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From: Andi Kleen <andi@firstfloor.org>
To: tytso@mit.edu
Cc: linux-kernel@vger.kernel.org, kirill.shutemov@linux.intel.com,
	herbert@gondor.apana.org.au
Subject: Re: [PATCH 1/3] Make /dev/urandom scalable
Date: Tue, 22 Sep 2015 16:25:59 -0700	[thread overview]
Message-ID: <87pp1a3uk8.fsf@tassilo.jf.intel.com> (raw)
In-Reply-To: <1442963767-14945-1-git-send-email-andi@firstfloor.org> (Andi Kleen's message of "Tue, 22 Sep 2015 16:16:05 -0700")

Andi Kleen <andi@firstfloor.org> writes:
>
> With the patchkit applied:
>
> 1 node:  1x
> 2 nodes: 2x
> 3 nodes: 3.4x
> 4 nodes: 6x

Sorry there was a typo in the numbers. Correct results are:

With the patchkit applied:

    1 node:  1x
    2 nodes: 2x
    3 nodes: 2.4x
    4 nodes: 3x

So it's not quite linear scalability, but 3x maximum throughput
is already a lot better.
        


-- 
ak@linux.intel.com -- Speaking for myself only

  parent reply	other threads:[~2015-09-22 23:26 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-22 23:16 [PATCH 1/3] Make /dev/urandom scalable Andi Kleen
2015-09-22 23:16 ` [PATCH 2/3] random: Make input to output pool balancing per cpu Andi Kleen
2015-09-22 23:16 ` [PATCH 3/3] random: Add pool name to urandom_read trace point Andi Kleen
2015-09-22 23:25 ` Andi Kleen [this message]
2015-09-23 10:32 ` [PATCH 1/3] Make /dev/urandom scalable Rasmus Villemoes
2015-09-23 21:54   ` Andi Kleen
2015-09-23 19:40 ` Austin S Hemmelgarn
2015-09-23 23:28   ` Andi Kleen
2015-09-24 11:37     ` Austin S Hemmelgarn
2015-09-24 13:12       ` Theodore Ts'o
2015-09-24 16:00         ` Austin S Hemmelgarn
2015-09-24 16:52           ` Jeff Epler
2015-09-24 19:11             ` Austin S Hemmelgarn
2015-09-24 20:00               ` Jeff Epler
2015-09-24 20:14               ` Theodore Ts'o
2015-09-25 11:41                 ` Austin S Hemmelgarn
2015-09-25 19:07                   ` Austin S Hemmelgarn
2015-09-25 20:24                     ` Theodore Ts'o
2015-09-29 12:06                       ` Austin S Hemmelgarn
2015-09-29 11:57                     ` Austin S Hemmelgarn
2015-09-23 21:10 ` Theodore Ts'o
2015-09-23 21:25   ` Andi Kleen
2015-09-24 17:19 Updated scalable urandom patchkit Andi Kleen
2015-09-24 17:19 ` [PATCH 1/3] Make /dev/urandom scalable Andi Kleen
2015-09-30 14:40   ` Rasmus Villemoes
2015-10-06 22:05 Andi Kleen
2016-02-10 23:01 Scalable random patchkit revisited Andi Kleen
2016-02-10 23:01 ` [PATCH 1/3] Make /dev/urandom scalable Andi Kleen
2016-03-01  5:17 Andi Kleen

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