[Bug 34493] r600g performance regression introduced by 467023e8 ( Marek Olšák : r600g: use the same upload buffer for vertices, indices, and constants)

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Mar 1 20:01:16 PST 2011


--- Comment #6 from Dave Witbrodt <dawitbro at sbcglobal.net> 2011-03-01 20:01:16 PST ---
(In reply to comment #5)
> It's very useful to report performance regressions. Just in this case, it's not
> obvious to me what's wrong with the commit. There are not many developers, so
> it might be hard to get attention quickly especially if it's not a
> show-stopper, but developers usually read bug reports and, thanks to that, are
> aware of existing issues.

OK, thanks for the clarification.

I will continue my local testing of Mesa master and my own branch with any
problem commits I find reverted -- as long as I am able, I mean.

In the coming weeks I should finally be finding time to begin learning the
code.  Maybe this sort of testing -- profiling, identifying code changes that
affect performance, and explaining the reason for those effects -- will be my
way of learning the code base.

FTR, by pointing out performance problems I find, I am not seeking immediate
fixes or attention for those particular problems.  I am merely hoping to
provide info to developers, in case the info is important.  Mesa actually works
fine for me from master... just 1/3 slower.  ;)

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