parallel-es/src/api/node.ts

Simple parallelization for EcmaScript

import * as os from "os";

import {DynamicFunctionRegistry} from "../common/function/dynamic-function-registry";
import {FunctionCallSerializer} from "../common/function/function-call-serializer";
import {NodeWorkerThreadFactory} from "../node/worker/node-worker-thread-factory";
import {DefaultThreadPool} from "../common/thread-pool/default-thread-pool";
import {IParallel} from "../common/parallel/parallel";
import {parallelFactory} from "../common/parallel/parallel-impl";
import {DefaultParallelScheduler} from "../common/parallel/scheduling/default-parallel-scheduler";
export * from "./shared";

const functionLookupTable = new DynamicFunctionRegistry();
const maxConcurrencyLevel = os.cpus().length;

const functionCallSerializer = new FunctionCallSerializer(functionLookupTable);
const threadPool = new DefaultThreadPool(new NodeWorkerThreadFactory(functionLookupTable), { maxConcurrencyLevel });

/**
 * The global parallel instance.
 */
const parallel: IParallel = parallelFactory({
    functionCallSerializer,
    scheduler: new DefaultParallelScheduler(),
    threadPool
});

export default parallel;