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Author SHA1 Message Date
Dmitriy Vyukov
d770aadee5 runtime: faster chan creation on Linux/FreeBSD/Plan9 
The change removes chan finalizer (Lock destructor)
if it is not required on the platform.

benchmark                    old ns/op    new ns/op    delta
BenchmarkChanCreation          1132.00       381.00  -66.34%
BenchmarkChanCreation-2        1215.00       243.00  -80.00%
BenchmarkChanCreation-4        1084.00       186.00  -82.84%
BenchmarkChanCreation-8        1415.00       154.00  -89.12%
BenchmarkChanCreation-16       1386.00       144.00  -89.61%
(on 2 x Intel Xeon E5620, 8 HT cores, 2.4 GHz, Linux)

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/4841041
 2011-08-04 08:31:03 -04:00
Yasuhiro Matsumoto
62d4b8ebd2 http: correct path to serve index.html. 
calling filepath.FromSlash(x) make invalid character to serve file.
Fixes #2128

R=golang-dev, alex.brainman, rsc
CC=golang-dev
https://golang.org/cl/4810064
 2011-08-04 08:20:53 -04:00
David Symonds
4143491c4a http: add more MPEG-4 MIME types to sniffer, and disable MP4 sniffing. 
R=rsc
CC=golang-dev
https://golang.org/cl/4808056
 2011-08-04 22:10:17 +10:00
Rob Pike
583f72434f fmt: call UpdateMemStats in malloc counter 
R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4830059
 2011-08-04 16:32:14 +10:00
David Symonds
bb8e36b4a1 gob: avoid a couple of init-time allocations. 
R=r
CC=golang-dev
https://golang.org/cl/4806049
 2011-08-04 16:22:22 +10:00
Rob Pike
19e80b0818 gob: add UpdateMemStats calls to malloc counter 
R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4808071
 2011-08-04 15:56:25 +10:00
Rob Pike
ee9168d507 gob: don't invoke GobEncoder on zero values. 
R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4801076
 2011-08-04 14:39:44 +10:00
Mikio Hara
946cb0ece1 net: joined group addresses for a specific interface for darwin, freebsd, linux 
This CL enables to list the multicast, joined group addresses
for a specific interface by using Interface.MulticastAddrs
method.

R=rsc
CC=golang-dev
https://golang.org/cl/4808062
 2011-08-04 00:22:52 -04:00
Mikio Hara
dc7f82559d syscall: update routing message support for BSD variants 
R=rsc
CC=golang-dev
https://golang.org/cl/4826056
 2011-08-04 00:22:48 -04:00
Hector Chu
6500065543 runtime: remove unnecessary locking 
R=rsc, dvyukov
CC=golang-dev
https://golang.org/cl/4819051
 2011-08-04 00:22:39 -04:00
Rob Pike
6fe82e6b96 test/bench: note changes after recent improvements to locking and runtime 
Some tests are significantly faster (50%), a few are slower (up to 30%).
Fannkuch is confusing: parallel code is a little slower for gc, non-parallel and all gccgo runs are faster.

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4830058
 2011-08-04 11:29:20 +10:00
Dmitriy Vyukov
a496c9eaa6 runtime: correct Note documentation 
Reflect the fact that notesleep() can be called
by exactly one thread.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/4816064
 2011-08-03 15:51:55 -04:00
Yasuhiro Matsumoto
b32e210586 misc/vim: Godoc command. 
vim command 'Godoc' to see godoc.

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4815071
 2011-08-03 16:46:35 +10:00
Russ Cox
16cdba8572 errchk: add -0 flag 
R=lvd
CC=golang-dev
https://golang.org/cl/4837049
 2011-08-02 15:19:44 -04:00
David Symonds
11e254e62c ld: fail linking if the top-level package is not main. 
This makes {5,6,8}l conform to the spec more tightly.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/4826063
 2011-08-02 07:45:04 -04:00
Rob Pike
3dbe10c453 exp/template: return nil value from helpers on error, even methods. 
R=rsc
CC=golang-dev
https://golang.org/cl/4835046
 2011-08-01 20:02:52 -07:00
Andrew Gerrand
b0ef0294d2 go/build: use GOBIN as binary path for GOROOT 
Fixes #2106.

