On Fri, 2005-07-08 at 10:06 +1000, Grant Coady wrote: > I've not been able to get dual channel I/O speed faster than single > interface speed, either as 'md' RAID0 or simultaneous reading or > writing done the other day: > > Time to write or read 500MB file: > > >summary 2.4.31-hf1 2.6.12.2 > >boxen \ time -> w r w r > >--------------- ---- ---- ---- ---- > ... > >peetoo 33 20 26.5 22 > >(simultaneuous 57 37.5 52 38.5) > > MB/s 2.4.31-hf1 2.6.12.2 > w r w r > single 15 25 19 23 > dual 17.5 27 19 26 > > These timings show very little happening in parallel, is that normal?
"me too" ;-)
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