1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
// 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++) {
if ((i % 25) == 0)
print(`iteration $ { 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);
|
