[Bug 109216] 4-27% performance drop in Vulkan benchmarks

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Feb 8 00:26:28 UTC 2019


--- Comment #24 from Ian Romanick <idr at freedesktop.org> ---
(In reply to Jason Ekstrand from comment #23)
> I'm beginning to think we need to just revert the offending patch on the
> 19.0 branch.  There are solutions to the problem but they involve either
> reworking NIR loops to have explicit continue blocks or very tricky
> optimizations.  Neither of those (especially not the former) is something
> that I'd be super-excited to back-port.

There is a mostly reviewed MR that I just need to finish.  I'm really, sorry
but since I've been back from FOSDEM, I've been very ill.  If this was such a
pressing issue for you, you could have also reviewed that patch series when I
sent it out and tagged you on it. :(

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