Topic

concurrent.futures

3 posts

ProcessPool vs Sequential CPU: Localhost Lab

Hands-on ProcessPoolExecutor vs sequential CPU lab: real wall time and worker sweep on pure-Python sum-of-squares, measured on Linux localhost for SREs.

1 Oct 20264 min read

ThreadPoolExecutor vs Sequential: I/O Lab

Hands-on ThreadPoolExecutor vs sequential lab: real wall-time speedup for I/O sleep workloads plus GIL CPU contrast, measured on Linux localhost (lab).

1 Oct 20264 min read

ProcessPool vs ThreadPool: GIL CPU Lab with Real Numbers

Hands-on ProcessPool vs ThreadPool lab: pure-Python threads lose to processes, hashlib threads help, and sleep I/O favors threads.

30 Sept 20265 min read