Add llama-bench for android (#1)

Author: ykhrustalev

.github/workflows/extra-android-android-arm64-tools.yml

@@ -0,0 +1,66 @@
+name: Android ARM64 llama-bench Build
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - benchmarks
+
+  pull_request:
+    branches:
+      - benchmarks
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+env:
+  # https://developer.android.com/ndk/downloads
+  NDK_VERSION: "29.0.14206865"
+
+jobs:
+  android-arm64-llama-bench:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v5
+
+      - uses: ggml-org/ccache-action@v1.2.16
+        with:
+          key: android-arm64-llama-bench
+
+      - uses: actions/setup-java@v3
+        with:
+          java-version: "17"
+          distribution: "temurin"
+
+      - uses: android-actions/setup-android@v3
+        with:
+          log-accepted-android-sdk-licenses: false
+
+      - run: |
+          sdkmanager "ndk;${{ env.NDK_VERSION }}"
+          echo "ANDROID_NDK=${ANDROID_SDK_ROOT}/ndk/${{ env.NDK_VERSION }}" >> $GITHUB_ENV
+
+      - run: |
+          cmake -B build -G Ninja \
+            -DCMAKE_TOOLCHAIN_FILE=${ANDROID_NDK}/build/cmake/android.toolchain.cmake \
+            -DANDROID_ABI=arm64-v8a \
+            -DANDROID_PLATFORM=android-28 \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DGGML_NATIVE=OFF \
+            -DGGML_BACKEND_DL=ON \
+            -DGGML_CPU_ALL_VARIANTS=ON \
+            -DLLAMA_CURL=OFF \
+            -DGGML_OPENMP=OFF \
+            -DLLAMA_BUILD_TOOLS=ON \
+            -DLLAMA_BUILD_EXAMPLES=OFF \
+            -DLLAMA_BUILD_TESTS=OFF \
+            -DLLAMA_BUILD_SERVER=OFF
+          cmake --build build --config Release --target llama-bench
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: llama-bench-android-arm64-v8a
+          path: build/bin/*
+          if-no-files-found: error