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iluuu1994iluuu1994
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Add benchmarking to CI
Closes GH-11068
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‎.github/workflows/push.yml

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@@ -215,3 +215,95 @@ jobs:
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run: .github/scripts/windows/build.bat
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- name: Test
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run: .github/scripts/windows/test.bat
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BENCHMARKING:
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name: BENCHMARKING
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runs-on: ubuntu-22.04
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steps:
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- name: git checkout
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uses: actions/checkout@v3
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with:
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fetch-depth: 0
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- name: apt
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run: |
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set -x
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sudo apt-get update
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sudo apt-get install \
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bison \
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libonig-dev \
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libsqlite3-dev \
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openssl \
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re2c \
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valgrind
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- name: ccache
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uses: hendrikmuhs/ccache-action@v1.2
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with:
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key: "${{github.job}}-${{hashFiles('main/php_version.h')}}"
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append-timestamp: false
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- name: ./configure
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run: |
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set -x
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./buildconf --force
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./configure \
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--disable-debug \
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--enable-mbstring \
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--enable-opcache \
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--enable-option-checking=fatal \
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--enable-sockets \
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--enable-werror \
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--prefix=/usr \
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--with-config-file-scan-dir=/etc/php.d \
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--with-mysqli=mysqlnd \
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--with-openssl \
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--with-pdo-sqlite \
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--with-valgrind
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- name: make
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run: make -j$(/usr/bin/nproc) >/dev/null
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- name: make install
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run: |
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set -x
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sudo make install
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sudo mkdir -p /etc/php.d
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sudo chmod 777 /etc/php.d
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echo mysqli.default_socket=/var/run/mysqld/mysqld.sock > /etc/php.d/mysqli.ini
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echo zend_extension=opcache.so >> /etc/php.d/opcache.ini
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echo opcache.enable=1 >> /etc/php.d/opcache.ini
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echo opcache.enable_cli=1 >> /etc/php.d/opcache.ini
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- name: Setup
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run: |
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git config --global user.name "Benchmark"
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git config --global user.email "benchmark@php.net"
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sudo service mysql start
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mysql -uroot -proot -e "CREATE DATABASE IF NOT EXISTS wordpress"
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mysql -uroot -proot -e "CREATE USER 'wordpress'@'localhost' IDENTIFIED BY 'wordpress'; FLUSH PRIVILEGES;"
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mysql -uroot -proot -e "GRANT ALL PRIVILEGES ON *.* TO 'wordpress'@'localhost' WITH GRANT OPTION;"
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- name: git checkout benchmarking-data
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uses: actions/checkout@v3
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with:
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repository: php/benchmarking-data
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ssh-key: ${{ secrets.BENCHMARKING_DATA_DEPLOY_KEY }}
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path: benchmark/repos/data
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- name: Benchmark
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run: php benchmark/benchmark.php true
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- name: Store result
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if: github.event_name == 'push'
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run: |
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set -x
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cd benchmark/repos/data
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git pull --autostash
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if [ -e ".git/MERGE_HEAD" ]; then
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echo "Merging, can't proceed"
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exit 1
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fi
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git add .
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if git diff --cached --quiet; then
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exit 0
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fi
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git commit -m "Add result for ${{ github.repository }}@${{ steps.determine-commit.outputs.sha }}"
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git push
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- name: Show diff
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if: github.event_name == 'pull_request'
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run: >-
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php benchmark/generate_diff.php
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${{ github.event.pull_request.head.sha }}
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$(git merge-base ${{ github.event.pull_request.base.sha }} ${{ github.event.pull_request.head.sha }})
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> $GITHUB_STEP_SUMMARY

