Messages in this thread | | | Date | Wed, 2 Jan 2002 09:05:47 -0500 | Subject | changelogs for 2.4.17rc2aa2 and 2.2.20aa1 | From | rwhron@earthlin ... |
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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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