mirror of
https://github.com/nodejs/node.git
synced 2025-05-21 12:25:12 +00:00
6ca81ad72a
PR-URL: https://github.com/nodejs/node/pull/30020 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
35 lines
890 B
JavaScript
35 lines
890 B
JavaScript
// Copyright 2019 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.
|
|
|
|
function Alloc(size) {
|
|
let b = new SharedArrayBuffer(size);
|
|
let v = new Int32Array(b);
|
|
return {buffer : b, view : v};
|
|
}
|
|
|
|
function RunSomeAllocs(total, retained, size) {
|
|
print(`-------iterations = ${total}, retained = ${retained} -------`);
|
|
var array = new Array(retained);
|
|
for (var i = 0; i < total; i++) {
|
|
let pair = Alloc(size);
|
|
// For some iterations, retain the memory, view, or both.
|
|
switch (i % 3) {
|
|
case 0:
|
|
pair.memory = null;
|
|
break;
|
|
case 1:
|
|
pair.view = null;
|
|
break;
|
|
case 2:
|
|
break;
|
|
}
|
|
array[i % retained] = pair;
|
|
}
|
|
}
|
|
|
|
RunSomeAllocs(10, 1, 1024);
|
|
RunSomeAllocs(100, 3, 2048);
|
|
RunSomeAllocs(1000, 10, 16384);
|
|
RunSomeAllocs(10000, 20, 32768);
|