<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED - 4-27% performance drop in Vulkan benchmarks" href="https://bugs.freedesktop.org/show_bug.cgi?id=109216#c16">Comment # 16</a> on <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED - 4-27% performance drop in Vulkan benchmarks" href="https://bugs.freedesktop.org/show_bug.cgi?id=109216">bug 109216</a> from <a class="email" href="mailto:idr@freedesktop.org" title="Ian Romanick <idr@freedesktop.org>"> Ian Romanick</a> <pre>(In reply to Eero Tamminen from <a href="show_bug.cgi?id=109216#c15">comment #15</a>) > (In reply to Ian Romanick from <a href="show_bug.cgi?id=109216#c14">comment #14</a>) > > Created <a href="attachment.cgi?id=143048" name="attach_143048" title="intel/compiler: Try nir_opt_if once before nir_opt_peephole_select">attachment 143048</a> <a href="attachment.cgi?id=143048&action=edit" title="intel/compiler: Try nir_opt_if once before nir_opt_peephole_select">[details]</a> <a href='page.cgi?id=splinter.html&bug=109216&attachment=143048'>[review]</a> [review] [review] > > intel/compiler: Try nir_opt_if once before nir_opt_peephole_select > > This patch fixes the smaller perf regressions in (nbody & raytracing) > compute tests, but it doesn't help at all with the largest regression, in > Deferred Multisampling. It appears that the inner loop still isn't getting unrolled because of the problem this patch should have resolved. I'll keep digging.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>