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speed up marshaling of transport parameters (#3531)

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The speedup comes from multiple sources:
1. We now preallocate a byte slice, instead of appending multiple times.
2. Marshaling into a byte slice is faster than using a bytes.Buffer.
3. quicvarint.Write allocates, while quicvarint.Append doesn't.
This commit is contained in:
Marten Seemann
2022-08-29 23:05:52 +03:00
committed by GitHub
parent 3f1adfd822
commit 7023b52e13
6 changed files with 74 additions and 78 deletions
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5
fuzzing/transportparameters/fuzz.go
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@@ -51,10 +51,9 @@ func fuzzTransportParametersForSessionTicket(data []byte) int {
if err := tp.UnmarshalFromSessionTicket(bytes.NewReader(data)); err != nil {
return 0
}
buf := &bytes.Buffer{}
tp.MarshalForSessionTicket(buf)
b := tp.MarshalForSessionTicket(nil)
tp2 := &wire.TransportParameters{}
if err := tp2.UnmarshalFromSessionTicket(bytes.NewReader(buf.Bytes())); err != nil {
if err := tp2.UnmarshalFromSessionTicket(bytes.NewReader(b)); err != nil {
panic(err)
}
return 1