Support for OFI and UCX

* MPICH: Configure --with-device=ch4:ucx,ofi
* Open MPI: Configure --with-ucx --with-ofi
* Remove support for ppc64le architecture
* Use manylinux 2.28 image
* Reproducible builds
* Strip binaries to reduce size
* Remove unneeded binaries
* Package various licenses

.github/workflows/cd-wheel.yml

@@ -54,7 +54,6 @@ on:  # yamllint disable-line rule:truthy
           - all
           - Linux
           - Linux-aarch64
-          - Linux-ppc64le
           - Linux-x86_64
           - macOS
           - macOS-arm64
@@ -76,11 +75,11 @@ jobs:
       shell: python
       name: 'setup build matrix'
       run: |
+        # setup build matrix # "
         keys = ("os", "arch", "runner")
         rows = [
-            ("Linux", "aarch64", "ubuntu-22.04"),
-            ("Linux", "ppc64le", "ubuntu-22.04"),
-            ("Linux", "x86_64",  "ubuntu-22.04"),
+            ("Linux", "aarch64", "ubuntu-24.04-arm"),
+            ("Linux", "x86_64",  "ubuntu-24.04"),
             ("macOS", "arm64",   "macos-14"),
             ("macOS", "x86_64",  "macos-13"),
         ]
@@ -93,6 +92,7 @@ jobs:
         import os, json
         with open(os.getenv("GITHUB_OUTPUT"), "w") as out:
             print(f"matrix={json.dumps(matrix)}", file=out)
+        # "
 
   build:
     needs: setup
@@ -113,16 +113,21 @@ jobs:
       if: ${{ runner.os == 'macOS' }}
       name: setup-macOS
       run: |
+        # set macOS deployment target
+        case $(uname -m) in
+        arm64)  echo MACOSX_DEPLOYMENT_TARGET=11.0  >> $GITHUB_ENV ;;
+        x86_64) echo MACOSX_DEPLOYMENT_TARGET=10.15 >> $GITHUB_ENV ;;
+        esac
         # create gfortran symlink
         cd $(brew --prefix)/bin
         gfortran=$(ls gfortran-* | sort | head -n 1)
         sudo ln -s $gfortran gfortran
+        # unlink libevent
+        brew unlink libevent || true
         # install autotools
         brew install autoconf
         brew install automake
         brew install libtool
-        # unlink libevent
-        brew unlink libevent || true
         # install uv
         brew install uv
 
@@ -131,20 +136,19 @@ jobs:
       with:
         python-version: 3
 
-    - id: setup-qemu
-      if: ${{ runner.os == 'Linux' }}
-      uses: docker/setup-qemu-action@v3
-      with:
-        platforms: all
-
     - id: bootstrap
       run: ./bootstrap.sh
 
     - id: source-date-epoch
       run: |
-        SOURCE_DATE_EPOCH=$(git log -1 --pretty=%ct)
+        read -r SOURCE_DATE_EPOCH < source-date-epoch || true
+        SOURCE_DATE_EPOCH=${SOURCE_DATE_EPOCH:-$(git log -1 --pretty=%ct)}
         echo SOURCE_DATE_EPOCH=$SOURCE_DATE_EPOCH >> $GITHUB_ENV
-        echo $(git log -1 --pretty=%ci) [timestamp=$SOURCE_DATE_EPOCH]
+        test $(uname) = Darwin && (echo ZERO_AR_DATE=1 >> $GITHUB_ENV)
+        echo [SOURCE_DATE_EPOCH=$SOURCE_DATE_EPOCH] $(
+        date -u -d @$SOURCE_DATE_EPOCH 2>/dev/null ||
+        date -u -r  $SOURCE_DATE_EPOCH 2>/dev/null )
+      working-directory: package/source
 
     - id: build
       uses: pypa/[email protected]
@@ -159,6 +163,8 @@ jobs:
         CIBW_ARCHS: "${{ matrix.arch }}"
         CIBW_BEFORE_ALL: >-
           bash {project}/cibw-build-mpi.sh
+        CIBW_BEFORE_BUILD: >-
+          bash {project}/cibw-patch-cmd.sh
         CIBW_TEST_COMMAND: >-
           bash {project}/cibw-check-mpi.sh
         CIBW_ENVIRONMENT_PASS: >-
@@ -171,12 +177,8 @@ jobs:
           SOURCE="$PWD/package/source"
           WORKDIR="$PWD/package/workdir"
           DESTDIR="$PWD/package/install"
-        CIBW_REPAIR_WHEEL_COMMAND_MACOS: >
-          delocate-wheel
-          --ignore-missing-dependencies
-          --exclude libmpi --exclude libpmpi
-          --require-archs {delocate_archs}
-          -w {dest_dir} -v {wheel}
+        CIBW_MANYLINUX_AARCH64_IMAGE: manylinux_2_28
+        CIBW_MANYLINUX_X86_64_IMAGE:  manylinux_2_28
 
