When using glamor on top of the i965 driver (haswell GPU), the x11perf -putimage10 score is extremly low, while shmput10 is quite fast: 20000 trep @ 1.2639 msec ( 791.0/sec): PutImage 10x10 square 14000000 trep @ 0.0019 msec (537000.0/sec): ShmPutImage 10x10 square a netbook based on AMD's mullins chip (low-power jaguar cores) is fast for both operations: 800000 trep @ 0.0344 msec ( 29000.0/sec): PutImage 10x10 square 800000 trep @ 0.0356 msec ( 28100.0/sec): ShmPutImage 10x10 square This issue slows down Java's antialiased rendering a lot (it doesn't use trapezoids for AA geometry, instead it uploads 32x32 coverage masks using XPutImage and later uses this data as mask for XRenderComposite). As more and more distributions switch to glamor directly or indirectly (XWayland or X+modesetting) it would be great to see this fixed. Laptop: Vendor: Intel Open Source Technology Center (0x8086) Device: Mesa DRI Intel(R) Haswell Mobile (0xa16) Version: 12.0.3 Accelerated: yes Video memory: 1536MB Unified memory: yes Preferred profile: core (0x1) Max core profile version: 3.3 Max compat profile version: 3.0 Max GLES1 profile version: 1.1 Max GLES[23] profile version: 3.0
So this is not limited to haswell, on an arrandale laptop I get (90% of the cycles are spent in clflush_object): 1200 reps @ 6.1682 msec ( 162.0/sec): PutImage XY 10x10 square
Hi Clemens, I've checked x11perf -putimage10 on my Haswell on 12.0.3, 10.6.9 and 12.1.0 versions of mesa and score looks good. Here is outputs: OpenGL ES profile version string: OpenGL ES 3.1 Mesa 12.1.0-devel (git-3ef8d42) OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.10 user@HRK1-LHP-F49171:~$ x11perf -putimage10 x11perf - X11 performance program, version 1.2 The X.Org Foundation server version 11906000 on :0 from HRK1-LHP-F49171 Fri Nov 16 15:18:23 2018 Sync time adjustment is 0.0136 msecs. 1600000 reps @ 0.0034 msec (290000.0/sec): PutImage 10x10 square 1600000 reps @ 0.0034 msec (290000.0/sec): PutImage 10x10 square 1600000 reps @ 0.0035 msec (287000.0/sec): PutImage 10x10 square 1600000 reps @ 0.0035 msec (286000.0/sec): PutImage 10x10 square 1600000 reps @ 0.0035 msec (288000.0/sec): PutImage 10x10 square 8000000 trep @ 0.0035 msec (288000.0/sec): PutImage 10x10 square //-------------------------------------------------------------- OpenGL ES profile version string: OpenGL ES 3.0 Mesa 12.0.3 (git-d79b2e7) OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.00 user@HRK1-LHP-F49171:~/Work/mesa$ x11perf -putimage10 x11perf - X11 performance program, version 1.2 The X.Org Foundation server version 11906000 on :0 from HRK1-LHP-F49171 Fri Nov 16 15:44:35 2018 Sync time adjustment is 0.0129 msecs. 1600000 reps @ 0.0034 msec (296000.0/sec): PutImage 10x10 square 1600000 reps @ 0.0034 msec (295000.0/sec): PutImage 10x10 square 1600000 reps @ 0.0034 msec (296000.0/sec): PutImage 10x10 square 1600000 reps @ 0.0034 msec (294000.0/sec): PutImage 10x10 square 1600000 reps @ 0.0034 msec (295000.0/sec): PutImage 10x10 square 8000000 trep @ 0.0034 msec (295000.0/sec): PutImage 10x10 square //--------------------------------------------------------------- OpenGL ES profile version string: OpenGL ES 3.0 Mesa 10.6.9 (git-ab9aacc) OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.00 user@HRK1-LHP-F49171:~/Work/mesa$ x11perf -putimage10 x11perf - X11 performance program, version 1.2 The X.Org Foundation server version 11906000 on :0 from HRK1-LHP-F49171 Fri Nov 16 16:03:50 2018 Sync time adjustment is 0.0123 msecs. 1600000 reps @ 0.0033 msec (299000.0/sec): PutImage 10x10 square 1600000 reps @ 0.0033 msec (299000.0/sec): PutImage 10x10 square 1600000 reps @ 0.0034 msec (298000.0/sec): PutImage 10x10 square 1600000 reps @ 0.0033 msec (300000.0/sec): PutImage 10x10 square 1600000 reps @ 0.0033 msec (302000.0/sec): PutImage 10x10 square 8000000 trep @ 0.0033 msec (299000.0/sec): PutImage 10x10 square I've set following configuration in /usr/share/X11/xorg.conf.d/20-intel.conf: Section "Device" Identifier "Intel" Driver "intel" Option "TearFree" "true" Option "DRI" "3" Option "AccelMethod" "glamor" EndSection Used environment: Haswell: CPU: Intel Core i5-4300M; GPU: Intel® HD Graphics 4600 Ubuntu 16.04; kernel 4.18.16-041816-generic;
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