4/29/2023 0 Comments Opencl benchmark headless![]() Info: Read library: '/home/paulm/reframe/reframe-surfsara/production_tests/applications/blender/src/classroom/assets/books/books.blend', '//assets/books/books.blend', parent '' Info: Read library: '/home/paulm/reframe/reframe-surfsara/production_tests/applications/blender/src/classroom/assets/wastes/wastes.blend', '//assets/wastes/wastes.blend', parent '' Info: Read library: '/home/paulm/reframe/reframe-surfsara/production_tests/applications/blender/src/classroom/assets/wallClock/wallClock.blend', '//assets/wallClock/wallClock.blend', parent '' Info: Read library: '/home/paulm/reframe/reframe-surfsara/production_tests/applications/blender/src/classroom/assets/suitcase/suitcase.blend', '//assets/suitcase/suitcase.blend', parent '' Info: Read library: '/home/paulm/reframe/reframe-surfsara/production_tests/applications/blender/src/classroom/assets/radiator/radiator.blend', '//assets/radiator/radiator.blend', parent '' ![]() Info: Read library: '/home/paulm/reframe/reframe-surfsara/production_tests/applications/blender/src/classroom/assets/dustBin/dustBin.blend', '//assets/dustBin/dustBin.blend', parent '' Info: Read library: '/home/paulm/reframe/reframe-surfsara/production_tests/applications/blender/src/classroom/assets/desks/desks.blend', '//assets/desks/desks.blend', parent '' Info: Read library: '/home/paulm/reframe/reframe-surfsara/production_tests/applications/blender/src/classroom/assets/coatStand/coatStand.blend', '//assets/coatStand/coatStand.blend', parent '' Info: Read library: '/home/paulm/reframe/reframe-surfsara/production_tests/applications/blender/src/classroom/assets/chairs/chairs.blend', '//assets/chairs/chairs.blend', parent '' Info: Read library: '/home/paulm/reframe/reframe-surfsara/production_tests/applications/blender/src/classroom/assets/lamps/lamps.blend', '//assets/lamps/lamps.blend', parent '' Read blend: /home/paulm/reframe/reframe-surfsara/production_tests/applications/blender/src/classroom/classroom.2.82-gpu.blend Read prefs: /home/paulm/.config/blender/2.82/config/userpref.blendįound bundled python: /sw/arch/RedHatEnterpriseServer7/EB_production/2019/software/Blender/2.82-foss-2018b-Python-3.7.5-nvidia/share/blender/2.82/python When looking at the output of -debug-cycles I see the CUDA devices are being picked up and enabled: Blender 2.82 (sub 7) The test scene used is correctly set to use Cycles on the GPU device. The behaviour I’m seeing is that when rendering headless with blender -y -b file.blend -f 1 the GPUs are not being used, as I see no GPU activity with nvidia-smi on the node while all CPU cores are maxed out. There it shows both CUDA devices in the preferences and they are selected for use. To check detection of the CUDA devices I have run Blender in a VNC session on the compute node under VirtualGL. The blender 2.82.7 binary I’m using was manually compiled. One of the nodes has two GPUs (Tesla K40m’s) with working NVIDIA drivers, CUDA 10.2 installed, etc. b) Cycles rendering on a number of different compute nodes. I’m working on some automated benchmarks in which we do headless (i.e.
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