     - id: sha256sum
       run: |
@@ -190,8 +192,24 @@ jobs:
     - id: upload
       uses: actions/upload-artifact@v4
       with:
-        name: wheel-${{ inputs.mpiname }}-${{ matrix.os }}-${{ matrix.arch }}
+        name: "wheel-${{ inputs.mpiname }}-\
+              ${{ inputs.version || 'latest' }}-\
+              ${{ matrix.os }}-${{ matrix.arch }}"
         path: wheelhouse/*.whl
 
     - id: check
-      run: ./check-wheel.sh wheelhouse
+      run: ./wheel-check.sh wheelhouse
+
+    - id: test
+      run: |
+        # ./wheel-test.sh
+        test $(uname) = Linux && runner=(
+        docker run
+        -e MPINAME=${{ inputs.mpiname }}
+        -v $(pwd):/${{ github.workspace }}
+        -w ${{ github.workspace }}
+        --platform linux/${{
+        matrix.arch == 'aarch64' && 'arm64' ||
+        matrix.arch == 'x86_64'  && 'amd64'
+        }} python:3)
+        ${runner[@]:-} ./wheel-test.sh wheelhouse

.github/workflows/cd.yml

@@ -32,7 +32,6 @@ on:  # yamllint disable-line rule:truthy
           - all
           - Linux
           - Linux-aarch64
-          - Linux-ppc64le
           - Linux-x86_64
           - macOS
           - macOS-arm64

.github/workflows/ci.yml

@@ -11,12 +11,32 @@ on:  # yamllint disable-line rule:truthy
 
 jobs:
 
-  mpich:
+  mpich-42:
     uses: ./.github/workflows/cd-wheel.yml
     with:
       mpiname: mpich
+      version:
 
-  openmpi:
+  mpich-41:
+    uses: ./.github/workflows/cd-wheel.yml
+    with:
+      mpiname: mpich
+      version: 4.1.3
+
+  mpich-34:
+    uses: ./.github/workflows/cd-wheel.yml
+    with:
+      mpiname: mpich
+      version: 3.4.3
+
+  openmpi-50:
+    uses: ./.github/workflows/cd-wheel.yml
+    with:
+      mpiname: openmpi
+      version:
+
+  openmpi-41:
     uses: ./.github/workflows/cd-wheel.yml
     with:
       mpiname: openmpi
+      version: 4.1.6

.gitignore

@@ -5,4 +5,5 @@
 /venv/
 *.egg-info/
 *.tar.gz
+*.tar.bz2
 *~

.yamllint.yml

@@ -0,0 +1,13 @@
+# https://github.com/adrienverge/yamllint
+
+extends: default
+rules:
+  document-start: disable
+  colons:
+    max-spaces-before: 0
+    max-spaces-after: -1
+  indentation:
+    indent-sequences: whatever
+  line-length:
+    level: warning
+    max: 80

LICENSE.md

@@ -1,6 +1,4 @@
-BSD 2-Clause License
-
-Copyright (c) 2024, MPI for Python
+Copyright (c) 2025, Lisandro Dalcin
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are met:
@@ -12,6 +10,10 @@ modification, are permitted provided that the following conditions are met:
    this list of conditions and the following disclaimer in the documentation
    and/or other materials provided with the distribution.
 
+3. Neither the name of the copyright holder nor the names of its contributors
+   may be used to endorse or promote products derived from this software
+   without specific prior written permission.
+
 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

Makefile

@@ -1,19 +1,21 @@
 build:
 	./bootstrap.sh
-	./build-wheel.sh dist
-	./check-wheel.sh dist
+	./wheel-build.sh dist
+	./wheel-check.sh dist
+	./wheel-test.sh  dist
 
 lint:
 	codespell *.sh */*.py
 	shellcheck *.sh
-	ruff check -qn package/*.py
+	ruff check -qn */*.py
 	yamllint .github/
 
 clean:
+	$(RM) -r package/METADATA
+	$(RM) -r package/LICENSE*
 	$(RM) -r package/build
-	$(RM) -r package/LICENSE
-	$(RM) -r package/install
 	$(RM) -r package/source
 	$(RM) -r package/workdir
+	$(RM) -r package/install
 	$(RM) -r package/*.egg-info
 	$(RM) -r .*_cache

README.md

@@ -5,7 +5,7 @@ This repository builds and publishes [MPICH](https://www.mpich.org) and
 a variety of
 
 - operating systems: *Linux*, *macOS*;
-- processor architectures: *AMD64*, *ARM64*, *PPC64*;
+- processor architectures: *AMD64*, *ARM64*;
 - Python implementations: *CPython*, *PyPy*.
 
 MPI wheels are uploaded to the [Anaconda.org](https://anaconda.org/mpi4py)