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authorJP Sugarbroad <jpsugar@google.com>2017-07-10 15:51:12 -0700
committerJP Sugarbroad <jpsugar@google.com>2017-07-10 15:51:12 -0700
commitccf40c5a824cd755025ba58931e58722eddacbcc (patch)
tree3cd0cc022e2f44f521fd9ef074dab0214b2b8be7 /plumbing
parent6b69a1630b30c41f4563fd95aca1d647ba611adf (diff)
downloadgo-git-ccf40c5a824cd755025ba58931e58722eddacbcc.tar.gz
Use buffered IO for decoding index files.
This reduces syscall CPU time from >40% to <10% in my local repository.
Diffstat (limited to 'plumbing')
-rw-r--r--plumbing/format/idxfile/decoder.go5
1 files changed, 3 insertions, 2 deletions
diff --git a/plumbing/format/idxfile/decoder.go b/plumbing/format/idxfile/decoder.go
index 6618475..fea5f0b 100644
--- a/plumbing/format/idxfile/decoder.go
+++ b/plumbing/format/idxfile/decoder.go
@@ -1,6 +1,7 @@
package idxfile
import (
+ "bufio"
"bytes"
"errors"
"io"
@@ -19,12 +20,12 @@ var (
// Decoder reads and decodes idx files from an input stream.
type Decoder struct {
- io.Reader
+ *bufio.Reader
}
// NewDecoder builds a new idx stream decoder, that reads from r.
func NewDecoder(r io.Reader) *Decoder {
- return &Decoder{r}
+ return &Decoder{bufio.NewReader(r)}
}
// Decode reads from the stream and decode the content into the Idxfile struct.