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flake : build llama.cpp on Intel with nix (ggerganov#2795)
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Problem
-------
`nix build` fails with missing `Accelerate.h`.

Changes
-------
- Fix build of the llama.cpp with nix for Intel: add the same SDK frameworks as
for ARM
- Add `quantize` app to the output of nix flake
- Extend nix devShell with llama-python so we can use convertScript

Testing
-------
Testing the steps with nix:
1. `nix build`
Get the model and then
2. `nix develop` and then `python convert.py models/llama-2-7b.ggmlv3.q4_0.bin`
3. `nix run llama.cpp#quantize -- open_llama_7b/ggml-model-f16.gguf ./models/ggml-model-q4_0.bin 2`
4. `nix run llama.cpp#llama -- -m models/ggml-model-q4_0.bin -p "What is nix?" -n 400 --temp 0.8 -e -t 8`

Co-authored-by: Volodymyr Vitvitskyi <[email protected]>
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2 people authored and akawrykow committed Aug 29, 2023
1 parent 958e2b4 commit f090d8d
Showing 1 changed file with 11 additions and 0 deletions.
11 changes: 11 additions & 0 deletions flake.nix
Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,12 @@
CoreGraphics
CoreVideo
]
else if isDarwin then
with pkgs.darwin.apple_sdk.frameworks; [
Accelerate
CoreGraphics
CoreVideo
]
else
with pkgs; [ openblas ]
);
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type = "app";
program = "${self.packages.${system}.default}/bin/llama";
};
apps.quantize = {
type = "app";
program = "${self.packages.${system}.default}/bin/quantize";
};
apps.default = self.apps.${system}.llama;
devShells.default = pkgs.mkShell {
buildInputs = [ llama-python ];
packages = nativeBuildInputs ++ osSpecific;
};
});
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