>4 issue width on x86 - feasible?

By: ShaidarHaran (no.delete@this.thanks.net), September 18, 2007 3:05 pm
Room: Moderated Discussions
At what point does increasing the instruction issue width for x86 MPUs become an exercise in futility due to register pressure? IOW: isn't it about time for a new ISA?
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>4 issue width on x86 - feasible?ShaidarHaran09/18/07 03:05 PM
  >4 issue width on x86 - feasible?Linus Torvalds09/18/07 03:24 PM
    >4 issue width on x86 - feasible?Paul09/18/07 04:12 PM
      >4 issue width on x86 - feasible?Linus Torvalds09/18/07 08:30 PM
        >4 issue width on x86 - feasible?Anonymous10/03/07 07:48 AM
          >4 issue width on x86 - feasible?David Kanter10/03/07 08:23 AM
            >4 issue width on x86 - feasible?Linus Torvalds10/03/07 09:28 AM
              >4 issue width on x86 - feasible?Linus Torvalds10/03/07 09:43 AM
              AnywayRob Thorpe10/03/07 10:51 AM
                Heh. :-)JasonB10/04/07 01:03 AM
                  Heh. :-)anon10/04/07 07:17 AM
                    Heh. :-)Rob Thorpe10/04/07 08:21 AM
              >4 issue width on x86 - feasible?Anil Maliyekkel10/04/07 05:14 AM
          >4 issue width on x86 - feasible?Linus Torvalds10/03/07 09:05 AM
            >4 issue width on x86 - feasible?Anil Maliyekkel10/04/07 05:11 AM
              >4 issue width on x86 - feasible?Michael S10/04/07 08:48 AM
                >4 issue width on x86 - feasible?anonymous10/04/07 09:31 AM
                  >4 issue width on x86 - feasible?Michael S10/04/07 10:21 AM
                  >4 issue width on x86 - feasible?David Kanter10/04/07 02:31 PM
                    >4 issue width on x86 - feasible?Michael S10/04/07 04:10 PM
                    >4 issue width on x86 - feasible?Anil Maliyekkel10/04/07 04:35 PM
                      >4 issue width on x86 - feasible?David Kanter10/04/07 11:12 PM
          >4 issue width on x86 - feasible?Michael S10/04/07 09:19 AM
    >4 issue width on x86 - feasible?ShaidarHaran09/18/07 05:32 PM
      >4 issue width on x86 - feasible?rwessel09/18/07 09:56 PM
    >4 issue width on x86 - feasible?Anders Jensen09/19/07 12:13 AM
      >4 issue width on x86 - feasible?Rayiner Hashem09/19/07 02:55 AM
        >4 issue width on x86 - feasible?Anders Jensen09/19/07 04:06 AM
          >4 issue width on x86 - feasible?Rayiner Hashem09/19/07 05:34 AM
    >4 issue width on x86 - feasible?Richard Krehbiel09/19/07 05:02 AM
      >4 issue width on x86 - feasible?Gabriele Svelto09/19/07 05:29 AM
      >4 issue width on x86 - feasible?Linus Torvalds09/19/07 08:55 AM
        Number of transistorsTzvetan Mikov09/19/07 07:46 PM
          Number of transistorsLinus Torvalds09/19/07 08:32 PM
            Number of transistorsRakesh Malik09/20/07 08:40 AM
              Number of transistorsLinus Torvalds09/20/07 09:03 AM
                Number of transistorsRakesh Malik09/21/07 10:35 AM
                  Number of transistorsLinus Torvalds09/21/07 11:35 AM
                    Number of transistorsJP09/21/07 12:55 PM
                      Number of transistorsanonymous09/21/07 01:38 PM
                      Number of transistorsLinus Torvalds09/21/07 01:39 PM
                        Number of transistorsIan Ameline09/21/07 02:17 PM
                          LOL (NT)Linus Torvalds09/21/07 04:08 PM
                          Number of transistorsanonymous09/22/07 12:14 AM
                            Number of transistorssavantu09/22/07 12:36 AM
                        Itanium@IDFIDFattendee09/21/07 08:22 PM
                          Itanium is profitable on a quarterly basisDavid Kanter09/21/07 10:52 PM
                            Itanium is profitable on a quarterly basissavantu09/21/07 11:28 PM
                              Itanium is profitable on a quarterly basisanonymous09/21/07 11:54 PM
                                Itanium is profitable on a quarterly basissavantu09/22/07 12:45 AM
                                  Itanium is profitable on a quarterly basisanonymous09/22/07 08:43 AM
                                  Itanium is profitable on a quarterly basisslacker09/23/07 02:26 PM
