13debbe1e8
Bug: v8:9213 Change-Id: I05f56f7bdd8d15f2ae992a97529fba18f0644c55 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1678417 Commit-Queue: Nico Hartmann <nicohartmann@google.com> Reviewed-by: Jakob Kummerow <jkummerow@chromium.org> Reviewed-by: Sigurd Schneider <sigurds@chromium.org> Reviewed-by: Georg Neis <neis@chromium.org> Cr-Commit-Position: refs/heads/master@{#62461}
87 lines
1.9 KiB
JavaScript
87 lines
1.9 KiB
JavaScript
// Copyright 2019 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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load('bigint-util.js');
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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(`AsUint64-${d}`, [1000], [
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new Benchmark(`AsUint64-${d}`, true, false, 0, TestAsUint64,
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() => SetUpTestAsUintN(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(`AsUint32-${d}`, [1000], [
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new Benchmark(`AsUint32-${d}`, true, false, 0, TestAsUint32,
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() => SetUpTestAsUintN(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(`AsUint8-${d}`, [1000], [
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new Benchmark(`AsUint8-${d}`, true, false, 0, TestAsUint8,
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() => SetUpTestAsUintN(d))
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]);
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});
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function SetUpTestAsUintN(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 TestAsUint64() {
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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.asUintN(64, random_bigints[i % 8]);
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}
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return result;
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}
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function TestAsUint32() {
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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.asUintN(32, random_bigints[i % 8]);
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}
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return result;
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}
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function TestAsUint8() {
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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.asUintN(8, random_bigints[i % 8]);
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}
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return result;
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}
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