‎benchmark/.gitignore

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/repos

‎benchmark/benchmark.php

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<?php
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require_once __DIR__ . '/shared.php';
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$storeResult = ($argv[1] ?? 'false') === 'true';
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$phpCgi = $argv[2] ?? dirname(PHP_BINARY) . '/php-cgi';
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if (!file_exists($phpCgi)) {
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fwrite(STDERR, "php-cgi not found\n");
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exit(1);
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}
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function main() {
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global $storeResult;
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$data = [];
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$data['Zend/bench.php'] = runBench(false);
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$data['Zend/bench.php JIT'] = runBench(true);
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$data['Symfony Demo 2.2.3'] = runSymfonyDemo(false);
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$data['Symfony Demo 2.2.3 JIT'] = runSymfonyDemo(true);
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$data['Wordpress 6.2'] = runWordpress(false);
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$data['Wordpress 6.2 JIT'] = runWordpress(true);
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$result = json_encode($data, JSON_PRETTY_PRINT) . "\n";
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fwrite(STDOUT, $result);
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if ($storeResult) {
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storeResult($result);
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}
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}
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function storeResult(string $result) {
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$repo = __DIR__ . '/repos/data';
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cloneRepo($repo, 'git@github.com:php/benchmarking-data.git');
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$commitHash = getPhpSrcCommitHash();
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$dir = $repo . '/' . substr($commitHash, 0, 2) . '/' . $commitHash;
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$summaryFile = $dir . '/summary.json';
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if (!is_dir($dir)) {
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mkdir($dir, 0755, true);
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}
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file_put_contents($summaryFile, $result);
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}
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function getPhpSrcCommitHash(): string {
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$result = runCommand(['git', 'log', '--pretty=format:%H', '-n', '1'], dirname(__DIR__));
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return $result->stdout;
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}
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function runBench(bool $jit): array {
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return runValgrindPhpCgiCommand([dirname(__DIR__) . '/Zend/bench.php'], jit: $jit);
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}
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function runSymfonyDemo(bool $jit): array {
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$dir = __DIR__ . '/repos/symfony-demo-2.2.3';
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cloneRepo($dir, 'https://github.com/php/benchmarking-symfony-demo-2.2.3.git');
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runPhpCommand([$dir . '/bin/console', 'cache:clear']);
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runPhpCommand([$dir . '/bin/console', 'cache:warmup']);
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return runValgrindPhpCgiCommand([$dir . '/public/index.php'], cwd: $dir, jit: $jit, warmup: 50);
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}
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function runWordpress(bool $jit): array {
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$dir = __DIR__ . '/repos/wordpress-6.2';
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cloneRepo($dir, 'https://github.com/php/benchmarking-wordpress-6.2.git');
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/* FIXME: It might be better to use a stable version of PHP for this command because we can't
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* easily alter the phar file */
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runPhpCommand([
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'-d error_reporting=0',
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'wp-cli.phar',
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'core',
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'install',
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'--url=wordpress.local',
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'--title="Wordpress"',
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'--admin_user=wordpress',
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'--admin_password=wordpress',
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'--admin_email=benchmark@php.net',
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], $dir);
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// Warmup
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runPhpCommand([$dir . '/index.php'], $dir);
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return runValgrindPhpCgiCommand([$dir . '/index.php'], cwd: $dir, jit: $jit, warmup: 50);
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}
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function runPhpCommand(array $args, ?string $cwd = null): ProcessResult {
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return runCommand([PHP_BINARY, ...$args], $cwd);
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}
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function runValgrindPhpCgiCommand(
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array $args,
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?string $cwd = null,
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bool $jit = false,
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int $warmup = 0,
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): array {
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global $phpCgi;
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$process = runCommand([
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'valgrind',
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'--tool=callgrind',
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'--dump-instr=yes',
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'--callgrind-out-file=/dev/null',
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'--',
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$phpCgi,
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'-T' . ($warmup ? $warmup . ',' : '') . '1',
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'-d max_execution_time=0',
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'-d opcache.enable=1',
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'-d opcache.jit_buffer_size=' . ($jit ? '128M' : '0'),
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...$args,
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]);
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$instructions = extractInstructionsFromValgrindOutput($process->stderr);
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return ['instructions' => $instructions];
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}
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function extractInstructionsFromValgrindOutput(string $output): string {
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preg_match("(==[0-9]+== Events : Ir\n==[0-9]+== Collected : (?<instructions>[0-9]+))", $output, $matches);
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return $matches['instructions'] ?? throw new \Exception('Unexpected valgrind output');
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}
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main();

‎benchmark/docker-compose.yml

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version: "3.8"
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services:
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wordpress_db:
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image: mysql:8.0
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ports:
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- "3306:3306"
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environment:
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MYSQL_ROOT_PASSWORD: root
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MYSQL_DATABASE: wordpress
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MYSQL_USER: wordpress
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MYSQL_PASSWORD: wordpress

