andrei badger
andreibadger
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Karma Shader Precompilation H22 July 21, 2026, 10:20 a.m.
@brians, so if i install the houdini-22.0.387-win64-vc143.exe, i should not have a problem when precompile render kernels ? What other things do i have to do when precompiling render kernesl in h22 ? I have an rtx 5080. Im reading on the internet that i have to add this code lines. KARMA_XPU_OPTIX_FORCE_OPTIXIR = 1 or # Forces modern shader compilation paths to support the RTX 5080 in Houdini 21
KARMA_XPU_OPTIX_FORCE_OPTIXIR = 1 or Forces OptiX to use proper intermediate representation to bypass Blackwell compile stalls
KARMA_XPU_OPTIX_ENABLE_OPTIXIR = 1
# Bypasses UI thread exhaustion when generating complex compute queues
HOUDINI_UI_QUEUE_SIZE = 99999
KARMA_XPU_OPTIX_FORCE_OPTIXIR = 1 or Forces OptiX to use proper intermediate representation to bypass Blackwell compile stalls
KARMA_XPU_OPTIX_ENABLE_OPTIXIR = 1
# Bypasses UI thread exhaustion when generating complex compute queues
HOUDINI_UI_QUEUE_SIZE = 99999