Upload Kmake

benchmark/error/determine-specific-type.js

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+'use strict';
+
+const common = require('../common');
+
+const bench = common.createBenchmark(main, {
+  n: [1e6],
+  v: [
+    '() => 1n',
+    '() => true',
+    '() => false',
+    '() => 2',
+    '() => +0',
+    '() => -0',
+    '() => NaN',
+    '() => Infinity',
+    '() => ""',
+    '() => "\'"',
+    '() => Symbol("foo")',
+    '() => function foo() {}',
+    '() => null',
+    '() => undefined',
+    '() => new Array()',
+    '() => new BigInt64Array()',
+    '() => new BigUint64Array()',
+    '() => new Int8Array()',
+    '() => new Int16Array()',
+    '() => new Int32Array()',
+    '() => new Float32Array()',
+    '() => new Float64Array()',
+    '() => new Uint8Array()',
+    '() => new Uint8ClampedArray()',
+    '() => new Uint16Array()',
+    '() => new Uint32Array()',
+    '() => new Date()',
+    '() => new Map()',
+    '() => new WeakMap()',
+    '() => new Object()',
+    '() => Promise.resolve("foo")',
+    '() => new Set()',
+    '() => new WeakSet()',
+    '() => ({ __proto__: null })',
+  ],
+}, {
+  flags: ['--expose-internals'],
+});
+
+function main({ n, v }) {
+  const {
+    determineSpecificType,
+  } = require('internal/errors');
+
+  const value = eval(v)();
+
+  bench.start();
+  for (let i = 0; i < n; ++i)
+    determineSpecificType(value);
+  bench.end(n);
+}

benchmark/error/error-class-reg-exp.js

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+'use strict';
+
+const common = require('../common.js');
+
+const bench = common.createBenchmark(main, {
+  n: [1e5],
+}, {
+  flags: ['--expose-internals'],
+});
+
+const instances = Array.from({ length: 1000 }).map(() => 'Uint8Array');
+
+function main({ n }) {
+  const {
+    codes: {
+      ERR_INVALID_ARG_TYPE,
+    },
+  } = require('internal/errors');
+  bench.start();
+  for (let i = 0; i < n; ++i)
+    new ERR_INVALID_ARG_TYPE('target', instances, 'test');
+  bench.end(n);
+}

benchmark/error/error.js

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+'use strict';
+
+const common = require('../common.js');
+
+const bench = common.createBenchmark(main, {
+  n: [1e7],
+});
+
+function main({ n }) {
+  bench.start();
+  for (let i = 0; i < n; ++i)
+    new Error('test');
+  bench.end(n);
+}

benchmark/error/format-list.js

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+'use strict';
+
+const common = require('../common.js');
+
+const bench = common.createBenchmark(main, {
+  n: [1e7],
+  input: [
+    '',
+    'a',
+    'a,b',
+    'a,b,c',
+    'a,b,c,d',
+  ],
+  type: [
+    'undefined',
+    'and',
+    'or',
+  ],
+}, {
+  flags: ['--expose-internals'],
+});
+
+function main({ n, input, type }) {
+  const {
+    formatList,
+  } = require('internal/errors');
+
+  const list = input.split(',');
+
+  if (type === 'undefined') {
+    bench.start();
+    for (let i = 0; i < n; ++i) {
+      formatList(list);
+    }
+    bench.end(n);
+    return;
+  }
+
+  bench.start();
+  for (let i = 0; i < n; ++i) {
+    formatList(list, type);
+  }
+  bench.end(n);
+}

benchmark/error/hidestackframes-noerr.js

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+'use strict';
+
+const common = require('../common.js');
+const assert = require('assert');
+
+const bench = common.createBenchmark(main, {
+  type: [
+    'hide-stackframes',
+    'direct-call',
+  ],
+  n: [1e7],
+}, {
+  flags: ['--expose-internals'],
+});
+
+function main({ n, type }) {
+  const {
+    hideStackFrames,
+    codes: {
+      ERR_INVALID_ARG_TYPE,
+    },
+  } = require('internal/errors');
+
+  const testfn = (value) => {
+    if (typeof value !== 'number') {
+      throw new ERR_INVALID_ARG_TYPE('Benchmark', 'number', value);
+    }
+  };
+
+  const hideStackFramesTestfn = hideStackFrames((value) => {
+    if (typeof value !== 'number') {
+      throw new ERR_INVALID_ARG_TYPE.HideStackFrameError('Benchmark', 'number', value);
+    }
+  });
+
+  const fn = type === 'hide-stackframe' ? hideStackFramesTestfn : testfn;
+
+  const value = 42;
+
+  const length = 1024;
+  const array = [];
+  const errCase = false;
+
+  for (let i = 0; i < length; ++i) {
+    array.push(fn(value));
+  }
+
+  bench.start();
+
+  for (let i = 0; i < n; i++) {
+    const index = i % length;
+    array[index] = fn(value);
+  }
+
+  bench.end(n);
+
+  // Verify the entries to prevent dead code elimination from making
+  // the benchmark invalid.
+  for (let i = 0; i < length; ++i) {
+    assert.strictEqual(typeof array[i], errCase ? 'object' : 'undefined');
+  }
+}

