Now! Switch the runs-on back

Author: scottgerring

.github/workflows/benchmark.yml

@@ -26,9 +26,7 @@ jobs:
     # If we're running on main, use our oracle bare-metal runner for accuracy. 
     # If we're running on a PR, use github's shared workers to save resources.
     #
-    # TODO - temporarily use self-hosted to get shared-worker environment going
-    runs-on: 'oracle-bare-metal-64cpu-512gb-x86-64'
-    # runs-on: ${{ github.event_name == 'pull_request' && 'ubuntu-latest' || 'self-hosted' }}
+    runs-on: ${{ github.event_name == 'pull_request' && 'ubuntu-latest' || 'oracle-bare-metal-64cpu-512gb-x86-64' }}
     if: ${{ (github.event_name == 'pull_request' && contains(github.event.pull_request.labels.*.name, 'performance')) || github.event_name == 'push' }}
     container:
       image: rust:slim-bullseye
@@ -53,7 +51,7 @@ jobs:
 
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
-          fetch-depth: 0  # Fetch full history for git-based tools
+          fetch-depth: 10 # Fetch a bit of history so we can do perf diffs
 
       - uses: arduino/setup-protoc@c65c819552d16ad3c9b72d9dfd5ba5237b9c906b # v3.0.0
         with: