Files
orca/config/scripts/tool-invocation/rolldown-thread-limit.mjs
T
Neil 9bd6272fdf refactor(tooling): organize build, CI, and test owners (#38130)
* refactor(tooling): organize test runtime and maintenance owners

* test(tooling): preserve relocated runtime fixture dependency edges

* refactor(tooling): preserve xterm routing owner checks

* ci(tooling): include routing owner in sparse checkout

* test(tooling): preserve copied workflow dependency closures

* fix(tooling): normalize hashed JSON assets in release parity

* fix(tooling): distinguish asset aliases from literal references

* fix(tooling): frame normalized asset reference payloads

* fix(tooling): normalize decoded JSON asset references

* refactor(tooling): organize build, CI and release owners

* fix(tooling): align moved generator and workflow path contracts

* fix(tooling): update generated plugin bundle owner banners

* test(tooling): create relocated mobile verifier fixture directories

* test(tooling): copy headless detector dependency closure

* test(tooling): align native batch policy fixtures with owner path

* fix(tooling): link moved reliability command to historical evidence

* fix(tooling): preserve nested sandbox owners and canonical guide source

* fix(tooling): target release version owners in checkout fixture
2026-11-04 21:08:19 -08:00

17 lines
618 B
JavaScript

import os from 'node:os'
// Measured on 24 threads: Rolldown's default 24+24 workers cost ~25% more CPU than 8 for no wall-time gain.
const maxRolldownThreads = '8'
/** Caps Rolldown's Tokio and Rayon pools on large hosts unless the caller already chose sizes. */
export function withRolldownThreadLimit(env, availableParallelism = os.availableParallelism()) {
if (availableParallelism <= Number(maxRolldownThreads)) {
return env
}
return {
...env,
ROLLDOWN_WORKER_THREADS: env.ROLLDOWN_WORKER_THREADS ?? maxRolldownThreads,
RAYON_NUM_THREADS: env.RAYON_NUM_THREADS ?? maxRolldownThreads
}
}