CI: 11/22/24 upstream sync

.github/workflows/bazel_gpu_rbe.yml

@@ -0,0 +1,39 @@
+name: CI - Bazel GPU tests (RBE)
+
+on:
+  workflow_dispatch:
+    inputs:
+      halt-for-connection:
+        description: 'Should this workflow run wait for a remote connection?'
+        type: choice
+        required: true
+        default: 'no'
+        options:
+        - 'yes'
+        - 'no'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  run_tests:
+    if: github.event.repository.fork == false
+    strategy:
+      matrix:
+        runner: ["linux-x86-n2-16"]
+
+    runs-on: ${{ matrix.runner }}
+    container: 'us-central1-docker.pkg.dev/tensorflow-sigs/tensorflow/ml-build:latest'
+
+    env:
+      JAXCI_HERMETIC_PYTHON_VERSION: "3.12"
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Wait For Connection
+        uses: google-ml-infra/actions/ci_connection@main
+        with:
+          halt-dispatch-input: ${{ inputs.halt-for-connection }}
+      - name: Run Bazel GPU Tests with RBE
+        run: ./ci/run_bazel_test_gpu_rbe.sh

.github/workflows/ci-build.yaml

@@ -139,7 +139,7 @@ jobs:
   documentation_render:
     name: Documentation - render documentation
     runs-on: ubuntu-latest
-    timeout-minutes: 10
+    timeout-minutes: 20
     strategy:
       matrix:
         python-version: ['3.10']

.github/workflows/cloud-tpu-ci-nightly.yml

@@ -13,7 +13,7 @@
 name: CI - Cloud TPU (nightly)
 on:
   schedule:
-    - cron: "0 14 * * *" # daily at 7am PST
+    - cron: "0 */2 * * *" # Run every 2 hours
   workflow_dispatch: # allows triggering the workflow run manually
 # This should also be set to read-only in the project settings, but it's nice to
 # document and enforce the permissions here.
@@ -26,15 +26,18 @@ jobs:
       matrix:
         jaxlib-version: ["pypi_latest", "nightly", "nightly+oldest_supported_libtpu"]
         tpu: [
-          {type: "v3-8", cores: "4"},
-          {type: "v4-8", cores: "4"},
-          {type: "v5e-8", cores: "8"}
+          # {type: "v3-8", cores: "4"}, # Enable when we have the v3/v4 type available
+          # {type: "v4-8", cores: "4", runner: "linux-x86-ct4p-240-4tpu"},
+          {type: "v5e-8", cores: "8", runner: "linux-x86-ct5lp-224-8tpu"}
         ]
+        python-version: ["3.10"]
     name: "TPU test (jaxlib=${{ matrix.jaxlib-version }}, ${{ matrix.tpu.type }})"
     env:
       LIBTPU_OLDEST_VERSION_DATE: 20240722
       ENABLE_PJRT_COMPATIBILITY: ${{ matrix.jaxlib-version == 'nightly+oldest_supported_libtpu' }}
-    runs-on: ["self-hosted", "tpu", "${{ matrix.tpu.type }}"]
+      PYTHON: python${{ matrix.python-version }}
+    runs-on: ${{ matrix.tpu.runner }}
+    container: "us-central1-docker.pkg.dev/tensorflow-sigs/tensorflow/ml-build:latest"
     timeout-minutes: 120
     defaults:
       run:
@@ -46,52 +49,52 @@ jobs:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
       - name: Install JAX test requirements
         run: |
-          pip install -U -r build/test-requirements.txt
-          pip install -U -r build/collect-profile-requirements.txt
+          $PYTHON -m pip install -U -r build/test-requirements.txt
+          $PYTHON -m pip install -U -r build/collect-profile-requirements.txt
       - name: Install JAX
         run: |
-          pip uninstall -y jax jaxlib libtpu
+          $PYTHON -m pip uninstall -y jax jaxlib libtpu
           if [ "${{ matrix.jaxlib-version }}" == "pypi_latest" ]; then
-            pip install .[tpu] \
+            $PYTHON -m pip install .[tpu] \
               -f https://storage.googleapis.com/jax-releases/libtpu_releases.html
 
