v8/test/js-perf-test/Array/reduce.js
Mike Stanton a0ab7d4527 [JSPerfTests] Refactoring in Array 2nd-order builtin tests
The (numbing) repetition in these tests were leading to errors when
writing new tests. Now a function DefineHigherOrderTests() can be
used to succinctly describe a test on (mostly) a single line.

Change-Id: I70d65ffd784a17bbf0b9ca2de477135c5d901794
Reviewed-on: https://chromium-review.googlesource.com/864144
Commit-Queue: Michael Stanton <mvstanton@chromium.org>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50590}
2018-01-15 16:32:27 +00:00

31 lines
1.1 KiB
JavaScript

// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
(() => {
// Make sure we inline the callback, pick up all possible TurboFan
// optimizations.
function RunOptFastReduce(multiple) {
// Use of variable multiple in the callback function forces
// context creation without escape analysis.
//
// Also, the arrow function requires inlining based on
// SharedFunctionInfo.
result = array.reduce((p, v, i, a) => p + multiple);
}
// Don't optimize because I want to optimize RunOptFastMap with a parameter
// to be used in the callback.
%NeverOptimizeFunction(OptFastReduce);
function OptFastReduce() { RunOptFastReduce(3); }
DefineHigherOrderTests([
// name, test function, setup function, user callback
"DoubleReduce", mc("reduce"), DoubleSetup, (p, v, i, o) => p + v,
"SmiReduce", mc("reduce"), SmiSetup, (p, v, i, a) => p + 1,
"FastReduce", mc("reduce"), FastSetup, (p, v, i, a) => p + v,
"OptFastReduce", OptFastReduce, FastSetup, undefined
]);
})();