mirror of
https://github.com/php/php-src.git
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ee6f9e294c
This allows https://nielsdos.github.io/php-benchmark-visualisation/ to only show commits from master (or a specific branch). Otherwise we get confusing, undulating commits from different branches, with potentially wildly different performance. Closes GH-12101
67 lines
2.5 KiB
PHP
67 lines
2.5 KiB
PHP
<?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 => $headBenchmark) {
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if ($name === 'branch') {
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continue;
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}
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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);
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