>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?ShaidarHaran2007/09/18 03:05 PM
  >4 issue width on x86 - feasible?Linus Torvalds2007/09/18 03:24 PM
    >4 issue width on x86 - feasible?Paul2007/09/18 04:12 PM
      >4 issue width on x86 - feasible?Linus Torvalds2007/09/18 08:30 PM
        >4 issue width on x86 - feasible?Anonymous2007/10/03 07:48 AM
          >4 issue width on x86 - feasible?David Kanter2007/10/03 08:23 AM
            >4 issue width on x86 - feasible?Linus Torvalds2007/10/03 09:28 AM
              >4 issue width on x86 - feasible?Linus Torvalds2007/10/03 09:43 AM
              AnywayRob Thorpe2007/10/03 10:51 AM
                Heh. :-)JasonB2007/10/04 01:03 AM
                  Heh. :-)anon2007/10/04 07:17 AM
                    Heh. :-)Rob Thorpe2007/10/04 08:21 AM
              >4 issue width on x86 - feasible?Anil Maliyekkel2007/10/04 05:14 AM
          >4 issue width on x86 - feasible?Linus Torvalds2007/10/03 09:05 AM
            >4 issue width on x86 - feasible?Anil Maliyekkel2007/10/04 05:11 AM
              >4 issue width on x86 - feasible?Michael S2007/10/04 08:48 AM
                >4 issue width on x86 - feasible?anonymous2007/10/04 09:31 AM
                  >4 issue width on x86 - feasible?Michael S2007/10/04 10:21 AM
                  >4 issue width on x86 - feasible?David Kanter2007/10/04 02:31 PM
                    >4 issue width on x86 - feasible?Michael S2007/10/04 04:10 PM
                    >4 issue width on x86 - feasible?Anil Maliyekkel2007/10/04 04:35 PM
                      >4 issue width on x86 - feasible?David Kanter2007/10/04 11:12 PM
          >4 issue width on x86 - feasible?Michael S2007/10/04 09:19 AM
    >4 issue width on x86 - feasible?ShaidarHaran2007/09/18 05:32 PM
      >4 issue width on x86 - feasible?rwessel2007/09/18 09:56 PM
    >4 issue width on x86 - feasible?Anders Jensen2007/09/19 12:13 AM
      >4 issue width on x86 - feasible?Rayiner Hashem2007/09/19 02:55 AM
        >4 issue width on x86 - feasible?Anders Jensen2007/09/19 04:06 AM
          >4 issue width on x86 - feasible?Rayiner Hashem2007/09/19 05:34 AM
    >4 issue width on x86 - feasible?Richard Krehbiel2007/09/19 05:02 AM
      >4 issue width on x86 - feasible?Gabriele Svelto2007/09/19 05:29 AM
      >4 issue width on x86 - feasible?Linus Torvalds2007/09/19 08:55 AM
        Number of transistorsTzvetan Mikov2007/09/19 07:46 PM
          Number of transistorsLinus Torvalds2007/09/19 08:32 PM
            Number of transistorsRakesh Malik2007/09/20 08:40 AM
              Number of transistorsLinus Torvalds2007/09/20 09:03 AM
                Number of transistorsRakesh Malik2007/09/21 10:35 AM
                  Number of transistorsLinus Torvalds2007/09/21 11:35 AM
                    Number of transistorsJP2007/09/21 12:55 PM
                      Number of transistorsanonymous2007/09/21 01:38 PM
                      Number of transistorsLinus Torvalds2007/09/21 01:39 PM
                        Number of transistorsIan Ameline2007/09/21 02:17 PM
                          LOL (NT)Linus Torvalds2007/09/21 04:08 PM
                          Number of transistorsanonymous2007/09/22 12:14 AM
                            Number of transistorssavantu2007/09/22 12:36 AM
                        Itanium@IDFIDFattendee2007/09/21 08:22 PM
                          Itanium is profitable on a quarterly basisDavid Kanter2007/09/21 10:52 PM
                            Itanium is profitable on a quarterly basissavantu2007/09/21 11:28 PM
                              Itanium is profitable on a quarterly basisanonymous2007/09/21 11:54 PM
                                Itanium is profitable on a quarterly basissavantu2007/09/22 12:45 AM
                                  Itanium is profitable on a quarterly basisanonymous2007/09/22 08:43 AM
                                  Itanium is profitable on a quarterly basisslacker2007/09/23 02:26 PM
                        Isn't Itanium the most popular non-x86 CPU for running Linux? (NT)NIKOLAS2007/09/21 11:30 PM
                          I'm pretty sure ARM is the most popular non-x86 Linux platform (NT)anonymous2007/09/22 12:06 PM
