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

[Davide Libenzi]

On Mon, 26 Feb 2007, Jens Axboe wrote:

> 
> Some more results, using a larger number of processes and io depths. A
> repeat of the tests from friday, with added depth 20000 for syslet and
> libaio:
> 
> Engine          Depth   Processes       Bw (MiB/sec)
> ----------------------------------------------------
> libaio            1         1            602
> syslet            1         1            759
> sync              1         1            776
> libaio           32         1            832
> syslet           32         1            898
> libaio        20000         1            581
> syslet        20000         1            609

That looks great! IMO there may be a little higher cost associated with 
the syslets thread switches, that we currently do not perform 100% 
cleanly, but results look nevertheless awesome.



- Davide


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