's integer execution unitshcl642012/04/27 04:31 PM
                                      VEX supports 3+ operands. FPU have renaming already(NT)Megol2012/04/28 08:20 AM
                              In defense of Bulldozer's OdditiesLinus Torvalds2012/04/21 12:26 PM
                                Thanks for the lessonJJB2012/04/21 02:23 PM
                                  Side note..Linus Torvalds2012/04/21 02:57 PM
                            In defense of Bulldozer's OdditiesExophase2012/04/21 12:13 PM
                            In defense of Bulldozer's OdditiesEduardoS2012/04/21 12:53 PM
                    In defense of Bulldozer's OdditiesGionatan Danti2012/04/21 12:42 PM
                    In defense of Bulldozer's Odditieshcl642012/04/27 05:07 PM
                      In defense of Bulldozer's OdditiesDavid Kanter2012/04/28 06:29 AM
                        In defense of Bulldozer's Odditieshcl642012/04/28 02:44 PM
                          In defense of Bulldozer's OdditiesDavid Kanter2012/04/28 09:42 PM
                            In defense of Bulldozer's Odditieshcl642012/04/28 10:39 PM
                  Bulldozer's Oddities.EduardoS2012/04/20 06:05 PM
                    Bulldozer's Oddities.anon2012/04/20 08:32 PM
                      Bulldozer's Oddities.EduardoS2012/04/21 12:37 PM
                        Bulldozer's Oddities.anon2012/04/21 10:16 PM
                          Bulldozer's Oddities.EduardoS2012/04/21 10:43 PM
                            Bulldozer's Oddities.anon2012/04/22 02:09 AM
                              Bulldozer's Oddities.EduardoS2012/04/22 01:57 PM
                                Bulldozer's Oddities.anon2012/04/22 04:17 PM
                                  Bulldozer's Oddities.EduardoS2012/04/22 05:05 PM
                                    Bulldozer's Oddities.anon2012/04/22 05:42 PM
                                      Bulldozer's Oddities.anon2012/04/22 06:01 PM
                                      Bulldozer's Oddities.EduardoS2012/04/22 10:28 PM
                                        Bulldozer's Oddities.anon2012/04/22 11:05 PM
                  Bulldozer's isn't bad.a reader2012/04/21 10:01 AM
                    Bulldozer's isn't bad.Kira2012/04/21 11:29 AM
                      Bulldozer's isn't bad.hcl642012/04/27 05:58 PM
                        Bulldozer's isn't bad.anon2012/04/27 06:16 PM
                          Bulldozer's isn't bad.hcl642012/04/27 07:33 PM
                            Bulldozer's isn't bad.rwessel2012/04/27 11:12 PM
                        Bulldozer's isn't bad.EduardoS2012/04/28 09:29 AM
                          Bulldozer's isn't bad.EduardoS2012/04/28 09:30 AM
                          Bulldozer's isn't bad.Michael S2012/04/28 12:36 PM
                    Bulldozer is made for SPEC fpPelle-482012/04/21 11:41 AM
                  Bulldozer's Oddities.mpx2012/04/22 03:47 AM
                    Bulldozer's Oddities.EduardoS2012/04/22 01:57 PM
                      Bulldozer's Oddities.mpx2012/04/23 07:04 AM
                        Bulldozer's Oddities.Eric2012/04/23 12:33 PM
                          Bulldozer's Oddities.EduardoS2012/04/23 02:22 PM
                            Bulldozer's Oddities.Eric2012/04/23 07:30 PM
                              Bulldozer's Oddities.hcl642012/04/27 06:16 PM
                            Bulldozer's Oddities.Y2012/04/25 04:34 AM
                              Bulldozer's IDIVHeikki Kultala2012/04/27 10:56 PM
                                Bulldozer's IDIVY2012/04/30 01:51 AM
                                  Bulldozer's IDIVEduardoS2012/04/30 05:39 AM
                                    Bulldozer's IDIVP3Dnow2012/05/08 01:23 AM
                                      Bulldozer's IDIVExophase2012/05/08 07:37 AM
                        Bulldozer's Oddities.EduardoS2012/04/23 02:15 PM
              Clustered MT as SMT for high frequencyPaul A. Clayton2012/04/20 04:10 PM