                            PPC & MIPS are more popular Linux platforms than Itanium too (NT)A different Anonymous2007/09/24 11:02 AM
                        True advantage of Itanium...Jouni Osmala2007/09/22 05:49 AM
                          True advantage of Itanium...Arun Ramakrishnan2007/09/22 06:28 AM
                          True advantage of Itanium...Rayiner Hashem2007/09/22 08:27 PM
                            True advantage of Itanium...anonymous2007/09/23 12:21 AM
                              True advantage of Itanium...Joe Chang2007/09/23 07:46 AM
                                Clarification?James2007/09/24 01:29 AM
                                  Clarification?Joe Chang2007/09/24 10:29 AM
                        Number of transistorsRakesh Malik2007/09/24 08:07 AM
                          IPFDavid Kanter2007/09/24 08:57 AM
                            IPFRakesh Malik2007/09/24 12:06 PM
                            IPFRob Thorpe2007/09/24 12:11 PM
                              IPFJoe Chang2007/09/24 07:47 PM
                                Ah yes, Long term investment is often failed short term investment (NT)Rob Thorpe2007/09/25 04:22 AM
                            IPFMichael S2007/09/25 03:18 AM
                              IPFJoe Chang2007/09/25 09:11 AM
                                IPFlubemark2007/09/26 12:26 AM
                          Number of transistorsLinus Torvalds2007/09/24 11:07 AM
                            Number of transistorsRakesh Malik2007/09/24 11:50 AM
                              Number of transistorsLinus Torvalds2007/09/24 03:58 PM
                                Number of transistorsRakesh Malik2007/09/25 08:48 AM
                                  Number of transistorsLinus Torvalds2007/09/25 10:17 AM
                                    Number of transistorsJP2007/09/25 11:04 AM
                                      Number of transistorsRayiner Hashem2007/09/25 12:10 PM
                                      Number of transistorsLinus Torvalds2007/09/25 02:43 PM
                                        Number of transistorsJP2007/09/25 04:22 PM
                                          Number of transistorsRayiner Hashem2007/09/25 06:05 PM
                                            Number of transistorsJP2007/09/26 11:31 AM
                                              Number of transistorsLinus Torvalds2007/09/26 02:39 PM
                                                Number of transistorsJP2007/09/26 04:41 PM
                                                  Number of transistorsLinus Torvalds2007/09/26 05:26 PM
                                                    Number of transistorsAnil Maliyekkel2007/09/27 01:42 PM
                                                      Number of transistorsLinus Torvalds2007/09/27 06:46 PM
                                                        Number of transistorsDavid W. Hess2007/09/27 07:48 PM
                                                        Number of transistorsMichael S2007/09/28 06:03 AM
                                                        Number of transistorsnick2007/09/28 08:32 AM
                                                    Number of transistorsJP2007/09/27 04:19 PM
                                                      RAS ShmassMichael S2007/09/28 06:23 AM
                                                        RAS ShmassRichard Urich2007/09/28 08:45 AM
                                                          RAS Shmassanonymous2007/09/28 11:58 AM
                                                            RAS ShmassMichael S2007/09/29 04:02 PM
                                                              RAS Shmassblaine2007/09/30 10:10 AM
                                                            RAS ShmassAndi Kleen2007/10/01 01:00 AM
                                                              RAS ShmassMichael S2007/10/01 05:28 AM
                                                                RAS ShmassAndi Kleen2007/10/01 08:27 AM
                                                              RAS Shmassanonymous2007/10/01 06:01 AM