‎benchmark/generate_diff.php

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<?php
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require_once __DIR__ . '/shared.php';
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function main(?string $headCommitHash, ?string $baseCommitHash) {
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if ($headCommitHash === null || $baseCommitHash === null) {
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fwrite(STDERR, "Usage: php generate_diff.php HEAD_COMMIT_HASH BASE_COMMIT_HASH\n");
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exit(1);
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}
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$repo = __DIR__ . '/repos/data';
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cloneRepo($repo, 'git@github.com:php/benchmarking-data.git');
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$headSummaryFile = $repo . '/' . substr($headCommitHash, 0, 2) . '/' . $headCommitHash . '/summary.json';
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$baseSummaryFile = $repo . '/' . substr($baseCommitHash, 0, 2) . '/' . $baseCommitHash . '/summary.json';
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if (!file_exists($headSummaryFile)) {
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return "Head commit '$headCommitHash' not found\n";
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}
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if (!file_exists($baseSummaryFile)) {
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return "Base commit '$baseCommitHash' not found\n";
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}
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$headSummary = json_decode(file_get_contents($headSummaryFile), true);
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$baseSummary = json_decode(file_get_contents($baseSummaryFile), true);
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$headCommitHashShort = substr($headCommitHash, 0, 7);
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$baseCommitHashShort = substr($baseCommitHash, 0, 7);
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$output = "| Benchmark | Base ($baseCommitHashShort) | Head ($headCommitHashShort) | Diff |\n";
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$output .= "|---|---|---|---|\n";
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foreach ($headSummary as $name => $headBenchmark) {
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$baseInstructions = $baseSummary[$name]['instructions'] ?? null;
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$headInstructions = $headSummary[$name]['instructions'];
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$output .= "| $name | "
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. formatInstructions($baseInstructions) . " | "
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. formatInstructions($headInstructions) . " | "
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. formatDiff($baseInstructions, $headInstructions) . " |\n";
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}
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return $output;
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}
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function formatInstructions(?int $instructions): string {
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if ($instructions === null) {
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return '-';
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}
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if ($instructions > 1e6) {
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return sprintf('%.0fM', $instructions / 1e6);
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} elseif ($instructions > 1e3) {
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return sprintf('%.0fK', $instructions / 1e3);
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} else {
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return (string) $instructions;
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}
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}
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function formatDiff(?int $baseInstructions, int $headInstructions): string {
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if ($baseInstructions === null) {
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return '-';
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}
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$instructionDiff = $headInstructions - $baseInstructions;
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return sprintf('%.2f%%', $instructionDiff / $baseInstructions * 100);
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}
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$headCommitHash = $argv[1] ?? null;
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$baseCommitHash = $argv[2] ?? null;
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$output = main($headCommitHash, $baseCommitHash);
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fwrite(STDOUT, $output);

‎benchmark/shared.php

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<?php
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class ProcessResult {
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public $stdout;
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public $stderr;
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}
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function runCommand(array $args, ?string $cwd = null): ProcessResult {
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$cmd = implode(' ', array_map('escapeshellarg', $args));
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$pipes = null;
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$result = new ProcessResult();
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$descriptorSpec = [0 => ['pipe', 'r'], 1 => ['pipe', 'w'], 2 => ['pipe', 'w']];
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fwrite(STDOUT, "> $cmd\n");
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$processHandle = proc_open($cmd, $descriptorSpec, $pipes, $cwd ?? getcwd(), null);
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$stdin = $pipes[0];
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$stdout = $pipes[1];
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$stderr = $pipes[2];
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fclose($stdin);
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stream_set_blocking($stdout, false);
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stream_set_blocking($stderr, false);
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$stdoutEof = false;
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$stderrEof = false;
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do {
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$read = [$stdout, $stderr];
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$write = null;
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$except = null;
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stream_select($read, $write, $except, 1, 0);
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foreach ($read as $stream) {
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$chunk = fgets($stream);
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if ($stream === $stdout) {
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$result->stdout .= $chunk;
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} elseif ($stream === $stderr) {
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$result->stderr .= $chunk;
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}
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}
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$stdoutEof = $stdoutEof || feof($stdout);
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$stderrEof = $stderrEof || feof($stderr);
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} while(!$stdoutEof || !$stderrEof);
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fclose($stdout);
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fclose($stderr);
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$statusCode = proc_close($processHandle);
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if ($statusCode !== 0) {
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fwrite(STDOUT, $result->stdout);
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fwrite(STDERR, $result->stderr);
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fwrite(STDERR, 'Exited with status code ' . $statusCode . "\n");
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exit($statusCode);
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}
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return $result;
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}
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function cloneRepo(string $path, string $url) {
63+
if (is_dir($path)) {
64+
return;
65+
}
66+
$dir = dirname($path);
67+
$repo = basename($path);
68+
if (!is_dir($dir)) {
69+
mkdir($dir, 0755, true);
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}
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runCommand(['git', 'clone', '-q', '--end-of-options', $url, $repo], dirname($path));
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}

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