Messages in this thread |  | | | Date | Sat, 24 Jul 2004 08:41:30 -0400 | | From | Mark Lord <> | | Subject | Re: [linux-audio-dev] Re: [announce] [patch] Voluntary Kernel Preemption Patch |
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Note that the method used by hdparm tends to underreport achievable throughput somewhat, because it generally only ever has one I/O "in flight".
Cheers -- Mark Lord (hdparm keeper & the original "Linux IDE Guy")
Lee Revell wrote: > On Tue, 2004-07-20 at 08:19, Jens Axboe wrote: > >>On Tue, Jul 20 2004, Ingo Molnar wrote: >> >>>>How much I/O do you allow to be in flight at once? It seems like by >>>>decreasing the maximum size of I/O that you handle in one interrupt >>>>you could improve this quite a bit. Disk throughput is good enough, >>>>anyone in the real world who would feel a 10% hit would just throw >>>>hardware at the problem. ... > According to hdparm, the throughput is still quite good (42MB/sec on a > sub-$100 IDE drive).
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