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DateWed, 28 Feb 2007 09:38:05 +0100
FromIngo Molnar <>
SubjectRe: A quick fio test (was Re: [patch 00/13] Syslets, "Threadlets", generic AIO support, v3)
* Jens Axboe <jens.axboe@oracle.com> wrote:

> Engine                Depth      Batch	Bw (KiB/sec)
> libaio		20000	   8		21,125
> syslet		20000	   8		19,610

i'd like to do something more about this to be more in line with libaio 
- if nothing else then for the bragging rights ;-) It seems to me that a 
drop of ~7% in throughput cannot be explained with any CPU overhead, it 
must be some sort of queueing + IO scheduling effect - right?

	Ingo
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