fyrchik/frostfs-api-go
1
0
Fork 0
forked from TrueCloudLab/frostfs-api-go
Code Issues Pull requests 12 Projects Releases Packages Wiki Activity

[#49] util/proto: Do not allocate in StringSize()

Browse source 
It was not catched by the test because most of the time the function is
inlined. However, I've seen it allocating with pprof in one of the
earlier builds.

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
This commit is contained in:
Evgenii Stratonikov 2023-07-26 18:51:37 +03:00
parent 7133a01ccf
commit 7a5ee927c8
1 changed files with 22 additions and 15 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

37
util/proto/marshal.go
View file

@ -20,13 +20,21 @@ type (
)
func BytesMarshal(field int, buf, v []byte) int {
if len(v) == 0 {
return 0
}
return bytesMarshal(field, buf, v)
}
func bytesMarshal(field int, buf, v []byte) int {
func BytesSize(field int, v []byte) int {
return bytesSize(field, v)
}
func bytesMarshal[T ~[]byte | ~string](field int, buf []byte, v T) int {
if len(v) == 0 {
return 0
}
return bytesMarshalNoCheck(field, buf, v)
}
func bytesMarshalNoCheck[T ~[]byte | ~string](field int, buf []byte, v T) int {
prefix := field<<3 | 0x2
// buf length check can prevent panic at PutUvarint, but it will make
@ -38,26 +46,25 @@ func bytesMarshal(field int, buf, v []byte) int {
return i
}
func BytesSize(field int, v []byte) int {
ln := len(v)
if ln == 0 {
func bytesSize[T ~[]byte | ~string](field int, v T) int {
if len(v) == 0 {
return 0
}
return bytesSize(field, v)
return bytesSizeNoCheck(field, v)
}
func bytesSize(field int, v []byte) int {
func bytesSizeNoCheck[T ~[]byte | ~string](field int, v T) int {
prefix := field<<3 | 0x2
return VarUIntSize(uint64(prefix)) + VarUIntSize(uint64(len(v))) + len(v)
}
func StringMarshal(field int, buf []byte, v string) int {
return BytesMarshal(field, buf, []byte(v))
return bytesMarshal(field, buf, v)
}
func StringSize(field int, v string) int {
return BytesSize(field, []byte(v))
return bytesSize(field, v)
}
func BoolMarshal(field int, buf []byte, v bool) int {
@ -146,7 +153,7 @@ func RepeatedBytesMarshal(field int, buf []byte, v [][]byte) int {
var offset int
for i := range v {
offset += bytesMarshal(field, buf[offset:], v[i])
offset += bytesMarshalNoCheck(field, buf[offset:], v[i])
}
return offset
@ -154,7 +161,7 @@ func RepeatedBytesMarshal(field int, buf []byte, v [][]byte) int {
func RepeatedBytesSize(field int, v [][]byte) (size int) {
for i := range v {
size += bytesSize(field, v[i])
size += bytesSizeNoCheck(field, v[i])
}
return size
@ -164,7 +171,7 @@ func RepeatedStringMarshal(field int, buf []byte, v []string) int {
var offset int
for i := range v {
offset += bytesMarshal(field, buf[offset:], []byte(v[i]))
offset += bytesMarshalNoCheck(field, buf[offset:], v[i])
}
return offset
@ -172,7 +179,7 @@ func RepeatedStringMarshal(field int, buf []byte, v []string) int {
func RepeatedStringSize(field int, v []string) (size int) {
for i := range v {
size += bytesSize(field, []byte(v[i]))
size += bytesSizeNoCheck(field, v[i])
}
return size