73d401b9d1
Details: https://docs.google.com/document/d/1-Gi37Ks7rXMVVRkC_HkwGxenP7T1huQUOMrYOtkUCFk/edit?usp=sharing Bug: v8:11340 Change-Id: Ia1d75270373a7ef2307e7ee0fd24da9ecfa27d18 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2643381 Reviewed-by: Michael Achenbach <machenbach@chromium.org> Reviewed-by: Camillo Bruni <cbruni@chromium.org> Reviewed-by: Andreas Haas <ahaas@chromium.org> Commit-Queue: Marja Hölttä <marja@chromium.org> Cr-Commit-Position: refs/heads/master@{#72315}
40 lines
997 B
JavaScript
40 lines
997 B
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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// Flags: --experimental-wasm-threads --expose-gc
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const kNumMessages = 1000;
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function AllocMemory(pages = 1, max = pages) {
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return new WebAssembly.Memory({initial : pages, maximum : max, shared : true});
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}
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(function RunTest() {
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function workerCode() {
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onmessage =
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function(msg) {
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if (msg.memory) postMessage({memory : msg.memory});
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gc();
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}
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}
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let worker = new Worker(workerCode);
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let time = performance.now();
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for (let i = 0; i < kNumMessages; i++) {
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let now = performance.now();
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print(`iteration ${i}, Δ = ${(now - time).toFixed(3)} ms`);
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time = now;
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let memory = AllocMemory();
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worker.postMessage({memory : memory});
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let msg = worker.getMessage();
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if (msg.memory) {
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assertInstanceof(msg.memory, WebAssembly.Memory);
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}
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gc();
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}
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})();
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