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Re: [PATCH 2/2 v2] perf bench futex: add NUMA support

From Davidlohr Bueso <dave@stgolabs.net>
Newsgroups linux.kernel
Subject Re: [PATCH 2/2 v2] perf bench futex: add NUMA support
Date 2016-10-19 20:20 +0200
Message-ID <su3D4-4Wo-11@gated-at.bofh.it> (permalink)
References (1 earlier) <ssYYO-1qy-17@gated-at.bofh.it> <sthf4-4Gc-31@gated-at.bofh.it> <sthI6-55T-29@gated-at.bofh.it> <sthI6-55T-37@gated-at.bofh.it> <stib7-5fR-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Mon, 17 Oct 2016, Sebastian Andrzej Siewior wrote:

>By default the application uses malloc() and all available CPUs. This
>patch introduces NUMA support which means:
>- memory is allocated node local via numa_alloc_local()
>- all CPUs of the specified NUMA node are used. This is also true if the
>  number of threads set is greater than the number of CPUs available on
>  this node.

Can't we just use numactl to bind cpus and memory to be node-local?

Thanks,
Davidlohr

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Thread

[PATCH 1/2] perf bench futex: cache align the worer struct Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-10-16 21:10 +0200
  [PATCH 2/2] perf bench futex: add NUMA support Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-10-16 21:10 +0200
    Re: [PATCH 2/2] perf bench futex: add NUMA support Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-10-17 16:40 +0200
      Re: [PATCH 2/2] perf bench futex: add NUMA support Jiri Olsa <jolsa@redhat.com> - 2016-10-17 17:10 +0200
        Re: [PATCH 2/2] perf bench futex: add NUMA support Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-10-17 17:10 +0200
          [PATCH 2/2 v2] perf bench futex: add NUMA support Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-10-17 17:40 +0200
            Re: [PATCH 2/2 v2] perf bench futex: add NUMA support Davidlohr Bueso <dave@stgolabs.net> - 2016-10-19 20:20 +0200
              Re: [PATCH 2/2 v2] perf bench futex: add NUMA support Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-10-19 20:40 +0200
                Re: [PATCH 2/2 v2] perf bench futex: add NUMA support Davidlohr Bueso <dave@stgolabs.net> - 2016-10-21 04:40 +0200
            Re: [PATCH 2/2 v2] perf bench futex: add NUMA support Davidlohr Bueso <dave@stgolabs.net> - 2016-10-21 05:10 +0200
  Re: [PATCH 1/2] perf bench futex: cache align the worer struct Davidlohr Bueso <dave@stgolabs.net> - 2016-10-18 03:20 +0200
    Re: [PATCH 1/2] perf bench futex: cache align the worer struct Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-10-19 16:40 +0200
      [PATCH] perf/bench-futex: Avoid worker cacheline bouncing Davidlohr Bueso <dave@stgolabs.net> - 2016-10-19 20:10 +0200
        Re: [PATCH] perf/bench-futex: Avoid worker cacheline bouncing Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-10-19 20:20 +0200
          Re: [PATCH] perf/bench-futex: Avoid worker cacheline bouncing Davidlohr Bueso <dave@stgolabs.net> - 2016-10-19 20:50 +0200
  [tip:perf/core] perf bench futex: Cache align the worker struct tip-bot for Sebastian Andrzej Siewior <tipbot@zytor.com> - 2016-10-24 21:10 +0200

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