                                                                RAS ShmassAndi Kleen2007/10/01 08:19 AM
                                                      Number of transistorsRichard Urich2007/09/28 08:42 AM
                                                        Number of transistorsRakesh Malik2007/10/01 12:56 PM
                                                          Number of transistorsVincent Diepeveen2007/10/02 07:42 AM
                                                            Number of transistorsanon2007/10/02 08:26 PM
                                                              Number of transistorsMichael S2007/10/03 05:06 AM
                                                  There are others interested in a high RAS x86 partDoug Siebert2007/09/26 09:58 PM
                                                    There are others interested in a high RAS x86 partJP2007/09/26 11:29 PM
                                                    There are others interested in a high RAS x86 partAlex Jones2007/09/27 01:12 PM
                                                  Number of transistorsanonymous2007/09/27 12:10 AM
                                                    Number of transistorsJP2007/09/27 06:23 PM
                                                    RAS featuresDavid Kanter2007/09/28 01:47 AM
                                                      RAS featuresanonymous2007/09/28 03:14 AM
                                                        RAS featuresMichael S2007/09/28 07:18 AM
                                                        RAS featuresDavid Kanter2007/09/28 09:51 AM
                                                          RAS featuresanonymous2007/09/28 11:43 AM
                                              Number of transistorsRayiner Hashem2007/09/26 06:30 PM
                                        Number of transistorsAnonymous2007/09/25 07:30 PM
                                          Number of transistorsLinus Torvalds2007/09/26 07:51 AM
                                            Itanium 2 L1 caches technically clever?Paul A. Clayton2007/09/27 01:03 PM
                                          Number of transistorsRichard Urich2007/09/26 09:49 AM
                                        Number of transistorsKeith Fiske2007/09/25 08:35 PM
                                          Number of transistorsRichard Urich2007/09/26 10:44 AM
                                            Number of transistorsKeith Fiske2007/09/26 09:54 PM
                                    Number of transistorsFoo_2007/09/25 12:14 PM
                                      Number of transistorsRayiner Hashem2007/09/25 01:42 PM
                                        Number of transistorsFoo_2007/09/25 02:53 PM
                                          Number of transistorsMichael S2007/09/25 03:49 PM
                                            after Tukwila?Foo_2007/09/26 03:15 AM
                                              after Tukwila?Michael S2007/09/26 03:41 AM
                                                after Tukwila?lubemark2007/09/26 08:16 AM
                                          Number of transistorsRayiner Hashem2007/09/25 03:53 PM
                                            Number of transistorsJoe Chang2007/09/25 07:06 PM
                                              Number of transistorsshadow2007/09/25 07:51 PM
                                              Number of transistorsRayiner Hashem2007/09/25 08:30 PM
                                            Number of transistorssavantu2007/09/25 10:42 PM
                                              IPF and acres of siliconDavid Kanter2007/09/26 10:15 AM
                                            naivetyFoo_2007/09/26 03:18 AM
                                              naivetylubemark2007/09/26 08:28 AM
                                              naivetyRayiner Hashem2007/09/26 12:28 PM
                                                naivetyFoo_2007/09/27 11:18 AM
                                                  naivetyRayiner Hashem2007/09/27 11:50 AM