benchmark/error/hidestackframes-throw.js

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+'use strict';
+
+const common = require('../common.js');
+const assert = require('assert');
+
+const bench = common.createBenchmark(main, {
+  type: [
+    'hide-stackframes',
+    'direct-call',
+  ],
+  double: ['true', 'false'],
+  n: [1e5],
+}, {
+  flags: ['--expose-internals'],
+});
+
+function main({ n, type, double }) {
+  const {
+    hideStackFrames,
+    codes: {
+      ERR_INVALID_ARG_TYPE,
+    },
+  } = require('internal/errors');
+
+  const value = 'err';
+
+  const testfn = (value) => {
+    if (typeof value !== 'number') {
+      throw new ERR_INVALID_ARG_TYPE('Benchmark', 'number', value);
+    }
+  };
+
+  const hideStackFramesTestfn = hideStackFrames((value) => {
+    if (typeof value !== 'number') {
+      throw new ERR_INVALID_ARG_TYPE.HideStackFrameError('Benchmark', 'number', value);
+    }
+  });
+
+  function doubleTestfn(value) {
+    testfn(value);
+  }
+
+  const doubleHideStackFramesTestfn = hideStackFrames((value) => {
+    hideStackFramesTestfn.withoutStackTrace(value);
+  });
+
+  const fn = type === 'hide-stackframe' ?
+    double === 'true' ?
+      doubleHideStackFramesTestfn :
+      hideStackFramesTestfn :
+    double === 'true' ?
+      doubleTestfn :
+      testfn;
+
+  const length = 1024;
+  const array = [];
+  let errCase = false;
+
+  // Warm up.
+  for (let i = 0; i < length; ++i) {
+    try {
+      fn(value);
+    } catch (e) {
+      errCase = true;
+      array.push(e);
+    }
+  }
+
+  bench.start();
+
+  for (let i = 0; i < n; i++) {
+    const index = i % length;
+    try {
+      fn(value);
+    } catch (e) {
+      array[index] = e;
+    }
+  }
+
+  bench.end(n);
+
+  // Verify the entries to prevent dead code elimination from making
+  // the benchmark invalid.
+  for (let i = 0; i < length; ++i) {
+    assert.strictEqual(typeof array[i], errCase ? 'object' : 'undefined');
+  }
+}

benchmark/error/node-error-instantiation.js

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+'use strict';
+
+const common = require('../common');
+const assert = require('assert');
+
+const bench = common.createBenchmark(main, {
+  n: [1e6],
+  code: [
+    'built-in',
+    'ERR_HTTP2_STREAM_SELF_DEPENDENCY',
+    'ERR_INVALID_STATE',
+    'ERR_INVALID_URL',
+  ],
+  stackTraceLimit: [0, 10],
+}, {
+  flags: ['--expose-internals'],
+});
+
+function getErrorFactory(code) {
+  const {
+    ERR_HTTP2_STREAM_SELF_DEPENDENCY,
+    ERR_INVALID_STATE,
+    ERR_INVALID_URL,
+  } = require('internal/errors').codes;
+
+  switch (code) {
+    case 'built-in':
+      return (n) => new Error();
+    case 'ERR_HTTP2_STREAM_SELF_DEPENDENCY':
+      return (n) => new ERR_HTTP2_STREAM_SELF_DEPENDENCY();
+    case 'ERR_INVALID_STATE':
+      return (n) => new ERR_INVALID_STATE(n + '');
+    case 'ERR_INVALID_URL':
+      return (n) => new ERR_INVALID_URL({ input: n + '' });
+    default:
+      throw new Error(`${code} not supported`);
+  }
+}
+
+function main({ n, code, stackTraceLimit }) {
+  const getError = getErrorFactory(code);
+
+  Error.stackTraceLimit = stackTraceLimit;
+
+  // Warm up.
+  const length = 1024;
+  const array = [];
+  for (let i = 0; i < length; ++i) {
+    array.push(getError(i));
+  }
+
+  bench.start();
+
+  for (let i = 0; i < n; ++i) {
+    const index = i % length;
+    array[index] = getError(index);
+  }
+
+  bench.end(n);
+
+  // Verify the entries to prevent dead code elimination from making
+  // the benchmark invalid.
+  for (let i = 0; i < length; ++i) {
+    assert.strictEqual(typeof array[i], 'object');
+  }
+}

