153 lines
4.7 KiB
Nix
153 lines
4.7 KiB
Nix
{ lib
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, blas
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, buildPythonPackage
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, callPackage
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, setuptools
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, importlib-metadata
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, fetchFromGitHub
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, jaxlib
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, jaxlib-bin
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, hypothesis
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, lapack
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, matplotlib
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, ml-dtypes
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, numpy
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, opt-einsum
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, pytestCheckHook
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, pytest-xdist
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, pythonOlder
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, scipy
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, stdenv
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}:
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let
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usingMKL = blas.implementation == "mkl" || lapack.implementation == "mkl";
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# jaxlib is broken on aarch64-* as of 2023-03-05, but the binary wheels work
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# fine. jaxlib is only used in the checkPhase, so switching backends does not
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# impact package behavior. Get rid of this once jaxlib is fixed on aarch64-*.
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jaxlib' = if jaxlib.meta.broken then jaxlib-bin else jaxlib;
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in
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buildPythonPackage rec {
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pname = "jax";
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version = "0.4.24";
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pyproject = true;
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disabled = pythonOlder "3.9";
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src = fetchFromGitHub {
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owner = "google";
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repo = "jax";
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# google/jax contains tags for jax and jaxlib. Only use jax tags!
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rev = "refs/tags/${pname}-v${version}";
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hash = "sha256-hmx7eo3pephc6BQfoJ3U0QwWBWmhkAc+7S4QmW32qQs=";
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};
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nativeBuildInputs = [
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setuptools
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];
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# The version is automatically set to ".dev" if this variable is not set.
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# https://github.com/google/jax/commit/e01f2617b85c5bdffc5ffb60b3d8d8ca9519a1f3
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JAX_RELEASE = "1";
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# jaxlib is _not_ included in propagatedBuildInputs because there are
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# different versions of jaxlib depending on the desired target hardware. The
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# JAX project ships separate wheels for CPU, GPU, and TPU.
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propagatedBuildInputs = [
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ml-dtypes
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numpy
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opt-einsum
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scipy
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] ++ lib.optional (pythonOlder "3.10") importlib-metadata;
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nativeCheckInputs = [
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hypothesis
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jaxlib'
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matplotlib
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pytestCheckHook
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pytest-xdist
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];
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# high parallelism will result in the tests getting stuck
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dontUsePytestXdist = true;
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# NOTE: Don't run the tests in the expiremental directory as they require flax
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# which creates a circular dependency. See https://discourse.nixos.org/t/how-to-nix-ify-python-packages-with-circular-dependencies/14648/2.
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# Not a big deal, this is how the JAX docs suggest running the test suite
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# anyhow.
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pytestFlagsArray = [
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"--numprocesses=4"
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"-W ignore::DeprecationWarning"
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"tests/"
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];
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disabledTests = [
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# Exceeds tolerance when the machine is busy
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"test_custom_linear_solve_aux"
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# UserWarning: Explicitly requested dtype <class 'numpy.float64'>
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# requested in astype is not available, and will be truncated to
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# dtype float32. (With numpy 1.24)
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"testKde3"
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"testKde5"
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"testKde6"
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# Invokes python manually in a subprocess, which does not have the correct dependencies
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# ImportError: This version of jax requires jaxlib version >= 0.4.19.
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"test_no_log_spam"
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] ++ lib.optionals usingMKL [
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# See
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# * https://github.com/google/jax/issues/9705
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# * https://discourse.nixos.org/t/getting-different-results-for-the-same-build-on-two-equally-configured-machines/17921
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# * https://github.com/NixOS/nixpkgs/issues/161960
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"test_custom_linear_solve_cholesky"
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"test_custom_root_with_aux"
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"testEigvalsGrad_shape"
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] ++ lib.optionals stdenv.isAarch64 [
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# See https://github.com/google/jax/issues/14793.
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"test_for_loop_fixpoint_correctly_identifies_loop_varying_residuals_unrolled_for_loop"
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"testQdwhWithRandomMatrix3"
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"testScanGrad_jit_scan"
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# See https://github.com/google/jax/issues/17867.
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"test_array"
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"test_async"
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"test_copy0"
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"test_device_put"
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"test_make_array_from_callback"
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"test_make_array_from_single_device_arrays"
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# Fails on some hardware due to some numerical error
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# See https://github.com/google/jax/issues/18535
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"testQdwhWithOnRankDeficientInput5"
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];
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disabledTestPaths = lib.optionals (stdenv.isDarwin && stdenv.isAarch64) [
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# RuntimeWarning: invalid value encountered in cast
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"tests/lax_test.py"
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];
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pythonImportsCheck = [ "jax" ];
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# Test CUDA-enabled jax and jaxlib. Running CUDA-enabled tests is not
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# currently feasible within the nix build environment so we have to maintain
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# this script separately. See https://github.com/NixOS/nixpkgs/pull/256230
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# for a possible remedy to this situation.
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#
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# Run these tests with eg
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#
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# NIXPKGS_ALLOW_UNFREE=1 nixglhost -- nix run --impure .#python3Packages.jax.passthru.tests.test_cuda_jaxlibBin
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passthru.tests = {
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test_cuda_jaxlibSource = callPackage ./test-cuda.nix {
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jaxlib = jaxlib.override { cudaSupport = true; };
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};
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test_cuda_jaxlibBin = callPackage ./test-cuda.nix {
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jaxlib = jaxlib-bin.override { cudaSupport = true; };
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};
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};
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meta = with lib; {
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description = "Differentiate, compile, and transform Numpy code";
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homepage = "https://github.com/google/jax";
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license = licenses.asl20;
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maintainers = with maintainers; [ samuela ];
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};
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}
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