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a555be2e45
Use a JS function as the single entry point for emitting `.onmessage()`
calls, avoiding the overhead of manually constructing each message
event object in C++.
confidence improvement accuracy (*) (**) (***)
worker/echo.js n=100000 sendsPerBroadcast=1 payload='object' workers=1 *** 16.34 % ±1.16% ±1.54% ±1.99%
worker/echo.js n=100000 sendsPerBroadcast=1 payload='string' workers=1 *** 24.41 % ±1.50% ±1.99% ±2.58%
worker/echo.js n=100000 sendsPerBroadcast=10 payload='object' workers=1 *** 26.66 % ±1.54% ±2.05% ±2.65%
worker/echo.js n=100000 sendsPerBroadcast=10 payload='string' workers=1 *** 32.72 % ±1.60% ±2.11% ±2.73%
worker/messageport.js n=1000000 payload='object' *** 40.28 % ±1.48% ±1.95% ±2.52%
worker/messageport.js n=1000000 payload='string' *** 76.95 % ±2.19% ±2.90% ±3.75%
Also fix handling exceptions returned from `MessagePort::New`.
PR-URL: https://github.com/nodejs/node/pull/31605
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Denys Otrishko <shishugi@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
13 lines
256 B
JavaScript
13 lines
256 B
JavaScript
'use strict';
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class MessageEvent {
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constructor(data, target) {
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this.data = data;
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this.target = target;
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}
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}
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exports.emitMessage = function(data) {
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if (typeof this.onmessage === 'function')
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this.onmessage(new MessageEvent(data, this));
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};
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