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{
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
flake-utils.url = "github:numtide/flake-utils";
};
outputs = { self, nixpkgs, flake-utils }:
flake-utils.lib.eachDefaultSystem (system:
let
inherit (pkgs.stdenv) isAarch64 isDarwin;
inherit (pkgs.lib) optionals;
isM1 = isAarch64 && isDarwin;
osSpecific = if isM1 then
with pkgs.darwin.apple_sdk_11_0.frameworks; [
Accelerate
MetalKit
MetalPerformanceShaders
MetalPerformanceShadersGraph
]
else if isDarwin then
with pkgs.darwin.apple_sdk.frameworks; [
Accelerate
CoreGraphics
CoreVideo
]
else
[ ];
pkgs = import nixpkgs { inherit system; };
llama-python =
pkgs.python310.withPackages (ps: with ps; [ numpy sentencepiece ]);
in {
packages.default = pkgs.stdenv.mkDerivation {
name = "llama.cpp";
src = ./.;
postPatch = if isM1 then ''
substituteInPlace ./ggml-metal.m \
--replace '[bundle pathForResource:@"ggml-metal" ofType:@"metal"];' "@\"$out/bin/ggml-metal.metal\";"
'' else
"";
nativeBuildInputs = with pkgs; [ cmake ];
buildInputs = osSpecific;
cmakeFlags = [ "-DLLAMA_BUILD_SERVER=ON" ] ++ (optionals isM1 [
"-DCMAKE_C_FLAGS=-D__ARM_FEATURE_DOTPROD=1"
"-DLLAMA_METAL=ON"
]);
installPhase = ''
mkdir -p $out/bin
mv bin/* $out/bin/
mv $out/bin/main $out/bin/llama
mv $out/bin/server $out/bin/llama-server
echo "#!${llama-python}/bin/python" > $out/bin/convert.py
cat ${./convert.py} >> $out/bin/convert.py
chmod +x $out/bin/convert.py
'';
meta.mainProgram = "llama";
};
apps.llama-server = {
type = "app";
program = "${self.packages.${system}.default}/bin/llama-server";
};
apps.llama-embedding = {
type = "app";
program = "${self.packages.${system}.default}/bin/embedding";
};
apps.llama = {
type = "app";
program = "${self.packages.${system}.default}/bin/llama";
};
apps.default = self.apps.${system}.llama;
devShells.default = pkgs.mkShell {
packages = with pkgs; [ cmake llama-python ] ++ osSpecific;
};
});
}
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