Added Luau Benchmark Workflows (#530)
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Allan N Jeremy
GitHub
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name: Luau Benchmarks
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on:
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push:
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branches:
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- master
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paths-ignore:
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- "docs/**"
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- "papers/**"
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- "rfcs/**"
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- "*.md"
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- "prototyping/**"
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jobs:
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benchmarks-run:
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name: Run ${{ matrix.bench.title }}
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strategy:
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fail-fast: false
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matrix:
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os: [ubuntu-latest]
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bench:
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- {
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script: "run-benchmarks",
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timeout: 12,
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title: "Luau Benchmarks",
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cachegrindTitle: "Performance",
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cachegrindIterCount: 20,
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}
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benchResultsRepo:
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- { name: "luau-lang/benchmark-data", branch: "main" }
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runs-on: ${{ matrix.os }}
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steps:
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- name: Checkout Luau
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uses: actions/checkout@v3
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- name: Build Luau
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run: make config=release luau luau-analyze
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- uses: actions/setup-python@v3
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with:
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python-version: "3.9"
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architecture: "x64"
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- name: Install python dependencies
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run: |
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python -m pip install requests
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python -m pip install --user numpy scipy matplotlib ipython jupyter pandas sympy nose
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- name: Install valgrind
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run: |
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sudo apt-get install valgrind
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- name: Run benchmark
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run: |
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python bench/bench.py | tee ${{ matrix.bench.script }}-output.txt
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- name: Run ${{ matrix.bench.title }} (Cold Cachegrind)
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run: sudo bash ./scripts/run-with-cachegrind.sh python ./bench/bench.py "${{ matrix.bench.cachegrindTitle}}Cold" 1 | tee -a ${{ matrix.bench.script }}-output.txt
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- name: Run ${{ matrix.bench.title }} (Warm Cachegrind)
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run: sudo bash ./scripts/run-with-cachegrind.sh python ./bench/bench.py "${{ matrix.bench.cachegrindTitle }}" ${{ matrix.bench.cachegrindIterCount }} | tee -a ${{ matrix.bench.script }}-output.txt
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- name: Checkout Benchmark Results repository
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uses: actions/checkout@v3
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with:
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repository: ${{ matrix.benchResultsRepo.name }}
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ref: ${{ matrix.benchResultsRepo.branch }}
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token: ${{ secrets.BENCH_GITHUB_TOKEN }}
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path: "./gh-pages"
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- name: Store ${{ matrix.bench.title }} result
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uses: Roblox/rhysd-github-action-benchmark@v-luau
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with:
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name: ${{ matrix.bench.title }}
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tool: "benchmarkluau"
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output-file-path: ./${{ matrix.bench.script }}-output.txt
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external-data-json-path: ./gh-pages/dev/bench/data.json
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alert-threshold: 150%
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fail-threshold: 1000%
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fail-on-alert: false
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comment-on-alert: true
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github-token: ${{ secrets.GITHUB_TOKEN }}
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- name: Store ${{ matrix.bench.title }} result
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uses: Roblox/rhysd-github-action-benchmark@v-luau
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with:
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name: ${{ matrix.bench.title }} (CacheGrind)
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tool: "roblox"
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output-file-path: ./${{ matrix.bench.script }}-output.txt
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external-data-json-path: ./gh-pages/dev/bench/data.json
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alert-threshold: 150%
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fail-threshold: 1000%
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fail-on-alert: false
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comment-on-alert: true
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github-token: ${{ secrets.GITHUB_TOKEN }}
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- name: Push benchmark results
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run: |
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echo "Pushing benchmark results..."
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cd gh-pages
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git config user.name github-actions
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git config user.email github@users.noreply.github.com
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git add ./dev/bench/data.json
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git commit -m "Add benchmarks results for ${{ github.sha }}"
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git push
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cd ..