                        Isn't Itanium the most popular non-x86 CPU for running Linux? (NT)NIKOLAS09/21/07 11:30 PM
                          I'm pretty sure ARM is the most popular non-x86 Linux platform (NT)anonymous09/22/07 12:06 PM
                            PPC & MIPS are more popular Linux platforms than Itanium too (NT)A different Anonymous09/24/07 11:02 AM
                        True advantage of Itanium...Jouni Osmala09/22/07 05:49 AM
                          True advantage of Itanium...Arun Ramakrishnan09/22/07 06:28 AM
                          True advantage of Itanium...Rayiner Hashem09/22/07 08:27 PM
                            True advantage of Itanium...anonymous09/23/07 12:21 AM
                              True advantage of Itanium...Joe Chang09/23/07 07:46 AM
                                Clarification?James09/24/07 01:29 AM
                                  Clarification?Joe Chang09/24/07 10:29 AM
                        Number of transistorsRakesh Malik09/24/07 08:07 AM
                          IPFDavid Kanter09/24/07 08:57 AM
                            IPFRakesh Malik09/24/07 12:06 PM
                            IPFRob Thorpe09/24/07 12:11 PM
                              IPFJoe Chang09/24/07 07:47 PM
                                Ah yes, Long term investment is often failed short term investment (NT)Rob Thorpe09/25/07 04:22 AM
                            IPFMichael S09/25/07 03:18 AM
                              IPFJoe Chang09/25/07 09:11 AM
                                IPFlubemark09/26/07 12:26 AM
                          Number of transistorsLinus Torvalds09/24/07 11:07 AM
                            Number of transistorsRakesh Malik09/24/07 11:50 AM
                              Number of transistorsLinus Torvalds09/24/07 03:58 PM
                                Number of transistorsRakesh Malik09/25/07 08:48 AM
                                  Number of transistorsLinus Torvalds09/25/07 10:17 AM
                                    Number of transistorsJP09/25/07 11:04 AM
                                      Number of transistorsRayiner Hashem09/25/07 12:10 PM
                                      Number of transistorsLinus Torvalds09/25/07 02:43 PM
                                        Number of transistorsJP09/25/07 04:22 PM
                                          Number of transistorsRayiner Hashem09/25/07 06:05 PM
                                            Number of transistorsJP09/26/07 11:31 AM
                                              Number of transistorsLinus Torvalds09/26/07 02:39 PM
                                                Number of transistorsJP09/26/07 04:41 PM
                                                  Number of transistorsLinus Torvalds09/26/07 05:26 PM
                                                    Number of transistorsAnil Maliyekkel09/27/07 01:42 PM
                                                      Number of transistorsLinus Torvalds09/27/07 06:46 PM
                                                        Number of transistorsDavid W. Hess09/27/07 07:48 PM
                                                        Number of transistorsMichael S09/28/07 06:03 AM
                                                        Number of transistorsnick09/28/07 08:32 AM
                                                    Number of transistorsJP09/27/07 04:19 PM
                                                      RAS ShmassMichael S09/28/07 06:23 AM
                                                        RAS ShmassRichard Urich09/28/07 08:45 AM
                                                          RAS Shmassanonymous09/28/07 11:58 AM
                                                            RAS ShmassMichael S09/29/07 04:02 PM
                                                              RAS Shmassblaine09/30/07 10:10 AM
                                                            RAS ShmassAndi Kleen10/01/07 01:00 AM
                                                              RAS ShmassMichael S10/01/07 05:28 AM
