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Keith Randall 6717d27be2 [release-branch.go1.14] runtime: special case interface hashing for pointers
Interfaces often contain pointers. Implement a fast path for this case.

name                   old time/op  new time/op  delta
MapInterfaceString-16  21.4ns ±19%  20.5ns ±10%     ~     (p=0.361 n=10+10)
MapInterfacePtr-16     25.8ns ± 8%  17.3ns ± 7%  -33.11%  (p=0.000 n=10+9)

We need this CL as well to fix 37721.
Update #37721
Fixes #37613

Change-Id: Ice52820e6259a3edeafcbbbeb25b1e363bef00d0
Reviewed-on: https://go-review.googlesource.com/c/go/+/219338
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
(cherry picked from commit afd691c579)
Reviewed-on: https://go-review.googlesource.com/c/go/+/222779
Run-TryBot: Alexander Rakoczy <alex@golang.org>
2020-03-10 20:05:44 +00:00
.github .github: add link to questions in ISSUE_TEMPLATE 2020-01-06 17:05:31 +00:00
api go/types: unexport Checker.LookupFieldOrMethod 2020-01-31 14:46:05 +00:00
doc [release-branch.go1.14] doc/go1.14: document that unparsable URL in net/url.Error is now quoted 2020-03-06 18:42:56 +00:00
lib/time lib/time: update tz data to 2019c 2019-11-26 12:03:08 +00:00
misc [release-branch.go1.14] cmd/trace: update to use WebComponents V0 polyfill 2020-03-02 22:35:40 +00:00
src [release-branch.go1.14] runtime: special case interface hashing for pointers 2020-03-10 20:05:44 +00:00
test cmd/compile,cmd/link: fix and re-enable open-coded defers on riscv64 2020-01-29 16:34:44 +00:00
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.gitignore .gitignore: ignore src/cmd/dist/dist 2017-10-28 21:55:49 +00:00
AUTHORS A+C: change email address for Akhil Indurti 2019-09-09 15:30:38 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS [release-branch.go1.14] CONTRIBUTORS: second round of updates for Go 1.14 2020-02-21 21:25:53 +00:00
favicon.ico website: recreate 16px and 32px favicon 2016-08-25 15:43:32 +00:00
LICENSE doc: revert copyright date to 2009 2016-06-01 22:40:04 +00:00
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README.md README: linkify some paths 2018-06-06 18:07:01 +00:00
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SECURITY.md SECURITY.md: update go versions 2019-09-26 15:34:57 +00:00
VERSION [release-branch.go1.14] go1.14 2020-02-25 17:40:40 +00:00

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