[pypy-issue] Issue #2341: multithreading: locks leading to poor CPU usage (pypy/pypy)

[Armin Rigo]

New issue 2341: multithreading: locks leading to poor CPU usage
https://bitbucket.org/pypy/pypy/issues/2341/multithreading-locks-leading-to-poor-cpu

Armin Rigo:

Lock-heavy multithreaded programs can cause poor CPU usage on PyPy.  The attached example will use only a fraction of the available CPU time, sleeping the rest of the time.