Module threading 

Thread-count selection helpers.

Constants

AVAILABLE_PARALLELISM_FALLBACK

Assumed parallelism when available_parallelism is unavailable.

DEBUG_STACK_SIZE

Stack size for debug-build threads with deep density-function call chains.

Functions

available_worker_threads

Returns the host’s available parallelism, or AVAILABLE_PARALLELISM_FALLBACK.

worker_threads_for_available

Caps an explicit positive worker count to available parallelism, or uses half the available threads with a minimum target of two.