1 files changed, 57 insertions, 0 deletions
diff --git a/pkgs/development/libraries/science/math/nccl/generic.nix b/pkgs/development/libraries/science/math/nccl/generic.nix
new file mode 100644
index 00000000000..aa04d75b078
--- /dev/null
+++ b/pkgs/development/libraries/science/math/nccl/generic.nix
@@ -0,0 +1,57 @@
+{ version
+, srcName
+, sha256
+}:
+
+{ stdenv
+, lib
+, requireFile
+, cudatoolkit
+}:
+
+stdenv.mkDerivation rec {
+  name = "cudatoolkit-${cudatoolkit.majorVersion}-nccl-${version}";
+
+  inherit version;
+
+  src = requireFile rec {
+    name = srcName;
+    inherit sha256;
+    message = ''
+      This nix expression requires that ${name} is already part of the store.
+      Register yourself to NVIDIA Accelerated Computing Developer Program, retrieve the NCCL library
+      at https://developer.nvidia.com/nccl, and run the following command in the download directory:
+      nix-prefetch-url file://${name}
+    '';
+  };
+
+  unpackCmd = "tar xJf $src";
+
+  installPhase = ''
+    function fixRunPath {
+      p=$(patchelf --print-rpath $1)
+      patchelf --set-rpath "$p:${lib.makeLibraryPath [ stdenv.cc.cc ]}" $1
+    }
+    fixRunPath lib/libnccl.so
+
+    mkdir -p $out
+    cp -a include $out/include
+    cp -a lib $out/lib
+  '';
+
+  propagatedBuildInputs = [
+    cudatoolkit
+  ];
+
+  passthru = {
+    inherit cudatoolkit;
+  };
+
+  meta = with stdenv.lib; {
+    description = "Multi-GPU and multi-node collective communication primitives that are performance optimized for NVIDIA GPUs";
+    homepage = https://developer.nvidia.com/nccl;
+    license = licenses.unfree;
+    platforms = [ "x86_64-linux" ];
+    maintainers = with maintainers; [ mdaiter ];
+  };
+}