v8/test/mjsunit/harmony/sharedarraybuffer-stress.js
Ben L. Titzer 4a416dbbe1 [mjsunit] Add more tests for shared array buffers / memories
This CL adds more stress-tests for both shared array buffers and
WebAssembly memories. Because of an existing memory leak that will
be fixed in upcoming CLs, some new tests are disabled.

R=mstarzinger@chromium.org
BUG=v8:9380

Change-Id: I2662e3d0a764a032a0c267b2d99e3ccd1a4951d0
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1697252
Commit-Queue: Ben Titzer <titzer@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62770}
2019-07-17 14:08:38 +00:00

37 lines
950 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++) {
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);