CI: 04/16/25 upstream sync

.bazelrc

@@ -31,6 +31,7 @@ build -c opt
 build --output_filter=DONT_MATCH_ANYTHING
 
 build --copt=-DMLIR_PYTHON_PACKAGE_PREFIX=jaxlib.mlir.
+build --copt=-DNB_DOMAIN=jax
 
 # #############################################################################
 # Platform Specific configs below. These are automatically picked up by Bazel
@@ -97,6 +98,7 @@ build:windows --incompatible_strict_action_env=true
 # #############################################################################
 build:nonccl --define=no_nccl_support=true
 
+build --repo_env USE_PYWRAP_RULES=1
 build:posix --copt=-fvisibility=hidden
 build:posix --copt=-Wno-sign-compare
 build:posix --cxxopt=-std=c++17
@@ -130,19 +132,21 @@ build:clang --copt=-Wno-gnu-offsetof-extensions
 build:clang --copt=-Qunused-arguments
 # Error on struct/class mismatches, since this causes link failures on Windows.
 build:clang --copt=-Werror=mismatched-tags
+# Required when building with clang>=19, see jax-ml/jax#27091
+build:clang --copt=-Wno-error=c23-extensions
 
 # Configs for CUDA
 build:cuda --repo_env TF_NEED_CUDA=1
 build:cuda --repo_env TF_NCCL_USE_STUB=1
 # "sm" means we emit only cubin, which is forward compatible within a GPU generation.
 # "compute" means we emit both cubin and PTX, which is larger but also forward compatible to future GPU generations.
-build:cuda --repo_env HERMETIC_CUDA_COMPUTE_CAPABILITIES="sm_50,sm_60,sm_70,sm_80,compute_90"
+build:cuda --repo_env HERMETIC_CUDA_COMPUTE_CAPABILITIES="sm_50,sm_60,sm_70,sm_80,sm_90,sm_100,compute_120"
 build:cuda --crosstool_top=@local_config_cuda//crosstool:toolchain
 build:cuda --@local_config_cuda//:enable_cuda
 
 # Default hermetic CUDA and CUDNN versions.
-build:cuda --repo_env=HERMETIC_CUDA_VERSION="12.3.2"
-build:cuda --repo_env=HERMETIC_CUDNN_VERSION="9.1.1"
+build:cuda --repo_env=HERMETIC_CUDA_VERSION="12.8.0"
+build:cuda --repo_env=HERMETIC_CUDNN_VERSION="9.8.0"
 build:cuda --@local_config_cuda//cuda:include_cuda_libs=true
 
 # This config is used for building targets with CUDA libraries from stubs.
@@ -253,15 +257,19 @@ build:ci_linux_aarch64_cuda --action_env=CLANG_CUDA_COMPILER_PATH="/usr/lib/llvm
 
 # Mac Arm64 CI configs
 build:ci_darwin_arm64 --macos_minimum_os=11.0
+# Clang 19 requires `-Wno-error=c23-extensions` but this flag is not supported
+# on Apple Clang in XCode 16.0 so we suppress unknown warning option errors
+# on Mac CI builds.
+build:ci_darwin_arm64 --copt=-Wno-unknown-warning-option
 build:ci_darwin_arm64 --config=macos_cache_push
 build:ci_darwin_arm64 --verbose_failures=true
 build:ci_darwin_arm64 --color=yes
 
 # Windows x86 CI configs
 build:ci_windows_amd64 --config=avx_windows
 build:ci_windows_amd64 --compiler=clang-cl --config=clang --verbose_failures=true
-build:ci_windows_amd64 --crosstool_top="@xla//tools/toolchains/win/20240424:toolchain"
-build:ci_windows_amd64 --extra_toolchains="@xla//tools/toolchains/win/20240424:cc-toolchain-x64_windows-clang-cl"
+build:ci_windows_amd64 --crosstool_top="@xla//tools/toolchains/win2022/20241118:toolchain"
+build:ci_windows_amd64 --extra_toolchains="@xla//tools/toolchains/win2022/20241118:cc-toolchain-x64_windows-clang-cl"
 build:ci_windows_amd64 --host_linkopt=/FORCE:MULTIPLE --linkopt=/FORCE:MULTIPLE
 build:ci_windows_amd64 --color=yes
 
