upstream/mercurial-mirror Files · mercurial/cacheutil.py

rust-revlog: don't create an in-memory nodemap for filelogs from Python...

rust-revlog: don't create an in-memory nodemap for filelogs from Python Explanations inline. Benchmarks from this change affect positively the only repo that showed this being a problem: ``` ### data-env-vars.name = mozilla-try-2024-03-26-ds2-pnm # benchmark.name = hg.command.cat # bin-env-vars.hg.flavor = rust # bin-env-vars.hg.py-re2-module = default # benchmark.variants.files = all-root # benchmark.variants.output = plain # benchmark.variants.rev = tip default: 62.848869 ~~~~~ before-this-patch: 58.113051 (-7.54%, -4.74) this-patch: 57.407533 (-8.66%, -5.44) ### data-env-vars.name = mozilla-try-2024-03-26-ds2-pnm # benchmark.name = hg.command.log # bin-env-vars.hg.flavor = rust # bin-env-vars.hg.py-re2-module = default # benchmark.variants.limit-rev = 10 # benchmark.variants.patch = yes # benchmark.variants.rev = none default: 3.173532 ~~~~~ before-this-patch: 3.543591 (+11.66%, +0.37) this-patch: 3.297235 (+3.90%, +0.12) ```

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      # scmutil.py - Mercurial core utility functions

      #

      #  Copyright Olivia Mackall <olivia@selenic.com> and other

      #

      # This software may be used and distributed according to the terms of the

      # GNU General Public License version 2 or any later version.

      from __future__ import annotations

      from . import repoview

      def cachetocopy(srcrepo):

          """return the list of cache file valuable to copy during a clone"""

          # In local clones we're copying all nodes, not just served

          # ones. Therefore copy all branch caches over.

          cachefiles = [b'branch2']

          cachefiles += [b'branch2-%s' % f for f in repoview.filtertable]

          cachefiles += [b'branch3-exp']

          cachefiles += [b'branch3-exp-%s' % f for f in repoview.filtertable]

          cachefiles += [b'rbc-names-v2', b'rbc-revs-v2']

          cachefiles += [b'tags2']

          cachefiles += [b'tags2-%s' % f for f in repoview.filtertable]

          cachefiles += [b'hgtagsfnodes1']

          return cachefiles

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				# scmutil.py - Mercurial core utility functions
				#
				# Copyright Olivia Mackall <olivia@selenic.com> and other
				#
				# This software may be used and distributed according to the terms of the
				# GNU General Public License version 2 or any later version.

				from __future__ import annotations

				from . import repoview


				def cachetocopy(srcrepo):
				"""return the list of cache file valuable to copy during a clone"""
				# In local clones we're copying all nodes, not just served
				# ones. Therefore copy all branch caches over.
				cachefiles = [b'branch2']
				cachefiles += [b'branch2-%s' % f for f in repoview.filtertable]
				cachefiles += [b'branch3-exp']
				cachefiles += [b'branch3-exp-%s' % f for f in repoview.filtertable]
				cachefiles += [b'rbc-names-v2', b'rbc-revs-v2']
				cachefiles += [b'tags2']
				cachefiles += [b'tags2-%s' % f for f in repoview.filtertable]
				cachefiles += [b'hgtagsfnodes1']
				return cachefiles