pyarrow.cpu_count#

pyarrow.cpu_count()#

Return the number of threads to use in parallel operations.

The number of threads is determined at startup by inspecting theOMP_NUM_THREADS andOMP_THREAD_LIMIT environment variables.If neither is present, it will default to the number of hardware threadson the system. It can be modified at runtime by callingset_cpu_count().

See also

set_cpu_count

Modify the size of this pool.

io_thread_count

The analogous function for the I/O thread pool.