tree 38848957d3d9da94f0f3b2353bfd2f88aabb77c5
parent 183a9ca12b87817e0ced91cdd139606cbb193ef2
author renthraysk <renthraysk@gmail.com> 1653001011 +0000
committer Damien Neil <dneil@google.com> 1653005378 +0000

http2: optimization of AppendHuffmanString

This uses a uint64 bit buffer so can append 4 bytes at a time, instead
of using append every byte.

GOAMD64=v1
name                   old time/op    new time/op    delta
AppendHuffmanString-4     316ns ± 3%     169ns ± 1%  -46.60%  (p=0.000 n=10+8)

GOAMD64=v3
name                   old time/op    new time/op    delta
AppendHuffmanString-4     263ns ± 4%     114ns ± 1%  -56.68%  (p=0.000 n=10+8)

Change-Id: Ib48a0e0711589dd1b311c377f61e30d7c18c2953
GitHub-Last-Rev: 0a3eb27feefe920ffd511f0c4f93dfad1cbe69ce
GitHub-Pull-Request: golang/net#131
Reviewed-on: https://go-review.googlesource.com/c/net/+/403434
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>