@@ -329,9 +337,9 @@ common:rbe_windows_amd64 --remote_instance_name=projects/tensorflow-testing/inst
 build:rbe_windows_amd64 --config=rbe
 
 # Set the host, execution, and target platform
-build:rbe_windows_amd64 --host_platform="@xla//tools/toolchains/win:x64_windows-clang-cl"
-build:rbe_windows_amd64 --extra_execution_platforms="@xla//tools/toolchains/win:x64_windows-clang-cl"
-build:rbe_windows_amd64 --platforms="@xla//tools/toolchains/win:x64_windows-clang-cl"
+build:rbe_windows_amd64 --host_platform="@xla//tools/toolchains/win2022:windows_ltsc2022_clang"
+build:rbe_windows_amd64 --extra_execution_platforms="@xla//tools/toolchains/win2022:windows_ltsc2022_clang"
+build:rbe_windows_amd64 --platforms="@xla//tools/toolchains/win2022:windows_ltsc2022_clang"
 
 build:rbe_windows_amd64 --shell_executable=C:\\tools\\msys64\\usr\\bin\\bash.exe
 build:rbe_windows_amd64 --enable_runfiles

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -24,7 +24,7 @@ body:
 
       [issue search]: https://github.com/jax-ml/jax/search?q=is%3Aissue&type=issues
 
-      [Raw report]: http://github.com/jax-ml/jax/issues/new
+      [Raw report]: https://github.com/jax-ml/jax/issues/new?template=none
 - type: textarea
   attributes:
     label: Description

.github/workflows/bazel_cuda_non_rbe.yml

@@ -47,7 +47,7 @@ jobs:
         # Explicitly set the shell to bash
         shell: bash
     runs-on: ${{ inputs.runner }}
-    container: "us-central1-docker.pkg.dev/tensorflow-sigs/tensorflow/ml-build-cuda12.3-cudnn9.1:latest"
+    container: "us-central1-docker.pkg.dev/tensorflow-sigs/tensorflow/ml-build-cuda12.8-cudnn9.8:latest"
 
     env:
       JAXCI_HERMETIC_PYTHON_VERSION: ${{ inputs.python }}
@@ -79,6 +79,7 @@ jobs:
         continue-on-error: true
         run: >-
           mkdir -p $(pwd)/dist &&
+          gsutil -m cp -r "${{ inputs.gcs_download_uri }}"/jax*py3*none*any.whl $(pwd)/dist/ &&
           gsutil -m cp -r "${{ inputs.gcs_download_uri }}/jaxlib*${PYTHON_MAJOR_MINOR}*${OS}*${ARCH}*.whl" $(pwd)/dist/ &&
           gsutil -m cp -r "${{ inputs.gcs_download_uri }}/jax*cuda*plugin*${PYTHON_MAJOR_MINOR}*${OS}*${ARCH}*.whl" $(pwd)/dist/ &&
           gsutil -m cp -r "${{ inputs.gcs_download_uri }}/jax*cuda*pjrt*${OS}*${ARCH}*.whl" $(pwd)/dist/

