<html><body>
<p>Hi, is there a performance test suite to measure the overhead impact of "over committed" case?<br>
<br>
Thanks..<br>
=======<br>
Regards,<br>
<br>
Alex Chunghen Chow<br>
<br>
<br>
<tt>cbe-oss-dev-bounces+achow=us.ibm.com@ozlabs.org wrote on 10/24/2007 03:23:32 AM:<br>
<br>
> Hi Luke,<br>
> <br>
> I like this a lot. I remember we had some problems with pagefault<br>
> handling with this idea, so we might have to look into that again.<br>
> <br>
> More detailed comments later.<br>
> <br>
> On Tue, Oct 23, 2007 at 11:09:02PM -0300, Luke Browning wrote:<br>
> > Hi Arnd and Christoph,<br>
> > <br>
> > This patchset should significantly improve the performance of the system<br>
> > when the SPUs are over committed. I have tested these changes on the<br>
> > simulator with good results. I can now run several instances of the<br>
> > matrix multiplication testcase at the same time in a few minutes. <br>
> > <br>
> > I haven't tested 'isolated' spu contexts yet. <br>
> > <br>
> > Do you have a testcase for 'isolated' contexts?<br>
> <br>
> I think Jeremy's testsuite now has a testcase for it.<br>
> <br>
> _______________________________________________<br>
> cbe-oss-dev mailing list<br>
> cbe-oss-dev@ozlabs.org<br>
> <a href="https://ozlabs.org/mailman/listinfo/cbe-oss-dev">https://ozlabs.org/mailman/listinfo/cbe-oss-dev</a><br>
</tt></body></html>