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Author SHA1 Message Date
Russ Cox
4843b130bb runtime: avoid allocation for fixed strings 
R=r
CC=golang-dev
https://golang.org/cl/1083041
 2010-05-19 21:33:31 -07:00
Andrew Gerrand
d6b199ac99 dashboard: reintroduce Benchmark model 
R=rsc
CC=golang-dev
https://golang.org/cl/1217046
 2010-05-19 17:53:41 -07:00
Brad Fitzpatrick
1afa2a1b2d os: add Chtimes function 
R=rsc, r
CC=golang-dev
https://golang.org/cl/1103041
 2010-05-19 17:48:53 -07:00
Russ Cox
cbc01a3e76 syscall: add Utimes on Darwin/FreeBSD, add Futimes everywhere 
Needed for CL 1103041 and beyond.

R=adg, bradfitzpatrick
CC=bradfitz, golang-dev
https://golang.org/cl/1172042
 2010-05-19 17:47:57 -07:00
Robert Griesemer
ce7487baa8 bug275: cannot apply real() to a complex array element 
R=r, ken2
CC=golang-dev
https://golang.org/cl/1260041
 2010-05-19 13:10:00 -07:00
Russ Cox
b198c8612e runtime: allow large map values 
Fixes #772.

R=ken2
CC=golang-dev
https://golang.org/cl/1206043
 2010-05-19 12:57:47 -07:00
Robert Griesemer
a688eb6ee4 big: potential bug fix, cleanups 
- implemented setWord, use it where setUint64 is wrong
- divLarge: use fast mulWW, divWW; implemented mulWW, divWW
- better assembly code for addMulVVW

R=rsc
CC=golang-dev
https://golang.org/cl/1258042
 2010-05-19 09:36:50 -07:00
Russ Cox
5b8117b98a fix build - arm tests 
TBR=kaib
CC=golang-dev
https://golang.org/cl/1256042
 2010-05-18 23:27:35 -07:00
Russ Cox
b629687f79 fix build - no netchan tests under NaCl 
TBR=r
CC=golang-dev
https://golang.org/cl/1230042
 2010-05-18 23:25:07 -07:00
Michael Hoisie
4a3cb1ad2f bytes: add Trim, TrimLeft, TrimRight, and generic functions 
R=rsc, r
CC=golang-dev
https://golang.org/cl/946045
 2010-05-18 23:01:05 -07:00
Evan Shaw
d2aa74118c gc: Better error when computing remainder of non-int 
Previously the compiler would just emit "internal compiler error" when
trying to compute the remainder of floats or complex types.

R=rsc
CC=golang-dev
https://golang.org/cl/1243041
 2010-05-18 22:41:12 -07:00
Charles L. Dorian
809479740f math: amd64 versions of fdim, fmax, fmin 
Uses the SSE2 max, min instructions. Also shorter sqrt_amd64.s

R=rsc
CC=golang-dev
https://golang.org/cl/1216042
 2010-05-18 22:33:50 -07:00
Charles L. Dorian
879241d819 math: signed zero Sqrt special case 
IEEE 754 says: sqrt(-0) = -0

R=rsc
CC=golang-dev
https://golang.org/cl/1098041
 2010-05-18 22:16:01 -07:00
Robert Griesemer
90d0c3316c big: bug fix for division 
Fixes #784.

R=rsc
CC=golang-dev
https://golang.org/cl/1196043
 2010-05-18 16:31:49 -07:00
Kyle Consalus
2db47c9083 Trivial optimization. 
Cached string indexing in inner loop of Btoui64.

