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

Davide Libenzi
2007-02-26T21:40:33Z

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