12:30 "[ISA] do not matter very much"

By: Anon (no.delete@this.spam.com), February 24, 2021 8:44 am
Room: Moderated Discussions
none (none.delete@this.none.com) on February 23, 2021 7:37 am wrote:
> So Intel doesn't care about the most common memory operation? Are they that incompetent? Or
> is it just that it is quite difficult to make it fast?

I don't know what happens at Intel, they invent a lot new instructions every new CPU often with shit implementations as for example gather and dot product.

In those cases there were CPUs from other archtectures which implemented well those instructions, but on Intel CPUs they were so crap that you would be better at ignoring then, so why did Intel added those instructions? Why they spend resources to create those instructions but didn't put enough effort to make those instructions usable?

And I think it is the same reason for rep movsb.

My best guess is that Intel planing is done by monkeys.
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TopicPosted ByDate
New Lex Fridman interview with Jim KellerJohnG2021/02/19 11:25 PM
  12:30 "[ISA] do not matter very much" (NT)Moritz2021/02/20 09:45 AM
    AAARGH, what are we going to argue about then? (NT)j2021/02/20 02:43 PM
    Blasphemy! (NT):]2021/02/21 04:49 AM
    12:30 "[ISA] do not matter very much"anon22021/02/21 10:25 PM
      12:30 "[ISA] do not matter very much"Brett2021/02/21 11:59 PM
        12:30 "[ISA] do not matter very much"Etienne Lorrain2021/02/22 01:17 AM
      12:30 "[ISA] do not matter very much"Dummond D. Slow2021/02/22 08:57 AM
        12:30 "[ISA] do not matter very much"Anon2021/02/22 10:52 AM
          12:30 "[ISA] do not matter very much"juanrga2021/02/22 11:01 AM
          12:30 "[ISA] do not matter very much"Mark Roulo2021/02/22 11:54 AM
          ARM being a good idea doesn't mean it would have worked for AMDDummond D. Slow2021/02/22 01:34 PM
            ARM being a good idea doesn't mean it would have worked for AMDAnon2021/02/22 03:25 PM
              ARM being a good idea doesn't mean it would have worked for AMDDummond D. Slow2021/02/22 04:55 PM
                ARM being a good idea doesn't mean it would have worked for AMDDoug S2021/02/23 12:03 PM
                  ARM being a good idea doesn't mean it would have worked for AMDDummond D. Slow2021/02/23 12:27 PM
                    ARM being a good idea doesn't mean it would have worked for AMDBrett2021/02/23 03:57 PM
                      3rd parties licensing ARM coresAnon2021/02/25 04:01 AM
                        3rd parties licensing ARM coresAnon2021/02/25 04:48 AM
                        3rd parties licensing ARM coresdmcq2021/02/25 06:01 AM
                          3rd parties licensing ARM coresDummond D. Slow2021/02/25 09:17 AM
                            3rd parties licensing ARM coresAnon2021/02/25 10:11 AM
                              3rd parties licensing ARM coresAnon2021/02/26 02:54 AM
                              3rd parties licensing ARM coresDummond D. Slow2021/02/26 10:01 AM
            ARM being a good idea doesn't mean it would have worked for AMDLinus Torvalds2021/02/22 05:06 PM
              ARM being a good idea doesn't mean it would have worked for AMDDummond D. Slow2021/02/22 07:19 PM
              ARM being a good idea doesn't mean it would have worked for AMDanon22021/02/22 07:28 PM
              ARM being a good idea doesn't mean it would have worked for AMDdmcq2021/02/23 05:35 AM
                ARM being a good idea doesn't mean it would have worked for AMDJukka Larja2021/02/23 07:12 AM
                  ARM being a good idea doesn't mean it would have worked for AMDSimon Farnsworth2021/02/23 08:42 AM
                    ARM being a good idea doesn't mean it would have worked for AMDJukka Larja2021/02/24 06:03 AM
                ARM may have been a threat to Intelwumpus2021/02/23 08:30 AM
      12:30 "[ISA] do not matter very much"blaine2021/02/22 09:37 AM
        12:30 "[ISA] do not matter very much"anon22021/02/22 07:17 PM
          12:30 "[ISA] do not matter very much"Anon2021/02/23 03:05 AM
