Merge pull request InsightSoftwareConsortium#5954 from hjmjohnson/improve-ccache-for-with-larger-quota

ENH: Optimize GitHub Actions ccache strategy for faster C++ builds

Author: hjmjohnson

.github/workflows/arm.yml

@@ -94,9 +94,9 @@ jobs:
           echo "CCACHE_BASEDIR=${GITHUB_WORKSPACE}" >> "$GITHUB_ENV"
           echo "CCACHE_COMPILERCHECK=content" >> "$GITHUB_ENV"
           echo "CCACHE_NOHASHDIR=true" >> "$GITHUB_ENV"
-          echo "CCACHE_NODIRECT=1" >> "$GITHUB_ENV"
+          echo "CCACHE_SLOPPINESS=pch_defines,time_macros" >> "$GITHUB_ENV"
           echo "CCACHE_DIR=${{ runner.temp }}/ccache" >> "$GITHUB_ENV"
-          echo "CCACHE_MAXSIZE=2.4G" >> "$GITHUB_ENV"
+          echo "CCACHE_MAXSIZE=5G" >> "$GITHUB_ENV"
           if [ "$RUNNER_OS" == "Linux" ]; then
             sudo apt-get update -qq && sudo apt-get install -y ccache locales
             sudo locale-gen de_DE.UTF-8
@@ -109,7 +109,9 @@ jobs:
         uses: actions/cache/restore@v5
         with:
           path: ${{ runner.temp }}/ccache
-          key: ccache-v1-${{ matrix.os }}-${{ matrix.name }}
+          key: ccache-v4-${{ runner.os }}-${{ matrix.name }}-${{ github.sha }}
+          restore-keys: |
+            ccache-v4-${{ runner.os }}-${{ matrix.name }}-
 
       - name: Show ccache configuration, stats and maintenance
         shell: bash
@@ -170,11 +172,11 @@ jobs:
         env:
           CTEST_OUTPUT_ON_FAILURE: 1
       - name: Save compiler cache
-        if: github.ref == 'refs/heads/main'
+        if: ${{ !cancelled() }}
         uses: actions/cache/save@v5
         with:
           path: ${{ runner.temp }}/ccache
-          key: ccache-v1-${{ matrix.os }}-${{ matrix.name }}
+          key: ccache-v4-${{ runner.os }}-${{ matrix.name }}-${{ github.sha }}
 
       - name: ccache stats
         if: always()

.github/workflows/pixi.yml

@@ -53,9 +53,9 @@ jobs:
             echo "CCACHE_BASEDIR=${GITHUB_WORKSPACE}" >> "$GITHUB_ENV"
             echo "CCACHE_COMPILERCHECK=content" >> "$GITHUB_ENV"
             echo "CCACHE_NOHASHDIR=true" >> "$GITHUB_ENV"
-            echo "CCACHE_NODIRECT=1" >> "$GITHUB_ENV"
+            echo "CCACHE_SLOPPINESS=pch_defines,time_macros" >> "$GITHUB_ENV"
             echo "CCACHE_DIR=${{ runner.temp }}/ccache" >> "$GITHUB_ENV"
-            echo "CCACHE_MAXSIZE=2.4G" >> "$GITHUB_ENV"
+            echo "CCACHE_MAXSIZE=5G" >> "$GITHUB_ENV"
             if [ "$RUNNER_OS" == "Linux" ]; then
               sudo apt-get update -qq && sudo apt-get install -y ccache locales
               sudo locale-gen de_DE.UTF-8
@@ -70,7 +70,9 @@ jobs:
           uses: actions/cache/restore@v5
           with:
             path: ${{ runner.temp }}/ccache
-            key: ccache-v1-${{ matrix.os }}-pixi-cxx
+            key: ccache-v4-${{ runner.os }}-pixi-cxx-${{ github.sha }}
+            restore-keys: |
+              ccache-v4-${{ runner.os }}-pixi-cxx-
 
         - name: Show ccache configuration, stats and maintenance
           shell: bash
@@ -150,11 +152,11 @@ jobs:
             echo "****** df -h /"
             df -h /
         - name: Save compiler cache
-          if: github.ref == 'refs/heads/main'
+          if: ${{ !cancelled() }}
           uses: actions/cache/save@v5
           with:
             path: ${{ runner.temp }}/ccache
-            key: ccache-v1-${{ matrix.os }}-pixi-cxx
+            key: ccache-v4-${{ runner.os }}-pixi-cxx-${{ github.sha }}
 
         - name: ccache stats
           if: always()