Node.js v11.13.0

1 files changed, 77 insertions, 0 deletions

diff --git a/deps/node/benchmark/run.js b/deps/node/benchmark/run.js
new file mode 100644
index 00000000..2eb1ab1a
--- /dev/null
+++ b/deps/node/benchmark/run.js
@@ -0,0 +1,77 @@
+'use strict';
+
+const path = require('path');
+const fork = require('child_process').fork;
+const CLI = require('./_cli.js');
+
+const cli = CLI(`usage: ./node run.js [options] [--] <category> ...
+  Run each benchmark in the <category> directory a single time, more than one
+  <category> directory can be specified.
+
+  --filter pattern          string to filter benchmark scripts
+  --set    variable=value   set benchmark variable (can be repeated)
+  --format [simple|csv]     optional value that specifies the output format
+`, { arrayArgs: ['set'] });
+const benchmarks = cli.benchmarks();
+
+if (benchmarks.length === 0) {
+  console.error('No benchmarks found');
+  process.exitCode = 1;
+  return;
+}
+
+const validFormats = ['csv', 'simple'];
+const format = cli.optional.format || 'simple';
+if (!validFormats.includes(format)) {
+  console.error('Invalid format detected');
+  process.exitCode = 1;
+  return;
+}
+
+if (format === 'csv') {
+  console.log('"filename", "configuration", "rate", "time"');
+}
+
+(function recursive(i) {
+  const filename = benchmarks[i];
+  const child = fork(path.resolve(__dirname, filename), cli.optional.set);
+
+  if (format !== 'csv') {
+    console.log();
+    console.log(filename);
+  }
+
+  child.on('message', (data) => {
+    if (data.type !== 'report') {
+      return;
+    }
+    // Construct configuration string, " A=a, B=b, ..."
+    let conf = '';
+    for (const key of Object.keys(data.conf)) {
+      conf += ` ${key}=${JSON.stringify(data.conf[key])}`;
+    }
+    // Delete first space of the configuration
+    conf = conf.slice(1);
+    if (format === 'csv') {
+      // Escape quotes (") for correct csv formatting
+      conf = conf.replace(/"/g, '""');
+      console.log(`"${data.name}", "${conf}", ${data.rate}, ${data.time}`);
+    } else {
+      var rate = data.rate.toString().split('.');
+      rate[0] = rate[0].replace(/(\d)(?=(?:\d\d\d)+(?!\d))/g, '$1,');
+      rate = (rate[1] ? rate.join('.') : rate[0]);
+      console.log(`${data.name} ${conf}: ${rate}`);
+    }
+  });
+
+  child.once('close', (code) => {
+    if (code) {
+      process.exit(code);
+    }
+
+    // If there are more benchmarks execute the next
+    if (i + 1 < benchmarks.length) {
+      recursive(i + 1);
+    }
+  });
+})(0);