                                                                RAS ShmassAndi Kleen10/01/07 08:27 AM
                                                              RAS Shmassanonymous10/01/07 06:01 AM
                                                                RAS ShmassAndi Kleen10/01/07 08:19 AM
                                                      Number of transistorsRichard Urich09/28/07 08:42 AM
                                                        Number of transistorsRakesh Malik10/01/07 12:56 PM
                                                          Number of transistorsVincent Diepeveen10/02/07 07:42 AM
                                                            Number of transistorsanon10/02/07 08:26 PM
                                                              Number of transistorsMichael S10/03/07 05:06 AM
                                                  There are others interested in a high RAS x86 partDoug Siebert09/26/07 09:58 PM
                                                    There are others interested in a high RAS x86 partJP09/26/07 11:29 PM
                                                    There are others interested in a high RAS x86 partAlex Jones09/27/07 01:12 PM
                                                  Number of transistorsanonymous09/27/07 12:10 AM
                                                    Number of transistorsJP09/27/07 06:23 PM
                                                    RAS featuresDavid Kanter09/28/07 01:47 AM
                                                      RAS featuresanonymous09/28/07 03:14 AM
                                                        RAS featuresMichael S09/28/07 07:18 AM
                                                        RAS featuresDavid Kanter09/28/07 09:51 AM
                                                          RAS featuresanonymous09/28/07 11:43 AM
                                              Number of transistorsRayiner Hashem09/26/07 06:30 PM
                                        Number of transistorsAnonymous09/25/07 07:30 PM
                                          Number of transistorsLinus Torvalds09/26/07 07:51 AM
                                            Itanium 2 L1 caches technically clever?Paul A. Clayton09/27/07 01:03 PM
                                          Number of transistorsRichard Urich09/26/07 09:49 AM
                                        Number of transistorsKeith Fiske09/25/07 08:35 PM
                                          Number of transistorsRichard Urich09/26/07 10:44 AM
                                            Number of transistorsKeith Fiske09/26/07 09:54 PM
                                    Number of transistorsFoo_09/25/07 12:14 PM
                                      Number of transistorsRayiner Hashem09/25/07 01:42 PM
                                        Number of transistorsFoo_09/25/07 02:53 PM
                                          Number of transistorsMichael S09/25/07 03:49 PM
                                            after Tukwila?Foo_09/26/07 03:15 AM
                                              after Tukwila?Michael S09/26/07 03:41 AM
                                                after Tukwila?lubemark09/26/07 08:16 AM
                                          Number of transistorsRayiner Hashem09/25/07 03:53 PM
                                            Number of transistorsJoe Chang09/25/07 07:06 PM
                                              Number of transistorsshadow09/25/07 07:51 PM
                                              Number of transistorsRayiner Hashem09/25/07 08:30 PM
                                            Number of transistorssavantu09/25/07 10:42 PM
                                              IPF and acres of siliconDavid Kanter09/26/07 10:15 AM
                                            naivetyFoo_09/26/07 03:18 AM
                                              naivetylubemark09/26/07 08:28 AM
                                              naivetyRayiner Hashem09/26/07 12:28 PM
                                                naivetyFoo_09/27/07 11:18 AM
