ref: 0a3340e95254597bc8a9feb250f2733b7d51edf8
parent: 6b21ac3e67cb101255e8c3d9dbf076391a9eed8d
author: Cameron Moore <[email protected]>
date: Mon Oct 15 16:52:46 EDT 2018
resource: Optimize integrity string generation Remove use of fmt.Sprintf for simple string concatenation. A simple change for a small perf boost. ``` name old time/op new time/op delta Integrity-4 525ns ± 2% 268ns ± 2% -48.92% (p=0.000 n=10+10) name old alloc/op new alloc/op delta Integrity-4 144B ± 0% 112B ± 0% -22.22% (p=0.000 n=10+10) name old allocs/op new allocs/op delta Integrity-4 5.00 ± 0% 3.00 ± 0% -40.00% (p=0.000 n=10+10) ```
--- a/resource/integrity/integrity.go
+++ b/resource/integrity/integrity.go
@@ -96,7 +96,7 @@
func integrity(algo string, sum []byte) template.HTMLAttr {encoded := base64.StdEncoding.EncodeToString(sum)
- return template.HTMLAttr(fmt.Sprintf("%s-%s", algo, encoded))+ return template.HTMLAttr(algo + "-" + encoded)
}
func digest(h hash.Hash) ([]byte, error) {