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6 Commits

Author SHA1 Message Date
Russ Cox
68b4255a96 runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost 
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries.  The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.

The symbols left alone are:

	** known to cgo **
	_cgo_free
	_cgo_malloc
	libcgo_thread_start
	initcgo
	ncgocall

	** known to linker **
	_rt0_$GOARCH
	_rt0_$GOARCH_$GOOS
	text
	etext
	data
	end
	pclntab
	epclntab
	symtab
	esymtab

	** known to C compiler **
	_divv
	_modv
	_div64by32
	etc (arch specific)

Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.

Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.

R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
 2010-11-04 14:00:19 -04:00
Russ Cox
8ddd6c4181 runtime: clock garbage collection on bytes allocated, not pages in use 
This keeps fragmentation from delaying
garbage collections (and causing more fragmentation).

Cuts fresh godoc (with indexes) from 261M to 166M (120M live).
Cuts toy wc program from 50M to 8M.

Fixes #647.

R=r, cw
CC=golang-dev
https://golang.org/cl/257041
 2010-03-08 14:15:44 -08:00
Russ Cox
fb94be55dc runtime: tighten garbage collector 
* specialize sweepspan as sweepspan0 and sweepspan1.
 * in sweepspan1, inline "free" to avoid expensive mlookup.

R=iant
CC=golang-dev
https://golang.org/cl/206060
 2010-02-10 14:59:39 -08:00
Russ Cox
f25586a306 runtime: garbage collection + malloc performance 
* add bit tracking finalizer status, avoiding getfinalizer lookup
  * add ability to allocate uncleared memory

R=iant
CC=golang-dev
https://golang.org/cl/207044
 2010-02-10 00:00:12 -08:00
Russ Cox
0d3301a557 runtime: don't touch pages of memory unnecessarily. 
cuts working size for hello world from 6 MB to 1.2 MB.
still some work to be done, but diminishing returns.

R=r
https://golang.org/cl/165080
 2009-12-07 15:52:14 -08:00
Rob Pike
d90e7cbac6 mv src/lib to src/pkg 
tests: all.bash passes, gobuild still works, godoc still works.

R=rsc
OCL=30096
CL=30102
 2009-06-09 09:53:44 -07:00