Re: [Qemu-devel] Re: sparc64 lazy conditional codes evaluation

[Mark Cave-Ayland]

Blue Swirl wrote:

> Guest time can be unreliable, it could also indicate that Linux
> executes a lot more timer interrupts. Could you retest and measure the
> wall clock time?
>
> I think the C flag change should only increase performance. The next
> commit may have negative effects because more work is done every
> interrupt, but it's also more correct now.

Hmmm looks like you're right. I did a few more tests measuring wall 
clock time and averaging across a set of runs gives roughly the same 
time (although there does seem to be quite a bit of variation in 
resulting times on my system here). So nothing to worry about here.


ATB,

Mark.

--
Mark Cave-Ayland - Senior Technical Architect
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