Added matrix test timings

Timings get auto-comitted

Update matrix-timing-tests timings [skip ci]

Updated readme

Update matrix-timing-tests timings [skip ci]

Fixing auto-checkout issues

.gitea/workflows/Merge-Checker.yaml

@@ -3,6 +3,8 @@ name: Merge-Checker
 on:
   pull_request:
     branches: ["**"]
+    paths-ignore:
+        - 'unit-tests/timing-results/**'
 
 jobs:
   build_and_test:
@@ -11,11 +13,14 @@ jobs:
     steps:
       - name: Checkout source code
         uses: actions/checkout@v3
+        with:
+          persist-credentials: true
+          fetch-depth: 0
 
       - name: Install dependencies (CMake + Ninja + build tools)
         run: |
           sudo apt-get update
-          sudo apt-get install -y cmake ninja-build build-essential time
+          sudo apt-get install -y cmake ninja-build build-essential time git
 
       - name: Configure project with CMake
         run: cmake -G Ninja -S . -B build/
@@ -34,15 +39,45 @@ jobs:
             fi
           done
 
-      - name: Run matrix-timing-tests with per-test timing output
+      - name: Run matrix-timing-tests with per-test timing output and save results
         run: |
+          mkdir -p unit-tests/timing-results
           if [ -x build/unit-tests/matrix-timing-tests ]; then
             echo "Running matrix-timing-tests with timing"
-            # Run the test executable and capture timing info
+            /usr/bin/time -v build/unit-tests/matrix-timing-tests -d yes &> unit-tests/timing-results/matrix-timing-tests.txt
-            # Assuming the executable prints timings per test internally
-            # If not, you might want to wrap each subtest with 'time' or
-            # run the entire executable with time:
-            /usr/bin/time -v build/unit-tests/matrix-timing-tests
           else
             echo "matrix-timing-tests executable not found or not executable"
+            exit 1
+          fi
+      - name: Commit and push timing results
+        if: github.event.pull_request.head.repo.full_name == github.repository
+        run: |
+          git config --global user.name "ci-bot"
+          git config --global user.email "ci-bot@local"
+
+          BRANCH_NAME="${{ github.event.pull_request.head.ref }}"
+          git stash
+          echo "Checking out source branch $BRANCH_NAME"
+          git fetch origin "$BRANCH_NAME"
+          git checkout "$BRANCH_NAME"
+          git pull
+
+          echo "Checking if last commit was a timing update"
+          LAST_COMMIT_MSG=$(git log -1 --pretty=%B)
+
+          if echo "$LAST_COMMIT_MSG" | grep -q "Update matrix-timing-tests timings"; then
+            echo "Last commit was a timing update, skipping commit."
+            exit 0
+          else
+            echo "Last commit name was: $LAST_COMMIT_MSG"
+            git stash pop
+          fi
+
+          git add unit-tests/timing-results/matrix-timing-tests.txt
+
+          if git diff --quiet --cached; then
+            echo "No changes to commit"
+          else
+            git commit -m "Update matrix-timing-tests timings [skip ci]"
+            git push origin "$BRANCH_NAME"
           fi

README.md

@@ -1,2 +1,3 @@
 # Introduction
 This matrix math library is focused on embedded development and avoids any heap memory allocation unless you explicitly ask for it.
+It uses templates to pre-allocate matrices on the stack.

unit-tests/timing-results/matrix-timing-tests.txt

@@ -0,0 +1,56 @@
+Randomness seeded to: 942964370
+0.184 s: Addition
+0.185 s: Timing Tests
+0.189 s: Subtraction
+0.189 s: Timing Tests
+1.911 s: Multiplication
+1.911 s: Timing Tests
+0.127 s: Scalar Multiplication
+0.127 s: Timing Tests
+0.179 s: Element Multiply
+0.179 s: Timing Tests
+0.178 s: Element Divide
+0.178 s: Timing Tests
+0.156 s: Minor Matrix
+0.156 s: Timing Tests
+0.103 s: Determinant
+0.103 s: Timing Tests
+0.416 s: Matrix of Minors
+0.416 s: Timing Tests
+0.109 s: Invert
+0.109 s: Timing Tests
+0.127 s: Transpose
+0.127 s: Timing Tests
+0.207 s: Normalize
+0.207 s: Timing Tests
+0.006 s: GET ROW
+0.007 s: Timing Tests
+0.290 s: GET COLUMN
+0.290 s: Timing Tests
+===============================================================================
+test cases: 1 | 1 passed
+assertions: - none -
+
+	Command being timed: "build/unit-tests/matrix-timing-tests -d yes"
+	User time (seconds): 4.17
+	System time (seconds): 0.00
+	Percent of CPU this job got: 99%
+	Elapsed (wall clock) time (h:mm:ss or m:ss): 0:04.18
+	Average shared text size (kbytes): 0
+	Average unshared data size (kbytes): 0
+	Average stack size (kbytes): 0
+	Average total size (kbytes): 0
+	Maximum resident set size (kbytes): 3072
+	Average resident set size (kbytes): 0
+	Major (requiring I/O) page faults: 184
+	Minor (reclaiming a frame) page faults: 175
+	Voluntary context switches: 1
+	Involuntary context switches: 130
+	Swaps: 0
+	File system inputs: 12
+	File system outputs: 1
+	Socket messages sent: 0
+	Socket messages received: 0
+	Signals delivered: 0
+	Page size (bytes): 4096
+	Exit status: 0