Large memory allocation on pools.Put #7
Description
Hi,
I was benchmarking my lib which is using of gobwas/pbytes package extensively, however, during my benchamrks i found
that there is a large amount of allocation happens in pool.Put() function. I checked i didn't find anything. That is why i have asking it here maybe you could help me to find out.
github.com/gobwas/pool/pbytes.(*Pool).Put
/Users/ehsan/Dev/ronak/go/rony/vendor/github.com/gobwas/pool/pbytes/pool.go
Total: 237.51MB 237.51MB (flat, cum) 92.18%
42 . .
43 . . // Put returns given slice to reuse pool.
44 . . // It does not reuse bytes whose size is not power of two or is out of pool
45 . . // min/max range.
46 . . func (p *Pool) Put(bts []byte) {
47 237.51MB 237.51MB p.pool.Put(bts, cap(bts))
48 . . }
49 . .
50 . . // GetCap returns probably reused slice of bytes with at least capacity of n.
51 . . func (p *Pool) GetCap(c int) []byte {
52 . . return p.Get(0, c)
github.com/gobwas/pool/pbytes.(*Pool).Get
/Users/ehsan/Dev/ronak/go/rony/vendor/github.com/gobwas/pool/pbytes/pool.go
Total: 9.50MB 9.50MB (flat, cum) 3.69%
35 . . bts := v.([]byte)
36 . . bts = bts[:n]
37 . . return bts
38 . . }
39 . .
40 9.50MB 9.50MB return make([]byte, n, x)
41 . . }
42 . .
43 . . // Put returns given slice to reuse pool.
44 . . // It does not reuse bytes whose size is not power of two or is out of pool
45 . . // min/max range.