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fd600d3bb1
We should use `(*regexp.Regexp).MatchString` instead of
`(*regexp.Regexp).Match([]byte(...))` when matching string to avoid
unnecessary `[]byte` conversions and reduce allocations.
Example benchmark:
func BenchmarkMatch(b *testing.B) {
for i := 0; i < b.N; i++ {
if match := branchRegex.Match([]byte("main")); !match {
b.Fail()
}
}
}
func BenchmarkMatchString(b *testing.B) {
for i := 0; i < b.N; i++ {
if match := branchRegex.MatchString("main"); !match {
b.Fail()
}
}
}
goos: linux
goarch: amd64
pkg: github.com/runatlantis/atlantis/server/core/config
cpu: AMD Ryzen 7 PRO 4750U with Radeon Graphics
BenchmarkMatch-16 8269699 141.4 ns/op 4 B/op 1 allocs/op
BenchmarkMatchString-16 14298446 95.81 ns/op 0 B/op 0 allocs/op
PASS
ok github.com/runatlantis/atlantis/server/core/config 2.784s
Signed-off-by: Eng Zer Jun <engzerjun@gmail.com>
Co-authored-by: PePe Amengual <jose.amengual@gmail.com>