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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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16
src/chunklist_test.go
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@@ -6,7 +6,7 @@ import (
)
func TestChunkList(t *testing.T) {
cl := NewChunkList(func(s *string, i int) *Item {
cl := NewChunkList(func(s []rune, i int) *Item {
return &Item{text: s, rank: Rank{0, 0, uint32(i * 2)}}
})
@@ -17,8 +17,8 @@ func TestChunkList(t *testing.T) {
}
// Add some data
cl.Push("hello")
cl.Push("world")
cl.Push([]rune("hello"))
cl.Push([]rune("world"))
// Previously created snapshot should remain the same
if len(snapshot) > 0 {
@@ -36,8 +36,8 @@ func TestChunkList(t *testing.T) {
if len(*chunk1) != 2 {
t.Error("Snapshot should contain only two items")
}
if *(*chunk1)[0].text != "hello" || (*chunk1)[0].rank.index != 0 ||
*(*chunk1)[1].text != "world" || (*chunk1)[1].rank.index != 2 {
if string((*chunk1)[0].text) != "hello" || (*chunk1)[0].rank.index != 0 ||
string((*chunk1)[1].text) != "world" || (*chunk1)[1].rank.index != 2 {
t.Error("Invalid data")
}
if chunk1.IsFull() {
@@ -46,7 +46,7 @@ func TestChunkList(t *testing.T) {
// Add more data
for i := 0; i < chunkSize*2; i++ {
cl.Push(fmt.Sprintf("item %d", i))
cl.Push([]rune(fmt.Sprintf("item %d", i)))
}
// Previous snapshot should remain the same
@@ -64,8 +64,8 @@ func TestChunkList(t *testing.T) {
t.Error("Unexpected number of items")
}
cl.Push("hello")
cl.Push("world")
cl.Push([]rune("hello"))
cl.Push([]rune("world"))
lastChunkCount := len(*snapshot[len(snapshot)-1])
if lastChunkCount != 2 {