Zen 4 LD/ST enhancements that contribute to the IPC imprvement have nothing to do with AVX-512

By: Anon (no.delete@this.spam.com), August 31, 2022 2:24 pm
Room: Moderated Discussions
Adrian (a.delete@this.acm.org) on August 31, 2022 10:10 am wrote:
> Zen 4 supports AVX-512, therefore it *MUST* have 32 512-bit registers. There is no doubt about that.

It must have at least 64 256 bit registers, which Zen 3 already had, In all AMD CPUs supporting wider vector register then implemented they break the instruction in two uops, including Zen 1, I see no reason for they doing anything new this time.
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TopicPosted ByDate
Zen 4, AVX-512 support, 2 cycle execution timeanonymous22022/08/29 05:08 PM
  Zen 4, AVX-512 support, 2 cycle execution timeFreddie2022/08/29 05:32 PM
    Zen 4, AVX-512 support, 2 cycle execution timenoko2022/08/29 11:54 PM
    Zen 4, AVX-512 support, 2 cycle execution timeIvan2022/08/30 12:00 AM
  HPC code is moving to GPUs ...Mark Roulo2022/08/29 06:26 PM
    HPC code is moving to GPUs ...Adrian2022/08/30 01:12 AM
      HPC code is moving to GPUs ...me2022/08/30 08:17 AM
        HPC code is moving to GPUs ...Adrian2022/08/30 10:23 AM
          HPC code is moving to GPUs ...me2022/08/30 12:06 PM
            HPC code is moving to GPUs ...Anon2022/08/30 12:34 PM
              HPC code is moving to GPUs ...me2022/08/30 04:23 PM
          HPC code is moving to GPUs ...Björn Ragnar Björnsson2022/08/30 01:17 PM
  Zen 4, AVX-512 support, 2 cycle execution timeAdrian2022/08/30 12:45 AM
    Zen 4, AVX-512 support, 2 cycle execution timeMarcus2022/08/30 10:34 AM
  Zen 4 LD/ST enhancementsAdrian2022/08/31 01:25 AM
    Zen 4 LD/ST enhancements that contribute to the IPC imprvement have nothing to do with AVX-512Heikki Kultala2022/08/31 07:38 AM
      Zen 4 LD/ST enhancements that contribute to the IPC imprvement have nothing to do with AVX-512Marcus2022/08/31 08:55 AM
        Zen 4 LD/ST enhancements that contribute to the IPC imprvement have nothing to do with AVX-512Adrian2022/08/31 10:30 AM
          Zen 4 LD/ST enhancements that contribute to the IPC imprvement have nothing to do with AVX-512Ivan2022/09/01 02:21 AM
            The result is for 2-socket system, not single processorHeikki Kultala2022/09/01 08:31 AM
      Zen 4 LD/ST enhancements that contribute to the IPC imprvement have nothing to do with AVX-512Adrian2022/08/31 10:10 AM
        Zen 4 LD/ST enhancements that contribute to the IPC imprvement have nothing to do with AVX-512Anon2022/08/31 02:24 PM
          Zen 4 LD/ST enhancements that contribute to the IPC imprvement have nothing to do with AVX-512noko2022/08/31 03:21 PM
            Zen 4 LD/ST enhancements that contribute to the IPC imprvement have nothing to do with AVX-512Adrian2022/08/31 11:58 PM
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