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Cycles: Add option for building CUDA kernels sequentially

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Building the CUDA kernels takes quite a bit of memory, and when building all of
them the combined usage can be too much on some systems (especially VMs).

Therefore, this patch adds an option to force the build system to build them
sequentially by making each build step depend on the previous kernel.

Reviewers: brecht, sergey

Differential Revision: https://developer.blender.org/D3623
This commit is contained in:
Lukas Stockner
2018-08-20 01:17:34 -07:00
parent 53527ac10f
commit b3ac3d13a2
2 changed files with 22 additions and 9 deletions
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2
CMakeLists.txt
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@@ -411,6 +411,8 @@ option(WITH_CYCLES_OSL "Build Cycles with OSL support" ${_init_CYCLES_OSL})
option(WITH_CYCLES_OPENSUBDIV "Build Cycles with OpenSubdiv support" ${_init_CYCLES_OPENSUBDIV})
option(WITH_CYCLES_CUDA_BINARIES "Build Cycles CUDA binaries" OFF)
option(WITH_CYCLES_CUBIN_COMPILER "Build cubins with nvrtc based compiler instead of nvcc" OFF)
option(WITH_CYCLES_CUDA_BUILD_SERIAL "Build cubins one after another (useful on machines with limited RAM)" OFF)
mark_as_advanced(WITH_CYCLES_CUDA_BUILD_SERIAL)
set(CYCLES_CUDA_BINARIES_ARCH sm_30 sm_35 sm_37 sm_50 sm_52 sm_60 sm_61 CACHE STRING "CUDA architectures to build binaries for")
mark_as_advanced(CYCLES_CUDA_BINARIES_ARCH)
unset(PLATFORM_DEFAULT)