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{
lib,
config,
stdenv,
blas,
lapack,
buildPythonPackage,
fetchFromGitHub,
fetchpatch2,
cudaSupport ? config.cudaSupport,
# build-system
setuptools,
# dependencies
jaxlib,
ml-dtypes,
numpy,
opt-einsum,
scipy,
# optional-dependencies
jax-cuda12-plugin,
# tests
cloudpickle,
hypothesis,
matplotlib,
pytestCheckHook,
pytest-xdist,
# passthru
callPackage,
jax,
jaxlib-build,
jaxlib-bin,
}:
let
usingMKL = blas.implementation == "mkl" || lapack.implementation == "mkl";
in
buildPythonPackage rec {
pname = "jax";
version = "0.8.2";
pyproject = true;
src = fetchFromGitHub {
owner = "google";
repo = "jax";
# google/jax contains tags for jax and jaxlib. Only use jax tags!
tag = "jax-v${version}";
hash = "sha256-WKdFEhOxJPLjOXOChZbLRGcw0GFeg/TT/FT6M72C6bo=";
};
patches = [
# https://github.com/jax-ml/jax/pull/32840
(fetchpatch2 {
url = "https://github.com/Prince213/jax/commit/af5c211d49f3b99447db2252d2cc2b8e0fb54d1c.patch?full_index=1";
hash = "sha256-ijEd+MDe91qyYfE+aMzR5rNmTeGadin6Io8PIfJWc3o=";
})
];
build-system = [ setuptools ];
# The version is automatically set to ".dev" if this variable is not set.
# https://github.com/google/jax/commit/e01f2617b85c5bdffc5ffb60b3d8d8ca9519a1f3
JAX_RELEASE = "1";
dependencies = [
jaxlib
ml-dtypes
numpy
opt-einsum
scipy
]
++ lib.optionals cudaSupport optional-dependencies.cuda;
optional-dependencies = rec {
cuda = [ jax-cuda12-plugin ];
cuda12 = cuda;
cuda12_pip = cuda;
cuda12_local = cuda;
};
nativeCheckInputs = [
cloudpickle
hypothesis
matplotlib
pytestCheckHook
pytest-xdist
];
# high parallelism will result in the tests getting stuck
dontUsePytestXdist = true;
pytestFlags = [
"--numprocesses=4"
"-Wignore::DeprecationWarning"
];
# NOTE: Don't run the tests in the experimental directory as they require flax
# which creates a circular dependency. See https://discourse.nixos.org/t/how-to-nix-ify-python-packages-with-circular-dependencies/14648/2.
# Not a big deal, this is how the JAX docs suggest running the test suite
# anyhow.
enabledTestPaths = [
"tests/"
];
disabledTestPaths = lib.optionals stdenv.hostPlatform.isDarwin [
# SystemError: nanobind::detail::nb_func_error_except(): exception could not be translated!
# reported at: https://github.com/jax-ml/jax/issues/26106
"tests/pjit_test.py::PJitErrorTest::testAxisResourcesMismatch"
"tests/shape_poly_test.py::ShapePolyTest"
"tests/tree_util_test.py::TreeTest"
# Mostly AssertionError on numerical tests failing since 0.7.0
# https://github.com/jax-ml/jax/issues/31428
"tests/export_back_compat_test.py"
"tests/lax_numpy_test.py"
"tests/lax_scipy_test.py"
"tests/lax_test.py"
"tests/linalg_test.py"
];
# Prevents `tests/export_back_compat_test.py::CompatTest::test_*` tests from failing on darwin with
# PermissionError: [Errno 13] Permission denied: '/tmp/back_compat_testdata/test_*.py'
# See https://github.com/google/jax/blob/jaxlib-v0.4.27/jax/_src/internal_test_util/export_back_compat_test_util.py#L240-L241
# NOTE: this doesn't seem to be an issue on linux
preCheck = lib.optionalString stdenv.hostPlatform.isDarwin ''
export TEST_UNDECLARED_OUTPUTS_DIR=$(mktemp -d)
'';
disabledTests = [
# Exceeds tolerance when the machine is busy
"test_custom_linear_solve_aux"
]
++ lib.optionals usingMKL [
# See
# * https://github.com/google/jax/issues/9705
# * https://discourse.nixos.org/t/getting-different-results-for-the-same-build-on-two-equally-configured-machines/17921
# * https://github.com/NixOS/nixpkgs/issues/161960
"test_custom_linear_solve_cholesky"
"test_custom_root_with_aux"
"testEigvalsGrad_shape"
]
++ lib.optionals stdenv.hostPlatform.isAarch64 [
# Fails on some hardware due to some numerical error
# See https://github.com/google/jax/issues/18535
"testQdwhWithOnRankDeficientInput5"
]
++ lib.optionals stdenv.hostPlatform.isDarwin [
# SystemError: nanobind::detail::nb_func_error_except(): exception could not be translated!
# reported at: https://github.com/jax-ml/jax/issues/26106
"testInAxesPyTreePrefixMismatchError"
"testInAxesPyTreePrefixMismatchErrorKwargs"
"testOutAxesPyTreePrefixMismatchError"
"test_tree_map"
"test_tree_prefix_error"
"test_vjp_rule_inconsistent_pytree_structures_error"
"test_vmap_in_axes_tree_prefix_error"
"test_vmap_mismatched_axis_sizes_error_message_issue_705"
];
pythonImportsCheck = [ "jax" ];
# Test CUDA-enabled jax and jaxlib. Running CUDA-enabled tests is not
# currently feasible within the nix build environment so we have to maintain
# this script separately. See https://github.com/NixOS/nixpkgs/pull/256230
# for a possible remedy to this situation.
#
# Run these tests with eg
#
# NIXPKGS_ALLOW_UNFREE=1 nixglhost -- nix run --impure .#python3Packages.jax.passthru.tests.test_cuda_jaxlibBin
passthru.tests = {
# jaxlib-build is broken as of 2024-12-20
# test_cuda_jaxlibSource = callPackage ./test-cuda.nix {
# jax = jax.override { jaxlib = jaxlib-build; };
# };
test_cuda_jaxlibBin = callPackage ./test-cuda.nix {
jax = jax.override { jaxlib = jaxlib-bin; };
};
};
# updater fails to pick the correct branch
passthru.skipBulkUpdate = true;
meta = {
description = "Source-built JAX frontend: differentiate, compile, and transform Numpy code";
homepage = "https://github.com/google/jax";
changelog = "https://docs.jax.dev/en/latest/changelog.html";
license = lib.licenses.asl20;
maintainers = with lib.maintainers; [
GaetanLepage
samuela
];
};
}
|
