[Disk CI benchmarks] Use 1ES.Pool=diskann-github

.github/actions/setup-disk-benchmark/action.yml

@@ -23,8 +23,16 @@ runs:
   steps:
     - name: Install Rust
       shell: bash
-      run: rustup show
+      run: |
+        if ! command -v rustup &>/dev/null; then
+          curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
+          echo "$HOME/.cargo/bin" >> "$GITHUB_PATH"
+        fi
 
+    - name: Show Rust toolchain
+      shell: bash
+      run: rustup show
+
     - name: Install system dependencies
       shell: bash
       run: |

.github/workflows/disk-benchmarks-aa.yml

@@ -37,7 +37,7 @@ jobs:
   # A/A benchmark: run main vs main to detect environment noise.
   aa-benchmark:
     name: A/A - ${{ matrix.dataset }}
-    runs-on: ubuntu-latest
+    runs-on: [ self-hosted, 1ES.Pool=diskann-github, ubuntu-latest ]
     timeout-minutes: 120
     strategy:
       fail-fast: false
@@ -51,6 +51,20 @@ jobs:
             archive: openai-100K.tar.gz
 
     steps:
+      # Kept inline because this must run before checkout, but local action.yml
+      # files are only available after checkout.
+      - name: Mount high-speed NVMe SSD
+        shell: bash
+        run: |
+          sudo mkdir -p /mnt/nvme
+          sudo lsblk
+          sudo mkfs.ext4 /dev/nvme0n1
+          sudo mount /dev/nvme0n1 /mnt/nvme
+          sudo chmod 777 /mnt/nvme
+          mkdir -p /mnt/nvme/diskann_rust /mnt/nvme/baseline
+          ln -s /mnt/nvme/diskann_rust diskann_rust
+          ln -s /mnt/nvme/baseline baseline
+
       - name: Checkout main
         uses: actions/checkout@v4
         with:

.github/workflows/disk-benchmarks.yml

@@ -54,7 +54,7 @@ jobs:
   # Macro benchmark: compare current branch against baseline
   macro-benchmark:
     name: Macro Benchmark - ${{ matrix.dataset }}
-    runs-on: ubuntu-latest
+    runs-on: [ self-hosted, 1ES.Pool=diskann-github, ubuntu-latest ]
     # TODO: For production benchmarks, consider using a self-hosted runner with:
     # - NVMe storage for consistent I/O performance
     # - CPU pinning (taskset) for reduced variance
@@ -74,6 +74,20 @@ jobs:
             data_dir: OpenAIArXiv
 
     steps:
+      # Kept inline because this must run before checkout, but local action.yml
+      # files are only available after checkout.
+      - name: Mount high-speed NVMe SSD
+        shell: bash
+        run: |
+          sudo mkdir -p /mnt/nvme
+          sudo lsblk
+          sudo mkfs.ext4 /dev/nvme0n1
+          sudo mount /dev/nvme0n1 /mnt/nvme
+          sudo chmod 777 /mnt/nvme
+          mkdir -p /mnt/nvme/diskann_rust /mnt/nvme/baseline
+          ln -s /mnt/nvme/diskann_rust diskann_rust
+          ln -s /mnt/nvme/baseline baseline
+
       - name: Checkout current branch
         uses: actions/checkout@v4
         with: