Mercurial > hg
view contrib/xml.rnc @ 46775:c94fa884240b
rust: Preallocate the returned `Vec` in `utils::files::relativize_path`
Profiling `rhg files > /dev/null` on an old snapshot of mozilla-central
(with `perf` and the Firefox Profiler:
https://github.com/firefox-devtools/profiler/blob/main/docs-user/guide-perf-profiling.md)
showed non-trivial time spend in this function and in `realloc`.
This change makes the wall-clock time for that process on my machine
go from ~190 ms to ~150 ms.
Differential Revision: https://phab.mercurial-scm.org/D10199
author | Simon Sapin <simon.sapin@octobus.net> |
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date | Sat, 13 Mar 2021 08:59:03 +0100 |
parents | 3acfb69a4729 |
children |
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# RelaxNG schema for "xml" log style # Inspired by Subversion's XML log format. start = log node.type = xsd:string {minLength = "40" maxLength = "40"} log = element log { logentry+ } logentry = element logentry { logentry.attlist, branch*, tag*, hgparent*, author, date, msg, paths?, copies?, extra* } logentry.attlist = attribute revision {xsd:nonNegativeInteger} & attribute node {node.type} branch = element branch { text } tag = element tag { text } hgparent = element parent {hgparent.attlist, text} hgparent.attlist = attribute revision {xsd:integer {minInclusive = "-1"} } & attribute node {node.type} author = element author { author.attlist, text } author.attlist = attribute email {text} date = element date {xsd:dateTime} msg = element msg {msg.attlist, text} msg.attlist = attribute xml:space {"preserve"} paths = element paths { path* } path = element path { path.attlist, text } path.attlist = # Action: (A)dd, (M)odify, (R)emove attribute action {"A"|"M"|"R"} copies = element copies { copy+ } copy = element copy { copy.attlist, text } copy.attlist = attribute source {text} extra = element extra {extra.attlist, text} extra.attlist = attribute key {text}