[Cbe-oss-dev] PATCH [0/3] spusched enhancements

[Alex Chow]

Hi, is there a performance test suite to measure the overhead impact of
"over committed" case?

Thanks..
=======
Regards,

Alex Chunghen Chow


cbe-oss-dev-bounces+achow=us.ibm.com at ozlabs.org wrote on 10/24/2007
03:23:32 AM:

> Hi Luke,
>
> I like this a lot.  I remember we had some problems with pagefault
> handling with this idea, so we might have to look into that again.
>
> More detailed comments later.
>
> On Tue, Oct 23, 2007 at 11:09:02PM -0300, Luke Browning wrote:
> > Hi Arnd and Christoph,
> >
> > This patchset should significantly improve the performance of the
system
> > when the SPUs are over committed. I have tested these changes on the
> > simulator with good results. I can now run several instances of the
> > matrix multiplication testcase at the same time in a few minutes.
> >
> > I haven't tested 'isolated' spu contexts yet.
> >
> > Do you have a testcase for 'isolated' contexts?
>
> I think Jeremy's testsuite now has a testcase for it.
>
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