            12:30 "[ISA] do not matter very much"Wilco2021/02/23 03:48 AM
              12:30 "[ISA] do not matter very much"Bigos2021/02/23 03:55 AM
                12:30 "[ISA] do not matter very much"Wilco2021/02/23 04:15 AM
                  12:30 "[ISA] do not matter very much"Bigos2021/02/23 05:16 AM
                12:30 "[ISA] do not matter very much"Travis Downs2021/02/26 11:46 PM
              12:30 "[ISA] do not matter very much"Anon2021/02/23 06:26 AM
                12:30 "[ISA] do not matter very much"anon22021/02/23 04:35 PM
                  12:30 "[ISA] do not matter very much"Anon2021/02/24 07:57 AM
                12:30 "[ISA] do not matter very much"Wilco2021/02/24 04:37 AM
                  12:30 "[ISA] do not matter very much"Etienne Lorrain2021/02/24 06:24 AM
                    12:30 "[ISA] do not matter very much"Anon2021/02/24 08:11 AM
                    12:30 "[ISA] do not matter very much"rwessel2021/02/24 08:45 AM
                      12:30 "[ISA] do not matter very much"Etienne Lorrain2021/02/25 01:02 AM
                        12:30 "[ISA] do not matter very much"rwessel2021/02/25 04:51 AM
                        12:30 "[ISA] do not matter very much"Anon2021/02/25 04:53 AM
                  12:30 "[ISA] do not matter very much"Anon2021/02/24 08:07 AM
                    12:30 "[ISA] do not matter very much"Wilco2021/02/24 11:37 AM
                      runtime selection vs. heterogenous cores?Matt Sayler2021/02/24 06:10 PM
                        runtime selection vs. heterogenous cores?Wilco2021/02/26 05:22 AM
            12:30 "[ISA] do not matter very much"anon22021/02/23 04:20 AM
              12:30 "[ISA] do not matter very much"Anon2021/02/23 06:21 AM
                12:30 "[ISA] do not matter very much"none2021/02/23 07:37 AM
                  12:30 "[ISA] do not matter very much"rwessel2021/02/23 09:44 AM
                    12:30 "[ISA] do not matter very much"anon22021/02/23 04:30 PM
                      12:30 "[ISA] do not matter very much"Anon2021/02/24 08:25 AM
                        12:30 "[ISA] do not matter very much"anon.12021/02/25 06:13 AM
                  12:30 "[ISA] do not matter very much"Anon2021/02/24 08:44 AM
                12:30 "[ISA] do not matter very much"anon22021/02/23 03:51 PM
                  12:30 "[ISA] do not matter very much"Anon2021/02/24 08:31 AM
            12:30 "[ISA] do not matter very much"vvid2021/02/23 06:41 AM
              12:30 "[ISA] do not matter very much"Michael S2021/02/23 08:52 AM
                12:30 "[ISA] do not matter very much"rwessel2021/02/23 09:33 AM
                  12:30 "[ISA] do not matter very much"Linus Torvalds2021/02/23 11:44 AM
                    12:30 "[ISA] do not matter very much"rwessel2021/02/23 12:21 PM
                      12:30 "[ISA] do not matter very much"Linus Torvalds2021/02/23 12:30 PM
                        12:30 "[ISA] do not matter very much"Andrey2021/02/25 03:06 AM
                          12:30 "[ISA] do not matter very much"Anon2021/02/25 05:04 AM
                            12:30 "[ISA] do not matter very much"Andrey2021/02/25 05:54 AM
                              12:30 "[ISA] do not matter very much"Anon2021/02/25 06:33 AM
                          12:30 "[ISA] do not matter very much"Linus Torvalds2021/02/25 10:35 AM
                            12:30 "[ISA] do not matter very much"Andrey2021/02/25 01:34 PM
                              12:30 "[ISA] do not matter very much"Etienne Lorrain2021/02/26 01:18 AM
                              12:30 "[ISA] do not matter very much"dmcq2021/02/26 03:23 PM
                12:30 "[ISA] do not matter very much"Anon2021/02/24 08:45 AM
              12:30 "[ISA] do not matter very much"Gabriele Svelto2021/02/23 09:15 AM
          Context of ISA doesn't matterPaul A. Clayton2021/02/26 12:03 PM
  Is there a text version? (NT)Foo_2021/02/20 04:33 PM
    good question (NT)Michael S2021/02/21 04:31 AM
    Is there a text version?:]2021/02/21 10:34 AM
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