3f31ffd019
Bug: v8:9407 Change-Id: Icc3130a028003f146e733b13b05568b434b530fe Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3218153 Auto-Submit: Nico Hartmann <nicohartmann@chromium.org> Reviewed-by: Maya Lekova <mslekova@chromium.org> Commit-Queue: Maya Lekova <mslekova@chromium.org> Cr-Commit-Position: refs/heads/main@{#77344}
89 lines
1.9 KiB
JavaScript
89 lines
1.9 KiB
JavaScript
// Copyright 2021 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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"use strict";
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d8.file.execute('bigint-util.js');
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let random_bigints = [];
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// This dummy ensures that the feedback for benchmark.run() in the Measure
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// function from base.js is not monomorphic, thereby preventing the benchmarks
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// below from being inlined. This ensures consistent behavior and comparable
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// results.
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new BenchmarkSuite('Prevent-Inline-Dummy', [10000], [
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new Benchmark('Prevent-Inline-Dummy', true, false, 0, () => {})
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]);
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[32, 64, 128, 256].forEach((d) => {
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new BenchmarkSuite(`AsInt64-${d}`, [1000], [
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new Benchmark(`AsInt64-${d}`, true, false, 0, TestAsInt64,
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() => SetUpTestAsIntN(d))
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]);
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});
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[32, 64, 128, 256].forEach((d) => {
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new BenchmarkSuite(`AsInt32-${d}`, [1000], [
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new Benchmark(`AsInt32-${d}`, true, false, 0, TestAsInt32,
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() => SetUpTestAsIntN(d))
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]);
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});
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[32, 64, 128, 256].forEach((d) => {
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new BenchmarkSuite(`AsInt8-${d}`, [1000], [
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new Benchmark(`AsInt8-${d}`, true, false, 0, TestAsInt8,
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() => SetUpTestAsIntN(d))
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]);
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});
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function SetUpTestAsIntN(d) {
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random_bigints = [
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RandomBigIntWithBits(d),
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RandomBigIntWithBits(d),
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RandomBigIntWithBits(d),
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RandomBigIntWithBits(d),
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RandomBigIntWithBits(d),
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RandomBigIntWithBits(d),
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RandomBigIntWithBits(d),
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RandomBigIntWithBits(d)
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];
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}
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function TestAsInt64() {
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let result = 0n;
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for (let i = 0; i < TEST_ITERATIONS; ++i) {
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result = BigInt.asIntN(64, random_bigints[i % 8]);
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}
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return result;
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}
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function TestAsInt32() {
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let result = 0n;
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for (let i = 0; i < TEST_ITERATIONS; ++i) {
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result = BigInt.asIntN(32, random_bigints[i % 8]);
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}
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return result;
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}
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function TestAsInt8() {
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let result = 0n;
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for (let i = 0; i < TEST_ITERATIONS; ++i) {
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result = BigInt.asIntN(8, random_bigints[i % 8]);
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}
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return result;
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}
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