R=golang-dev, dsymonds, rsc
CC=golang-dev
https://golang.org/cl/4836047
 2011-08-01 19:17:23 -07:00
Andrew Gerrand
034711ed76 tag release.r59 
R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/4841044
 2011-08-01 14:20:02 -07:00
Roger Peppe
6ed27d4770 exp/template: make index function on maps return zero value when key not present. 
R=r
CC=golang-dev
https://golang.org/cl/4808065
 2011-08-01 09:03:35 -07:00
Roger Peppe
5c5ce6d24d exp/template: ensure that a valid Set is returned even on error. 
R=r
CC=golang-dev
https://golang.org/cl/4838044
 2011-08-01 09:02:06 -07:00
Dave Cheney
317911c9ff 5g: fix set but not used error 
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/4816061
 2011-07-31 19:54:47 -07:00
Alex Brainman
8800f7cb55 http: correct format flags when printing errors during tests 
R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4809065
 2011-08-01 11:50:50 +10:00
Lucio De Re
05f734c8b4 cmd/ld/pe.c: Corrected mismatched print formats and variables. 
R=golang-dev, alex.brainman
CC=golang-dev, rsc
https://golang.org/cl/4839041
 2011-08-01 11:12:50 +10:00
Nigel Tao
1d0c141d7d html: parse doctype tokens; merge adjacent text nodes. 
The test case input is "<!DOCTYPE html><span><button>foo</span>bar".
The correct parse is:
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <span>
|       <button>
|         "foobar"

R=gri
CC=golang-dev
https://golang.org/cl/4794063
 2011-08-01 10:26:46 +10:00
Andrew Gerrand
4d2766e994 doc: document release.r59 
R=golang-dev, dsymonds, r, r
CC=golang-dev
https://golang.org/cl/4835044
 2011-07-31 15:29:10 -07:00
Andrew Gerrand
70f6133b84 doc: fix typo in Effective Go 
Fixes #2120.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/4810061
 2011-07-31 15:25:26 -07:00
Alex Brainman
9d7e39340d syscall: delay load of dll functions until they are called 
Before this change, syscall package would load
all dlls used anywhere in the go tree on startup.
For example, this program:

package main

import "fmt"

func main() {
       fmt.Printf("Hello world\n")
}

would load these dlls

kernel32.dll
advapi32.dll
shell32.dll
wsock32.dll
ws2_32.dll
dnsapi.dll
iphlpapi.dll

Most of these dlls are network related and are not used
in this program. Now the same program loads only

kernel32.dll
shell32.dll

This decreases start times somewhat.

This also relaxes the rules of which dlls can be included
in the standard library. We could now include system calls
that are not available on all versions of Windows, because
we could decide if we should call them during runtime.

R=rsc, vcc.163
CC=golang-dev
https://golang.org/cl/4815046
 2011-07-31 20:07:04 +10:00
David Symonds
be96fa5a2e go_faq: drop a dramatic comma. 
R=r
CC=golang-dev
https://golang.org/cl/4809064
 2011-07-31 12:59:58 +10:00
Andrew Gerrand
ffccc026cb exp/norm: correct package doc comment 
Fixes #2118.

R=golang-dev, r, iant
CC=golang-dev
https://golang.org/cl/4815073
 2011-07-30 18:02:09 -07:00
Robert Griesemer
7162f39fc3 exp/template: fix endless loop 
No progress was made in indirect() if the reflect.Value
was an non-nil and non-empty interface.

R=r, r
CC=golang-dev
https://golang.org/cl/4810060
 2011-07-30 17:11:52 -07:00
Andrew Gerrand
bf184398f6 tag weekly.2011-07-29 
R=rsc
CC=golang-dev
https://golang.org/cl/4833047
 2011-07-29 15:21:24 -07:00
Andrew Gerrand
b583108436 weekly.2011-07-29 
R=rsc
CC=golang-dev
https://golang.org/cl/4801062
 2011-07-29 15:11:48 -07:00
Hector Chu
9bc58accce runtime: fix scheduling race 
Affects programs using cgo or runtime.LockOSThread.

Fixes #2100.

R=rsc, dvyukov
CC=golang-dev
https://golang.org/cl/4810059
 2011-07-29 17:39:02 -04:00
Kyle Lemons
31442a6737 xml: Header: fix close tag and newline 
R=rsc
CC=golang-dev
https://golang.org/cl/4830043
 2011-07-29 14:09:07 -04:00
Joel Sing
2d7ddfa64d libmach: stubs for openbsd 
Add libmach stubs for openbsd.

R=rsc
CC=golang-dev
https://golang.org/cl/4815065
 2011-07-29 13:48:00 -04:00
Russ Cox
124172e2cf godoc: allow form feed in text files 
Now recognizes misc/emacs/go-mode-load.el as text.

