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Commit Graph

12851 Commits

Author SHA1 Message Date
Dmitriy Vyukov
f09e63a2a0 runtime: add memory prefetching to GC
benchmark                              old ns/op    new ns/op    delta

garbage.BenchmarkParser               4448988000   4370531000   -1.76%
garbage.BenchmarkParser-2             4086045000   4023083000   -1.54%
garbage.BenchmarkParser-4             3677365000   3667020000   -0.28%
garbage.BenchmarkParser-8             3517253000   3543946000   +0.76%
garbage.BenchmarkParser-16            3506562000   3512518000   +0.17%

garbage.BenchmarkTree                  494435529    505784058   +2.30%
garbage.BenchmarkTree-2                499652705    502774823   +0.62%
garbage.BenchmarkTree-4                468482117    465713352   -0.59%
garbage.BenchmarkTree-8                488533235    482287000   -1.28%
garbage.BenchmarkTree-16               507835176    500654882   -1.41%

garbage.BenchmarkTree2                  31453900     28804600   -8.42%
garbage.BenchmarkTree2-2                21440600     19065800  -11.08%
garbage.BenchmarkTree2-4                10982000     10009100   -8.86%
garbage.BenchmarkTree2-8                 7544700      6479800  -14.11%
garbage.BenchmarkTree2-16                7049500      6163200  -12.57%

garbage.BenchmarkParserPause           135815000    125360666   -7.70%
garbage.BenchmarkParserPause-2          92691523     84365476   -8.98%
garbage.BenchmarkParserPause-4          53392190     46995809  -11.98%
garbage.BenchmarkParserPause-8          36059523     30998900  -14.03%
garbage.BenchmarkParserPause-16         30174300     27613350   -8.49%

garbage.BenchmarkTreePause              20969784     22568102   +7.62%
garbage.BenchmarkTreePause-2            20215875     20975130   +3.76%
garbage.BenchmarkTreePause-4            17240709     17180666   -0.35%
garbage.BenchmarkTreePause-8            18196386     18205870   +0.05%
garbage.BenchmarkTreePause-16           20621158     20486867   -0.65%

garbage.BenchmarkTree2Pause            173992142    159995285   -8.04%
garbage.BenchmarkTree2Pause-2          131281904    118013714  -10.11%
garbage.BenchmarkTree2Pause-4           93484952     85092666   -8.98%
garbage.BenchmarkTree2Pause-8           88950523     77340809  -13.05%
garbage.BenchmarkTree2Pause-16          86071238     76557952  -11.05%

garbage.BenchmarkParserLastPause       327247000    288205000  -11.93%
garbage.BenchmarkParserLastPause-2     217039000    187336000  -13.69%
garbage.BenchmarkParserLastPause-4     119722000    105069000  -12.24%
garbage.BenchmarkParserLastPause-8      70806000     64755000   -8.55%
garbage.BenchmarkParserLastPause-16     62813000     53486000  -14.85%

garbage.BenchmarkTreeLastPause          28420000     29735000   +4.63%
garbage.BenchmarkTreeLastPause-2        23514000     25427000   +8.14%
garbage.BenchmarkTreeLastPause-4        21773000     19548000  -10.22%
garbage.BenchmarkTreeLastPause-8        24072000     24046000   -0.11%
garbage.BenchmarkTreeLastPause-16       25149000     25291000   +0.56%

garbage.BenchmarkTree2LastPause        314491000    287988000   -8.43%
garbage.BenchmarkTree2LastPause-2      214363000    190616000  -11.08%
garbage.BenchmarkTree2LastPause-4      109778000    100052000   -8.86%
garbage.BenchmarkTree2LastPause-8       75390000     64753000  -14.11%
garbage.BenchmarkTree2LastPause-16      70333000     61484000  -12.58%

FTR, below are result with the empty prefetch function,
that is, single RET but no real prefetching.
It suggests that inlinable PREFETCH is worth pursuing.

