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138 lines
3.9 KiB
JavaScript
138 lines
3.9 KiB
JavaScript
#!/usr/bin/env node
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var util = require("util");
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var fs = require("fs");
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var PEG = require("../lib/peg");
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[
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"benchmarks.js",
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"runner.js",
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].forEach(function(file) {
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eval(fs.readFileSync(__dirname + "/" + file, "utf8"));
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});
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/* Results Table Manipulation */
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function dup(text, count) {
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var result = "";
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for (var i = 1; i <= count; i++) {
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result += text;
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}
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return result;
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}
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function padLeft(text, length) {
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return dup(" ", length - text.length) + text;
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}
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function padRight(text, length) {
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return text + dup(" ", length - text.length);
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}
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function center(text, length) {
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var padLength = (length - text.length) / 2;
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return dup(" ", Math.floor(padLength))
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+ text
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+ dup(" ", Math.ceil(padLength));
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}
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function writeTableHeader() {
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util.puts("┌─────────────────────────────────────┬───────────┬────────────┬──────────────┐");
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util.puts("│ Test │ Inp. size │ Avg. time │ Avg. speed │");
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}
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function writeHeading(heading) {
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util.puts("├─────────────────────────────────────┴───────────┴────────────┴──────────────┤");
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util.puts("│ " + center(heading, 75) + " │");
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util.puts("├─────────────────────────────────────┬───────────┬────────────┬──────────────┤");
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}
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function writeResult(title, inputSize, parseTime) {
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var KB = 1024;
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var MS_IN_S = 1000;
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util.puts("│ "
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+ padRight(title, 35)
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+ " │ "
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+ padLeft((inputSize / KB).toFixed(2), 6)
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+ " kB │ "
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+ padLeft(parseTime.toFixed(2), 7)
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+ " ms │ "
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+ padLeft(((inputSize / KB) / (parseTime / MS_IN_S)).toFixed(2), 7)
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+ " kB/s │"
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);
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}
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function writeSeparator() {
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util.puts("├─────────────────────────────────────┼───────────┼────────────┼──────────────┤");
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}
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function writeTableFooter() {
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util.puts("└─────────────────────────────────────┴───────────┴────────────┴──────────────┘");
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}
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/* Helpers */
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function exitFailure() {
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process.exit(1);
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}
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function abort(message) {
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util.error(message);
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exitFailure();
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}
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/* Main */
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var args = process.argv.slice(2); // Trim "node" and the script path.
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switch (args.length) {
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case 0:
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var runCount = 10;
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break;
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case 1:
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var runCount = parseInt(args[0]);
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if (isNaN(runCount) || runCount <= 0) {
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abort("Number of runs must be a positive integer.");
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}
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break;
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default:
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abort("Too many arguments.");
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}
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util.puts("Each test is run " + runCount + " times.");
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util.puts("");
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Runner.run(benchmarks, runCount, {
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readFile: function(file) {
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return fs.readFileSync(__dirname + "/" + file, "utf8");
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},
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testStart: function(benchmark, test) {
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/* Nothing to do. */
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},
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testFinish: function(benchmark, test, inputSize, parseTime) {
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writeResult(test.title, inputSize, parseTime);
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},
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benchmarkStart: function(benchmark) {
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writeHeading(benchmark.title);
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},
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benchmarkFinish: function(benchmark, inputSize, parseTime) {
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writeSeparator();
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writeResult(benchmark.title + " total", inputSize, parseTime);
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},
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start: function() {
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writeTableHeader();
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},
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finish: function(inputSize, parseTime) {
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writeSeparator();
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writeResult("Total", inputSize, parseTime);
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writeTableFooter();
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},
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});
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