Messages in this thread | | | Date | Wed, 9 Jan 2002 00:19:21 -0500 | Subject | Re: 2.4.18pre2aa1 | From | rwhron@earthlin ... |
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> I also couldn't resist to add the dyn_sched because I'm dealing with > servers that needs to run 2k tasks (with only a few of them running at > the same time loading cpu), so there the reclaculate loop was evil and > the change is simple enough to be kind of obviously correct (btw: I also
Something has made a dramatic change in dbench throughput:
2.4.18pre2aa2 Throughput 23.4521 MB/sec (NB=29.3152 MB/sec 234.521 MBit/sec) 64 procs 2.4.17rc2aa2 Throughput 19.6605 MB/sec (NB=24.5756 MB/sec 196.605 MBit/sec) 64 procs 2.4.18pre2 Throughput 12.1986 MB/sec (NB=15.2483 MB/sec 121.986 MBit/sec) 64 procs
2.4.18pre2aa2 Throughput 18.6495 MB/sec (NB=23.3119 MB/sec 186.495 MBit/sec) 128 procs 2.4.17rc2aa2 Throughput 14.1212 MB/sec (NB=17.6515 MB/sec 141.212 MBit/sec) 128 procs 2.4.18pre2 Throughput 8.00551 MB/sec (NB=10.0069 MB/sec 80.0551 MBit/sec) 128 procs
2.4.18pre2aa2 Throughput 9.79641 MB/sec (NB=12.2455 MB/sec 97.9641 MBit/sec) 192 procs 2.4.18pre2 Throughput 8.09211 MB/sec (NB=10.1151 MB/sec 80.9211 MBit/sec) 192 procs 2.4.17rc2aa2 Throughput 5.80232 MB/sec (NB=7.2529 MB/sec 58.0232 MBit/sec) 192 procs
Some more test results for recent kernels are at: http://home.earthlink.net/~rwhron/kernel/repo.html
> URL: > > ftp://ftp.us.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.4/2.4.18pre2aa1.bz2
Based on the diff logs, here is a history of changes going into 2.4.18pre2aa1: http://home.earthlink.net/~rwhron/kernel/2.4.18pre2aa1.html
-- Randy Hron
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