.github/workflows/bazel_optional_b200.yml

@@ -0,0 +1,62 @@
+name: CI - Bazel Optional B200 CUDA tests
+on:
+  # Runs on PR if label "CI Optional GPU Presubmit" is present.
+  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'
+  pull_request:
+    branches:
+      - main
+    types: [ labeled, synchronize ]
+  schedule:
+    - cron: "0 */2 * * *" # Run once every 2 hours
+permissions:
+  contents: read
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.ref }}
+  # Don't cancel in-progress jobs for main/release branches.
+  cancel-in-progress: ${{ !contains(github.ref, 'release/') && github.ref != 'main' }}
+jobs:
+  run_tests:
+    if: ${{ github.event.repository.fork == false && (github.event_name == 'schedule' || contains(github.event.pull_request.labels.*.name, 'CI Optional GPU Presubmit')) }}
+    runs-on: linux-x86-a4-224-b200-1gpu
+    container: 'us-central1-docker.pkg.dev/tensorflow-sigs/tensorflow/ml-build-cuda12.8-cudnn9.8:latest'
+    name: "Bazel single B200 CUDA tests"
+# End Presubmit Naming Check github-cuda-presubmits
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
+      - name: Wait For Connection
+        uses: google-ml-infra/actions/ci_connection@main
+        with:
+          halt-dispatch-input: ${{ inputs.halt-for-connection }}
+      - name: Run Bazel CUDA Tests
+        run: |
+            nvidia-smi
+            bazel test --config=ci_linux_x86_64_cuda \
+            --config=resultstore \
+            --config=rbe_cache \
+            --repo_env=HERMETIC_CUDA_VERSION="12.8.0" \
+            --repo_env=HERMETIC_CUDNN_VERSION="9.8.0" \
+            --repo_env=HERMETIC_PYTHON_VERSION="3.13" \
+            --test_env=XLA_PYTHON_CLIENT_ALLOCATOR=platform \
+            --run_under "$(pwd)/build/parallel_accelerator_execute.sh" \
+            --test_output=errors \
+            --test_env=JAX_ACCELERATOR_COUNT=1 \
+            --test_env=JAX_TESTS_PER_ACCELERATOR=32 \
+            --local_test_jobs=32 \
+            --test_env=JAX_EXCLUDE_TEST_TARGETS=PmapTest.testSizeOverflow \
+            --test_tag_filters=-multiaccelerator \
+            --test_env=TF_CPP_MIN_LOG_LEVEL=0 \
+            --test_env=JAX_SKIP_SLOW_TESTS=true \
+            --action_env=JAX_ENABLE_X64="1" \
+            --action_env=NCCL_DEBUG=WARN \
+            --color=yes \
+            //tests:gpu_tests //tests:backend_independent_tests \
+            //tests/pallas:gpu_tests //tests/pallas:backend_independent_tests

.github/workflows/build_artifacts.yml

@@ -16,8 +16,8 @@ on:
         default: "linux-x86-n2-16"
         options:
         - "linux-x86-n2-16"
-        - "linux-arm64-c4a-64"
-        - "windows-x86-n2-64"
+        - "linux-arm64-t2a-48"
+        - "windows-x86-n2-16"
       artifact:
         description: "Which JAX artifact to build?"
         type: choice
@@ -119,11 +119,11 @@ jobs:
 
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-      - name: Enable RBE if building on Linux x86
-        if: contains(inputs.runner, 'linux-x86')
+      - name: Enable RBE if building on Linux x86 or Windows x86
+        if: contains(inputs.runner, 'linux-x86') || contains(inputs.runner, 'windows-x86')
         run: echo "JAXCI_BUILD_ARTIFACT_WITH_RBE=1" >> $GITHUB_ENV
-      - name: Enable Bazel remote cache (with writes enabled) if building on Linux Aarch64 or Windows x86
-        if: contains(inputs.runner, 'linux-arm64') || contains(inputs.runner, 'windows-x86')
+      - name: Enable Bazel remote cache (with writes enabled) if building on Linux Aarch64
+        if: contains(inputs.runner, 'linux-arm64')
         run: echo "JAXCI_WRITE_TO_BAZEL_REMOTE_CACHE=1" >> $GITHUB_ENV
       # Halt for testing
       - name: Wait For Connection

