Re: A quick fio test (was Re: [patch 00/13] Syslets, "Threadlets", generic AIO support, v3)

On Fri, Feb 23, 2007 at 01:52:47PM +0100, Jens Axboe wrote:
> Results:
> 
> Engine          Depth           Bw (MiB/sec)
> --------------------------------------------
> libaio            1             441
> syslet            1             574
> sync              1             589
> libaio           32             613
> syslet           32             681

	Can we get runs with large I/Os, large I/O depths, and most
importantly tons of processes?  I can absolutely believe that syslets
would compete well with one process on the system.  But with 1000
processes doing 1000s of blocking I/Os, I'd really be interested to see
how that plays out.

Joel

-- 

 Joel's Second Law:

	If a code change requires additional user setup, it is wrong.

Joel Becker
Principal Software Developer
Oracle
E-mail: [email protected]
Phone: (650) 506-8127
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