SLC vs. MLC

By: Linus Torvalds (torvalds.delete@this.linux-foundation.org), September 9, 2008 7:43 am
Room: Moderated Discussions
Howard Chu (hyc@symas.com) on 9/9/08 wrote:
>
>Well, you're presuming that there are enough free blocks to
>just write to in the first place, before the background
>coalescer runs. And also you're presuming there's
>enough time for the background task to run to completion,
>before an actual user I/O request arrives. The only way to
>make sure these operations succeed is to use an additional
>buffer/cache.

No, there's a much easier way to do that: just don't expose
all of the flash as addressable - keeping a certain amount
for private use.

You want that anyway in any remapping scheme, even if
you don't have issues with bad areas that you need to map
out. Trying to do block mapping on a totally full device is
really really hard. There are lots of algorithms that work
well as long as the device isn't full, but that start to
thrash and flail uncontrollably when blocks are 99% full.

So look at that 80GB drive (caveat: I'm going to get one,
but I don't have one yet), and I will bet you that it's
something like 10 8GB chips (or 20 4GB ones - I don't know
what current flash chip capacities are and am too damn
lazy to even look it up) - and the chips themselves are
"power-of-two-gigabyte", but the final end result is the
disk "power-of-ten gigabyte".

Do the math. The difference between a "Gibibyte" and a
gigabyte is about 7%. The end result is that you actually
have 5+GB of free space at all time! And that is how
you do wear levelling and remapping and how you erase
blocks in advance.

So I would bet that of that hidden space, one part of it
is for "fragmentation" (ie because you have remapped parts
of an erase block), one part of it is for actually keeping
track of the remapping information itself, and one part
of it is "pre-erased blocks". And there's probably a few
"bad blocks" there too.

What the exact distribution of those things is, I have no
idea, and it is quite possible - even probable - that the
distribution isn't even fixed. The size of the remap area
and the number of erase blocks will fluctuate as the flash
controller does garbage collection and compaction.

So the actual RAM buffer on the card is purely to keep any
temporary working results - there's probably a fairly
shallow cache there (a couple of flash blocks worth of data)
but there's also all the working memory for the flash
controller itself (ie the more complex data structures to
actually keep track of all the remapping information). So
there's no need for a lot of data on that RAM thing,
the flash itself is fast enough for that. You'd mainly just
have metadata there and the few blocks of WB cache.

But I have no actual insider information. All of the above
is based on just "that's how I'd do it, knowing how flash
file systems work".

Linus
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TopicPosted ByDate
First Dunnington benchmark resultsMichael S08/19/08 10:54 AM
  First Dunnington benchmark resultsrwessel08/19/08 01:42 PM
    First Dunnington benchmark resultsAaron Apink08/19/08 05:49 PM
      First Dunnington benchmark resultsJoe Chang08/19/08 06:28 PM
        First Dunnington benchmark resultsrwessel08/21/08 09:49 AM
          First Dunnington benchmark resultsJoe Chang08/21/08 03:10 PM
            First Dunnington benchmark resultsrwessel08/21/08 06:42 PM
              First Dunnington benchmark resultsJoe Chang08/21/08 07:12 PM
      First Dunnington benchmark resultsrwessel08/21/08 09:45 AM
        First Dunnington benchmark resultsAaron Spink08/21/08 01:12 PM
          First Dunnington benchmark resultsJoe Chang08/21/08 03:15 PM
    First Dunnington benchmark resultsRichard Cownie08/20/08 02:59 AM
      First Dunnington benchmark resultsAnders Jensen08/20/08 03:26 AM
        +SSDAnders Jensen08/20/08 03:30 AM
        First Dunnington benchmark resultsRichard Cownie08/20/08 11:04 AM
          First Dunnington benchmark resultsslacker08/20/08 12:35 PM
            First Dunnington benchmark resultsDoug Siebert08/20/08 07:54 PM
              First Dunnington benchmark resultsRichard Cownie08/20/08 08:58 PM
                SLC vs. MLCDavid Kanter08/21/08 01:16 AM
                  SLC vs. MLCMatt Sayler08/21/08 06:25 AM
                  SLC vs. MLCRichard Cownie08/21/08 06:32 AM
                    SLC vs. MLCLinus Torvalds08/21/08 08:39 AM
                      SLC vs. MLCMichael S08/21/08 09:07 AM
                        SLC vs. MLCLinus Torvalds08/21/08 09:52 AM
                          SLC vs. MLCMichael S08/21/08 10:35 AM
                            OLTP appliance = mainframe? (NT)Potatoswatter08/21/08 11:44 AM
                              OLTP appliance = HP NonStop?Michael S08/21/08 12:03 PM
                                OLTP applianceJoe Chang08/21/08 03:33 PM
                                  OLTP appliancePotatoswatter08/21/08 03:59 PM
                            SLC vs. MLCAaron Spink08/21/08 01:29 PM
                          SLC vs. MLCDan Downs08/21/08 11:33 AM
                            SLC vs. MLCrwessel08/21/08 12:45 PM
                              SLC vs. MLCDan Downs08/22/08 08:21 AM
                            SLC vs. MLCAaron Spink08/21/08 01:34 PM
                          SLC vs. MLC vs DRAMpgerassi08/21/08 12:24 PM
                            SLC vs. MLC vs DRAMDavid Kanter08/22/08 01:31 AM
                          SLC vs. MLCGroo08/23/08 12:52 PM
                      SLC vs. MLCDoug Siebert08/21/08 06:14 PM
                        SLC vs. MLCLinus Torvalds08/22/08 08:05 AM
                          SLC vs. MLCDoug Siebert08/22/08 02:27 PM
                            SLC vs. MLCEduardoS08/22/08 06:26 PM
