| <?php |
|
|
| require_once __DIR__ . '/shared.php'; |
|
|
| function main(?string $headCommitHash, ?string $baseCommitHash) { |
| if ($headCommitHash === null || $baseCommitHash === null) { |
| fwrite(STDERR, "Usage: php generate_diff.php HEAD_COMMIT_HASH BASE_COMMIT_HASH\n"); |
| exit(1); |
| } |
|
|
| $repo = __DIR__ . '/repos/data'; |
| cloneRepo($repo, 'git@github.com:php/benchmarking-data.git'); |
| $baseCommitHash = find_benchmarked_commit_hash($repo, $baseCommitHash); |
| $headSummaryFile = $repo . '/' . substr($headCommitHash, 0, 2) . '/' . $headCommitHash . '/summary.json'; |
| $baseSummaryFile = $repo . '/' . substr($baseCommitHash, 0, 2) . '/' . $baseCommitHash . '/summary.json'; |
| if (!file_exists($headSummaryFile)) { |
| return "Head commit '$headCommitHash' not found\n"; |
| } |
| if (!file_exists($baseSummaryFile)) { |
| return "Base commit '$baseCommitHash' not found\n"; |
| } |
| $headSummary = json_decode(file_get_contents($headSummaryFile), true); |
| $baseSummary = json_decode(file_get_contents($baseSummaryFile), true); |
|
|
| $headCommitHashShort = substr($headCommitHash, 0, 7); |
| $baseCommitHashShort = substr($baseCommitHash, 0, 7); |
| $output = "| Benchmark | Base ($baseCommitHashShort) | Head ($headCommitHashShort) | Diff |\n"; |
| $output .= "|---|---|---|---|\n"; |
| foreach ($headSummary as $name => $headBenchmark) { |
| if ($name === 'branch') { |
| continue; |
| } |
| $baseInstructions = $baseSummary[$name]['instructions'] ?? null; |
| $headInstructions = $headSummary[$name]['instructions']; |
| $output .= "| $name | " |
| . formatInstructions($baseInstructions) . " | " |
| . formatInstructions($headInstructions) . " | " |
| . formatDiff($baseInstructions, $headInstructions) . " |\n"; |
| } |
| return $output; |
| } |
|
|
| function formatInstructions(?int $instructions): string { |
| if ($instructions === null) { |
| return '-'; |
| } |
| if ($instructions > 1e6) { |
| return sprintf('%.0fM', $instructions / 1e6); |
| } elseif ($instructions > 1e3) { |
| return sprintf('%.0fK', $instructions / 1e3); |
| } else { |
| return (string) $instructions; |
| } |
| } |
|
|
| function formatDiff(?int $baseInstructions, int $headInstructions): string { |
| if ($baseInstructions === null) { |
| return '-'; |
| } |
| $instructionDiff = $headInstructions - $baseInstructions; |
| return sprintf('%.2f%%', $instructionDiff / $baseInstructions * 100); |
| } |
|
|
| function find_benchmarked_commit_hash(string $repo, string $commitHash): ?string { |
| $repeat = 10; |
|
|
| while (true) { |
| if ($repeat-- <= 0) { |
| fwrite(STDERR, "Count not find benchmarked commit hash\n"); |
| exit(1); |
| } |
| $summaryFile = $repo . '/' . substr($commitHash, 0, 2) . '/' . $commitHash . '/summary.json'; |
| if (file_exists($summaryFile)) { |
| break; |
| } |
| $commitHash = trim(runCommand( |
| ['git', 'rev-parse', $commitHash . '^'], |
| dirname(__DIR__), |
| printCommand: false, |
| )->stdout); |
| } |
|
|
| return $commitHash; |
| } |
|
|
| $headCommitHash = $argv[1] ?? null; |
| $baseCommitHash = $argv[2] ?? null; |
| $output = main($headCommitHash, $baseCommitHash); |
| fwrite(STDOUT, $output); |
|
|
