diff options
Diffstat (limited to 'vendor/github.com/minio/md5-simd/md5-digest_amd64.go')
| -rw-r--r-- | vendor/github.com/minio/md5-simd/md5-digest_amd64.go | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/vendor/github.com/minio/md5-simd/md5-digest_amd64.go b/vendor/github.com/minio/md5-simd/md5-digest_amd64.go index fe10c75318..5ea23a499c 100644 --- a/vendor/github.com/minio/md5-simd/md5-digest_amd64.go +++ b/vendor/github.com/minio/md5-simd/md5-digest_amd64.go @@ -10,6 +10,7 @@ import ( "encoding/binary" "errors" "fmt" + "sync" "sync/atomic" ) @@ -121,6 +122,14 @@ func (d *md5Digest) Close() { } } +var sumChPool sync.Pool + +func init() { + sumChPool.New = func() interface{} { + return make(chan sumResult, 1) + } +} + // Sum - Return MD5 sum in bytes func (d *md5Digest) Sum(in []byte) (result []byte) { if d.blocksCh == nil { @@ -148,10 +157,11 @@ func (d *md5Digest) Sum(in []byte) (result []byte) { if len(trail)%BlockSize != 0 { panic(fmt.Errorf("internal error: sum block was not aligned. len=%d, nx=%d", len(trail), d.nx)) } - sumCh := make(chan sumResult, 1) + sumCh := sumChPool.Get().(chan sumResult) d.sendBlock(blockInput{uid: d.uid, msg: trail, sumCh: sumCh}, true) sum := <-sumCh + sumChPool.Put(sumCh) return append(in, sum.digest[:]...) } |