                Clustered MT as SMT for high frequencyhcl642012/04/28 12:56 AM
                  Clustered MT as SMT for high frequencyanonymous2012/04/28 01:43 AM
                    Clustered MT as SMT for high frequencyhcl642012/04/28 02:59 PM
                      Clustered MT as SMT for high frequencyanonymous2012/04/28 08:45 PM
                  Clustered MT as SMT for high frequencyanon2012/04/28 02:13 AM
                    Clustered MT as SMT for high frequencyhcl642012/04/28 03:23 PM
                      Clustered MT as SMT for high frequencyanon2012/04/28 06:19 PM
                        Clustered MT as SMT for high frequencyhcl642012/04/28 07:58 PM
                  Clustered MT as SMT for high frequencyDavid Kanter2012/04/28 06:38 AM
                    Guessed meaning of "strong dependency model"Paul A. Clayton2012/04/28 07:24 AM
                      Guessed meaning of "strong dependency model"EduardoS2012/04/28 09:46 AM
                        *Right meaning* about "strong dependency model"hcl642012/04/28 04:59 PM
                    Clustered MT as SMT for high frequencyhcl642012/04/28 04:24 PM
                      Clustered MT as SMT for high frequencyanonymous2012/04/28 08:50 PM
                        Clustered MT as SMT for high frequencyhcl642012/04/28 09:47 PM
                          SNB widthDavid Kanter2012/04/28 09:48 PM
                            SNB widthhcl642012/04/29 02:24 AM
                      Clustered MT as SMT for high frequencyDavid Kanter2012/04/28 09:56 PM
                        Clustered MT as SMT for high frequencyhcl642012/04/28 11:44 PM
                          SOI, FD vs. PDDavid Kanter2012/04/29 07:19 AM
                            SOI, FD vs. PDhcl642012/04/29 05:31 PM
                              SOI, FD vs. PDDavid Kanter2012/04/29 11:26 PM
                                SOI, FD vs. PDhcl642012/04/30 08:08 AM
                                  SOI, FD vs. PDDavid Kanter2012/04/30 09:59 AM
                                    SOI, FD vs. PDhcl642012/04/30 06:10 PM
                                      SOI, FD vs. PDDavid Kanter2012/04/30 06:32 PM
                                        SOI, FD vs. PDhcl642012/04/30 10:47 PM
                                          SOI, FD vs. PDDavid Kanter2012/05/01 02:24 AM
                                            SOI, FD vs. PDhcl642012/05/01 05:46 AM
                                            SOI, FD vs. PDhcl642012/05/01 06:37 AM
                                              SOI, FD vs. PDDavid Kanter2012/05/01 08:19 AM
                                          SOI, FD vs. PDhcl642012/05/01 07:39 AM
                                            PD-SOIDavid Kanter2012/05/02 12:22 PM
                                    SOI, FD vs. PDslacker2012/04/30 08:10 PM
                                      SOI, FD vs. PDDavid Kanter2012/04/30 10:16 PM
                                        SOI, FD vs. PDslacker2012/05/01 10:04 PM
                                          SOI, FD vs. PDDavid Kanter2012/05/02 08:19 AM
                                            SOI, FD vs. PDzou2012/05/02 12:23 PM
                  Previous discussion of clustered MTPaul A. Clayton2012/04/28 07:00 AM
                    Previous discussion of clustered MThcl642012/04/28 09:38 PM
                      Previous discussion of clustered MTDavid Kanter2012/04/30 04:37 PM
                        Previous discussion of clustered MThcl642012/04/30 07:24 PM
                          Previous discussion of clustered MTDavid Kanter2012/04/30 07:40 PM
                            Previous discussion of clustered MThcl642012/05/01 09:15 AM
                              Latency issuesDavid Kanter2012/05/02 12:01 PM
              So, what do people think of these numbers>Megol2012/04/21 01:57 AM
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