benchmark                              old ns/op    new ns/op    delta

garbage.BenchmarkParser               4448988000   4560488000   +2.51%
garbage.BenchmarkParser-2             4086045000   4129728000   +1.07%
garbage.BenchmarkParser-4             3677365000   3728672000   +1.40%
garbage.BenchmarkParser-8             3517253000   3583968000   +1.90%
garbage.BenchmarkParser-16            3506562000   3591414000   +2.42%

garbage.BenchmarkTree                  494435529    499580882   +1.04%
garbage.BenchmarkTree-4                468482117    467387294   -0.23%
garbage.BenchmarkTree-8                488533235    478311117   -2.09%
garbage.BenchmarkTree-2                499652705    499324235   -0.07%
garbage.BenchmarkTree-16               507835176    502005705   -1.15%

garbage.BenchmarkTree2                  31453900     33296800   +5.86%
garbage.BenchmarkTree2-2                21440600     22466400   +4.78%
garbage.BenchmarkTree2-4                10982000     11402700   +3.83%
garbage.BenchmarkTree2-8                 7544700      7476500   -0.90%
garbage.BenchmarkTree2-16                7049500      7338200   +4.10%

garbage.BenchmarkParserPause           135815000    139529142   +2.73%
garbage.BenchmarkParserPause-2          92691523     95229190   +2.74%
garbage.BenchmarkParserPause-4          53392190     53083476   -0.58%
garbage.BenchmarkParserPause-8          36059523     34594800   -4.06%
garbage.BenchmarkParserPause-16         30174300     30063300   -0.37%

garbage.BenchmarkTreePause              20969784     21866920   +4.28%
garbage.BenchmarkTreePause-2            20215875     20731125   +2.55%
garbage.BenchmarkTreePause-4            17240709     17275837   +0.20%
garbage.BenchmarkTreePause-8            18196386     17898777   -1.64%
garbage.BenchmarkTreePause-16           20621158     20662772   +0.20%

garbage.BenchmarkTree2Pause            173992142    184336857   +5.95%
garbage.BenchmarkTree2Pause-2          131281904    138005714   +5.12%
garbage.BenchmarkTree2Pause-4           93484952     98449238   +5.31%
garbage.BenchmarkTree2Pause-8           88950523     89286095   +0.38%
garbage.BenchmarkTree2Pause-16          86071238     89568666   +4.06%

garbage.BenchmarkParserLastPause       327247000    342189000   +4.57%
garbage.BenchmarkParserLastPause-2     217039000    217224000   +0.09%
garbage.BenchmarkParserLastPause-4     119722000    121327000   +1.34%
garbage.BenchmarkParserLastPause-8      70806000     71941000   +1.60%
garbage.BenchmarkParserLastPause-16     62813000     60166000   -4.21%

garbage.BenchmarkTreeLastPause          28420000     27840000   -2.04%
garbage.BenchmarkTreeLastPause-2        23514000     27390000  +16.48%
garbage.BenchmarkTreeLastPause-4        21773000     21414000   -1.65%
garbage.BenchmarkTreeLastPause-8        24072000     21705000   -9.83%
garbage.BenchmarkTreeLastPause-16       25149000     23932000   -4.84%

garbage.BenchmarkTree2LastPause        314491000    332894000   +5.85%
garbage.BenchmarkTree2LastPause-2      214363000    224611000   +4.78%
garbage.BenchmarkTree2LastPause-4      109778000    113976000   +3.82%
garbage.BenchmarkTree2LastPause-8       75390000     67223000  -10.83%
garbage.BenchmarkTree2LastPause-16      70333000     73216000   +4.10%

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5991057
2012-04-07 17:02:44 +04:00
Bobby Powers
c9529e02c1 time: in Format give buffer an initial capacity
I have a small web server that simply sets several cookies
along with an expires header, and then returns.  In the
cpuprofile for a 200k request benchmark, time.Time.Format()
was showing up as 8.3% of cpu usage.  Giving the buffer an
inital capacity to avoid reallocs on append drops it down to
7.6%.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5992058
2012-04-07 10:51:32 +10:00
Charles L. Dorian
f27348776f math: make function documentation more regular
R=rsc, golang-dev
CC=golang-dev
https://golang.org/cl/5994043
2012-04-06 14:01:12 -04:00
Benny Siegert
559c191b89 syscall: manually fix z* for NetBSD/amd64
Building go currently fails on NetBSD, thus the regeneration
scripts do not run correctly. With these changes, at least
the go_bootstrap tool builds correctly.

