D7610: rust-threads: force Rayon to respect the worker count in config
Alphare (Raphaël Gomès)
phabricator at mercurial-scm.org
Fri Dec 13 13:17:49 EST 2019
Closed by commit rHG37cbf45bb858: rust-threads: force Rayon to respect the worker count in config (authored by Alphare).
This revision was automatically updated to reflect the committed changes.
This revision was not accepted when it landed; it landed in state "Needs Review".
REPOSITORY
rHG Mercurial
CHANGES SINCE LAST UPDATE
https://phab.mercurial-scm.org/D7610?vs=18640&id=18688
CHANGES SINCE LAST ACTION
https://phab.mercurial-scm.org/D7610/new/
REVISION DETAIL
https://phab.mercurial-scm.org/D7610
AFFECTED FILES
mercurial/dirstate.py
CHANGE DETAILS
diff --git a/mercurial/dirstate.py b/mercurial/dirstate.py
--- a/mercurial/dirstate.py
+++ b/mercurial/dirstate.py
@@ -1116,6 +1116,17 @@
use_rust = False
if use_rust:
+ # Force Rayon (Rust parallelism library) to respect the number of
+ # workers. This is a temporary workaround until Rust code knows
+ # how to read the config file.
+ numcpus = self._ui.configint("worker", "numcpus")
+ if numcpus is not None:
+ encoding.environ.setdefault(b'RAYON_NUM_THREADS', b'%d' % numcpus)
+
+ workers_enabled = self._ui.configbool("worker", "enabled", True)
+ if not workers_enabled:
+ encoding.environ[b"RAYON_NUM_THREADS"] = b"1"
+
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