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Performance tuning - eager rune array conversion

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> wc -l /tmp/list2
     2594098 /tmp/list2

    > time cat /tmp/list2 | fzf-0.10.1-darwin_amd64 -fqwerty > /dev/null

    real    0m5.418s
    user    0m10.990s
    sys     0m1.302s

    > time cat /tmp/list2 | fzf-head -fqwerty > /dev/null

    real    0m4.862s
    user    0m6.619s
    sys     0m0.982s
This commit is contained in:
Junegunn Choi
2015-08-02 14:00:18 +09:00
parent 634670e3ea
commit 0ea66329b8
18 changed files with 163 additions and 154 deletions
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23
src/pattern_test.go
View File

@@ -1,6 +1,7 @@
package fzf
import (
"reflect"
"testing"
"github.com/junegunn/fzf/src/algo"
@@ -59,8 +60,8 @@ func TestExact(t *testing.T) {
clearPatternCache()
pattern := BuildPattern(ModeExtended, CaseSmart,
[]Range{}, nil, []rune("'abc"))
runes := []rune("aabbcc abc")
sidx, eidx := algo.ExactMatchNaive(pattern.caseSensitive, &runes, pattern.terms[0].text)
sidx, eidx := algo.ExactMatchNaive(
pattern.caseSensitive, []rune("aabbcc abc"), pattern.terms[0].text)
if sidx != 7 || eidx != 10 {
t.Errorf("%s / %d / %d", pattern.terms, sidx, eidx)
}
@@ -72,8 +73,8 @@ func TestEqual(t *testing.T) {
pattern := BuildPattern(ModeExtended, CaseSmart, []Range{}, nil, []rune("^AbC$"))
match := func(str string, sidxExpected int, eidxExpected int) {
runes := []rune(str)
sidx, eidx := algo.EqualMatch(pattern.caseSensitive, &runes, pattern.terms[0].text)
sidx, eidx := algo.EqualMatch(
pattern.caseSensitive, []rune(str), pattern.terms[0].text)
if sidx != sidxExpected || eidx != eidxExpected {
t.Errorf("%s / %d / %d", pattern.terms, sidx, eidx)
}
@@ -108,25 +109,23 @@ func TestCaseSensitivity(t *testing.T) {
}
func TestOrigTextAndTransformed(t *testing.T) {
strptr := func(str string) *string {
return &str
}
pattern := BuildPattern(ModeExtended, CaseSmart, []Range{}, nil, []rune("jg"))
tokens := Tokenize(strptr("junegunn"), nil)
tokens := Tokenize([]rune("junegunn"), nil)
trans := Transform(tokens, []Range{Range{1, 1}})
origRunes := []rune("junegunn.choi")
for _, mode := range []Mode{ModeFuzzy, ModeExtended} {
chunk := Chunk{
&Item{
text: strptr("junegunn"),
origText: strptr("junegunn.choi"),
text: []rune("junegunn"),
origText: &origRunes,
transformed: trans},
}
pattern.mode = mode
matches := pattern.matchChunk(&chunk)
if *matches[0].text != "junegunn" || *matches[0].origText != "junegunn.choi" ||
if string(matches[0].text) != "junegunn" || string(*matches[0].origText) != "junegunn.choi" ||
matches[0].offsets[0][0] != 0 || matches[0].offsets[0][1] != 5 ||
matches[0].transformed != trans {
!reflect.DeepEqual(matches[0].transformed, trans) {
t.Error("Invalid match result", matches)
}
}