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@ -0,0 +1,102 @@
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#!/bin/bash
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set -euo pipefail
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IFS=$'\n\t'
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declare -A event_map
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event_map[Ir]="TotalInstructionsExecuted,executions\n"
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event_map[I1mr]="L1_InstrReadCacheMisses,misses/op\n"
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event_map[ILmr]="LL_InstrReadCacheMisses,misses/op\n"
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event_map[Dr]="TotalMemoryReads,reads\n"
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event_map[D1mr]="L1_DataReadCacheMisses,misses/op\n"
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event_map[DLmr]="LL_DataReadCacheMisses,misses/op\n"
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event_map[Dw]="TotalMemoryWrites,writes\n"
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event_map[D1mw]="L1_DataWriteCacheMisses,misses/op\n"
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event_map[DLmw]="LL_DataWriteCacheMisses,misses/op\n"
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event_map[Bc]="ConditionalBranchesExecuted,executions\n"
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event_map[Bcm]="ConditionalBranchMispredictions,mispredictions/op\n"
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event_map[Bi]="IndirectBranchesExecuted,executions\n"
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event_map[Bim]="IndirectBranchMispredictions,mispredictions/op\n"
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now_ms() {
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echo -n $(date +%s%N | cut -b1-13)
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}
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# Run cachegrind on a given benchmark and echo the results.
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ITERATION_COUNT=$4
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START_TIME=$(now_ms)
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valgrind \
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--quiet \
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--tool=cachegrind \
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"$1" "$2" >/dev/null
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TIME_ELAPSED=$(bc <<< "$(now_ms) - ${START_TIME}")
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# Generate report using cg_annotate and extract the header and totals of the
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# recorded events valgrind was configured to record.
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CG_RESULTS=$(cg_annotate $(ls -t cachegrind.out.* | head -1))
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CG_HEADERS=$(grep -B2 'PROGRAM TOTALS$' <<< "$CG_RESULTS" | head -1 | sed -E 's/\s+/\n/g' | sed '/^$/d')
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CG_TOTALS=$(grep 'PROGRAM TOTALS$' <<< "$CG_RESULTS" | head -1 | grep -Po '[0-9,]+\s' | tr -d ', ')
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TOTALS_ARRAY=($CG_TOTALS)
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HEADERS_ARRAY=($CG_HEADERS)
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declare -A header_map
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for i in "${!TOTALS_ARRAY[@]}"; do
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header_map[${HEADERS_ARRAY[$i]}]=$i
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done
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# Map the results to the format that the benchmark script expects.
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for i in "${!TOTALS_ARRAY[@]}"; do
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TOTAL=${TOTALS_ARRAY[$i]}
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# Labels and unit descriptions are packed together in the map.
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EVENT_TUPLE=${event_map[${HEADERS_ARRAY[$i]}]}
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IFS=$',' read -d '\n' -ra EVENT_VALUES < <(printf "%s" "$EVENT_TUPLE")
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EVENT_NAME="${EVENT_VALUES[0]}"
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UNIT="${EVENT_VALUES[1]}"
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case ${HEADERS_ARRAY[$i]} in
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I1mr | ILmr)
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REF=${TOTALS_ARRAY[header_map["Ir"]]}
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OPS_PER_SEC=$(bc -l <<< "$TOTAL / $REF")
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;;
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D1mr | DLmr)
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REF=${TOTALS_ARRAY[header_map["Dr"]]}
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OPS_PER_SEC=$(bc -l <<< "$TOTAL / $REF")
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;;
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D1mw | DLmw)
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REF=${TOTALS_ARRAY[header_map["Dw"]]}
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OPS_PER_SEC=$(bc -l <<< "$TOTAL / $REF")
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;;
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Bcm)
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REF=${TOTALS_ARRAY[header_map["Bc"]]}
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OPS_PER_SEC=$(bc -l <<< "$TOTAL / $REF")
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;;
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Bim)
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REF=${TOTALS_ARRAY[header_map["Bi"]]}
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OPS_PER_SEC=$(bc -l <<< "$TOTAL / $REF")
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;;
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*)
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OPS_PER_SEC=$(bc -l <<< "$TOTAL")
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;;
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esac
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STD_DEV="0%"
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RUNS="1"
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if [[ $OPS_PER_SEC =~ ^[+-]?[0-9]*$ ]]
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then # $OPS_PER_SEC is integer
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printf "%s#%s x %.0f %s ±%s (%d runs sampled)\n" \
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"$3" "$EVENT_NAME" "$OPS_PER_SEC" "$UNIT" "$STD_DEV" "$RUNS"
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else # $OPS_PER_SEC is float
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printf "%s#%s x %.10f %s ±%s (%d runs sampled)\n" \
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"$3" "$EVENT_NAME" "$OPS_PER_SEC" "$UNIT" "$STD_DEV" "$RUNS"
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fi
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done
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