uarch-bench latency test

By: Travis (travis.downs.delete@this.gmail.com), May 18, 2018 7:51 am
Room: Moderated Discussions
Foo_ (foo.delete@this.nomail.com) on May 18, 2018 4:05 am wrote:
> Doesn't work on Ryzen:
>
> $ sudo ./uarch-bench.sh --test-name=memory/load-serial/*
> Driver: acpi-cpufreq, governor: performance
> Vendor ID:
> Model name: AMD Ryzen 7 1700 Eight-Core Processor
> Does not support intel_pstate
> setting turbo state for cores 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
> Original no_turbo state:
> wrmsr: CPU 0 cannot set MSR 0x000001a0 to 0x0000004000850089
>

Can you run it as ./uarch-bench rather than ./uarch-bench.sh ? The latter is a wrapper script that tries to disable turbo mode, among other things, but this doesn't work on AMD (if anyone knows how to disable turbo on AMD I'd like to add this functionality).
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TopicPosted ByDate
measuring cache latency is hard :-/hobold2018/05/17 08:54 AM
  measuring cache latency is hard :-/Michael_S2018/05/17 09:33 AM
    measuring cache latency is hard :-/hobold2018/05/17 10:00 AM
      measuring cache latency is hard :-/Michael S2018/05/17 11:57 AM
        measuring cache latency is hard :-/hobold2018/05/17 07:28 PM
  measuring cache latency is hard :-/Linus Torvalds2018/05/17 10:53 AM
    measuring cache latency is hard :-/anon2018/05/17 06:44 PM
      measuring cache latency is hard :-/Travis2018/05/17 07:01 PM
        Misread it, thank you (NT)anon2018/05/17 07:17 PM
  measuring cache latency is hard :-/juanrga2018/05/17 12:37 PM
    measuring cache latency is hard :-/hobold2018/05/17 07:50 PM
      measuring cache latency is hard :-/juanrga2018/05/20 03:07 AM
        measuring cache latency is hard :-/hobold2018/05/20 02:05 PM
  measuring cache latency is hard :-/Travis2018/05/17 06:09 PM
    note that this effect does not persist across reboot (NT)Travis2018/05/17 06:10 PM
  measuring cache latency is hard :-/Travis2018/05/17 06:57 PM
  uarch-bench latency testTravis2018/05/17 11:37 PM
    uarch-bench latency testAdrian2018/05/18 12:31 AM
      uarch-bench latency testTravis2018/05/18 01:00 AM
        uarch-bench latency testAdrian2018/05/18 04:31 AM
          uarch-bench latency testAdrian2018/05/18 04:47 AM
            uarch-bench latency testTravis2018/05/18 07:01 PM
              uarch-bench latency testAdrian2018/05/18 09:23 PM
    uarch-bench latency testFoo_2018/05/18 04:05 AM
      uarch-bench latency testTravis2018/05/18 07:51 AM
        uarch-bench latency testFoo_2018/05/18 07:57 AM
          uarch-bench latency testTravis2018/05/18 07:10 PM
            uarch-bench latency testbakaneko2018/05/19 02:24 AM
              uarch-bench latency testbakaneko2018/05/19 02:30 AM
                uarch-bench latency testTravis2018/05/19 08:28 PM
                  thanks for the link to the code converterbakaneko2018/05/20 06:37 AM
              uarch-bench latency testTravis2018/05/19 08:35 PM
                uarch-bench latency testbakaneko2018/05/20 07:25 AM
                  uarch-bench latency testTravis2018/05/20 10:58 AM
                  Zen+ compared to SkylakeTravis2018/05/20 01:38 PM
                    Zen+ compared to SkylakeLinus Torvalds2018/05/20 03:18 PM
                      Zen+ compared to SkylakeTravis2018/05/20 07:45 PM
                      L0 scratchpad archBrett2018/05/20 08:00 PM
                        L0 scratchpad archanon2018/05/20 09:52 PM
                        Loads cost 10 times the power of floating point math?Michael_S2018/05/21 01:07 AM
                          Loads cost 10 times the power of floating point math?Maynard Handley2018/05/21 02:09 PM
                            Another random internet contribution ...Mark Roulo2018/05/21 04:39 PM
                              Another random internet contribution ...Brett2018/05/27 02:22 PM
                                Another random internet contribution ...Jacob Marley2018/05/27 02:58 PM
                                  Another random internet contribution ...Brett2018/05/27 10:05 PM
                                    Small allocations do not dictate 16 byte is bestBrett2018/05/27 10:32 PM
                                      Small allocations do not dictate 16 byte is bestGabriele Svelto2018/05/28 12:25 AM
                                    Another random internet contribution ...Jacob Marley2018/05/28 01:34 AM
                                Another random internet contribution ...wumpus2018/05/27 04:05 PM
                            Loads cost 10 times the power of floating point math?Michael_S2018/05/22 03:10 AM
                              Loads cost 10 times the power of floating point math?dmcq2018/05/22 05:41 AM
                                Loads cost 10 times the power of floating point math?Travis2018/05/22 10:44 PM
                                  Loads cost 10 times the power of floating point math?dmcq2018/05/23 03:37 AM
                                    Loads cost 10 times the power of floating point math?Travis2018/05/23 10:55 AM
                        L0 scratchpad archwumpus2018/05/21 08:41 AM
                          L0 scratchpad archBrett2018/05/21 10:22 PM
                      Zen+ compared to SkylakeVoxilla2018/05/22 12:16 AM
                    Zen+ compared to Skylakeitsmydamnation2018/05/20 03:25 PM
                      Zen+ compared to SkylakeBigos2018/05/20 04:40 PM
                    Zen+ compared to Skylakebakaneko2018/05/20 05:04 PM
                      Zen+ compared to SkylakeTravis2018/05/20 07:59 PM
                        Zen+ compared to Skylakeanon2018/05/21 01:44 AM
                        Zen+ compared to SkylakeHeikki Kultala2018/05/21 01:41 PM
                          Zen+ compared to SkylakeTravis2018/05/21 02:52 PM
                            Zen+ compared to SkylakeJeff S.2018/05/22 07:28 AM
                              *typo*Jeff S.2018/05/22 12:49 PM
          uarch-bench latency testTravis2018/05/20 12:11 PM
        Disabling p-states on RyzenFoo_2018/05/18 08:03 AM
          Disabling p-states on RyzenTravis2018/05/18 07:28 PM
            Disabling p-states on RyzenFoo_2018/05/19 09:36 AM
              Disabling p-states on RyzenTravis2018/05/19 08:15 PM
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