<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - Open source radeon drivers not working properly with Radeon HD 8550M" href="https://bugs.freedesktop.org/show_bug.cgi?id=94708#c13">Comment # 13</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - Open source radeon drivers not working properly with Radeon HD 8550M" href="https://bugs.freedesktop.org/show_bug.cgi?id=94708">bug 94708</a> from <a class="email" href="mailto:alexdeucher@gmail.com" title="Alex Deucher <alexdeucher@gmail.com>"> Alex Deucher</a> <pre>(In reply to Arthur Hrast Essenfelder from <a href="show_bug.cgi?id=94708#c12">comment #12</a>) > # vblank_mode=0 glxgears > ATTENTION: default value of option vblank_mode overridden by environment. > ATTENTION: default value of option vblank_mode overridden by environment. > 35719 frames in 5.0 seconds = 7143.730 FPS > 35715 frames in 5.0 seconds = 7142.853 FPS > 34593 frames in 5.0 seconds = 6910.545 FPS > > # DRI_PRIME=1 vblank_mode=0 glxgears > ATTENTION: default value of option vblank_mode overridden by environment. > 8298 frames in 5.0 seconds = 1659.484 FPS > 8313 frames in 5.0 seconds = 1662.389 FPS > 8315 frames in 5.0 seconds = 1662.897 FPS > gears is not a good test for PRIME systems. It basically tests how fast the driver can swap buffers. With PRIME the dGPU rendered buffers ends up getting copied several times before getting to the IGP.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>