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[performance] cache library performance enhancements (updates go-structr => v0.2.0) (#2575)

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* update go-structr => v0.2.0

* update readme

* whoops, fix the link
This commit is contained in:
kim
2024-01-26 12:14:10 +00:00
committed by GitHub
parent c946d02c1f
commit 07207e71e9
36 changed files with 4880 additions and 1379 deletions
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50
vendor/codeberg.org/gruf/go-structr/util.go generated vendored
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@ -7,8 +7,7 @@ import (
"unicode"
"unicode/utf8"
"codeberg.org/gruf/go-byteutil"
"codeberg.org/gruf/go-mangler"
"github.com/zeebo/xxh3"
)
// findField will search for a struct field with given set of names, where names is a len > 0 slice of names account for nesting.
@ -68,22 +67,8 @@ func findField(t reflect.Type, names []string, allowZero bool) (sfield structfie
t = field.Type
}
// Get final type mangler func.
sfield.mangler = mangler.Get(t)
if allowZero {
var buf []byte
// Allocate field instance.
v := reflect.New(field.Type)
v = v.Elem()
// Serialize this zero value into buf.
buf = sfield.mangler(buf, v.Interface())
// Set zero value str.
sfield.zero = string(buf)
}
// Get final type hash func.
sfield.hasher = hasher(t)
return
}
@ -93,26 +78,21 @@ func panicf(format string, args ...any) {
panic(fmt.Sprintf(format, args...))
}
// bufpool provides a memory pool of byte
// buffers used when encoding key types.
var bufPool sync.Pool
// hashPool provides a memory pool of xxh3
// hasher objects used indexing field vals.
var hashPool sync.Pool
// getBuf fetches buffer from memory pool.
func getBuf() *byteutil.Buffer {
v := bufPool.Get()
// gethashbuf fetches hasher from memory pool.
func getHasher() *xxh3.Hasher {
v := hashPool.Get()
if v == nil {
buf := new(byteutil.Buffer)
buf.B = make([]byte, 0, 512)
v = buf
v = new(xxh3.Hasher)
}
return v.(*byteutil.Buffer)
return v.(*xxh3.Hasher)
}
// putBuf replaces buffer in memory pool.
func putBuf(buf *byteutil.Buffer) {
if buf.Cap() > int(^uint16(0)) {
return // drop large bufs
}
buf.Reset()
bufPool.Put(buf)
// putHasher replaces hasher in memory pool.
func putHasher(h *xxh3.Hasher) {
h.Reset()
hashPool.Put(h)
}