                            SSD Controller differentiationDavid Kanter08/22/08 09:35 PM
                              SSD Controller differentiationDoug Siebert08/22/08 10:34 PM
                                SSD Controller differentiation (supercaps, cost...)anon08/23/08 10:18 AM
                                  SSD Controller differentiation (supercaps, cost...)Doug Siebert08/23/08 10:40 AM
                            SLC vs. MLCLinus Torvalds08/23/08 10:50 AM
                              SLC vs. MLCLinus Torvalds09/08/08 12:03 PM
                                SLC vs. MLCMax09/08/08 01:51 PM
                                  SLC vs. MLCHoward Chu09/08/08 09:04 PM
                                    SLC vs. MLCMax09/08/08 10:29 PM
                                      SLC vs. MLCHoward Chu09/09/08 12:12 AM
                                        RAM vs SSD?Jouni Osmala09/09/08 01:06 AM
                                          RAM vs SSD?Max09/12/08 12:51 PM
                                            RAM vs SSD?EduardoS09/12/08 04:27 PM
                                            Disk cache snapshottingMax09/13/08 08:34 AM
                                              Disk cache snapshottingHoward Chu09/14/08 09:58 PM
                                                Disk cache snapshottingMax09/15/08 12:50 PM
                                        SLC vs. MLCLinus Torvalds09/09/08 07:43 AM
                                          SLC vs. MLCHoward Chu09/09/08 09:42 AM
                                            SLC vs. MLCLinus Torvalds09/09/08 10:39 AM
                                              SLC vs. MLCMichael S09/10/08 12:29 AM
                                                SLC vs. MLCanon09/10/08 02:51 AM
                                                  SLC vs. MLCMichael S09/10/08 03:09 AM
                                                    SLC vs. MLCMax09/10/08 04:48 AM
                                                      SLC vs. MLCMichael S09/10/08 05:52 AM
                                                        SLC vs. MLCMax09/10/08 06:28 AM
                                                    SLC vs. MLCMatt Sayler09/10/08 06:21 AM
                                                      SLC vs. MLCMichael S09/10/08 09:17 AM
                                                    SLC vs. MLCanon09/10/08 06:29 AM
                                                      SLC vs. MLCMichael S09/10/08 09:23 AM
                                                        SLC vs. MLCMatt Sayler09/10/08 10:45 AM
                                                SLC vs. MLCLinus Torvalds09/10/08 07:25 AM
                                                  SLC vs. MLCMichael S09/10/08 09:54 AM
                                                    SLC vs. MLCLinus Torvalds09/10/08 10:31 AM
                                                      Physical vs effective write latencyMax09/11/08 07:35 AM
                                                        Physical vs effective write latencyLinus Torvalds09/11/08 09:06 AM
                                                          Physical vs effective write latencyLinus Torvalds09/11/08 09:48 AM
                                                            Physical vs effective write latencyLinus Torvalds09/11/08 11:39 AM
                                                              Physical vs effective write latencyMark Roulo09/11/08 12:18 PM
                                                                Physical vs effective write latencyDoug Siebert09/11/08 05:59 PM
                                                                  Physical vs effective write latencyLinus Torvalds09/11/08 07:16 PM
                                                                    Physical vs effective write latencyDoug Siebert09/11/08 10:28 PM
                                                        Physical vs effective write latencyMS02/03/09 03:06 PM
                                                  SLC vs. MLC - the trick to latencyAnonymous09/11/08 12:39 PM
                                                    SLC vs. MLC - the trick to latencyanon09/11/08 01:17 PM
                                                      SLC vs. MLC - the trick to latencyAnonymous09/11/08 05:25 PM
                                                        SLC vs. MLC - the trick to latencyDoug Siebert09/11/08 05:47 PM
                                                          SLC vs. MLC - the trick to latencyrwessel09/11/08 06:01 PM
                                                        SLC vs. MLC - the trick to latencyanon09/12/08 12:00 AM
                                                          SLC vs. MLC - the trick to latencyAnonymous09/12/08 08:52 PM
                                                            SLC vs. MLC - the trick to latencyanon09/13/08 10:06 AM
                                                            SLC vs. MLC - the trick to latencyUngo09/15/08 12:18 PM
                                                              To SSD or not? One lady's perspectiveDavid Kanter09/22/08 01:12 AM
                                                                To SSD or not? One lady's perspectiveHoward Chu09/22/08 04:02 AM
                                                                  To SSD or not? Real data..Linus Torvalds09/22/08 07:33 AM
                                                                    To SSD or not? Real data..Ungo09/22/08 12:27 PM
                                                                      4K sectorsWes Felter09/22/08 06:03 PM
                                                                        4K sectorsDaniel09/22/08 10:31 PM
                                                                      Reasons for >512 byte sectorsDoug Siebert09/22/08 09:38 PM
                                                                        Reasons for >512 byte sectorsrwessel09/22/08 10:09 PM
                                                                          Reasons for >512 byte sectorsHoward Chu09/23/08 02:50 AM
                                                                        Reasons for >512 byte sectorsDaniel09/22/08 10:40 PM
                                                                          Reasons for >512 byte sectorsrwessel09/23/08 09:11 AM
                                                                            Reasons for >512 byte sectorsDaniel09/23/08 12:10 PM
                                                                      HDD long sector size availabilityEtienne Lehnart09/23/08 05:32 AM
                                                                        HDD long sector size availabilityrwessel09/23/08 09:19 AM
                                                                          HDD long sector size availabilityEtienne Lehnart09/23/08 02:17 PM
                                                                    To SSD or not? Real data..Jouni Osmala09/22/08 11:16 PM
                                                                  To SSD or not? One lady's perspectiveWes Felter09/22/08 11:25 AM
                                                                How should SSDs be engineered into systems?Rob Thorpe09/22/08 02:01 PM
                                                                  How should SSDs be engineered into systems?Matt Craighead09/23/08 06:59 PM
                                                                    How should SSDs be engineered into systems?Matt Sayler09/24/08 04:17 AM
                                                            ATA/SCSIS, Write Flushes and Asych FilesystemsTruePath01/25/09 04:44 AM
                                                        SLC vs. MLC - the trick to latencyMichael S09/12/08 04:58 AM
                                                        overlapped erase and read Michael S09/12/08 04:59 AM
                                                          overlapped erase and read David W. Hess09/12/08 09:56 AM
                                                          overlapped erase and read Anonymous09/12/08 08:45 PM
                                                            overlapped erase and read Jouni Osmala09/12/08 11:56 PM
                                                            overlapped erase and read Michael S09/13/08 11:29 AM
                                                            overlapped erase and read Michael S09/13/08 12:09 PM
                                                              overlapped erase and read Linus Torvalds09/13/08 02:05 PM
                                                    SLC vs. MLC - the trick to latencyDoug Siebert09/11/08 05:31 PM
                                SLC vs. MLCEduardoS09/08/08 02:07 PM
                                  SLC vs. MLCLinus Torvalds09/08/08 02:30 PM
                                    SLC vs. MLCEduardoS09/08/08 04:01 PM
                                      SSD and RAIDJoe Chang09/08/08 07:42 PM
                                        SSD and RAIDDoug Siebert09/08/08 09:46 PM
                                          SSD and RAIDAaron Spink09/09/08 04:27 PM
                                            SSD and RAIDGroo09/10/08 01:02 PM
                              SLC vs. MLCJoern Engel01/06/09 10:22 AM
                                SLC vs. MLCLinus Torvalds01/06/09 02:04 PM
                                  SLC vs. MLCJoern Engel01/06/09 03:24 PM
                                    SLC vs. MLCrwessel01/06/09 04:47 PM
                                      SLC vs. MLCanonymous01/06/09 05:17 PM
                                        SLC vs. MLCrwessel01/06/09 05:58 PM
                                      SLC vs. MLCJoern Engel01/07/09 12:35 AM
                                    SLC vs. MLCLinus Torvalds01/06/09 05:45 PM
                                      SLC vs. MLCrwessel01/06/09 06:09 PM
                                        SLC vs. MLCLinus Torvalds01/06/09 07:47 PM
                                      SLC vs. MLCJoern Engel01/07/09 12:26 AM
                                    SLC vs. MLCanon01/06/09 08:23 PM
                                      SLC vs. MLCJoern Engel01/07/09 12:52 AM
                                        SLC vs. MLCanon01/07/09 02:34 AM
                                  SLC vs. MLCIntelUser200001/07/09 07:43 AM
                                    SLC vs. MLCLinus Torvalds01/07/09 10:28 AM
                                      drop data filesystem semanticDoug Siebert01/09/09 12:21 PM
                                      FTL and FSiz01/09/09 07:49 PM
                                        FTL and FSLinus Torvalds01/09/09 09:53 PM
                                          FTL and FSiz01/10/09 02:09 AM
                                            FTL and FSMichael S01/10/09 03:19 PM
                                              compiling large programsiz01/10/09 05:51 PM
                                                compiling large programsLinus Torvalds01/10/09 07:58 PM
                                                  compiling large programspeter01/11/09 05:30 AM
                                                  compiling large programsAndi Kleen01/11/09 01:03 PM
                                                  The File AbstractionTruePath01/25/09 06:45 AM
                                                    The File AbstractionHoward Chu01/25/09 01:49 PM
