linux-kernel - Re: [PATCH 1/3] Make /dev/urandom scalable

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Message-ID: <87pp1a3uk8.fsf@tassilo.jf.intel.com>
Date:	Tue, 22 Sep 2015 16:25:59 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	tytso@....edu
Cc:	linux-kernel@...r.kernel.org, kirill.shutemov@...ux.intel.com,
	herbert@...dor.apana.org.au
Subject: Re: [PATCH 1/3] Make /dev/urandom scalable

Andi Kleen <andi@...stfloor.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@...ux.intel.com -- Speaking for myself only
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