Messages in this thread |  | | | Date | Tue, 29 Jul 2008 22:04:16 +0900 | | From | KOSAKI Motohiro <> | | Subject | Re: PERF: performance tests with the split LRU VM in -mm |
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> TEST 1: dd if=/dev/sda of=/dev/null bs=1M > > kernel speed swap used > > 2.6.26 111MB/s 500kB > -mm 110MB/s 59MB (ouch, system noticably slower) > noforce 111MB/s 128kB > stream 108MB/s 0 (slight regression, not sure why yet)
I tried to reproduce it, my ia64 result was
kernel speed swap used 2.6.26-rc8 49.8MB/s 1M 2.6.26-rc8-mm1 47.6MB/s 168M -mm with above two patch 50.2MB/s 0
So, I think it isn't regression.
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