upstream/mercurial-mirror Files · mercurial/thirdparty/attr/_config.py

treemanifest: stop storing full path for each item in manifest._lazydirs...

treemanifest: stop storing full path for each item in manifest._lazydirs This information is obtainable, if needed, based on the lazydirs key (which is the entry name) and the manifest's `dir()` method. ### Performance This is actually both a memory and a performance improvement, but it's likely to be a very small one in most situations. In the pathological repo I've been using for testing other performance work I've done recently, this reduced the time for a rebase operation (rebasing two commits across a public-phase change that touches a sibling of one of my tracked directories where the common parent is massive (>>10k entries)): #### Before ``` Time (mean ± σ): 4.059 s ± 0.121 s [User: 0.9 ms, System: 0.6 ms] Range (min … max): 3.941 s … 4.352 s 10 runs ``` #### After ``` Time (mean ± σ): 3.707 s ± 0.060 s [User: 0.8 ms, System: 0.8 ms] Range (min … max): 3.648 s … 3.818 s 10 runs ``` Differential Revision: https://phab.mercurial-scm.org/D9553

Siddharth Agarwal - - Load All Authors

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      from __future__ import absolute_import, division, print_function

      __all__ = ["set_run_validators", "get_run_validators"]

      _run_validators = True

      def set_run_validators(run):

          """

          Set whether or not validators are run.  By default, they are run.

          """

          if not isinstance(run, bool):

              raise TypeError("'run' must be bool.")

          global _run_validators

          _run_validators = run

      def get_run_validators():

          """

          Return whether or not validators are run.

          """

          return _run_validators

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				from __future__ import absolute_import, division, print_function


				__all__ = ["set_run_validators", "get_run_validators"]

				_run_validators = True


				def set_run_validators(run):
				"""
				Set whether or not validators are run. By default, they are run.
				"""
				if not isinstance(run, bool):
				raise TypeError("'run' must be bool.")
				global _run_validators
				_run_validators = run


				def get_run_validators():
				"""
				Return whether or not validators are run.
				"""
				return _run_validators