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| author | Justin Lebar <jlebar@google.com> | 2016-09-07 20:09:46 +0000 |
|---|---|---|
| committer | Justin Lebar <jlebar@google.com> | 2016-09-07 20:09:46 +0000 |
| commit | 78e95faf4b44ef6178211b2405271412ae5bea8c (patch) | |
| tree | 6d7678b846dee214788be7b0af4732bbabb2dbf7 /docs/CompileCudaWithLLVM.rst | |
| parent | a804c5a9aac31c25a5345a240919ee0d70671ce6 (diff) | |
[CUDA] Expand upon --cuda-gpu-arch flag in CompileCudaWithLLVM doc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@280848 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs/CompileCudaWithLLVM.rst')
| -rw-r--r-- | docs/CompileCudaWithLLVM.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/docs/CompileCudaWithLLVM.rst b/docs/CompileCudaWithLLVM.rst index f57839cec96..85aab5dda0f 100644 --- a/docs/CompileCudaWithLLVM.rst +++ b/docs/CompileCudaWithLLVM.rst @@ -119,6 +119,13 @@ your GPU <https://developer.nvidia.com/cuda-gpus>`_. For example, if you want to run your program on a GPU with compute capability of 3.5, you should specify ``--cuda-gpu-arch=sm_35``. +Note: You cannot pass ``compute_XX`` as an argument to ``--cuda-gpu-arch``; +only ``sm_XX`` is currently supported. However, clang always includes PTX in +its binaries, so e.g. a binary compiled with ``--cuda-gpu-arch=sm_30`` would be +forwards-compatible with e.g. ``sm_35`` GPUs. + +You can pass ``--cuda-gpu-arch`` multiple times to compile for multiple archs. + Detecting clang vs NVCC ======================= |