R=golang-dev, r, bradfitz
CC=golang-dev
https://golang.org/cl/5695064
2012-04-06 07:57:05 -07:00
Shenghou Ma
cf1f044251 crypto/aes: add benchmarks for decryption and key expansion
R=agl, rsc, fullung
CC=golang-dev
https://golang.org/cl/5972056
2012-04-06 04:19:35 +08:00
Stéphane Travostino
56024fa64e net/url: Correctly escape URL as per RFC 3986
The shouldEscape function did not correctly escape the reserved characters listed in RFC 3986 §2.2, breaking some strict web servers.
Fixes #3433.

R=rsc
CC=golang-dev
https://golang.org/cl/5970050
2012-04-05 13:23:08 -04:00
Russ Cox
81f534b216 A+C: Stéphane Travostino (individual CLA)
R=golang-dev
CC=golang-dev
https://golang.org/cl/5991048
2012-04-05 13:13:34 -04:00
Dmitriy Vyukov
9903d6870f runtime: minor refactoring in preparation for parallel GC
factor sweepspan() out of sweep(), no logical changes

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5991047
2012-04-05 21:02:20 +04:00
Dmitriy Vyukov
d839a809b2 runtime: make GC stats per-M
This is factored out part of:
https://golang.org/cl/5279048/
(Parallel GC)

benchmark                             old ns/op    new ns/op    delta
garbage.BenchmarkParser              3999106750   3975026500   -0.60%
garbage.BenchmarkParser-2            3720553750   3719196500   -0.04%
garbage.BenchmarkParser-4            3502857000   3474980500   -0.80%
garbage.BenchmarkParser-8            3375448000   3341310500   -1.01%
garbage.BenchmarkParserLastPause      329401000    324097000   -1.61%
garbage.BenchmarkParserLastPause-2    208953000    214222000   +2.52%
garbage.BenchmarkParserLastPause-4    110933000    111656000   +0.65%
garbage.BenchmarkParserLastPause-8     71969000     78230000   +8.70%
garbage.BenchmarkParserPause          230808842    197237400  -14.55%
garbage.BenchmarkParserPause-2        123674365    125197595   +1.23%
garbage.BenchmarkParserPause-4         80518525     85710333   +6.45%
garbage.BenchmarkParserPause-8         58310243     56940512   -2.35%
garbage.BenchmarkTree2                 31471700     31289400   -0.58%
garbage.BenchmarkTree2-2               21536800     21086300   -2.09%
garbage.BenchmarkTree2-4               11074700     10880000   -1.76%
garbage.BenchmarkTree2-8                7568600      7351400   -2.87%
garbage.BenchmarkTree2LastPause       314664000    312840000   -0.58%
garbage.BenchmarkTree2LastPause-2     215319000    210815000   -2.09%
garbage.BenchmarkTree2LastPause-4     110698000    108751000   -1.76%
garbage.BenchmarkTree2LastPause-8      75635000     73463000   -2.87%
garbage.BenchmarkTree2Pause           174280857    173147571   -0.65%
garbage.BenchmarkTree2Pause-2         131332714    129665761   -1.27%
garbage.BenchmarkTree2Pause-4          93803095     93422904   -0.41%
garbage.BenchmarkTree2Pause-8          86242333     85146761   -1.27%

R=rsc
CC=golang-dev
https://golang.org/cl/5987045
2012-04-05 20:48:28 +04:00
Dmitriy Vyukov
77e1227a02 test/bench/garbage: fix parser benchmark
+add standard bench output to tree2
+print GOMAXPROCS as go test does

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5992044
2012-04-05 20:35:54 +04:00
Dmitriy Vyukov
fd04f05f2f runtime: replace XOR AX, AX with MOV $0, AX
R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5985048
2012-04-05 18:59:50 +04:00
Dmitriy Vyukov
4667571619 runtime: add 64-bit atomics
This is factored out part of:
https://golang.org/cl/5279048/
(Parallel GC)

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5985047
2012-04-05 18:47:43 +04:00
Dmitriy Vyukov
a28a10e1a2 runtime: remove redundant code
R=rsc
CC=golang-dev
https://golang.org/cl/5987046
2012-04-05 18:37:46 +04:00
Hong Ruiqi
8374e67876 doc/go_spec: fix typo
R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/5990043
2012-04-05 22:37:07 +10:00
Alex Brainman
4b943bded8 path/filepath: move out of temp directory before deleting it in TestAbs
Fixes #3476.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/5986045
2012-04-05 15:17:24 +10:00
Dave Cheney
4e9f7047dc misc/dist: include directories in distribution tar and zip files.
Fixes #3458.

