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test_runner: use os.availableParallelism()
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This commit addresses an existing TODO in the code by moving
to the new os.availableParallelism() instead of os.cpus().length.

PR-URL: #45969
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: Moshe Atlow <moshe@atlow.co.il>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
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cjihrig authored and targos committed Nov 10, 2023
1 parent dfa4444 commit 0bd9704
Showing 1 changed file with 3 additions and 3 deletions.
6 changes: 3 additions & 3 deletions lib/internal/test_runner/test.js
Original file line number Diff line number Diff line change
Expand Up @@ -54,7 +54,7 @@ const {
} = require('internal/validators');
const { setTimeout } = require('timers/promises');
const { TIMEOUT_MAX } = require('internal/timers');
const { cpus } = require('os');
const { availableParallelism } = require('os');
const { bigint: hrtime } = process.hrtime;
const kCallbackAndPromisePresent = 'callbackAndPromisePresent';
const kCancelledByParent = 'cancelledByParent';
Expand Down Expand Up @@ -231,8 +231,8 @@ class Test extends AsyncResource {

case 'boolean':
if (concurrency) {
// TODO(cjihrig): Use uv_available_parallelism() once it lands.
this.concurrency = parent === null ? MathMax(cpus().length - 1, 1) : Infinity;
this.concurrency = parent === null ?
MathMax(availableParallelism() - 1, 1) : Infinity;
} else {
this.concurrency = 1;
}
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