| Bug ID | 109171 |
|---|---|
| Summary | AMD's GPU is Slower than Intel's |
| Product | Mesa |
| Version | 18.2 |
| Hardware | x86-64 (AMD64) |
| OS | Linux (All) |
| Status | NEW |
| Severity | critical |
| Priority | medium |
| Component | Drivers/Gallium/r600 |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | ali.sherif10@yahoo.com |
| QA Contact | dri-devel@lists.freedesktop.org |
glxgears and CS: Go are much slower with AMD's GPU. Performance's much higher with Intel's. Outputs: $ glxgears 306 frames in 5.0 seconds = 61.029 FPS 299 frames in 5.0 seconds = 59.761 FPS 299 frames in 5.0 seconds = 59.762 FPS 299 frames in 5.0 seconds = 59.762 FPS 299 frames in 5.0 seconds = 59.762 FPS $ DRI_PRIME=1 glxgears 304 frames in 5.0 seconds = 60.666 FPS 299 frames in 5.0 seconds = 59.762 FPS 299 frames in 5.0 seconds = 59.762 FPS 299 frames in 5.0 seconds = 59.763 FPS 299 frames in 5.0 seconds = 59.760 FPS $ vblank_mode=0 glxgears ATTENTION: default value of option vblank_mode overridden by environment. 32606 frames in 5.0 seconds = 6521.047 FPS 31516 frames in 5.0 seconds = 6302.010 FPS 32145 frames in 5.0 seconds = 6428.891 FPS 31443 frames in 5.0 seconds = 6288.595 FPS 31029 frames in 5.0 seconds = 6205.721 FPS $ DRI_PRIME=1 vblank_mode=0 glxgears ATTENTION: default value of option vblank_mode overridden by environment. 12031 frames in 5.0 seconds = 2406.195 FPS 10110 frames in 5.0 seconds = 2021.870 FPS 10122 frames in 5.0 seconds = 2022.474 FPS 9782 frames in 5.0 seconds = 1956.206 FPS 10175 frames in 5.0 seconds = 2034.901 FPS Laptop: HP Pavilion g6. AMD's GPU: Radeon HD 7670M. OS: 64-bit Linux (Fedora 29 KDE Spin).
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