                                                  naivetyRayiner Hashem09/27/07 11:50 AM
                                                    naivetyDean Kent09/27/07 01:27 PM
                                                      naivetyRayiner Hashem09/27/07 01:52 PM
                                                        naivetyJasonB09/27/07 05:38 PM
                                                          naivetyJasonB09/27/07 05:40 PM
                                                        naivetyDean Kent09/27/07 07:35 PM
                                                          naivetyRayiner Hashem09/27/07 11:51 PM
                                                            naivetyDean Kent09/28/07 03:54 AM
                                                            naivetynick09/28/07 01:44 PM
                                          Modern processDavid Kanter09/25/07 08:57 PM
                                    Number of transistorsRakesh Malik09/26/07 12:11 PM
                          Number of transistorsanonymous09/24/07 12:22 PM
                    Torvalds quoteanonymous10/01/07 11:47 AM
                    LOL that's a good one !AM10/14/07 09:46 AM
                      LOL that's a good one !Dean Kent10/14/07 10:39 AM
                        LOL that's a good one !ShaidarHaran10/14/07 02:16 PM
              Number of transistorsanonymous09/20/07 09:31 AM
          Number of transistorsanonymous09/19/07 11:36 PM
            Number of transistorssavantu09/20/07 01:22 AM
              Number of transistorsanonymous09/20/07 07:12 AM
                Number of transistorsEuronymous09/20/07 09:49 AM
        >4 issue width on x86 - feasible?Gabriele Svelto09/19/07 11:21 PM
        ISA vs. ImplementationPeter Gerdes10/08/07 03:51 AM
          ISA vs. ImplementationGabriele Svelto10/08/07 04:43 AM
          ISA vs. Implementationhobold10/08/07 05:02 AM
            ISA vs. ImplementationDaniel10/08/07 07:44 AM
              ISA vs. ImplementationArun Ramakrishnan10/09/07 06:10 AM
                ISA vs. Implementationanonymous10/09/07 09:03 AM
                  ISA vs. ImplementationArun Ramakrishnan10/09/07 09:39 AM
                ISA vs. ImplementationMichael S10/09/07 09:05 AM
                  ISA vs. ImplementationArun Ramakrishnan10/09/07 09:36 AM
                    ISA vs. ImplementationMichael S10/09/07 01:21 PM
            ISA vs. ImplementationAnders Jensen10/08/07 10:56 AM
              ISA vs. Implementationhobold10/08/07 03:06 PM
                ISA vs. ImplementationAnil Maliyekkel10/08/07 06:58 PM
                  Misinterpreting IBM's uarchDavid Kanter10/08/07 08:56 PM
                    Misinterpreting IBM's uarchMichael S10/09/07 02:21 AM
                      Misinterpreting IBM's uarchAnil Maliyekkel10/09/07 09:34 AM
                        Misinterpreting IBM's uarchMichael S10/09/07 04:25 PM
                    Misinterpreting IBM's uarchAnil Maliyekkel10/09/07 07:28 AM
                      Misinterpreting IBM's uarchDavid Kanter10/09/07 12:44 PM
                        Misinterpreting IBM's uarchAnil Maliyekkel10/09/07 01:19 PM
                        Misinterpreting IBM's uarchrwessel10/09/07 01:39 PM
                  ISA vs. ImplementationS. Rao10/09/07 12:08 AM
                    ISA vs. ImplementationAnil Maliyekkel10/09/07 09:04 AM
                      ISA vs. ImplementationS. Rao10/17/07 10:23 PM
                Predication and SIMDAnders Jensen10/17/07 12:21 AM
                  Predication and SIMDS. Rao10/17/07 10:34 PM
              SMT assumes ILP-oriented corePaul A. Clayton10/09/07 07:10 AM
          ISA vs. ImplementationLinus Torvalds10/08/07 07:57 AM
            OoO and Register RenamingTom Hammond10/08/07 03:44 PM
            ISA vs. ImplementationPeter Gerdes10/15/07 07:33 PM
  >4 issue width on x86 - feasible?mpx09/19/07 07:04 AM
    >4 issue width on x86 - feasible?Howard Chu09/19/07 08:54 AM
    >4 issue width on x86 - feasible?Rayiner Hashem09/19/07 04:20 PM
  >4 issue width on x86 - feasible?Jonathan Kang09/20/07 05:54 AM
  >4 issue width on x86 - feasible?Wierdo09/26/07 04:55 AM
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