           elif [ "${{ matrix.jaxlib-version }}" == "nightly" ]; then
-            pip install --pre . -f https://storage.googleapis.com/jax-releases/jax_nightly_releases.html
-            pip install --pre libtpu \
+            $PYTHON -m pip install --pre . -f https://storage.googleapis.com/jax-releases/jax_nightly_releases.html
+            $PYTHON -m pip install --pre libtpu \
               -f https://storage.googleapis.com/jax-releases/libtpu_releases.html
-            pip install requests
+            $PYTHON -m pip install requests
 
           elif [ "${{ matrix.jaxlib-version }}" == "nightly+oldest_supported_libtpu" ]; then
-            pip install --pre . -f https://storage.googleapis.com/jax-releases/jax_nightly_releases.html
+            $PYTHON -m pip install --pre . -f https://storage.googleapis.com/jax-releases/jax_nightly_releases.html
             # TODO(phawkins): switch to libtpu, when the oldest release we support is a libtpu release.
-            pip install --pre libtpu-nightly==0.1.dev${{ env.LIBTPU_OLDEST_VERSION_DATE }} \
+            $PYTHON -m pip install --pre libtpu-nightly==0.1.dev${{ env.LIBTPU_OLDEST_VERSION_DATE }} \
               -f https://storage.googleapis.com/jax-releases/libtpu_releases.html
-            pip install requests
+            $PYTHON -m pip install requests
           else
             echo "Unknown jaxlib-version: ${{ matrix.jaxlib-version }}"
             exit 1
           fi
 
-          python3 -c 'import sys; print("python version:", sys.version)'
-          python3 -c 'import jax; print("jax version:", jax.__version__)'
-          python3 -c 'import jaxlib; print("jaxlib version:", jaxlib.__version__)'
-          strings $HOME/.local/lib/python3.10/site-packages/libtpu/libtpu.so | grep 'Built on'
-          python3 -c 'import jax; print("libtpu version:",
+          $PYTHON -c 'import sys; print("python version:", sys.version)'
+          $PYTHON -c 'import jax; print("jax version:", jax.__version__)'
+          $PYTHON -c 'import jaxlib; print("jaxlib version:", jaxlib.__version__)'
+          strings /usr/local/lib/"$PYTHON"/dist-packages/libtpu/libtpu.so | grep 'Built on'
+          $PYTHON -c 'import jax; print("libtpu version:",
             jax.lib.xla_bridge.get_backend().platform_version)'
       - name: Run tests
         env:
           JAX_PLATFORMS: tpu,cpu
           PY_COLORS: 1
         run: |
           # Run single-accelerator tests in parallel
-          JAX_ENABLE_TPU_XDIST=true python3 -m pytest -n=${{ matrix.tpu.cores }} --tb=short \
+          JAX_ENABLE_TPU_XDIST=true $PYTHON -m pytest -n=${{ matrix.tpu.cores }} --tb=short \
             --deselect=tests/pallas/tpu_pallas_test.py::PallasCallPrintTest \
             --maxfail=20 -m "not multiaccelerator" tests examples
           # Run Pallas printing tests, which need to run with I/O capturing disabled.
-          TPU_STDERR_LOG_LEVEL=0 python3 -m pytest -s \
+          TPU_STDERR_LOG_LEVEL=0 $PYTHON -m pytest -s \
             tests/pallas/tpu_pallas_test.py::PallasCallPrintTest
           # Run multi-accelerator across all chips
-          python3 -m pytest --tb=short --maxfail=20 -m "multiaccelerator" tests
+          $PYTHON -m pytest --tb=short --maxfail=20 -m "multiaccelerator" tests
       - name: Send chat on failure
         # Don't notify when testing the workflow from a branch.
         if: ${{ (failure() || cancelled()) && github.ref_name == 'main' && matrix.jaxlib-version != 'nightly+oldest_supported_libtpu' }}

