From: Chris Worley <worleys@gmail.com>
To: Ganapatrao Kulkarni <gpkulkarni@gmail.com>
Cc: linux-numa@vger.kernel.org
Subject: Re: Memory latency tests on NUMA
Date: Sun, 14 Dec 2014 06:10:09 -1000 [thread overview]
Message-ID: <CANWz5fjCirpRHduYzHZExhYA+aKKaWzzn1fKq+y3Bsn4-NHDeg@mail.gmail.com> (raw)
In-Reply-To: <CAFpQJXV5C_bQ9MHCtZKN9452zBkSgdq8DqgF_pQ+cekNDvGUKQ@mail.gmail.com>
I've always used "stream" (http://www.cs.virginia.edu/stream/) to
measure NUMA memory throughput, but it doesn't measure latency. You'd
be surprised how many systems and memory configurations don't get peak
performance.
On Sat, Dec 13, 2014 at 3:30 PM, Ganapatrao Kulkarni
<gpkulkarni@gmail.com> wrote:
> Hi,
>
> are there any tests which we can run to get the inter node memory
> read/write latency on numa system.
>
> is lmbench works well with NUMA kernel, if i a use with numactl command?
> any one tried?
>
> thanks
> ganapat
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prev parent reply other threads:[~2014-12-14 16:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-14 1:30 Memory latency tests on NUMA Ganapatrao Kulkarni
2014-12-14 16:10 ` Chris Worley [this message]
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