102 lines
3.6 KiB
Nix
102 lines
3.6 KiB
Nix
{cudaVersion, lib}:
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let
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inherit (lib) attrsets modules trivial;
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redistName = "cuda";
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# Manifest files for CUDA redistributables (aka redist). These can be found at
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# https://developer.download.nvidia.com/compute/cuda/redist/
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# Maps a cuda version to the specific version of the manifest.
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cudaVersionMap = {
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"11.4" = "11.4.4";
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"11.5" = "11.5.2";
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"11.6" = "11.6.2";
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"11.7" = "11.7.1";
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"11.8" = "11.8.0";
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"12.0" = "12.0.1";
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"12.1" = "12.1.1";
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"12.2" = "12.2.2";
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"12.3" = "12.3.0";
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};
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# Check if the current CUDA version is supported.
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cudaVersionMappingExists = builtins.hasAttr cudaVersion cudaVersionMap;
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# fullCudaVersion : String
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fullCudaVersion = cudaVersionMap.${cudaVersion};
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evaluatedModules = modules.evalModules {
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modules = [
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../modules
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# We need to nest the manifests in a config.cuda.manifests attribute so the
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# module system can evaluate them.
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{
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cuda.manifests = {
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redistrib = trivial.importJSON (./manifests + "/redistrib_${fullCudaVersion}.json");
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feature = trivial.importJSON (./manifests + "/feature_${fullCudaVersion}.json");
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};
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}
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];
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};
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# Generally we prefer to do things involving getting attribute names with feature_manifest instead
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# of redistrib_manifest because the feature manifest will have *only* the redist architecture
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# names as the keys, whereas the redistrib manifest will also have things like version, name, license,
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# and license_path.
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featureManifest = evaluatedModules.config.cuda.manifests.feature;
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redistribManifest = evaluatedModules.config.cuda.manifests.redistrib;
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# Builder function which builds a single redist package for a given platform.
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# buildRedistPackage : callPackage -> PackageName -> Derivation
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buildRedistPackage =
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callPackage: pname:
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let
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redistribRelease = redistribManifest.${pname};
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featureRelease = featureManifest.${pname};
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drv =
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(callPackage ../generic-builders/manifest.nix {
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# We pass the whole release to the builder because it has logic to handle
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# the case we're trying to build on an unsupported platform.
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inherit
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pname
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redistName
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redistribRelease
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featureRelease
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;
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}).overrideAttrs
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(
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prevAttrs: {
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# Add the package-specific license.
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meta = prevAttrs.meta // {
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license =
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let
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licensePath =
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if redistribRelease.license_path != null then
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redistribRelease.license_path
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else
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"${pname}/LICENSE.txt";
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url = "https://developer.download.nvidia.com/compute/cuda/redist/${licensePath}";
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in
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lib.licenses.nvidiaCudaRedist // {inherit url;};
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};
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}
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);
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in
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drv;
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# Build all the redist packages given final and prev.
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redistPackages =
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final: _prev:
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# Wrap the whole thing in an optionalAttrs so we can return an empty set if the CUDA version
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# is not supported.
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# NOTE: We cannot include the call to optionalAttrs *in* the pipe as we would strictly evaluate the
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# attrNames before we check if the CUDA version is supported.
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attrsets.optionalAttrs cudaVersionMappingExists (
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trivial.pipe featureManifest [
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# Get all the package names
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builtins.attrNames
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# Build the redist packages
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(trivial.flip attrsets.genAttrs (buildRedistPackage final.callPackage))
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]
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);
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in
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redistPackages
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