R=adg, dsymonds
CC=golang-dev
https://golang.org/cl/5969071
2012-04-05 11:39:12 +10:00
Andrew Gerrand
b16ec46c2f doc: shorten project dashboard link
Fixes #3420.
(which was already fixed)

R=golang-dev, bradfitz, dsymonds
CC=golang-dev
https://golang.org/cl/5987043
2012-04-05 11:17:18 +10:00
Andrew Gerrand
0f775d6b76 misc/dist: label 386 and amd64 as "32-bit x86" and "64-bit x86"
R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/5986043
2012-04-05 11:16:37 +10:00
Ian Lance Taylor
35bc9d17df syscall, net: use native endianness for Linux netlink messages
Tested using 6g and gccgo on x86_64 GNU/Linux and using gccgo
on PowerPC GNU/Linux (which is big-endian).

R=golang-dev, bradfitz, mikioh.mikioh, iant
CC=golang-dev
https://golang.org/cl/5975073
2012-04-04 17:41:36 -07:00
Adam Langley
22690e6621 crypto/rsa: only enforce that de ≡ 1 mod |(ℤ/nℤ)*| in order to load private keys generated by GnuTLS.
Previously we checked that de ≡ 1 mod φ(n). Since φ(n) is a multiple
of |(ℤ/nℤ)*|, this encompassed the new check, but it was too strict as
keys generated by GnuTLS would be rejected when gcd(p-1,q-1)≠1.

(Also updated the error strings in crypto/rsa to contain the package name, which some were missing.)

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5867043
2012-04-04 12:53:59 -04:00
Shenghou Ma
34ace1043e build: unset GOROOT_FINAL before tests
Fix the builders.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5976068
2012-04-04 23:14:54 +08:00
Brad Fitzpatrick
a8197456b1 cmd/go: in go get, don't try to perform discovery on non-hosts
Before, "go get -v foo/bar" was assuming "foo" was a hostname
and trying to perform discovery on it. Now, require a dot in
the first path component (the hostname).

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5981057
2012-04-04 07:24:13 -07:00
Dmitry Chestnykh
ac51c1384a encoding/ascii85: fix panic caused by special case
Special case for encoding 4 zeros as 'z' didn't
update source slice, causing 'index out of bounds'
panic in destination slice.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5970078
2012-04-04 09:52:42 -04:00
Charles L. Dorian
5496e94187 math: update Gamma special cases
Match new C99 values for special cases.

Fixes #2977.

R=rsc, golang-dev
CC=golang-dev
https://golang.org/cl/5972058
2012-04-04 09:45:22 -04:00
Michael Lewis
86092b3d45 sql: Propagate error from subsetTypeArgs in Exec
Fixes #3449

R=golang-dev
CC=bradfitz, golang-dev
https://golang.org/cl/5970076
2012-04-03 15:36:48 -07:00
Rob Pike
7a33265ccd time.RFC822: make the string standard-compliant
For mysterious reasons, the existing string was just wrong: it was missing a colon.
There is no apparent reason for this discrepancy.

This should be safe to fix because existing uses would not be RFC822-compliant;
people cannot be depending on it to generate correct mail headers.

Fixes #3444.

R=golang-dev, dsymonds, iant, rsc
CC=golang-dev
https://golang.org/cl/5969072
2012-04-04 06:54:39 +10:00
Brad Fitzpatrick
49397fe145 A+C: add Michael Lewis (Individual CLA)
R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5970077
2012-04-03 13:38:57 -07:00
Brad Fitzpatrick
0fd53d8be9 misc/dist: check return value from filepath.Walk
Doesn't fix any known issue. This bit me in some unrelated
code and I thought of this tool.

R=golang-dev, krautz, mikkel
CC=golang-dev
https://golang.org/cl/5976067
2012-04-03 12:33:22 -07:00
Shenghou Ma
bcdafaa582 5c, 6c, 8c: take GOROOT_FINAL into consideration
R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5936050
2012-04-04 00:04:36 +08:00
Shenghou Ma
6af069f3e1 5a, 6a, 8a: take GOROOT_FINAL into consideration
R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5940052
2012-04-04 00:03:42 +08:00
Shenghou Ma
96da953d86 godoc: update appinit.go, apply !appengine build constrain to main.go
R=adg, dsymonds
CC=golang-dev
https://golang.org/cl/5969063
2012-04-04 00:00:26 +08:00
Dave Cheney
951a97e42f encoding/base64: fix panic when input len is not a multiple of 4
Fixes #3442.

