From 8778d42e78c28eeb106f38e9ebb266c2ad7666dd Mon Sep 17 00:00:00 2001
From: Edward Shen <code@eddie.sh>
Date: Mon, 1 Mar 2021 18:33:07 -0500
Subject: [PATCH] benchmarks

---
 Cargo.toml                   |   9 +-
 benches/large_config_file.rs | 293 +++++++++++++++++++++++++++++++++++
 2 files changed, 300 insertions(+), 2 deletions(-)
 create mode 100644 benches/large_config_file.rs

diff --git a/Cargo.toml b/Cargo.toml
index 92af11b..6854b79 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,7 @@ authors = ["Edward Shen <code@eddie.sh>"]
 edition = "2018"
 keywords = ["git-config", "git", "config", "gitoxide"]
 categories = ["config", "parser-implementations"]
-exclude = ["fuzz/**/*", ".vscode/**/*"]
+exclude = ["fuzz/**/*", ".vscode/**/*", "benches/**/*"]
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
@@ -22,7 +22,12 @@ serde_crate = { version = "1", package = "serde", optional = true }
 
 [dev-dependencies]
 serde_derive = "1.0"
+criterion = "0.3"
 
 [profile.release]
 lto = true
-codegen-units = 1
\ No newline at end of file
+codegen-units = 1
+
+[[bench]]
+name = "large_config_file"
+harness = false
\ No newline at end of file
diff --git a/benches/large_config_file.rs b/benches/large_config_file.rs
new file mode 100644
index 0000000..baddb65
--- /dev/null
+++ b/benches/large_config_file.rs
@@ -0,0 +1,293 @@
+use std::convert::TryFrom;
+
+use criterion::{black_box, criterion_group, criterion_main, Criterion};
+use git_config::{file::GitConfig, parser::Parser};
+
+fn git_config(c: &mut Criterion) {
+    c.bench_function("GitConfig large config file", |b| {
+        b.iter(|| GitConfig::try_from(black_box(CONFIG_FILE)).unwrap())
+    });
+}
+
+fn parser(c: &mut Criterion) {
+    c.bench_function("Parser large config file", |b| {
+        b.iter(|| Parser::try_from(black_box(CONFIG_FILE)).unwrap())
+    });
+}
+
+criterion_group!(benches, git_config, parser);
+criterion_main!(benches);
+
+// Found from https://gist.github.com/pksunkara/988716
+const CONFIG_FILE: &str = r#"[user]
+name = Pavan Kumar Sunkara
+email = pavan.sss1991@gmail.com
+username = pksunkara
+[core]
+editor = vim
+whitespace = fix,-indent-with-non-tab,trailing-space,cr-at-eol
+pager = delta
+[sendemail]
+smtpencryption = tls
+smtpserver = smtp.gmail.com
+smtpuser = pavan.sss1991@gmail.com
+smtppass = password
+smtpserverport = 587
+[web]
+browser = google-chrome
+[instaweb]
+httpd = apache2 -f
+[rerere]
+enabled = 1
+autoupdate = 1
+[push]
+default = matching
+[color]
+ui = auto
+[color "branch"]
+current = yellow bold
+local = green bold
+remote = cyan bold
+[color "diff"]
+meta = yellow bold
+frag = magenta bold
+old = red bold
+new = green bold
+whitespace = red reverse
+[color "status"]
+added = green bold
+changed = yellow bold
+untracked = red bold
+[diff]
+tool = vimdiff
+[difftool]
+prompt = false
+[delta]
+features = line-numbers decorations
+line-numbers = true
+[delta "decorations"]
+minus-style = red bold normal
+plus-style = green bold normal
+minus-emph-style = white bold red
+minus-non-emph-style = red bold normal
+plus-emph-style = white bold green
+plus-non-emph-style = green bold normal
+file-style = yellow bold none
+file-decoration-style = yellow box
+hunk-header-style = magenta bold
+hunk-header-decoration-style = magenta box
+minus-empty-line-marker-style = normal normal
+plus-empty-line-marker-style = normal normal
+line-numbers-right-format = "{np:^4}│ "
+[github]
+user = pksunkara
+token = token
+[gitflow "prefix"]
+versiontag = v
+[sequence]
+editor = interactive-rebase-tool
+[alias]
+a = add --all
+ai = add -i
+#############
+ap = apply
+as = apply --stat
+ac = apply --check
+#############
+ama = am --abort
+amr = am --resolved
+ams = am --skip
+#############
+b = branch
+ba = branch -a
+bd = branch -d
+bdd = branch -D
+br = branch -r
+bc = rev-parse --abbrev-ref HEAD
+bu = !git rev-parse --abbrev-ref --symbolic-full-name "@{u}"
+bs = !git-branch-status
+#############
+c = commit
+ca = commit -a
+cm = commit -m
+cam = commit -am
+cem = commit --allow-empty -m
+cd = commit --amend
+cad = commit -a --amend
+ced = commit --allow-empty --amend
+#############
+cl = clone
+cld = clone --depth 1
+clg = !sh -c 'git clone git://github.com/$1 $(basename $1)' -
+clgp = !sh -c 'git clone git@github.com:$1 $(basename $1)' -
+clgu = !sh -c 'git clone git@github.com:$(git config --get user.username)/$1 $1' -
+#############
+cp = cherry-pick
+cpa = cherry-pick --abort
+cpc = cherry-pick --continue
+#############
+d = diff
+dp = diff --patience
