Add multi device perf monitoring and commenting PR report

.github/workflows/performance-check.yaml

@@ -0,0 +1,53 @@
+name: Performance Check
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+  workflow_dispatch:
+
+jobs:
+  benchmark-android:
+    uses: Frozen-Bytes/actions/.github/workflows/android-macrobenchmark-gradle.yml@v3
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - name: "Pixel"
+            profile: "pixel"
+          - name: "Nexus_6"
+            profile: "Nexus 6"
+    name: ${{ matrix.name }}
+    with:
+      api-level: 34
+      target: google_apis
+      arch: x86_64
+      profile: "${{ matrix.profile }}"
+      gradle-cache-readonly: false
+      baseline-branch: "main"
+      candidate-branch: "${{ github.head_ref }}"
+      instrument-args: "-e package com.google.samples.apps.nowinandroid.Generator"
+      artifact-name: "benchcomp-${{ matrix.name }}.json"
+      artifact-macrobenchmark-name: "${{ matrix.name }}-raw-macrobenchmark"
+      device-alias: "${{ matrix.name }}"
+
+  publish-report:
+    runs-on: ubuntu-latest
+    needs: benchmark-android
+    permissions:
+      pull-requests: write
+      contents: read
+
+    steps:
+      - name: Create Bot Token
+        id: app-token
+        uses: actions/create-github-app-token@v3
+        with:
+          client-id: ${{ vars.GH_APP_CLIENT_ID }}
+          private-key: ${{ secrets.GH_APP_PRIVATE_KEY }}
+
+      - name: Publish Report
+        uses: Frozen-Bytes/actions/publish-report@v3
+        with:
+          github-token: ${{ steps.app-token.outputs.token  }}
+          artifact-prefix: "benchcomp-"
+          comment-on-pr: ${{ github.event_name == 'pull_request' && 'true' || 'false' }}

benchmarks/src/main/kotlin/com/google/samples/apps/nowinandroid/foryou/ScrollForYouFeedBenchmark.kt

@@ -47,7 +47,7 @@ class ScrollForYouFeedBenchmark {
         packageName = PACKAGE_NAME,
         metrics = listOf(FrameTimingMetric()),
         compilationMode = compilationMode,
-        iterations = 5,
+        iterations = 2,
         startupMode = StartupMode.WARM,
         setupBlock = {
             // Start the app
@@ -68,7 +68,7 @@ class ScrollForYouFeedBenchmark {
         packageName = PACKAGE_NAME,
         metrics = listOf(MemoryUsageMetric(MemoryUsageMetric.Mode.Max)),
         compilationMode = compilationMode,
-        iterations = 5,
+        iterations = 2,
         startupMode = StartupMode.WARM,
         setupBlock = {
             // Start the app

benchmarks/src/main/kotlin/com/google/samples/apps/nowinandroid/interests/ScrollTopicListBenchmark.kt

@@ -42,7 +42,7 @@ class ScrollTopicListBenchmark {
             packageName = PACKAGE_NAME,
             metrics = listOf(FrameTimingMetric()),
             compilationMode = compilationMode,
-            iterations = 5,
+            iterations = 2,
             startupMode = StartupMode.WARM,
             setupBlock = {
                 // Start the app

benchmarks/src/main/kotlin/com/google/samples/apps/nowinandroid/interests/TopicsScreenRecompositionBenchmark.kt

@@ -42,7 +42,7 @@ class TopicsScreenRecompositionBenchmark {
             packageName = PACKAGE_NAME,
             metrics = listOf(FrameTimingMetric()),
             compilationMode = compilationMode,
-            iterations = 5,
+            iterations = 2,
             startupMode = StartupMode.WARM,
             setupBlock = {
                 // Start the app

benchmarks/src/main/kotlin/com/google/samples/apps/nowinandroid/startup/StartupBenchmark.kt

@@ -61,7 +61,7 @@ class StartupBenchmark {
         metrics = BaselineProfileMetrics.allMetrics,
         compilationMode = compilationMode,
         // More iterations result in higher statistical significance.
-        iterations = 5,
+        iterations = 2,
         startupMode = COLD,
         setupBlock = {
             pressHome()