name: memperf

# Local-inference memory benchmark + regression gate (issue #8809).
#
# Runs the memperf harness (`run-all.mjs`) and the real-arbiter unit tests on a
# GitHub-hosted runner whenever the harness or the MemoryArbiter changes. The
# harness is CI-safe without model bundles: it exits
#   0  measured rows present, all budgets pass
#   1  a real budget / eviction-telemetry floor REGRESSED  → fails CI (the gate)
#   2  nothing measurable on this host (no model bundle); self-check passed → skip
# so a model-absent runner still exercises the real arbiter fit/pressure path via
# the co-residency self-check, and a genuine regression turns CI red.

on:
  pull_request:
    branches: [main]
    paths:
      - "packages/benchmarks/memperf/**"
      - "plugins/plugin-local-inference/src/services/memory-arbiter.ts"
      - "plugins/plugin-local-inference/src/services/active-model.ts"
      - ".github/workflows/memperf.yml"
  schedule:
    # 05:40 UTC — alongside the other nightly benchmark lanes.
    - cron: "40 5 * * *"
  workflow_dispatch: {}

concurrency:
  group: memperf-${{ github.ref }}
  cancel-in-progress: true

jobs:
  harness-gate:
    name: harness + budget regression gate (no models)
    runs-on: ${{ fromJSON(vars.HETZNER_FLEET_ONLINE == 'false' && '["ubuntu-24.04"]' || '["self-hosted","hetzner-robot"]') }}
    timeout-minutes: 20
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: recursive
      - uses: oven-sh/setup-bun@v2
        with:
          # The repo packageManager pins the exact canary used by local dev,
          # but historical canary tags can disappear from GitHub releases.
          # Ask setup-bun for the moving canary channel so scheduled runs do
          # not fail before the memperf gate gets to execute.
          bun-version: canary
      - uses: actions/setup-node@v4
        with:
          node-version: "24"
      - name: Install workspace
        run: bun install
      - name: Generate shared i18n assets
        # The real-arbiter self-check imports @elizaos/core source, which
        # expects generated keyword data to exist in a fresh checkout.
        run: bun run --cwd packages/shared build:i18n
      - name: Metric-schema contract (shared with #8800)
        run: bun test --conditions=eliza-source packages/benchmarks/memperf/metric-schema.test.ts
      - name: Real-arbiter co-residency eviction self-check
        run: bun test --conditions=eliza-source packages/benchmarks/memperf/co-residency.test.ts
      - name: memperf harness + budget regression gate
        run: |
          set +e
          node packages/benchmarks/memperf/run-all.mjs
          code=$?
          set -e
          case "$code" in
            0) echo "memperf: all budgets pass" ;;
            2) echo "memperf: skipped (no model bundle on this runner); arbiter telemetry self-check passed" ;;
            1) echo "::error::memperf budget / eviction-telemetry regression (exit 1)"; exit 1 ;;
            *) echo "::error::memperf harness errored (exit $code)"; exit "$code" ;;
          esac
      - name: Upload memperf summary
        if: always()
        uses: actions/upload-artifact@v7
        with:
          name: memperf-summary
          path: packages/benchmarks/memperf/results/summary/
          if-no-files-found: ignore