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[perf] Avoid allocating rune array for ascii string

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In the best case (all ascii), this reduces the memory footprint by 60%
and the response time by 15% to 20%. In the worst case (every line has
non-ascii characters), 3 to 4% overhead is observed.
This commit is contained in:
Junegunn Choi
2016-08-14 00:39:44 +09:00
parent 822b86942c
commit 1d4057c209
16 changed files with 303 additions and 158 deletions
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6
src/algo/algo_test.go
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@@ -3,13 +3,15 @@ package algo
import (
"strings"
"testing"
"github.com/junegunn/fzf/src/util"
)
func assertMatch(t *testing.T, fun func(bool, bool, []rune, []rune) Result, caseSensitive, forward bool, input, pattern string, sidx int32, eidx int32, bonus int32) {
func assertMatch(t *testing.T, fun func(bool, bool, util.Chars, []rune) Result, caseSensitive, forward bool, input, pattern string, sidx int32, eidx int32, bonus int32) {
if !caseSensitive {
pattern = strings.ToLower(pattern)
}
res := fun(caseSensitive, forward, []rune(input), []rune(pattern))
res := fun(caseSensitive, forward, util.RunesToChars([]rune(input)), []rune(pattern))
if res.Start != sidx {
t.Errorf("Invalid start index: %d (expected: %d, %s / %s)", res.Start, sidx, input, pattern)
}