comparison mercurial/dirstate.py @ 43505:47fac1692ede

rust-threads: force Rayon to respect the worker count in config

As per the inline comment, this is a workaround because Rust code does not yet
know how to read config files.

Differential Revision: https://phab.mercurial-scm.org/D7310

43504:a78a65c33b5a

        elif not match.always():
            # Matchers have yet to be implemented
            use_rust = False

        if use_rust:
            (
                lookup,
                modified,
                added,
                removed,

43505:47fac1692ede

        elif not match.always():
            # Matchers have yet to be implemented
            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"

            (
                lookup,
                modified,
                added,
                removed,