benchmark/error/node-error-stack.js

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+'use strict';
+
+const common = require('../common');
+const assert = require('assert');
+
+const bench = common.createBenchmark(main, {
+  n: [1e6],
+  code: [
+    'built-in',
+    'ERR_HTTP2_STREAM_SELF_DEPENDENCY',
+    'ERR_INVALID_STATE',
+  ],
+  stackTraceLimit: [0, 10],
+}, {
+  flags: ['--expose-internals'],
+});
+
+function getErrorStackFactory(code) {
+  const {
+    ERR_INVALID_STATE,
+    ERR_HTTP2_STREAM_SELF_DEPENDENCY,
+  } = require('internal/errors').codes;
+
+  switch (code) {
+    case 'built-in':
+      return (n) => new Error().stack;
+    case 'ERR_HTTP2_STREAM_SELF_DEPENDENCY':
+      return (n) => new ERR_HTTP2_STREAM_SELF_DEPENDENCY().stack;
+    case 'ERR_INVALID_STATE':
+      return (n) => new ERR_INVALID_STATE(n + '').stack;
+    default:
+      throw new Error(`${code} not supported`);
+  }
+}
+
+function main({ n, code, stackTraceLimit }) {
+  const getStack = getErrorStackFactory(code);
+
+  Error.stackTraceLimit = stackTraceLimit;
+
+  // Warm up.
+  const length = 1024;
+  const array = [];
+  for (let i = 0; i < length; ++i) {
+    array.push(getStack(i));
+  }
+
+  bench.start();
+
+  for (let i = 0; i < n; ++i) {
+    const index = i % length;
+    array[index] = getStack(index);
+  }
+
+  bench.end(n);
+
+  // Verify the entries to prevent dead code elimination from making
+  // the benchmark invalid.
+  for (let i = 0; i < length; ++i) {
+    assert.strictEqual(typeof array[i], 'string');
+  }
+}

benchmark/error/system-error-instantiation.js

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+'use strict';
+
+const common = require('../common');
+const assert = require('assert');
+
+const bench = common.createBenchmark(main, {
+  n: [1e6],
+  code: [
+    'built-in',
+    'ERR_FS_CP_DIR_TO_NON_DIR',
+  ],
+  stackTraceLimit: [0, 10],
+}, {
+  flags: ['--expose-internals'],
+});
+
+function getErrorFactory(code) {
+  const {
+    ERR_FS_CP_DIR_TO_NON_DIR,
+  } = require('internal/errors').codes;
+
+  switch (code) {
+    case 'built-in':
+      return (n) => new Error();
+    case 'ERR_FS_CP_DIR_TO_NON_DIR':
+      return (n) => new ERR_FS_CP_DIR_TO_NON_DIR({
+        message: 'cannot overwrite directory',
+        path: 'dest',
+        syscall: 'cp',
+        errno: 21,
+        code: 'EISDIR',
+      });
+    default:
+      throw new Error(`${code} not supported`);
+  }
+}
+
+function main({ n, code, stackTraceLimit }) {
+  const getError = getErrorFactory(code);
+
+  Error.stackTraceLimit = stackTraceLimit;
+
+  // Warm up.
+  const length = 1024;
+  const array = [];
+  for (let i = 0; i < length; ++i) {
+    array.push(getError(i));
+  }
+
+  bench.start();
+
+  for (let i = 0; i < n; ++i) {
+    const index = i % length;
+    array[index] = getError(index);
+  }
+
+  bench.end(n);
+
+  // Verify the entries to prevent dead code elimination from making
+  // the benchmark invalid.
+  for (let i = 0; i < length; ++i) {
+    assert.strictEqual(typeof array[i], 'object');
+  }
+}