.github/workflows/jax-array-api.yml

@@ -28,7 +28,7 @@ jobs:
       with:
         repository: data-apis/array-api-tests
         # TODO(jakevdp) update this to a stable release/tag when available.
-        ref: 'bcd5919bbbdf4d4806b5b2613b4d8c0bc0625c54'  # Latest commit as of 2024-10-31 👻
+        ref: 'ad81cf6c3721d9dbeb168bdab49c962b6b38c0d5'  # Latest commit as of 2024-11-20
         submodules: 'true'
         path: 'array-api-tests'
     - name: Set up Python ${{ matrix.python-version }}

CHANGELOG.md

@@ -13,6 +13,21 @@ When releasing, please add the new-release-boilerplate to docs/pallas/CHANGELOG.
 ## jax 0.4.36
 
 * Breaking Changes
+  * This release lands "stackless", an internal change to JAX's tracing
+    machinery. We made trace dispatch purely a function of context rather than a
+    function of both context and data. This let us delete a lot of machinery for
+    managing data-dependent tracing: levels, sublevels, `post_process_call`,
+    `new_base_main`, `custom_bind`, and so on. The change should only affect
+    users that use JAX internals.
+
+    If you do use JAX internals then you may need to
+    update your code (see
+    https://github.com/jax-ml/jax/commit/c36e1f7c1ad4782060cbc8e8c596d85dfb83986f
+    for clues about how to do this). There might also be version skew
+    issues with JAX libraries that do this. If you find this change breaks your
+    non-JAX-internals-using code then try the
+    `config.jax_data_dependent_tracing_fallback` flag as a workaround, and if
+    you need help updating your code then please file a bug.
   * {func}`jax.experimental.jax2tf.convert` with `native_serialization=False`
     or with `enable_xla=False` have been deprecated since July 2024, with
     JAX version 0.4.31. Now we removed support for these use cases. `jax2tf`
@@ -43,6 +58,9 @@ When releasing, please add the new-release-boilerplate to docs/pallas/CHANGELOG.
   * {func}`jax.scipy.linalg.toeplitz` now does implicit batching on multi-dimensional
     inputs. To recover the previous behavior, you can call {func}`jax.numpy.ravel`
     on the function inputs.
+  * {func}`jax.scipy.special.gamma` and {func}`jax.scipy.special.gammasgn` now
+    return NaN for negative integer inputs, to match the behavior of SciPy from
+    https://github.com/scipy/scipy/pull/21827.
   * `jax.clear_backends` was removed after being deprecated in v0.4.26.
 
 * New Features
@@ -52,12 +70,22 @@ When releasing, please add the new-release-boilerplate to docs/pallas/CHANGELOG.
   * {func}`jax.tree_util.register_dataclass` now allows metadata fields to be
     declared inline via {func}`dataclasses.field`. See the function documentation
     for examples.
+  * Added {func}`jax.numpy.put_along_axis`.
+  * {func}`jax.lax.linalg.eig` and the related `jax.numpy` functions
+    ({func}`jax.numpy.linalg.eig` and {func}`jax.numpy.linalg.eigvals`) are now
+    supported on GPU. See {jax-issue}`#24663` for more details.
 
 * Bug fixes
   * Fixed a bug where the GPU implementations of LU and QR decomposition would
     result in an indexing overflow for batch sizes close to int32 max. See
     {jax-issue}`#24843` for more details.
 
