diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7871a1d..7ac9050 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -26,6 +26,7 @@ jobs:
           - simulation
           - instrumentation
           - walltime
+          - simulation,memory
 
     runs-on: ${{ matrix.os }}
     env:
diff --git a/README.md b/README.md
index 263069b..c3cb3da 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,8 @@ GitHub Actions for running [CodSpeed](https://codspeed.io) in your CI.
     run: "<YOUR_COMMAND>"
 
     # [REQUIRED]
-    # The measurement mode to use: "simulation" (recommended), or "walltime".
+    # The measurement mode(s) to use. Possible values: "simulation" (recommended), "walltime".
+    # Accepts a single value or a comma-separated list (e.g., "simulation,walltime").
     # More details on the instruments at https://docs.codspeed.io/instruments/
     mode: "simulation"
 
diff --git a/action.yml b/action.yml
index 9445084..edcdbce 100644
--- a/action.yml
+++ b/action.yml
@@ -12,7 +12,8 @@ inputs:
 
   mode:
     description: |
-      The mode to run the benchmarks in. The following modes are available:
+      The mode(s) to run the benchmarks in. Accepts a single value or a comma-separated list (e.g., "simulation,walltime").
+      The following modes are available:
       - `simulation`: Run the benchmarks with CPU simulation measurements.
       - `walltime`: Run the benchmarks with walltime measurement.
       - `memory`: Run the benchmarks with allocation measurements.
@@ -123,14 +124,18 @@ runs:
         KERNEL_VERSION=$(uname -r)
         echo "kernel-version=$KERNEL_VERSION" >> $GITHUB_OUTPUT
 
+        # Normalize mode for cache key (commas are not allowed in cache keys)
+        MODE_CACHE_KEY=$(echo "${{ inputs.mode }}" | tr ',' '-')
+        echo "mode-cache-key=$MODE_CACHE_KEY" >> $GITHUB_OUTPUT
+
     - name: Cache CodSpeed instruments
       if: inputs.cache-instruments == 'true'
       uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
       with:
         path: ${{ inputs.instruments-cache-dir }}
-        key: codspeed-instruments-${{ inputs.mode }}-${{ runner.os }}-${{ runner.arch }}-${{steps.versions.outputs.kernel-version }}-${{ steps.versions.outputs.runner-version }}
+        key: codspeed-instruments-${{ steps.versions.outputs.mode-cache-key }}-${{ runner.os }}-${{ runner.arch }}-${{ steps.versions.outputs.kernel-version }}-${{ steps.versions.outputs.runner-version }}
         restore-keys: |
-          codspeed-instruments-${{ inputs.mode }}-${{ runner.os }}-${{ runner.arch }}-${{steps.versions.outputs.kernel-version }}-
+          codspeed-instruments-${{ steps.versions.outputs.mode-cache-key }}-${{ runner.os }}-${{ runner.arch }}-${{ steps.versions.outputs.kernel-version }}-
 
     - name: Lookup installer hash
       id: installer-hash