You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
35 lines
1.2 KiB
35 lines
1.2 KiB
2 years ago
|
# CUDA {#cuda}
|
||
|
|
|
||
|
|
CUDA-only packages are stored in the `cudaPackages` packages set. This set
|
||
|
|
includes the `cudatoolkit`, portions of the toolkit in separate derivations,
|
||
|
|
`cudnn`, `cutensor` and `nccl`.
|
||
|
|
|
||
|
|
A package set is available for each CUDA version, so for example
|
||
|
|
`cudaPackages_11_6`. Within each set is a matching version of the above listed
|
||
|
|
packages. Additionally, other versions of the packages that are packaged and
|
||
|
|
compatible are available as well. For example, there can be a
|
||
|
|
`cudaPackages.cudnn_8_3_2` package.
|
||
|
|
|
||
|
|
To use one or more CUDA packages in an expression, give the expression a `cudaPackages` parameter, and in case CUDA is optional
|
||
|
|
```nix
|
||
|
|
cudaSupport ? false
|
||
|
|
cudaPackages ? {}
|
||
|
|
```
|
||
|
|
|
||
|
|
When using `callPackage`, you can choose to pass in a different variant, e.g.
|
||
|
|
when a different version of the toolkit suffices
|
||
|
|
```nix
|
||
|
|
mypkg = callPackage { cudaPackages = cudaPackages_11_5; }
|
||
|
|
```
|
||
|
|
|
||
|
|
If another version of say `cudnn` or `cutensor` is needed, you can override the
|
||
|
|
package set to make it the default. This guarantees you get a consistent package
|
||
|
|
set.
|
||
|
|
```nix
|
||
|
|
mypkg = let
|
||
|
|
cudaPackages = cudaPackages_11_5.overrideScope' (final: prev {
|
||
|
|
cudnn = prev.cudnn_8_3_2;
|
||
|
|
}});
|
||
|
|
in callPackage { inherit cudaPackages; };
|
||
|
|
```
|