+dc = diff --cached
+dk = diff --check
+dck = diff --cached --check
+dt = difftool
+dct = difftool --cached
+#############
+f = fetch
+fo = fetch origin
+fu = fetch upstream
+#############
+fp = format-patch
+#############
+fk = fsck
+#############
+g = grep -p
+#############
+l = log --oneline
+lg = log --oneline --graph --decorate
+#############
+ls = ls-files
+lsf = !git ls-files | grep -i
+#############
+m = merge
+ma = merge --abort
+mc = merge --continue
+ms = merge --skip
+#############
+o = checkout
+om = checkout master
+ob = checkout -b
+opr = !sh -c 'git fo pull/$1/head:pr-$1 && git o pr-$1'
+#############
+pr = prune -v
+#############
+ps = push
+psf = push -f
+psu = push -u
+pst = push --tags
+#############
+pso = push origin
+psao = push --all origin
+psfo = push -f origin
+psuo = push -u origin
+#############
+psom = push origin master
+psaom = push --all origin master
+psfom = push -f origin master
+psuom = push -u origin master
+psoc = !git push origin $(git bc)
+psaoc = !git push --all origin $(git bc)
+psfoc = !git push -f origin $(git bc)
+psuoc = !git push -u origin $(git bc)
+psdc = !git push origin :$(git bc)
+#############
+pl = pull
+pb = pull --rebase
+#############
+plo = pull origin
+pbo = pull --rebase origin
+plom = pull origin master
+ploc = !git pull origin $(git bc)
+pbom = pull --rebase origin master
+pboc = !git pull --rebase origin $(git bc)
+#############
+plu = pull upstream
+plum = pull upstream master
+pluc = !git pull upstream $(git bc)
+pbum = pull --rebase upstream master
+pbuc = !git pull --rebase upstream $(git bc)
+#############
+rb = rebase
+rba = rebase --abort
+rbc = rebase --continue
+rbi = rebase --interactive
+rbs = rebase --skip
+#############
+re = reset
+rh = reset HEAD
+reh = reset --hard
+rem = reset --mixed
+res = reset --soft
+rehh = reset --hard HEAD
+remh = reset --mixed HEAD
+resh = reset --soft HEAD
+rehom = reset --hard origin/master
+#############
+r = remote
+ra = remote add
+rr = remote rm
+rv = remote -v
+rn = remote rename
+rp = remote prune
+rs = remote show
+rao = remote add origin
+rau = remote add upstream
+rro = remote remove origin
+rru = remote remove upstream
+rso = remote show origin
+rsu = remote show upstream
+rpo = remote prune origin
+rpu = remote prune upstream
+#############
+rmf = rm -f
+rmrf = rm -r -f
+#############
+s = status
+sb = status -s -b
+#############
+sa = stash apply
+sc = stash clear
+sd = stash drop
+sl = stash list
+sp = stash pop
+ss = stash save
+ssk = stash save -k
+sw = stash show
+st = !git stash list | wc -l 2>/dev/null | grep -oEi '[0-9][0-9]*'
+#############
+t = tag
+td = tag -d
+#############
+w = show
+wp = show -p
+wr = show -p --no-color
+#############
+svnr = svn rebase
+svnd = svn dcommit
+svnl = svn log --oneline --show-commit
+#############
+subadd = !sh -c 'git submodule add git://github.com/$1 $2/$(basename $1)' -
+subrm = !sh -c 'git submodule deinit -f -- $1 && rm -rf .git/modules/$1 && git rm -f $1' -
+subup = submodule update --init --recursive
+subpull = !git submodule foreach git pull --tags origin master
+#############
+assume = update-index --assume-unchanged
+unassume = update-index --no-assume-unchanged
+assumed = !git ls -v | grep ^h | cut -c 3-
+unassumeall = !git assumed | xargs git unassume
+assumeall = !git status -s | awk {'print $2'} | xargs git assume
+#############
+bump = !sh -c 'git commit -am \"Version bump v$1\" && git psuoc && git release $1' -
+release = !sh -c 'git tag v$1 && git pst' -
+unrelease = !sh -c 'git tag -d v$1 && git pso :v$1' -
+merged = !sh -c 'git o master && git plom && git bd $1 && git rpo' -
+aliases = !git config -l | grep alias | cut -c 7-
+snap = !git stash save 'snapshot: $(date)' && git stash apply 'stash@{0}'
+bare = !sh -c 'git symbolic-ref HEAD refs/heads/$1 && git rm --cached -r . && git clean -xfd' -
+whois = !sh -c 'git log -i -1 --author=\"$1\" --pretty=\"format:%an <%ae>\"' -
+serve = daemon --reuseaddr --verbose --base-path=. --export-all ./.git
+#############
+behind = !git rev-list --left-only --count $(git bu)...HEAD
+ahead = !git rev-list --right-only --count $(git bu)...HEAD
+#############
+ours = "!f() { git checkout --ours $@ && git add $@; }; f"
+theirs = "!f() { git checkout --theirs $@ && git add $@; }; f"
+subrepo = !sh -c 'git filter-branch --prune-empty --subdirectory-filter $1 master' -
+human = name-rev --name-only --refs=refs/heads/*
+[filter "lfs"]
+clean = git-lfs clean -- %f
+smudge = git-lfs smudge -- %f
+process = git-lfs filter-process
+required = true
+"#;