Intel MPI: Support for Windows

Author: dalcinl

.github/workflows/ci.yml

@@ -45,14 +45,10 @@ jobs:
             mpi: mpich
           - os: windows-2022
             mpi: openmpi
-          - os: windows-2022
-            mpi: intelmpi
           - os: windows-2019
             mpi: mpich
           - os: windows-2019
             mpi: openmpi
-          - os: windows-2019
-            mpi: intelmpi
 
     steps:
 
@@ -88,33 +84,39 @@ jobs:
         Write-Host MSMPI_LIB64=$Env:MSMPI_LIB64
       if:   ${{ matrix.mpi == 'msmpi' }}
 
-    - name: Show MPI C compiler wrapper
+    - name: Show MPI compiler wrappers
       run: |
         command -v mpicc
         mpicc -show
-      if: ${{ runner.os != 'Windows' }}
 
-    - name: Show MPI C++ compiler wrapper
-      run: |
         command -v mpicxx
         mpicxx -show
-      if: ${{ runner.os != 'Windows' }}
 
-    - name: Show MPI Fortran compiler wrapper
-      run: |
         mpifort=$(command -v mpifort || command -v mpifc)
         command -v $mpifort
         $mpifort -show
       if: ${{ runner.os != 'Windows' }}
 
+    - name: Show MPI compiler wrappers
+      run: |
+        mpicc -show
+        mpicxx -show
+        mpifc -show
+      if: ${{ runner.os == 'Windows' && matrix.mpi == 'intelmpi' }}
+
     - name: Help MPI executor
       run: |
         command -v mpiexec
         mpiexec --help
       if: ${{ runner.os != 'Windows' }}
 
+    - name: Help MPI executor
+      run: |
+        mpiexec -help
+      if: ${{ runner.os == 'Windows' && matrix.mpi == 'intelmpi' }}
+
     - name: Help MPI executor
       run: |
         mpiexec /help2
         mpiexec /help3
-      if: ${{ runner.os == 'Windows' }}
+      if: ${{ runner.os == 'Windows' && matrix.mpi == 'msmpi' }}

README.md

@@ -49,4 +49,5 @@ jobs:
   [Open MPI](https://www.open-mpi.org/) (`brew` install).
 
 * Windows:
-  [Microsoft MPI](https://docs.microsoft.com/en-us/message-passing-interface/microsoft-mpi).
+  [Microsoft MPI](https://docs.microsoft.com/en-us/message-passing-interface/microsoft-mpi) and
+  [Intel MPI](https://software.intel.com/intel-mpi-library).

setup-mpi.sh

@@ -28,6 +28,35 @@ setup-env-intel-oneapi () {
     echo "PKG_CONFIG_PATH=${PKG_CONFIG_PATH}" >> $GITHUB_ENV
 }
 
+setup-win-intel-oneapi-mpi () {
+    baseurl=https://registrationcenter-download.intel.com
+    subpath=akdlm/irc_nas/18932
+    version=2021.7.0 build=9549
+    package=w_mpi_oneapi_p_${version}.${build}_offline.exe
+    set -x
+    curl -sO $baseurl/$subpath/$package
+    ./$package -s -a --silent --eula accept
+    set +x
+}
+
+setup-win-intel-oneapi-mpi-env () {
+    ONEAPI_ROOT="C:\Program Files (x86)\Intel\oneAPI"
+    I_MPI_ROOT="${ONEAPI_ROOT}\mpi\latest"
+    echo "ONEAPI_ROOT=${ONEAPI_ROOT}" >> $GITHUB_ENV
+    echo "I_MPI_ROOT=${I_MPI_ROOT}" >> $GITHUB_ENV
+    echo "${I_MPI_ROOT}\bin" >> $GITHUB_PATH
+    echo "${I_MPI_ROOT}\bin\release" >> $GITHUB_PATH
+    echo "${I_MPI_ROOT}\libfabric\bin" >> $GITHUB_PATH
+    echo "${I_MPI_ROOT}\libfabric\bin\utils" >> $GITHUB_PATH
+
+    ONEAPI_ROOT="/c/Program Files (x86)/Intel/oneAPI"
+    I_MPI_ROOT="${ONEAPI_ROOT}/mpi/latest"
+    export PATH="${I_MPI_ROOT}/bin:$PATH"
+    export PATH="${I_MPI_ROOT}/bin/release:$PATH"
+    export PATH="${I_MPI_ROOT}/bin/libfabric/bin:$PATH"
+    impi_info=impi_info.exe
+}
+
 case $(uname) in
 
     Linux)
@@ -80,6 +109,11 @@ case $(uname) in
                 sdir=$(dirname "${BASH_SOURCE[0]}")
                 pwsh "${sdir}\\setup-${MPI}.ps1"
                 ;;
+            intelmpi)
+                setup-win-intel-oneapi-mpi
+                setup-win-intel-oneapi-mpi-env
+                hydra_service.exe -install
+                ;;
             *)
                 echo "Unknown MPI implementation:" $MPI
                 exit 1
@@ -109,7 +143,7 @@ case $MPI in
         ;;
     intelmpi)
         echo "::group::Run impi_info -all"
-        impi_info -all
+        ${impi_info:-impi_info} -all
         echo "::endgroup::"
         ;;
 esac