@tensorflow/tfjs-core
Version:
Hardware-accelerated JavaScript library for machine intelligence
48 lines • 1.92 kB
JavaScript
/**
* @license
* Copyright 2019 Google LLC. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* =============================================================================
*/
import { describeWithFlags, HAS_NODE_WORKER } from './jasmine_util';
import { expectArraysClose } from './test_util';
// tslint:disable:no-require-imports
const fn2String = (fn) => {
const funcStr = '(' + fn.toString() + ')()';
return funcStr;
};
// The source code of a web worker.
const workerTestNode = () => {
// Web worker scripts in node live relative to the CWD, not to the dir of the
// file that spawned them.
const tf = require('@tensorflow/tfjs');
const { parentPort } = require('worker_threads');
let a = tf.tensor1d([1, 2, 3]);
const b = tf.tensor1d([3, 2, 1]);
a = a.add(b);
parentPort.postMessage({ data: a.dataSync() });
};
describeWithFlags('computation in worker (node env)', HAS_NODE_WORKER, () => {
// tslint:disable-next-line: ban
it('tensor in worker', (done) => {
const { Worker } = require('worker_threads');
const worker = new Worker(fn2String(workerTestNode), { eval: true });
// tslint:disable-next-line:no-any
worker.on('message', (msg) => {
const data = msg.data;
expectArraysClose(data, [4, 4, 4]);
done();
});
});
});
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