+* Deprecations
+  * `jax.lib.xla_extension.ArrayImpl` and `jax.lib.xla_client.ArrayImpl` are deprecated;
+    use `jax.Array` instead.
+  * `jax.lib.xla_extension.XlaRuntimeError` is deprecated; use `jax.errors.JaxRuntimeError`
+    instead.
+
 ## jax 0.4.35 (Oct 22, 2024)
 
 * Breaking Changes

README.md

@@ -189,8 +189,7 @@ You can mix `jit` and `grad` and any other JAX transformation however you like.
 
 Using `jit` puts constraints on the kind of Python control flow
 the function can use; see
-the [Gotchas
-Notebook](https://jax.readthedocs.io/en/latest/notebooks/Common_Gotchas_in_JAX.html#python-control-flow-+-JIT)
+the tutorial on [Control Flow and Logical Operators with JIT](https://jax.readthedocs.io/en/latest/control-flow.html)
 for more.
 
 ### Auto-vectorization with `vmap`
@@ -349,7 +348,7 @@ Some standouts:
 1. [In-place mutating updates of
    arrays](https://jax.readthedocs.io/en/latest/notebooks/Common_Gotchas_in_JAX.html#in-place-updates), like `x[i] += y`, aren't supported, but [there are functional alternatives](https://jax.readthedocs.io/en/latest/jax.ops.html). Under a `jit`, those functional alternatives will reuse buffers in-place automatically.
 1. [Random numbers are
-   different](https://jax.readthedocs.io/en/latest/notebooks/Common_Gotchas_in_JAX.html#random-numbers), but for [good reasons](https://github.com/jax-ml/jax/blob/main/docs/jep/263-prng.md).
+   different](https://jax.readthedocs.io/en/latest/random-numbers.html), but for [good reasons](https://github.com/jax-ml/jax/blob/main/docs/jep/263-prng.md).
 1. If you're looking for [convolution
    operators](https://jax.readthedocs.io/en/latest/notebooks/convolutions.html),
    they're in the `jax.lax` package.
@@ -369,7 +368,7 @@ Some standouts:
    and NumPy types aren't preserved, namely `np.add(1, np.array([2],
    np.float32)).dtype` is `float64` rather than `float32`.
 1. Some transformations, like `jit`, [constrain how you can use Python control
-   flow](https://jax.readthedocs.io/en/latest/notebooks/Common_Gotchas_in_JAX.html#control-flow).
+   flow](https://jax.readthedocs.io/en/latest/control-flow.html).
    You'll always get loud errors if something goes wrong. You might have to use
    [`jit`'s `static_argnums`
    parameter](https://jax.readthedocs.io/en/latest/jax.html#just-in-time-compilation-jit),
@@ -390,6 +389,7 @@ Some standouts:
 | Google TPU | yes          | n/a           | n/a          | n/a          | n/a            | n/a                 |
 | AMD GPU    | yes          | no            | experimental | n/a          | no             | no                  |
 | Apple GPU  | n/a          | no            | n/a          | experimental | n/a            | n/a                 |
+| Intel GPU  | experimental | n/a           | n/a          | n/a          | no             | no                  |
 
 
 ### Instructions
@@ -401,6 +401,7 @@ Some standouts:
 | Google TPU      | `pip install -U "jax[tpu]" -f https://storage.googleapis.com/jax-releases/libtpu_releases.html`                 |
 | AMD GPU (Linux) | Use [Docker](https://hub.docker.com/r/rocm/jax-community/tags), [pre-built wheels](https://github.com/ROCm/jax/releases), or [build from source](https://jax.readthedocs.io/en/latest/developer.html#additional-notes-for-building-a-rocm-jaxlib-for-amd-gpus). |
 | Mac GPU         | Follow [Apple's instructions](https://developer.apple.com/metal/jax/).                                          |
+| Intel GPU       | Follow [Intel's instructions](https://github.com/intel/intel-extension-for-openxla/blob/main/docs/acc_jax.md).  |
 
