[sisyphus] Fw: changelogs for 2.4.17rc2aa2 and 2.2.20aa1

[Konstantin Volckov]

Hi!

Это сообщение промелькнуло в linux-kernel на vger.kernel.org. Из него
следует, что VM от Andrea (тот, который используется в наших ядрах) самый
крутой :-)

Begin forwarded message:

Date: Wed, 2 Jan 2002 09:05:47 -0500
From: rwhron на earthlink.net
To: linux-kernel на vger.kernel.org
Subject: changelogs for 2.4.17rc2aa2 and 2.2.20aa1



I put together these pages to help others understand 
what is in Andrea's kernels a little better.

http://home.earthlink.net/~rwhron/kernel/2.4.17rc2aa2.html
http://home.earthlink.net/~rwhron/kernel/2.2.20aa1.html

The pages are created from his patch diff logs.

I've stress tested and benchmarked 2.4.17rc2aa2 a lot and 
it's been very solid.  For a workload that creates a lot
of processes 2.4.17rc2aa2 has a definite edge.  This is
easiest to see in a couple unixbench tests:


                              2.4.17-mjc1  2.4.17rc2aa2   2.5.1-dj10
System Call Overhead             352361.7     362120.5    255809.4 lps
Process Creation                    817.5       2037.7      1212.0 lps
Execl Throughput                    265.8        458.4       316.5 lps

And lmbench; the highest and lowest results of 3 runs were dropped.

Processor, Processes - times in microseconds - smaller is better
----------------------------------------------------------------
OS           fork exec sh
             proc proc proc
------------ ---- ---- ----
2.4.17rc2aa2  745 2769 9583
  2.5.1-dj10  810 3504 11.K
 2.4.17-mjc1 1128 4244 12.K

Good stuff comes from a lot of sources, and I'm hoping some of
the tree maintainers will start cherry picking from Andrea's 
tree too.  :)

Note: mjc1 above was configured without preempt, rtsched
or lockbreak.

2.4.17rc2aa2 consistently does better at dbench too.
More results are at:
http://home.earthlink.net/~rwhron/kernel/repo.html

-- 
Randy Hron

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-- 
Успехов,
Konstantin
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