Fixes #2115.

R=gri
CC=golang-dev
https://golang.org/cl/4801061
 2011-07-29 13:47:54 -04:00
Joel Sing
ffa14e849c 6l: OpenBSD support 
Add linker support for OpenBSD ELF-64.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/4815066
 2011-07-29 13:47:41 -04:00
Dmitriy Vyukov
91f0f18100 runtime: fix data race in findfunc() 
The data race can lead to reads of partially
initialized concurrently mutated symbol data.
The change also adds a simple sanity test
for Caller() and FuncForPC().

R=rsc
CC=golang-dev
https://golang.org/cl/4817058
 2011-07-29 13:47:24 -04:00
Joel Sing
eb2b3f5dc7 syscall: move bsd pipe syscall 
Not all BSDs have the same pipe() syscall implementation - move the Darwin/FreeBSD specific implementation into their respective OS syscall files. This will be needed to add OpenBSD syscall support.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/4823057
 2011-07-29 13:47:20 -04:00
Andrew Gerrand
e0b6f4721f archive/zip: more efficient reader and bug fix 
Fixes #2090.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/4815068
 2011-07-29 10:47:00 -07:00
Russ Cox
60dac9b3db CONTRIBUTORS: add Joel Sing (Google CLA) 
R=golang-dev, r
CC=golang-dev, jsing
https://golang.org/cl/4830044
 2011-07-29 13:31:42 -04:00
Dmitriy Vyukov
4e5086b993 runtime: improve Linux mutex 
The implementation is hybrid active/passive spin/blocking mutex.
The design minimizes amount of context switches and futex calls.
The idea is that all critical sections in runtime are intentially
small, so pure blocking mutex behaves badly causing
a lot of context switches, thread parking/unparking and kernel calls.
Note that some synthetic benchmarks become somewhat slower,
that's due to increased contention on other data structures,
it should not affect programs that do any real work.

