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Diffstat (limited to 'doc/languages-frameworks/cuda.section.md')
| -rw-r--r-- | doc/languages-frameworks/cuda.section.md | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/doc/languages-frameworks/cuda.section.md b/doc/languages-frameworks/cuda.section.md index fccf66bf79d2..27bae33bc71c 100644 --- a/doc/languages-frameworks/cuda.section.md +++ b/doc/languages-frameworks/cuda.section.md @@ -32,3 +32,22 @@ mypkg = let }}); in callPackage { inherit cudaPackages; }; ``` + +The CUDA NVCC compiler requires flags to determine which hardware you +want to target for in terms of SASS (real hardware) or PTX (JIT kernels). + +Nixpkgs tries to target support real architecture defaults based on the +CUDA toolkit version with PTX support for future hardware. Experienced +users may optmize this configuration for a variety of reasons such as +reducing binary size and compile time, supporting legacy hardware, or +optimizing for specific hardware. + +You may provide capabilities to add support or reduce binary size through +`config` using `cudaCapabilities = [ "6.0" "7.0" ];` and +`cudaForwardCompat = true;` if you want PTX support for future hardware. + +Please consult [GPUs supported](https://en.wikipedia.org/wiki/CUDA#GPUs_supported) +for your specific card(s). + +Library maintainers should consult [NVCC Docs](https://docs.nvidia.com/cuda/cuda-compiler-driver-nvcc/) +and release notes for their software package. |