.github/workflows/ci-build.yaml

@@ -31,11 +31,11 @@ jobs:
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
       - name: Set up Python 3.11
-        uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38  # v5.4.0
+        uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55  # v5.5.0
         with:
           python-version: 3.11
       - run: python -m pip install pre-commit
-      - uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 # v4.2.0
+      - uses: actions/cache@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3
         with:
           path: ~/.cache/pre-commit
           key: pre-commit-${{ env.pythonLocation }}-${{ hashFiles('.pre-commit-config.yaml', 'setup.py') }}
@@ -70,7 +70,7 @@ jobs:
         apt update
         apt install -y libssl-dev
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38  # v5.4.0
+      uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55  # v5.5.0
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
@@ -108,7 +108,7 @@ jobs:
     steps:
     - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38  # v5.4.0
+      uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55  # v5.5.0
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
@@ -140,9 +140,9 @@ jobs:
     - name: Image Setup
       run: |
         apt update
-        apt install -y libssl-dev libsqlite3-dev
+        apt install -y libssl-dev libsqlite3-dev build-essential
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38  # v5.4.0
+      uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55  # v5.5.0
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
@@ -151,7 +151,7 @@ jobs:
         uv pip install --system -r docs/requirements.txt
     - name: Render documentation
       run: |
-        sphinx-build -j auto --color -W --keep-going -b html -D nb_execution_mode=off docs docs/build/html
+        sphinx-build -j auto --color -W --keep-going -b html docs docs/build/html
 
   jax2tf_test:
     name: "jax2tf_test (py ${{ matrix.python-version }} on ${{ matrix.os }}, x64=${{ matrix.enable-x64}})"
@@ -168,7 +168,7 @@ jobs:
     steps:
     - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38  # v5.4.0
+      uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55  # v5.5.0
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
@@ -201,7 +201,7 @@ jobs:
     steps:
     - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
     - name: Set up Python
-      uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38  # v5.4.0
+      uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55  # v5.5.0
       with:
         python-version: 3.12
     - name: Install JAX

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

@@ -26,7 +26,6 @@ jobs:
       matrix:
         jaxlib-version: ["head", "pypi_latest", "nightly", "nightly+oldest_supported_libtpu"]
         tpu: [
-          # {type: "v3-8", cores: "4"}, # Enable when we have the v3 type available
           {type: "v4-8", cores: "4", runner: "linux-x86-ct4p-240-4tpu"},
           {type: "v5e-8", cores: "8", runner: "linux-x86-ct5lp-224-8tpu"}
         ]

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

@@ -62,4 +62,5 @@ jobs:
       python: "3.10"
       libtpu-version-type: "nightly"
       gcs_download_uri: ${{ needs.build-jax-artifacts.outputs.gcs_upload_uri }}
+      halt-for-connection: ${{ inputs.halt-for-connection || false }}
     # End Presubmit Naming Check github-tpu-presubmits

.github/workflows/community_release_actions.yml

@@ -0,0 +1,34 @@
+name: Release Actions
+
+on:
+  release:
+    types: [published]
+
+permissions:
+  contents: read
+
+jobs:
+  discord_release:
+    if: github.repository_owner == 'jax-ml'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Get release URL
+        id: get-release-url
+        run: |
+          URL="https://docs.jax.dev/en/latest/changelog.html"
+          echo "::set-output name=URL::$URL"
+      - name: Get content
+        uses: 2428392/gh-truncate-string-action@b3ff790d21cf42af3ca7579146eedb93c8fb0757 # v1.4.1
+        id: get-content
+        with:
+          stringToTruncate: |
+            JAX [${{ github.event.release.tag_name }}](<${{ steps.get-release-url.outputs.URL }}>) was just released!
+
+            ${{ github.event.release.body }}
+          maxLength: 2000
+          truncationSymbol: "..."
+      - name: Discord Webhook Action
+        uses: tsickert/discord-webhook@b217a69502f52803de774ded2b1ab7c282e99645 # v7.0.0
+        with:
+          webhook-url: ${{ secrets.DISCORD_WEBHOOK_URL }}
+          content: ${{ steps.get-content.outputs.string }}

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

@@ -28,11 +28,11 @@ jobs:
       with:
         repository: data-apis/array-api-tests
         # TODO(jakevdp) update this to a stable release/tag when available.
-        ref: '0b89c5268e4e4a352223a487b8f63dbd1023872d'  # Latest commit as of 2025-03-04
+        ref: 'c48410f96fc58e02eea844e6b7f6cc01680f77ce'  # Latest commit as of 2025-04-02
         submodules: 'true'
         path: 'array-api-tests'
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38  # v5.4.0
+      uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55  # v5.5.0
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies