We have multiple perf regressions on butterfly: https://chromeperf.appspot.com/report?masters=ChromeOS_Graphics&bots=cros-butterfly&tests=graphics_GLMark2%2Fbuffer.columns_200.interleave_false.update-dispersion_0.9.update-fraction_0.5.update-method_map&checked=buffer.columns_200.interleave_false.update-dispersion_0.9.update-fraction_0.5.update-method_map%2Cbuffer.columns_200.interleave_false.update-dispersion_0.9.update-fraction_0.5.update-method_map_ref%2Cref&rev=31540000973500000 https://chromeperf.appspot.com/report?masters=ChromeOS_Graphics&bots=cros-butterfly&tests=graphics_GLMark2%2Fbuild.use-vbo_true&checked=build.use-vbo_true%2Cbuild.use-vbo_true_ref%2Cref&rev=31540000973500000 https://chromeperf.appspot.com/report?masters=ChromeOS_Graphics&bots=cros-butterfly&tests=graphics_GLMark2%2Fbuild.use-vbo_true&checked=build.use-vbo_true%2Cbuild.use-vbo_true_ref%2Cref&rev=31540000973500000 https://chromeperf.appspot.com/report?masters=ChromeOS_Graphics&bots=cros-butterfly&tests=graphics_GLMark2%2Fbuffer.columns_200.interleave_false.update-dispersion_0.9.update-fraction_0.5.update-method_subdata&checked=buffer.columns_200.interleave_false.update-dispersion_0.9.update-fraction_0.5.update-method_subdata%2Cbuffer.columns_200.interleave_false.update-dispersion_0.9.update-fraction_0.5.update-method_subdata_ref%2Cref&rev=31540000973500000 https://chromeperf.appspot.com/report?masters=ChromeOS_Graphics&bots=cros-butterfly&tests=graphics_GLMark2%2Fideas.speed_duration&checked=ideas.speed_duration%2Cideas.speed_duration_ref%2Cref&rev=31540000973500000 etc. (more on the gfx-alerts mailing list) Nothing obvious from the change log, over to the current guard to investigate.
Comment 1 by benhenry@chromium.org
, Aug 2