                                                      The File AbstractionLinus Torvalds01/26/09 09:23 AM
                                                        The File AbstractionMichael S01/26/09 01:39 PM
                                                          The File AbstractionLinus Torvalds01/26/09 02:31 PM
                                                            The File AbstractionDean Kent01/26/09 03:06 PM
                                                              The File AbstractionLinus Torvalds01/26/09 04:29 PM
                                                                The File AbstractionMark Christiansen01/27/09 09:24 AM
                                                                  The File AbstractionMark Christiansen01/27/09 10:14 AM
                                                                  The File AbstractionLinus Torvalds01/27/09 10:15 AM
                                                                    The File Abstractionslacker01/27/09 11:20 AM
                                                                      The File AbstractionLinus Torvalds01/27/09 01:16 PM
                                                                        Attributes All The Way DownMark Christiansen01/27/09 02:17 PM
                                                                        The File Abstractionslacker01/27/09 05:25 PM
                                                                          The File AbstractionLinus Torvalds01/28/09 08:17 AM
                                                                            The File Abstraction: API thoughtsCarlie Coats01/28/09 09:35 AM
                                                                            The File Abstractionslacker01/28/09 10:09 AM
                                                                              The File AbstractionLinus Torvalds01/28/09 01:44 PM
                                                                                Programs already 'hide' their metadata in the bytestream, unbeknownst to usersanon01/28/09 09:28 PM
                                                                                The File Abstractionslacker01/29/09 10:39 AM
                                                                                  The File AbstractionLinus Torvalds01/29/09 11:08 AM
                                                                                    The File AbstractionDean Kent01/29/09 11:49 AM
                                                                                      The File AbstractionHoward Chu01/29/09 02:58 PM
                                                                                        The File Abstractionrwessel01/29/09 04:23 PM
                                                                                    Extended Attributes in Actionslacker01/29/09 03:05 PM
                                                                                      Extended Attributes in Actionstubar01/29/09 04:49 PM
                                                                                      Extended Attributes in ActionLinus Torvalds01/29/09 05:15 PM
                                                                                        Like Duhanon01/29/09 07:42 PM
                                                                                          Like Duhanon01/29/09 09:15 PM
                                                                                            Like Duhanon02/01/09 07:18 PM
                                                                                              Double Duh.Anonymous02/01/09 10:58 PM
                                                                                                Double Duh.anon02/02/09 02:08 AM
                                                                                                  Double Duh.Anonymous02/02/09 05:11 PM
                                                                                                    Double Duh.anon02/02/09 07:33 PM
                                                                                              Like DuhDavid Kanter02/01/09 11:05 PM
                                                                                                Like Duhpeter02/01/09 11:55 PM
                                                                                                Like Duhanon02/02/09 01:55 AM
                                                                                                Xattrs, Solar power, regulation and politicsRob Thorpe02/02/09 04:36 AM
                                                                                                  Terminology seems too fuzzy to mehobold02/02/09 06:14 AM
                                                                                                    Terminology seems too fuzzy to merwessel02/02/09 12:33 PM
                                                                                                      good summaryMichael S02/03/09 02:41 AM
                                                                                                        good summaryMark Christiansen02/03/09 09:57 AM
                                                                                                          good summaryHoward Chu02/03/09 10:21 AM
                                                                                                            good summaryMark Christiansen02/03/09 11:18 AM
                                                                                                              good summaryHoward Chu02/03/09 12:00 PM
                                                                                                                good summaryMark Christiansen02/03/09 12:36 PM
