<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW --- - [IVB/HSW/BYT-M bisected] lightsmark v2008 performance reduced ~30%" href="https://bugs.freedesktop.org/show_bug.cgi?id=71523#c2">Comment # 2</a> on <a class="bz_bug_link bz_status_NEW " title="NEW --- - [IVB/HSW/BYT-M bisected] lightsmark v2008 performance reduced ~30%" href="https://bugs.freedesktop.org/show_bug.cgi?id=71523">bug 71523</a> from <a class="email" href="mailto:eero.t.tamminen@intel.com" title="Eero Tamminen <eero.t.tamminen@intel.com>"> Eero Tamminen</a> <pre>Looking at other test data from relevant time period: * Why Lighstmark test is marked on HSW D as "blocked"? * On HSW ULT & Mobile, performance drop is ~30% between 11-10 and 11-11, on IVB D & M it's 37%, on BYT, the performance drop between 11-07 and 11-11 is ~45%. * On HSW D, x11perf "aa10text" regressed during this interval 13% and "rgb10text" regressed by 68%. x11perf stuff is CPU bound, but it could be unrelated as on BYT "aa10text" got 45% increase in its performance. * There's no performance drop in any other tests on any other tested HW. > Lightsmark makes a lot of calls to glDrawElements() each frame, Nope. It's an old program using glBegin/glEnd... Stuff that Lighstmarks does in every frame: 44922 glBindTexture (avg = 27.4 calls in each of 1638 frames) 42369 glEnable (avg = 25.9 calls in each of 1638 frames) 42336 glActiveTexture (avg = 25.8 calls in each of 1638 frames) 30908 glVertex2f (avg = 18.9 calls in each of 1638 frames) 30908 glMultiTexCoord2f (avg = 18.9 calls in each of 1638 frames) 22780 glGetUniformLocation (avg = 13.9 calls in each of 1638 frames) 22000 glMatrixMode (avg = 13.4 calls in each of 1637 frames) 20253 glDisable (avg = 12.4 calls in each of 1638 frames) 13310 glGetIntegerv (avg = 8.1 calls in each of 1638 frames) 9737 glUniform1i (avg = 5.9 calls in each of 1638 frames) 9582 glBlendFunc (avg = 5.9 calls in each of 1637 frames) 7727 glEnd (avg = 4.7 calls in each of 1638 frames) 7727 glBegin (avg = 4.7 calls in each of 1638 frames) 7586 glUseProgram (avg = 4.6 calls in each of 1638 frames) 7255 glUniform4f (avg = 4.4 calls in each of 1638 frames) 6714 glPushMatrix (avg = 4.1 calls in each of 1637 frames) 6714 glPopMatrix (avg = 4.1 calls in each of 1637 frames) 6639 glLoadMatrixd (avg = 4.1 calls in each of 1637 frames) 6534 glDepthMask (avg = 4.0 calls in each of 1638 frames) 4917 glXMakeContextCurrent (avg = 3.0 calls in each of 1638 frames) 4837 glClear (avg = 3.0 calls in each of 1637 frames) 4762 glAlphaFunc (avg = 2.9 calls in each of 1637 frames) 3954 glTexImage2D (avg = 33.5 calls in each of 118 frames) 3754 glMultMatrixd (avg = 2.3 calls in each of 1637 frames) 3274 glLoadIdentity (avg = 2.0 calls in each of 1637 frames) 3267 glGetBooleanv (avg = 2.0 calls in each of 1638 frames) 2708 glViewport (avg = 1.7 calls in each of 1638 frames) 2509 glCallList (avg = 1.5 calls in each of 1637 frames) 2464 glGetFloatv (avg = 1.5 calls in each of 1637 frames) 1991 glColor3f (avg = 1.2 calls in each of 1637 frames) 1922 glUniform3f (avg = 1.2 calls in each of 1637 frames) 1736 glUniform4fv (avg = 1.1 calls in each of 1635 frames) 1638 glFlush (avg = 1.0 calls in each of 1638 frames) 1637 glOrtho (avg = 1.0 calls in each of 1637 frames) 1637 glColor4f (avg = 1.0 calls in each of 1637 frames) Stuff that Lighstmark does in some frames: 60558 glClientActiveTexture (avg = 348.0 calls in each of 174 frames) 60378 glTexCoordPointer (avg = 347.0 calls in each of 174 frames) 30787 glVertexPointer (avg = 176.9 calls in each of 174 frames) 30786 glDrawElements (avg = 176.9 calls in each of 174 frames) 30441 glNormalPointer (avg = 174.9 calls in each of 174 frames) 29929 glColorPointer (avg = 173.0 calls in each of 173 frames) 28877 glCullFace (avg = 166.0 calls in each of 174 frames) 6702 glTexParameteri (avg = 36.8 calls in each of 182 frames) 3685 glPixelStorei (avg = 31.2 calls in each of 118 frames) 2347 glBindFramebufferEXT (avg = 3.5 calls in each of 680 frames) 1583 glFramebufferTexture2DEXT (avg = 2.3 calls in each of 680 frames) 1583 glEnableClientState (avg = 9.1 calls in each of 174 frames) 1569 glGenTextures (avg = 65.4 calls in each of 24 frames) 1360 glColorMask (avg = 2.0 calls in each of 680 frames) 933 glGetTexLevelParameteriv (avg = 1.4 calls in each of 684 frames) 883 glDisableClientState (avg = 5.1 calls in each of 174 frames) 819 glCheckFramebufferStatusEXT (avg = 1.2 calls in each of 680 frames) 736 glPolygonOffset (avg = 1.1 calls in each of 680 frames) 680 glClearDepth (avg = 1.0 calls in each of 680 frames) 218 glUniformMatrix4fv (avg = 2.2 calls in each of 101 frames) 177 glColor4ub (avg = 1.0 calls in each of 174 frames) 167 glClearColor (avg = 2.0 calls in each of 84 frames) 167 glReadBuffer (avg = 2.0 calls in each of 83 frames) 167 glDrawBuffer (avg = 2.0 calls in each of 83 frames) 83 glUniform2f (avg = 1.0 calls in each of 83 frames) 83 glReadPixels (avg = 1.0 calls in each of 83 frames)</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>