config/hardware/cuda.nix

49 lines
1.6 KiB
Nix

{ config, pkgs, lib, ... }:
{
# assumes common-gpu-nvidia from nixos-hardware is also added
# TODO: should we move it from flake.nix to here?
# https://nixos.wiki/wiki/Nvidia
#nixpkgs.config.cudaSupport = true; # TODO: TOO SLOW, BREAKS
nixpkgs.config.allowUnfreePredicate = pkg: lib.any (x: x) [
(lib.hasInfix "nvidia" (lib.toLower (lib.getName pkg)))
(lib.hasInfix "cuda" (lib.toLower (lib.getName pkg)))
(lib.hasInfix "cudnn" (lib.toLower (lib.getName pkg)))
(lib.hasInfix "cublas" (lib.toLower (lib.getName pkg)))
];
hardware.opengl.enable = true;
hardware.nvidia.package = config.boot.kernelPackages.nvidiaPackages.stable;
hardware.nvidia.modesetting.enable = true;
# add this to the host in question:
#hardware.nvidia.prime = {
# offload.enable = true;
# # Bus IDs. You can find them using lspci, grepping for "3D" or "VGA"
# intelBusId = "PCI:0:2:0";
# nvidiaBusId = "PCI:1:0:0";
#};
environment.systemPackages = with pkgs; ([
nvtop
] ++ lib.optional config.hardware.nvidia.prime.offload.enable [
(writeShellScriptBin "prime-run" ''
export __NV_PRIME_RENDER_OFFLOAD=1
export __NV_PRIME_RENDER_OFFLOAD_PROVIDER=NVIDIA-G0
export __GLX_VENDOR_LIBRARY_NAME=nvidia
export __VK_LAYER_NV_optimus=NVIDIA_only
exec "$@"
'')
# already added by nixos-hardware.common-gpu-nvidia
#(writeShellScriptBin "nvidia-offload" ''
# export __NV_PRIME_RENDER_OFFLOAD=1
# export __NV_PRIME_RENDER_OFFLOAD_PROVIDER=NVIDIA-G0
# export __GLX_VENDOR_LIBRARY_NAME=nvidia
# export __VK_LAYER_NV_optimus=NVIDIA_only
# exec "$@"
#'')
]);
}