                                                                                                          good summaryRagingDragon02/03/09 10:39 PM
                                                                                                            good summaryrwessel02/03/09 11:03 PM
                                                                                                              good summaryRagingDragon02/03/09 11:46 PM
                                                                                                      Terminology seems too fuzzy to meslacker02/04/09 05:06 PM
                                                                                                        Terminology seems too fuzzy to meMichael S02/05/09 01:05 AM
                                                                                                          Terminology seems too fuzzy to meUngo02/05/09 01:15 PM
                                                                                                          Terminology seems too fuzzy to meslacker02/05/09 02:19 PM
                                                                                                            Terminology seems too fuzzy to meHoward Chu02/05/09 04:44 PM
                                                                                          Like Duhiz01/30/09 02:03 AM
                                                                                          EAs (security labels) hosed me badlyanon01/30/09 09:48 PM
                                                                                        Extended Attributes in ActionRagingDragon01/29/09 09:31 PM
                                                                                      Extended Attributes in Actionanonymous01/29/09 08:13 PM
                                                                                      Extended Attributes in ActionHoward Chu01/29/09 09:38 PM
                                                                                        Extended Attributes in Actionslacker01/30/09 11:24 AM
                                                                                          Extended Attributes in Actionanon01/30/09 05:50 PM
                                                                                      Extended Attributes in ActionEtienne Lehnart01/30/09 12:22 AM
                                                                                      Extended Attributes in ActionRob Thorpe01/30/09 12:39 PM
                                                                                        Extended Attributes in Actionslacker01/30/09 01:16 PM
                                                                                          Extended Attributes in Actionanon01/30/09 06:03 PM
                                                                                          Extended Attributes in ActionHoward Chu01/30/09 11:22 PM
                                                                                            Extended Attributes in Actionrwessel01/31/09 12:08 AM
                                                                                              Extended Attributes in Actionanonymous01/31/09 12:22 AM
                                                                                                Extended Attributes in Actionrwessel01/31/09 12:56 AM
                                                                                                  ScalingDean Kent01/31/09 09:04 AM
                                                                                                    ScalingRob Thorpe02/02/09 02:39 AM
                                                                                                      Scalingrwessel02/02/09 11:41 AM
                                                                                                        ScalingHoward Chu02/02/09 12:30 PM
                                                                                                          ScalingDean Kent02/02/09 02:27 PM
                                                                                                            ScalingRob Thorpe02/03/09 05:08 AM
                                                                                                              ScalingDean Kent02/03/09 07:38 AM
                                                                                                              Scalingrwessel02/03/09 02:34 PM
                                                                                                                ScalingRagingDragon02/03/09 10:46 PM
                                                                                                    in defense of software that does not scaleMatt Sayler02/03/09 11:27 AM
                                                                                                      in defense of software that does not scaleHoward Chu02/03/09 12:03 PM
                                                                                                        in defense of software that does not scaleMatt Sayler02/03/09 12:17 PM
                                                                                                        in defense of software that does not scaleRagingDragon02/03/09 11:00 PM
                                                                                                          in defense of software that does not scaleMichael S02/04/09 06:46 AM
                                                                                                            in defense of software that does not scaleRagingDragon02/04/09 09:33 PM