On 2 x Intel E5620, 8 HT cores, 2.4GHz
benchmark                     old ns/op    new ns/op    delta
BenchmarkSelectContended         521.00       503.00   -3.45%
BenchmarkSelectContended-2       661.00       320.00  -51.59%
BenchmarkSelectContended-4      1139.00       629.00  -44.78%
BenchmarkSelectContended-8      2870.00       878.00  -69.41%
BenchmarkSelectContended-16     5276.00       818.00  -84.50%
BenchmarkChanContended           112.00       103.00   -8.04%
BenchmarkChanContended-2         631.00       174.00  -72.42%
BenchmarkChanContended-4         682.00       272.00  -60.12%
BenchmarkChanContended-8        1601.00       520.00  -67.52%
BenchmarkChanContended-16       3100.00       372.00  -88.00%
BenchmarkChanSync                253.00       239.00   -5.53%
BenchmarkChanSync-2             5030.00      4648.00   -7.59%
BenchmarkChanSync-4             4826.00      4694.00   -2.74%
BenchmarkChanSync-8             4778.00      4713.00   -1.36%
BenchmarkChanSync-16            5289.00      4710.00  -10.95%
BenchmarkChanProdCons0           273.00       254.00   -6.96%
BenchmarkChanProdCons0-2         599.00       400.00  -33.22%
BenchmarkChanProdCons0-4        1168.00       659.00  -43.58%
BenchmarkChanProdCons0-8        2831.00      1057.00  -62.66%
BenchmarkChanProdCons0-16       4197.00      1037.00  -75.29%
BenchmarkChanProdCons10          150.00       140.00   -6.67%
BenchmarkChanProdCons10-2        607.00       268.00  -55.85%
BenchmarkChanProdCons10-4       1137.00       404.00  -64.47%
BenchmarkChanProdCons10-8       2115.00       828.00  -60.85%
BenchmarkChanProdCons10-16      4283.00       855.00  -80.04%
BenchmarkChanProdCons100         117.00       110.00   -5.98%
BenchmarkChanProdCons100-2       558.00       218.00  -60.93%
BenchmarkChanProdCons100-4       722.00       287.00  -60.25%
BenchmarkChanProdCons100-8      1840.00       431.00  -76.58%
BenchmarkChanProdCons100-16     3394.00       448.00  -86.80%
BenchmarkChanProdConsWork0      2014.00      1996.00   -0.89%
BenchmarkChanProdConsWork0-2    1207.00      1127.00   -6.63%
BenchmarkChanProdConsWork0-4    1913.00       611.00  -68.06%
BenchmarkChanProdConsWork0-8    3016.00       949.00  -68.53%
BenchmarkChanProdConsWork0-16   4320.00      1154.00  -73.29%
BenchmarkChanProdConsWork10     1906.00      1897.00   -0.47%
BenchmarkChanProdConsWork10-2   1123.00      1033.00   -8.01%
BenchmarkChanProdConsWork10-4   1076.00       571.00  -46.93%
BenchmarkChanProdConsWork10-8   2748.00      1096.00  -60.12%
BenchmarkChanProdConsWork10-16  4600.00      1105.00  -75.98%
BenchmarkChanProdConsWork100    1884.00      1852.00   -1.70%
BenchmarkChanProdConsWork100-2  1235.00      1146.00   -7.21%
BenchmarkChanProdConsWork100-4  1217.00       619.00  -49.14%
BenchmarkChanProdConsWork100-8  1534.00       509.00  -66.82%
BenchmarkChanProdConsWork100-16 4126.00       918.00  -77.75%
BenchmarkSyscall                  34.40        33.30   -3.20%
BenchmarkSyscall-2               160.00       121.00  -24.38%
BenchmarkSyscall-4               131.00       136.00   +3.82%
BenchmarkSyscall-8               139.00       131.00   -5.76%
BenchmarkSyscall-16              161.00       168.00   +4.35%
BenchmarkSyscallWork             950.00       950.00   +0.00%
BenchmarkSyscallWork-2           481.00       480.00   -0.21%
BenchmarkSyscallWork-4           268.00       270.00   +0.75%
BenchmarkSyscallWork-8           156.00       169.00   +8.33%
BenchmarkSyscallWork-16          188.00       184.00   -2.13%
BenchmarkSemaSyntNonblock         36.40        35.60   -2.20%
BenchmarkSemaSyntNonblock-2       81.40        45.10  -44.59%
BenchmarkSemaSyntNonblock-4      126.00       108.00  -14.29%
BenchmarkSemaSyntNonblock-8      112.00       112.00   +0.00%
BenchmarkSemaSyntNonblock-16     110.00       112.00   +1.82%
BenchmarkSemaSyntBlock            35.30        35.30   +0.00%
BenchmarkSemaSyntBlock-2         118.00       124.00   +5.08%
BenchmarkSemaSyntBlock-4         105.00       108.00   +2.86%
BenchmarkSemaSyntBlock-8         101.00       111.00   +9.90%
BenchmarkSemaSyntBlock-16        112.00       118.00   +5.36%
BenchmarkSemaWorkNonblock        810.00       811.00   +0.12%
BenchmarkSemaWorkNonblock-2      476.00       414.00  -13.03%
BenchmarkSemaWorkNonblock-4      238.00       228.00   -4.20%
BenchmarkSemaWorkNonblock-8      140.00       126.00  -10.00%
BenchmarkSemaWorkNonblock-16     117.00       116.00   -0.85%
BenchmarkSemaWorkBlock           810.00       811.00   +0.12%
BenchmarkSemaWorkBlock-2         454.00       466.00   +2.64%
BenchmarkSemaWorkBlock-4         243.00       241.00   -0.82%
BenchmarkSemaWorkBlock-8         145.00       137.00   -5.52%
BenchmarkSemaWorkBlock-16        132.00       123.00   -6.82%
BenchmarkContendedSemaphore      123.00       102.00  -17.07%
BenchmarkContendedSemaphore-2     34.80        34.90   +0.29%
BenchmarkContendedSemaphore-4     34.70        34.80   +0.29%
BenchmarkContendedSemaphore-8     34.70        34.70   +0.00%
BenchmarkContendedSemaphore-16    34.80        34.70   -0.29%
BenchmarkMutex                    26.80        26.00   -2.99%
BenchmarkMutex-2                 108.00        45.20  -58.15%
BenchmarkMutex-4                 103.00       127.00  +23.30%
BenchmarkMutex-8                 109.00       147.00  +34.86%
BenchmarkMutex-16                102.00       152.00  +49.02%
BenchmarkMutexSlack               27.00        26.90   -0.37%
BenchmarkMutexSlack-2            149.00       165.00  +10.74%
BenchmarkMutexSlack-4            121.00       209.00  +72.73%
BenchmarkMutexSlack-8            101.00       158.00  +56.44%
BenchmarkMutexSlack-16            97.00       129.00  +32.99%
BenchmarkMutexWork               792.00       794.00   +0.25%
BenchmarkMutexWork-2             407.00       409.00   +0.49%
BenchmarkMutexWork-4             220.00       209.00   -5.00%
BenchmarkMutexWork-8             267.00       160.00  -40.07%
BenchmarkMutexWork-16            315.00       300.00   -4.76%
BenchmarkMutexWorkSlack          792.00       793.00   +0.13%
BenchmarkMutexWorkSlack-2        406.00       404.00   -0.49%
BenchmarkMutexWorkSlack-4        225.00       212.00   -5.78%
BenchmarkMutexWorkSlack-8        268.00       136.00  -49.25%
BenchmarkMutexWorkSlack-16       300.00       300.00   +0.00%
BenchmarkRWMutexWrite100          27.10        27.00   -0.37%
BenchmarkRWMutexWrite100-2        33.10        40.80  +23.26%
BenchmarkRWMutexWrite100-4       113.00        88.10  -22.04%
BenchmarkRWMutexWrite100-8       119.00        95.30  -19.92%
BenchmarkRWMutexWrite100-16      148.00       109.00  -26.35%
BenchmarkRWMutexWrite10           29.60        29.40   -0.68%
BenchmarkRWMutexWrite10-2        111.00        61.40  -44.68%
BenchmarkRWMutexWrite10-4        270.00       208.00  -22.96%
BenchmarkRWMutexWrite10-8        204.00       185.00   -9.31%
BenchmarkRWMutexWrite10-16       261.00       190.00  -27.20%
BenchmarkRWMutexWorkWrite100    1040.00      1036.00   -0.38%
BenchmarkRWMutexWorkWrite100-2   593.00       580.00   -2.19%
BenchmarkRWMutexWorkWrite100-4   470.00       365.00  -22.34%
BenchmarkRWMutexWorkWrite100-8   468.00       289.00  -38.25%
BenchmarkRWMutexWorkWrite100-16  604.00       374.00  -38.08%
BenchmarkRWMutexWorkWrite10      951.00       951.00   +0.00%
BenchmarkRWMutexWorkWrite10-2   1001.00       928.00   -7.29%
BenchmarkRWMutexWorkWrite10-4   1555.00      1006.00  -35.31%
BenchmarkRWMutexWorkWrite10-8   2085.00      1171.00  -43.84%
BenchmarkRWMutexWorkWrite10-16  2082.00      1614.00  -22.48%

