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

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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
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[PATCH 1/3] Make /dev/urandom scalable Andi Kleen <andi@firstfloor.org> - 2015-09-23 01:20 +0200
  [PATCH 2/3] random: Make input to output pool balancing per cpu Andi Kleen <andi@firstfloor.org> - 2015-09-23 01:20 +0200
  Re: [PATCH 1/3] Make /dev/urandom scalable Andi Kleen <andi@firstfloor.org> - 2015-09-23 01:30 +0200
  Re: [PATCH 1/3] Make /dev/urandom scalable Rasmus Villemoes <linux@rasmusvillemoes.dk> - 2015-09-23 12:40 +0200
    Re: [PATCH 1/3] Make /dev/urandom scalable Andi Kleen <andi@firstfloor.org> - 2015-09-24 00:00 +0200
  Re: [PATCH 1/3] Make /dev/urandom scalable Austin S Hemmelgarn <ahferroin7@gmail.com> - 2015-09-23 21:50 +0200
    Re: [PATCH 1/3] Make /dev/urandom scalable Andi Kleen <andi@firstfloor.org> - 2015-09-24 01:30 +0200
      Re: [PATCH 1/3] Make /dev/urandom scalable Austin S Hemmelgarn <ahferroin7@gmail.com> - 2015-09-24 13:40 +0200
        Re: [PATCH 1/3] Make /dev/urandom scalable Theodore Ts'o <tytso@mit.edu> - 2015-09-24 15:20 +0200
          Re: [PATCH 1/3] Make /dev/urandom scalable Austin S Hemmelgarn <ahferroin7@gmail.com> - 2015-09-24 18:10 +0200
            Re: [PATCH 1/3] Make /dev/urandom scalable Jeff Epler <jepler@unpythonic.net> - 2015-09-24 19:00 +0200
              Re: [PATCH 1/3] Make /dev/urandom scalable Austin S Hemmelgarn <ahferroin7@gmail.com> - 2015-09-24 21:20 +0200
                Re: [PATCH 1/3] Make /dev/urandom scalable Jeff Epler <jepler@unpythonic.net> - 2015-09-24 22:10 +0200
                Re: [PATCH 1/3] Make /dev/urandom scalable Theodore Ts'o <tytso@mit.edu> - 2015-09-24 22:20 +0200
                Re: [PATCH 1/3] Make /dev/urandom scalable Austin S Hemmelgarn <ahferroin7@gmail.com> - 2015-09-25 13:50 +0200
                Re: [PATCH 1/3] Make /dev/urandom scalable Austin S Hemmelgarn <ahferroin7@gmail.com> - 2015-09-25 21:10 +0200
                Re: [PATCH 1/3] Make /dev/urandom scalable Theodore Ts'o <tytso@mit.edu> - 2015-09-25 22:30 +0200
                Re: [PATCH 1/3] Make /dev/urandom scalable Austin S Hemmelgarn <ahferroin7@gmail.com> - 2015-09-29 14:10 +0200
                Re: [PATCH 1/3] Make /dev/urandom scalable Austin S Hemmelgarn <ahferroin7@gmail.com> - 2015-09-29 14:00 +0200
  Re: [PATCH 1/3] Make /dev/urandom scalable Theodore Ts'o <tytso@mit.edu> - 2015-09-23 23:20 +0200
    Re: [PATCH 1/3] Make /dev/urandom scalable Andi Kleen <ak@linux.intel.com> - 2015-09-23 23:30 +0200

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