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ee175afac2
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Austin Clements ee175afac2 runtime: consolidate all trigger-derived computations 
Currently, the computations that derive controls from the GC trigger
are spread across several parts of the mark termination code.
Consolidate computing the absolute trigger, the heap goal, and sweep
pacing into a single function called at the end of mark termination.

Unlike the code being consolidated, this has to be more careful about
negative gcpercent. Many of the consolidated code paths simply didn't
execute if GC was off.

This is a step toward being able to change the GC trigger ratio in the
middle of concurrent sweeping and marking. For this commit, we try to
stick close to the original structure of the code that's being
consolidated, so it doesn't yet support mid-cycle adjustments.

For #19076.

Change-Id: Ic5335be04b96ad20e70d53d67913a86bd6b31456
Reviewed-on: https://go-review.googlesource.com/39831
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rick Hudson <rlh@golang.org>
2017-04-21 17:41:55 +00:00
.github doc: improve issue template and contribution guidelines 2017-02-11 20:42:06 +00:00
api math/big: define Word as uint instead of uintptr 2017-02-21 19:31:40 +00:00
doc doc: add Go Time podcast to the help page 2017-04-21 00:42:07 +00:00
lib/time *.bash: always use the same string equality operator 2017-03-14 21:46:31 +00:00
misc cmd/cgo: reject references to builtin functions other than calls 2017-04-18 22:14:43 +00:00
src runtime: consolidate all trigger-derived computations 2017-04-21 17:41:55 +00:00
test cmd/compile: zero ambiguously live variables at VARKILLs 2017-04-20 23:47:43 +00:00
.gitattributes
.gitignore .gitignore: change path to zbootstrap.go 2017-04-19 02:13:58 +00:00
AUTHORS A+C: automated update 2016-12-21 03:22:22 +00:00
CONTRIBUTING.md doc: improve issue template and contribution guidelines 2017-02-11 20:42:06 +00:00
CONTRIBUTORS A+C: automated update 2016-12-21 03:22:22 +00:00
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README.md readme: add attribution for the Gopher image 2017-02-03 19:39:41 +00:00
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README.md

The Go Programming Language

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.

Gopher image Gopher image by Renee French, licensed under Creative Commons 3.0 Attributions license.

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