R=rsc, iant, msolo, fw, iant
CC=golang-dev
https://golang.org/cl/4711045
 2011-07-29 12:44:06 -04:00
Russ Cox
bed7e3ed78 gc: fix pprof deadlock 
Fixes #2051.

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4834041
 2011-07-28 21:03:40 -04:00
Russ Cox
032ffb2e90 gc: more graceful errors during struct definition 
Fixes #2110.

R=ken2
CC=golang-dev
https://golang.org/cl/4823060
 2011-07-28 20:41:18 -04:00
Rob Pike
33a4da89d3 exp/template: fix build 
TBR=gri

R=gri
CC=golang-dev
https://golang.org/cl/4815070
 2011-07-28 16:46:32 -07:00
Russ Cox
71ba47ac9e build: fix noclobber 
I got it backwards last time, and somehow
that was leaking into the parent shell?

R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/4826054
 2011-07-28 19:38:14 -04:00
Rob Pike
1b4dff0f69 exp/template: simplify the helper functions 
- create a pair of "Must" functions, one for templates, one for sets
- regularize the return values of the parsers so they can be wrapped by Must
- delete all the old Must functions and methods.

R=golang-dev, gri, r
CC=golang-dev
https://golang.org/cl/4826052
 2011-07-28 16:19:16 -07:00
Russ Cox
28a23675cd 5g, 6g, 8g: shift, opt fixes 
Fixes #1808.

R=ken2
CC=golang-dev
https://golang.org/cl/4813052
 2011-07-28 18:22:12 -04:00
Russ Cox
8c23c1ab87 5g: defer vs optimizer bug 
Fixes #1924.

R=ken2
CC=golang-dev
https://golang.org/cl/4802063
 2011-07-28 16:28:23 -04:00
Andrew Balholm
3de6228aea http: make serveFile redirects relative to work with StripPrefix 
serveFile was using absolute redirects, which didn't work under StripPrefix.
Now it uses relative redirects.

R=golang-dev, rsc, bradfitz
CC=golang-dev, kevlar
https://golang.org/cl/4789042
 2011-07-28 11:43:16 -07:00