benchmark: refactor crypto oneshot

benchmark/crypto/oneshot-sign.js

@@ -0,0 +1,130 @@
+'use strict';
+
+const common = require('../common.js');
+const crypto = require('crypto');
+const fs = require('fs');
+const path = require('path');
+const fixtures_keydir = path.resolve(__dirname, '../../test/fixtures/keys/');
+
+const keyFixtures = {
+  ec: fs.readFileSync(`${fixtures_keydir}/ec_p256_private.pem`).toString(),
+  rsa: fs.readFileSync(`${fixtures_keydir}/rsa_private_2048.pem`).toString(),
+  ed25519: fs.readFileSync(`${fixtures_keydir}/ed25519_private.pem`).toString(),
+};
+
+const data = crypto.randomBytes(256);
+
+let pems;
+let keyObjects;
+
+const bench = common.createBenchmark(main, {
+  keyType: ['rsa', 'ec', 'ed25519'],
+  mode: ['sync', 'async', 'async-parallel'],
+  keyFormat: ['pem', 'der', 'jwk', 'keyObject', 'keyObject.unique'],
+  n: [1e3],
+});
+
+function measureSync(n, digest, privateKey, keys) {
+  bench.start();
+  for (let i = 0; i < n; ++i) {
+    crypto.sign(
+      digest,
+      data,
+      privateKey || keys[i]);
+  }
+  bench.end(n);
+}
+
+function measureAsync(n, digest, privateKey, keys) {
+  let remaining = n;
+  function done() {
+    if (--remaining === 0)
+      bench.end(n);
+    else
+      one();
+  }
+
+  function one() {
+    crypto.sign(
+      digest,
+      data,
+      privateKey || keys[n - remaining],
+      done);
+  }
+  bench.start();
+  one();
+}
+
+function measureAsyncParallel(n, digest, privateKey, keys) {
+  let remaining = n;
+  function done() {
+    if (--remaining === 0)
+      bench.end(n);
+  }
+  bench.start();
+  for (let i = 0; i < n; ++i) {
+    crypto.sign(
+      digest,
+      data,
+      privateKey || keys[i],
+      done);
+  }
+}
+
+function main({ n, mode, keyFormat, keyType }) {
+  // "keyObject.unique" allow to compare the result with "keyObject" to
+  // assess whether mutexes over the key material impact the operation
+  if (keyFormat === 'keyObject.unique' && mode !== 'async-parallel') {
+    return;
+  }
+
+  pems ||= [...Buffer.alloc(n)].map(() => keyFixtures[keyType]);
+  keyObjects ||= pems.map(crypto.createPrivateKey);
+
+  let privateKey, keys, digest;
+
+  switch (keyType) {
+    case 'rsa':
+    case 'ec':
+      digest = 'sha256';
+      break;
+    case 'ed25519':
+      break;
+    default:
+      throw new Error('not implemented');
+  }
+
+  switch (keyFormat) {
+    case 'keyObject':
+      privateKey = keyObjects[0];
+      break;
+    case 'pem':
+      privateKey = pems[0];
+      break;
+    case 'jwk': {
+      privateKey = { key: keyObjects[0].export({ format: 'jwk' }), format: 'jwk' };
+      break;
+    }
+    case 'der': {
+      privateKey = { key: keyObjects[0].export({ format: 'der', type: 'pkcs8' }), format: 'der', type: 'pkcs8' };
+      break;
+    }
+    case 'keyObject.unique':
+      keys = keyObjects;
+      break;
+    default:
+      throw new Error('not implemented');
+  }
+
+  switch (mode) {
+    case 'sync':
+      measureSync(n, digest, privateKey, keys);
+      break;
+    case 'async':
+      measureAsync(n, digest, privateKey, keys);
+      break;
+    case 'async-parallel':
+      measureAsyncParallel(n, digest, privateKey, keys);
+      break;
+  }
+}