For example:

Performance dashboard identified a 96.4% regression in graphics_GLMark2/buffer.columns_200.interleave_true.update-dispersion_0.9.update-fraction_0.5.update-method_map on cros-orco at revision range 29980000924500001:29980000924700000. Graph: https://chromeperf.appspot.com/report?masters=ChromeOS_Graphics&bots=cros-orco&tests=graphics_GLMark2%2Fbuffer.columns_200.interleave_true.update-dispersion_0.9.update-fraction_0.5.update-method_map&checked=buffer.columns_200.interleave_true.update-dispersion_0.9.update-fraction_0.5.update-method_map%2Cbuffer.columns_200.interleave_true.update-dispersion_0.9.update-fraction_0.5.update-method_map_ref%2Cref&rev=29980000924700000

But it also seems to affect swanky, glimmer, gnawty, heli, ninja, so that's pretty much all baytrail devices...