R=for.go.yong, dsymonds, sougou, minux.ma, rsc
CC=golang-dev
https://golang.org/cl/5975052
2012-04-03 12:14:02 +10:00
Rob Pike
065db4ea99 text/template: pipelined arg was not typechecked
Without this fix, an erroneous template causes a panic; should be caught safely.
The bug did not affect correct templates.

Fixes #3267.

R=golang-dev, dsymonds, rsc
CC=golang-dev
https://golang.org/cl/5900065
2012-04-03 11:44:52 +10:00
Alex Brainman
d3c92b7c90 time: fix handling of locations with no dst on windows
Fixes #3437.

R=rsc
CC=golang-dev
https://golang.org/cl/5967063
2012-04-03 11:39:38 +10:00
Andrew Gerrand
48a76e13a5 misc/dashboard: set api_version to go1
R=golang-dev
CC=golang-dev
https://golang.org/cl/5952046
2012-04-03 08:10:51 +10:00
Andrew Gerrand
f1a39ff003 doc: sync playground.js
R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5956043
2012-04-03 08:10:21 +10:00
Peter Weinberger
a978ead6e1 doc/code.html: change 'affect' to 'effect'.
Fixes #3429.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5966047
2012-04-02 13:05:09 -04:00
Sameer Ajmani
b0f4d805f2 misc/emacs: fix go-mode syntax table and whitespace handling.
- flag * and / as comment characters
- mark newline as a comment-ender
- include newline in go-mode-whitespace-p

Thanks Jonathan Amsterdam and Steve Yegge for the patch!

R=golang-dev, rsc
CC=golang-dev, jba, stevey
https://golang.org/cl/5938056
2012-04-02 12:59:37 -04:00
Russ Cox
e709585151 C: add Peter Weinberger (Google CLA)
R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/5976059
2012-04-02 12:59:02 -04:00
Russ Cox
3b7feb7001 codereview: give advice on 'cannot create CL outside default branch'
Fixes #3430.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/5981047
2012-04-02 12:55:23 -04:00
Benny Siegert
512aeb305e exp/utf8string: Correct package name in error messages
R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5969051
2012-04-02 12:06:05 -04:00
Maxim Pimenov
6727a2ad78 runtime: fix a comment
R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5975043
2012-04-02 11:27:50 -04:00
Ryan Hitchman
8a686792e0 gc: improve error message for composite literals with unexpected newlines
R=golang-dev, r, rsc
CC=golang-dev
https://golang.org/cl/5857045
2012-04-02 11:00:55 -04:00
Shenghou Ma
a9de5bb3eb cmd/dist, sudo.bash: don't mention sudo.bash if cov or prof is not present
Fixes #3422.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5967057
2012-04-02 22:33:38 +08:00
Shenghou Ma
a84056dabe gobuilder: work with codereview plugin enabled in .hgrc
Fixes #3312.

R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/5907065
2012-04-02 18:46:24 +08:00
Mikkel Krautz
28ac033b2e dist: make sure OS X packages follow symlinks when installing
R=adg
CC=golang-dev
https://golang.org/cl/5970061
2012-04-02 16:34:11 +10:00
Aaron Kemp
cb871ce3e0 doc/effective_go.html: Add missing '...' for fmt.Sprintf()
The '...' was missing on a call to fmt.Sprintf() which would result in
the slice being printed instead of the correct result.

R=golang-dev, gri
CC=golang-dev
https://golang.org/cl/5967051
2012-03-30 17:51:24 -07:00
Robert Griesemer
d3a7e5f82d A+C: added Aaron Kemp (Corporate CLA)
R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/5966054
2012-03-30 17:51:07 -07:00
Robert Griesemer
5b5b42ea84 godoc: replace servePage's positional argument list
R=golang-dev, adg, bradfitz
CC=golang-dev
https://golang.org/cl/5869050
2012-03-30 10:42:56 -07:00
Ian Lance Taylor
373f1a95b0 test: add some tests of valid code that failed with gccgo
R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/5971044
2012-03-30 08:42:21 -07:00