Ilya Tocar 5cf281a9b7 runtime: optimize duffcopy on amd64 ... Use movups to copy 16 bytes at a time. Results (haswell): name old time/op new time/op delta CopyFat8-48 0.62ns ± 3% 0.63ns ± 3% ~ (p=0.535 n=20+20) CopyFat12-48 0.92ns ± 2% 0.93ns ± 3% ~ (p=0.594 n=17+18) CopyFat16-48 1.23ns ± 2% 1.23ns ± 2% ~ (p=0.839 n=20+19) CopyFat24-48 1.85ns ± 2% 1.84ns ± 0% -0.48% (p=0.014 n=19+20) CopyFat32-48 2.45ns ± 0% 2.45ns ± 1% ~ (p=1.000 n=16+16) CopyFat64-48 3.30ns ± 2% 2.14ns ± 1% -35.00% (p=0.000 n=20+18) CopyFat128-48 6.05ns ± 0% 3.98ns ± 0% -34.22% (p=0.000 n=18+17) CopyFat256-48 11.9ns ± 3% 7.7ns ± 0% -35.87% (p=0.000 n=20+17) CopyFat512-48 23.0ns ± 2% 15.1ns ± 2% -34.52% (p=0.000 n=20+18) CopyFat1024-48 44.8ns ± 1% 29.8ns ± 2% -33.48% (p=0.000 n=17+19) Change-Id: I8a78773c656d400726a020894461e00c59f896bf Reviewed-on: https://go-review.googlesource.com/14836 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Keith Randall <khr@golang.org>		2015-09-22 15:02:37 +00:00
..
archive	archive/zip: fixes unexpected EOF when reading archive	2015-09-11 00:32:59 +00:00
bufio	bufio: fix overflow calculation in Scan	2015-09-20 04:46:08 +00:00
builtin	builtin: remove errant space in hyphenated adjective phrase	2015-06-28 21:41:38 +00:00
bytes	bytes: improve Compare function on amd64 for large byte arrays	2015-08-26 03:52:20 +00:00
cmd	runtime: optimize duffcopy on amd64	2015-09-22 15:02:37 +00:00
compress	compress/lzw: tidy up some flush calls.	2015-09-09 01:45:00 +00:00
container
crypto	crypto/x509: return err if marshalPublicKey fails to marshal an rsa public key	2015-09-18 21:48:10 +00:00
database/sql	database/sql: fix typo	2015-09-14 00:20:55 +00:00
debug	debug/dwarf: add test for split DWARF	2015-09-15 17:57:56 +00:00
encoding	encoding/json: scanner: use byte, more consistent	2015-09-21 01:55:52 +00:00
errors
expvar
flag	flag: add comment stating that Set is called in sequence across the command line	2015-07-16 05:33:47 +00:00
fmt	fmt: allow any type in a format's width argument	2015-09-10 20:53:22 +00:00
go	go/printer: avoid stomping on err before checking it	2015-09-21 19:29:26 +00:00
hash	hash/crc32: add AMD64 optimized IEEE CRC calculation	2015-09-16 15:42:42 +00:00
html	text/template: export isTrue	2015-09-17 23:08:33 +00:00
image	image/png: integer underflow when decoding	2015-09-21 23:09:22 +00:00
index/suffixarray
internal	runtime,internal/trace: map/slice literals janitoring	2015-09-11 14:03:43 +00:00
io	io: add WriteString support to MultiWriter	2015-09-01 04:00:12 +00:00
log
math	math/big: add test cases for min/max exponent values	2015-09-22 07:59:02 +00:00
mime	mime: fix docs for WordDecoder.Decode	2015-09-10 21:50:17 +00:00
net	net: check 'ok' return in dnsmsg when initially packing rr.Header()	2015-09-20 02:55:16 +00:00
os	os: touch up the EINTR retry loop in OpenFile	2015-09-17 14:49:30 +00:00
path	all: fix some vet-caught formatting errors, mostly but not only in tests	2015-08-21 05:37:36 +00:00
reflect	runtime: on map update, don't overwrite key if we don't need to.	2015-09-09 21:06:49 +00:00
regexp
runtime	runtime: optimize duffcopy on amd64	2015-09-22 15:02:37 +00:00
sort	sort: Fix typo in Stable() comment	2015-08-17 06:58:16 +00:00
strconv	strconv: fix comment	2015-09-10 21:31:07 +00:00
strings	all: link to https for golang subdomains too	2015-07-12 04:42:40 +00:00
sync	runtime, sync/atomic: add memory barriers in arm cas routines	2015-07-30 20:11:11 +00:00
syscall	syscall: implement getwd on Solaris	2015-09-09 19:58:33 +00:00
testing	testing/quick: terminate for arbitrary recursive types	2015-08-29 19:23:37 +00:00
text	text/template: export isTrue	2015-09-17 23:08:33 +00:00
time	time: allow any one- or two-digit day of the month when parsing.	2015-09-10 20:27:53 +00:00
unicode	unicode: include rune 0 in RangeTables.	2015-08-24 15:05:48 +00:00
unsafe
all.bash
all.bat
all.rc
androidtest.bash	androidtest.bash: robust cleanup in case of failure.	2015-07-17 21:12:12 +00:00
bootstrap.bash	build: Fix bootstrap.bash for official source tarballs	2015-09-01 19:52:59 +00:00
buildall.bash
clean.bash	build: clean current tree in clean.bash	2015-08-05 19:36:15 +00:00
clean.bat
clean.rc
iostest.bash
make.bash	make.bash: abort if $GOROOT_BOOTSTRAP == $GOROOT	2015-08-24 03:04:52 +00:00
make.bat
Make.dist
make.rc
nacltest.bash
race.bash	all: link to https instead of http	2015-07-11 14:36:33 +00:00
race.bat	all: link to https instead of http	2015-07-11 14:36:33 +00:00
run.bash
run.bat
run.rc