48 lines
1.2 KiB
JavaScript
48 lines
1.2 KiB
JavaScript
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// 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: --expose-gc --stress-runs=1
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let script = `onmessage =
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function(msg) {
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if (msg.depth > 0) {
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print("spawn");
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let w = new Worker(msg.script, {type : "string"});
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w.postMessage({script: msg.script, depth: msg.depth - 1});
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let m = w.getMessage();
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w.terminate();
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postMessage(m);
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} else {
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postMessage(-99);
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}
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}`;
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function RunWorker(depth) {
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let w = new Worker(script, {type : "string"});
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let array = new Int32Array([55, -77]);
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w.postMessage({script: script, depth: depth});
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let msg = w.getMessage();
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print(msg);
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w.terminate();
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}
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function RunTest(depth, iterations) {
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let time = performance.now();
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for (let i = 0; i < iterations; 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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RunWorker(depth);
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gc();
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time = now;
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}
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}
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// TODO(9524): increase the workload of this test. Runs out of threads
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// on too many platforms.
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RunTest(1, 1);
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RunTest(2, 2);
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RunTest(5, 3);
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RunTest(9, 2);
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