                                                    naivetyDean Kent2007/09/27 01:27 PM
                                                      naivetyRayiner Hashem2007/09/27 01:52 PM
                                                        naivetyJasonB2007/09/27 05:38 PM
                                                          naivetyJasonB2007/09/27 05:40 PM
                                                        naivetyDean Kent2007/09/27 07:35 PM
                                                          naivetyRayiner Hashem2007/09/27 11:51 PM
                                                            naivetyDean Kent2007/09/28 03:54 AM
                                                            naivetynick2007/09/28 01:44 PM
                                          Modern processDavid Kanter2007/09/25 08:57 PM
                                    Number of transistorsRakesh Malik2007/09/26 12:11 PM
                          Number of transistorsanonymous2007/09/24 12:22 PM
                    Torvalds quoteanonymous2007/10/01 11:47 AM
                    LOL that's a good one !AM2007/10/14 09:46 AM
                      LOL that's a good one !Dean Kent2007/10/14 10:39 AM
                        LOL that's a good one !ShaidarHaran2007/10/14 02:16 PM
              Number of transistorsanonymous2007/09/20 09:31 AM
          Number of transistorsanonymous2007/09/19 11:36 PM
            Number of transistorssavantu2007/09/20 01:22 AM
              Number of transistorsanonymous2007/09/20 07:12 AM
                Number of transistorsEuronymous2007/09/20 09:49 AM
        >4 issue width on x86 - feasible?Gabriele Svelto2007/09/19 11:21 PM
        ISA vs. ImplementationPeter Gerdes2007/10/08 03:51 AM
          ISA vs. ImplementationGabriele Svelto2007/10/08 04:43 AM
          ISA vs. Implementationhobold2007/10/08 05:02 AM
            ISA vs. ImplementationDaniel2007/10/08 07:44 AM
              ISA vs. ImplementationArun Ramakrishnan2007/10/09 06:10 AM
                ISA vs. Implementationanonymous2007/10/09 09:03 AM
                  ISA vs. ImplementationArun Ramakrishnan2007/10/09 09:39 AM
                ISA vs. ImplementationMichael S2007/10/09 09:05 AM
                  ISA vs. ImplementationArun Ramakrishnan2007/10/09 09:36 AM
                    ISA vs. ImplementationMichael S2007/10/09 01:21 PM
            ISA vs. ImplementationAnders Jensen2007/10/08 10:56 AM
              ISA vs. Implementationhobold2007/10/08 03:06 PM
                ISA vs. ImplementationAnil Maliyekkel2007/10/08 06:58 PM
                  Misinterpreting IBM's uarchDavid Kanter2007/10/08 08:56 PM
                    Misinterpreting IBM's uarchMichael S2007/10/09 02:21 AM
                      Misinterpreting IBM's uarchAnil Maliyekkel2007/10/09 09:34 AM
                        Misinterpreting IBM's uarchMichael S2007/10/09 04:25 PM
                    Misinterpreting IBM's uarchAnil Maliyekkel2007/10/09 07:28 AM
                      Misinterpreting IBM's uarchDavid Kanter2007/10/09 12:44 PM
                        Misinterpreting IBM's uarchAnil Maliyekkel2007/10/09 01:19 PM
                        Misinterpreting IBM's uarchrwessel2007/10/09 01:39 PM
                  ISA vs. ImplementationS. Rao2007/10/09 12:08 AM
                    ISA vs. ImplementationAnil Maliyekkel2007/10/09 09:04 AM
                      ISA vs. ImplementationS. Rao2007/10/17 10:23 PM
                Predication and SIMDAnders Jensen2007/10/17 12:21 AM
                  Predication and SIMDS. Rao2007/10/17 10:34 PM
              SMT assumes ILP-oriented corePaul A. Clayton2007/10/09 07:10 AM
          ISA vs. ImplementationLinus Torvalds2007/10/08 07:57 AM
            OoO and Register RenamingTom Hammond2007/10/08 03:44 PM
            ISA vs. ImplementationPeter Gerdes2007/10/15 07:33 PM
  >4 issue width on x86 - feasible?mpx2007/09/19 07:04 AM
    >4 issue width on x86 - feasible?Howard Chu2007/09/19 08:54 AM
    >4 issue width on x86 - feasible?Rayiner Hashem2007/09/19 04:20 PM
  >4 issue width on x86 - feasible?Jonathan Kang2007/09/20 05:54 AM
  >4 issue width on x86 - feasible?Wierdo2007/09/26 04:55 AM
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