                                                                                                      in defense of software that does not scaleDean Kent02/03/09 12:17 PM
                                                                                                        in defense of software that does not scaleMatt Sayler02/03/09 12:24 PM
                                                                                                        in defense of software that does not scaleVincent Diepeveen02/04/09 10:43 AM
                                                                                                      in defense of software that does not scalerwessel02/03/09 02:44 PM
                                                                                                        in defense of software that does not scaleanon02/04/09 02:35 AM
                                                                                                          in defense of software that does not scaleCarlie Coats02/04/09 05:24 AM
                                                                                                      Scaling with time vs. scaling from the beginning.mpx02/05/09 01:57 AM
                                                                                                  Extended Attributes in ActionMichael S01/31/09 10:33 AM
                                                                                                  Extended Attributes in Actionanon01/31/09 10:37 PM
                                                                                          Extended Attributes in ActionJasonB01/31/09 08:11 AM
                                                                                            Extended Attributes in ActionHoward Chu01/31/09 11:43 AM
                                                                                              Extended Attributes in ActionJasonB01/31/09 04:37 PM
                                                                                                Extended Attributes in ActionHoward Chu02/02/09 02:42 PM
                                                                                                  Extended Attributes in ActionHoward Chu02/02/09 02:44 PM
                                                                    The File AbstractionRob Thorpe01/27/09 11:20 AM
                                                              The File AbstractionHoward Chu01/27/09 12:28 AM
                                                                The File AbstractionMichael S01/27/09 03:00 AM
                                                                The File AbstractionDean Kent01/27/09 08:30 AM
                                                        The File AbstractionAndi Kleen01/27/09 02:05 AM
                                  SLC vs. MLCMichel01/12/09 06:54 PM
                                    SLC vs. MLCLinus Torvalds01/12/09 07:38 PM
                                      SLC vs. MLCrwessel01/13/09 12:52 AM
                                      SLC vs. MLCUngo01/13/09 03:04 PM
                                        SLC vs. MLCWes Felter01/13/09 05:42 PM
                                      SLC vs. MLCTruePath01/25/09 05:05 AM
                    SLC vs. MLCUngo08/21/08 12:54 PM
                    SLC vs. MLCAaron Spink08/21/08 01:20 PM
                  MLC vs. SLCMichael S08/21/08 08:57 AM
                First Dunnington benchmark resultsrwessel08/21/08 10:40 AM
              First Dunnington benchmark resultsAaron Spink08/21/08 03:18 AM
      First Dunnington benchmark resultsEtienne Lehnart08/20/08 04:38 AM
  Will x86 dominate big iron?Tom W08/19/08 10:10 PM
    Will x86 dominate big iron?Jesper Frimann08/20/08 12:28 AM
      Will x86 dominate big iron?Tom W08/20/08 03:42 PM
        Will x86 dominate big iron?David Kanter08/21/08 01:13 AM
          Will x86 dominate big iron?Joe Chang08/21/08 06:54 AM
            Will x86 dominate big iron?asdf08/22/08 01:18 PM
              Will x86 dominate big iron?Dean Kent08/22/08 07:54 PM
        Will x86 dominate big iron?Jesper Frimann08/22/08 09:48 AM
          Will x86 dominate big iron?Tom W08/24/08 01:06 AM
            Will x86 dominate big iron?Michael S08/24/08 04:19 AM
              Will x86 dominate big iron?Dean Kent08/24/08 09:30 AM
                Will x86 dominate big iron?Paul08/24/08 11:16 AM
                  Will x86 dominate big iron?Dean Kent08/24/08 12:37 PM
                Will x86 dominate big iron?Michael S08/25/08 12:53 AM
        Will x86 dominate big iron?someone08/22/08 10:19 AM
          Will x86 dominate big iron?aaron spink08/23/08 02:56 AM
            Will x86 dominate big iron?Michael S08/23/08 09:58 AM
              Will x86 dominate big iron?someone08/23/08 01:51 PM
            Will x86 dominate big iron?someone08/23/08 01:55 PM
              Will x86 dominate big iron?Aaron Spink08/23/08 04:52 PM
                Will x86 dominate big iron?anonymous08/23/08 05:28 PM
                  Will x86 dominate big iron?Dean Kent08/23/08 06:12 PM
                    Off road and topicEduardoS08/23/08 06:28 PM
                  Will x86 dominate big iron?someone08/23/08 06:26 PM
                    Will x86 dominate big iron?Dean Kent08/23/08 09:40 PM
                    Will x86 dominate big iron?anonymous08/24/08 01:46 AM
                  Off road and topicDavid W. Hess08/24/08 03:24 AM
                    Off road and topicAaron Spink08/24/08 04:14 AM
  Beckton vs. DunningtonMr. Camel08/22/08 06:30 AM
    Beckton vs. Dunningtonjokerman08/22/08 12:12 PM
    Beckton vs. DunningtonMr. Camel05/29/09 10:16 AM
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