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1d214f7062
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Mikio Hara 1d214f7062 net: cache IPv6 zone information for applications using IPv6 link-local address 
This change reduces the overhead of calling routing information per IPv6
link-local datagram read by caching IPv6 addressing scope zone
information.

Fixes #15237.

name                    old time/op    new time/op    delta
UDP6LinkLocalUnicast-8    64.9µs ± 0%    18.6µs ± 0%  -71.30%

name                    old alloc/op   new alloc/op   delta
UDP6LinkLocalUnicast-8    11.2kB ± 0%     0.2kB ± 0%  -98.42%

name                    old allocs/op  new allocs/op  delta
UDP6LinkLocalUnicast-8       101 ± 0%         3 ± 0%  -97.03%

Change-Id: I5ae2ef5058df1028bbb7f4ab32b13edfb330c3a7
Reviewed-on: https://go-review.googlesource.com/21952
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2016-04-15 01:45:27 +00:00
.github doc: update issue template 2016-03-09 00:52:16 +00:00
api api: update next.txt 2016-03-21 07:46:44 +00:00
doc doc: add classes to version tags in source install instructions 2016-04-14 23:36:29 +00:00
lib/time misc: update timezone database to IANA 2016a 2016-02-03 03:14:59 +00:00
misc misc/trace: update trace viewer html 2016-04-14 14:48:04 +00:00
src net: cache IPv6 zone information for applications using IPv6 link-local address 2016-04-15 01:45:27 +00:00
test cmd/compile: fix register size for ODOTPTR result 2016-04-14 21:19:12 +00:00
.gitattributes .gitattributes: prevent all magic line ending changes 2014-12-12 23:14:54 +00:00
.gitignore .gitignore: ignore src/go/build/zcgo.go 2016-02-24 04:25:46 +00:00
AUTHORS A+C: manual updates 2016-01-08 06:02:39 +00:00
CONTRIBUTING.md doc: use new Gerrit URL and mention our instance in CONTRIBUTING.md 2016-03-09 00:52:42 +00:00
CONTRIBUTORS C: fix jbd's identity 2016-04-07 18:25:13 +00:00
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README.md readme: emphasize issue tracker is for bugs/proposals 2015-10-02 18:44:14 +00:00
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README.md

The Go Programming Language

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