 See [the documentation](https://jax.readthedocs.io/en/latest/installation.html)
 for information on alternative installation strategies. These include compiling

benchmarks/shape_poly_benchmark.py

@@ -17,7 +17,6 @@
 
 import jax
 from jax import core
-from jax._src.numpy import lax_numpy
 from jax import export
 
 jax.config.parse_flags_with_absl()
@@ -76,7 +75,7 @@ def inequalities_slice(state):
   while state:
     for _ in range(30):
       a.scope._clear_caches()
-      start, _, slice_size = lax_numpy._preprocess_slice(slice(2, a, 4), b)
+      start, _, slice_size = core.canonicalize_slice(slice(2, a, 4), b)
       _ = 0 <= slice_size <= b
       _ = start >= 0
       _ = start + slice_size <= b

ci/run_bazel_test_gpu_rbe.sh

@@ -0,0 +1,51 @@
+#!/bin/bash
+# Copyright 2024 The JAX Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ==============================================================================
+# Runs Bazel GPU tests with RBE. This runs single accelerator tests with one
+# GPU apiece on RBE.
+#
+# -e: abort script if one command fails
+# -u: error if undefined variable used
+# -x: log all commands
+# -o history: record shell history
+# -o allexport: export all functions and variables to be available to subscripts
+set -exu -o history -o allexport
+
+# Source default JAXCI environment variables.
+source ci/envs/default.env
+
+# Clone XLA at HEAD if path to local XLA is not provided
+if [[ -z "$JAXCI_XLA_GIT_DIR" ]]; then
+    export JAXCI_CLONE_MAIN_XLA=1
+fi
+
+# Set up the build environment.
+source "ci/utilities/setup_build_environment.sh"
+
+# Run Bazel GPU tests with RBE (single accelerator tests with one GPU apiece).
+echo "Running RBE GPU tests..."
+
+bazel test --config=rbe_linux_x86_64_cuda \
+      --repo_env=HERMETIC_PYTHON_VERSION="$JAXCI_HERMETIC_PYTHON_VERSION" \
+      --override_repository=xla="${JAXCI_XLA_GIT_DIR}" \
+      --test_env=XLA_PYTHON_CLIENT_ALLOCATOR=platform \
+      --test_output=errors \
+      --test_env=TF_CPP_MIN_LOG_LEVEL=0 \
+      --test_env=JAX_EXCLUDE_TEST_TARGETS=PmapTest.testSizeOverflow \
+      --test_tag_filters=-multiaccelerator \
+      --test_env=JAX_SKIP_SLOW_TESTS=true \
+      --action_env=JAX_ENABLE_X64=0 \
+      --color=yes \
+      //tests:gpu_tests //tests:backend_independent_tests //tests/pallas:gpu_tests //tests/pallas:backend_independent_tests

docs/Custom_Operation_for_GPUs.md

@@ -623,16 +623,16 @@ be used with the custom_partitioning registration and for the
 gradient. (And if you implement the interface to support vmat, it will
 also be on the outer primitive).
 
-JAX custom_partitioning implementation are callbacks from XLA to Python during XLA sharding logic.
+JAX custom_partitioning implementations are callbacks from XLA to Python during XLA sharding logic.
 XLA sharding goes in two phases: a sharding propagation phase and a partition phase.
-The propagation phase is when XLA plan the sharding to be created. It is the partition phase that create the sharded graph.
+The propagation phase is when XLA plan the sharding to be created. It is the partition phase that creates the sharded graph.
 For XLA to be able to shard our custom operations, it needs us to define 2 extra functions:
 infer_sharding_from_operands() and partition(). They are used in the first and second phase respectively.
 
 The infer_sharding_from_operands() function must do what its name say: infer the output sharding from the input sharding.
 
 The partition() function will do a few things:
-- tell which input sharding will be expected. XLA will reshad if needed.
+- tell which input sharding will be expected. XLA will reshard if needed.
 - tell the final version of the output sharding.
 - give a function that will create the new instruction from the sharded inputs.