Mercurial > hg-stable
changeset 45396:26eb62bd0550
posixworker: avoid creating workers that end up getting no work
If `workers` (the detected or configured number of CPUs) is greater
than the number of work items, then some of the workers end up getting
0 work items. Let's not create such workers.
Differential Revision: https://phab.mercurial-scm.org/D8927
| author | Martin von Zweigbergk <martinvonz@google.com> |
|---|---|
| date | Thu, 13 Aug 2020 10:37:25 -0700 |
| parents | 8c466bcb0879 |
| children | da3b7c80aa34 |
| files | mercurial/worker.py |
| diffstat | 1 files changed, 1 insertions(+), 1 deletions(-) [+] |
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--- a/mercurial/worker.py Mon Aug 10 21:46:47 2020 -0700 +++ b/mercurial/worker.py Thu Aug 13 10:37:25 2020 -0700 @@ -211,7 +211,7 @@ parentpid = os.getpid() pipes = [] retval = {} - for pargs in partition(args, workers): + for pargs in partition(args, min(workers, len(args))): # Every worker gets its own pipe to send results on, so we don't have to # implement atomic writes larger than PIPE_BUF. Each forked process has # its own pipe's descriptors in the local variables, and the parent