[CICD] Add CI workflow for symmetric memory tests (#472)

Author: MC952-arch

.github/workflows/unittest-symmem.yml

@@ -0,0 +1,57 @@
+name: "Unit Tests: symmem"
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  unittest-symmem:
+    runs-on: [self-hosted, cx-build]
+    container:
+      image: localhost:5000/flagscale:cuda12.8.1-cudnn9.7.1-python3.12-torch2.7.0-time2507111538
+      options: --gpus all --privileged --ipc=host --ulimit memlock=-1 --ulimit stack=67108864
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v6
+        with:
+          repository: ${{ github.event.pull_request.head.repo.full_name }}
+          ref: ${{ github.event.pull_request.head.ref }}
+          ssh-strict: true
+          ssh-user: git
+          persist-credentials: true
+          clean: true
+          sparse-checkout-cone-mode: true
+          fetch-tags: false
+          show-progress: true
+          lfs: false
+          submodules: true
+          set-safe-directory: true
+
+      - name: Build Google Test
+        run: |
+          cd /__w/FlagCX/FlagCX/third-party/googletest
+          mkdir -p build
+          cd build
+          cmake ..
+          make -j$(nproc)
+
+      - name: Build FlagCX
+        run: |
+          cd /__w/FlagCX/FlagCX
+          export MPI_HOME=/usr/local/mpi
+          make -j$(nproc) USE_NVIDIA=1
+
+      - name: Build symmem tests
+        run: |
+          cd /__w/FlagCX/FlagCX/test/unittest/symmem
+          export MPI_HOME=/usr/local/mpi
+          make -j$(nproc)
+
+      - name: Run symmem tests
+        run: |
+          cd /__w/FlagCX/FlagCX
+          bash test/script/symmem_test.sh

test/script/symmem_test.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+PROJECT_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"
+SYMMEM_DIR="$PROJECT_ROOT/test/unittest/symmem"
+BUILD_BIN="$SYMMEM_DIR/build/bin"
+
+export MPI_HOME="${MPI_HOME:-/usr/local/mpi}"
+export PATH="$MPI_HOME/bin:$PATH"
+export LD_LIBRARY_PATH="$PROJECT_ROOT/build/lib:${LD_LIBRARY_PATH:-}"
+
+NP="${NP:-8}"
+
+echo "=== Running symmem unit tests (no MPI/GPU) ==="
+"$BUILD_BIN/symmem_unit_tests"
+
+echo ""
+echo "=== Running symmem MPI tests (np=$NP) ==="
+mpirun -np "$NP" --allow-run-as-root \
+    -x FLAGCX_USE_HETERO_COMM=1 \
+    -x FLAGCX_CLUSTER_SPLIT_LIST=2 \
+    -x FLAGCX_MEM_ENABLE=1 \
+    "$BUILD_BIN/symmem_mpi_tests"
+
+echo ""
+echo "All symmem tests passed."