    Before:
    strconv_test.BenchmarkAtoi   5000000           309 ns/op
    strconv_test.BenchmarkAtoiNeg    5000000           325 ns/op
    strconv_test.BenchmarkAtoi64     5000000           465 ns/op
    strconv_test.BenchmarkAtoi64Neg  5000000           469 ns/op

    After:
    strconv_test.BenchmarkAtoi  10000000           182 ns/op
    strconv_test.BenchmarkAtoiNeg   10000000           193 ns/op
    strconv_test.BenchmarkAtoi64    10000000           251 ns/op
    strconv_test.BenchmarkAtoi64Neg 10000000           258 ns/op

R=golang-dev, gri
CC=golang-dev
https://golang.org/cl/1227042
 2010-05-18 16:29:24 -07:00
Roger Peppe
bcdcf395e5 Add Error member to yyLexer type (yyError 
has no access to yylex)

R=ken2, ken3
CC=golang-dev
https://golang.org/cl/813047
 2010-05-17 12:23:48 -07:00
Robert Griesemer
dbb6232724 big: implemented format support for fmt library, MulRange 
- support for binary prefix 0b (to match fmt.Format)
- renamed nat.new -> nat.setUint64 for consistency
- more tests

R=r
CC=golang-dev
https://golang.org/cl/1233041
 2010-05-15 10:23:41 -07:00
Christopher Wedgwood
cffdb1e830 build; allow MAKEFLAGS to be set outside the build scripts 
R=rsc, r
CC=golang-dev
https://golang.org/cl/1231041
 2010-05-15 10:08:29 -07:00
Charles L. Dorian
1d4e2d1adc cmath: add package description 
Also update range of Phase and Polar due to signed zero.
[Phase(cmplx(-1, +0)) = pi and Phase(cmplx(-1, -0)) = -pi]

R=rsc, r
CC=golang-dev
https://golang.org/cl/1235041
 2010-05-15 10:06:54 -07:00
Robert Griesemer
31f79690f7 gofmt: exclude test w/ illegal syntax from test cases 
R=adg
CC=golang-dev
https://golang.org/cl/1228041
 2010-05-14 15:45:53 -07:00
Robert Griesemer
650cc32739 go/printer (gofmt): don't lose mandatory semicolons 
Fixes #779.

R=r
CC=golang-dev
https://golang.org/cl/1218042
 2010-05-14 15:38:25 -07:00
Robert Griesemer
3af4803704 go spec: added imaginary literal to semicolon rules (was missing) 
- also added links to the respective sections
- reformatted section for better (source html) readability
- added missing closing </li>'s in many places

R=r
CC=golang-dev
https://golang.org/cl/1220041
 2010-05-14 13:11:48 -07:00
Roger Peppe
14e04f4d40 Prevent Printf crashing when giving an extra nil argument. 
R=rsc, r
CC=golang-dev
https://golang.org/cl/1195041
 2010-05-13 12:49:48 -07:00
Andrew Gerrand
e0bde8cfe8 rename 'gordon' to 'gopher' 
R=r
CC=golang-dev
https://golang.org/cl/1207041
 2010-05-13 11:53:44 -07:00
Robert Griesemer
434c4378c1 bug274: test case for issue 777 
R=r, iant
CC=golang-dev
https://golang.org/cl/1195042
 2010-05-13 11:52:04 -07:00
Robert Griesemer
d6acc0646b http: prevent crash if remote server is not responding with "HTTP/" 
Fixes #775.

R=rsc
CC=golang-dev
https://golang.org/cl/1180042
 2010-05-11 16:50:20 -07:00
Russ Cox
75dbbd2137 netchan: be less chatty during gotest 
R=r
CC=golang-dev
https://golang.org/cl/1186041
 2010-05-11 14:57:08 -07:00
Russ Cox
4e5bc6a8fe json: fix array -> non-array decoding 
Fixes #773.

R=adg
CC=golang-dev
https://golang.org/cl/1120042
 2010-05-11 14:38:55 -07:00
Nigel Tao
916426ea76 drawGlyphOver optimization. 
Timings (as for change 1122043) go from 49ms to 48ms ish. It's
mostly lost in the noise, but it probably doesn't hurt.

R=r
CC=golang-dev
https://golang.org/cl/1179041
 2010-05-11 13:35:16 +10:00
Nigel Tao
d7a6d22852 exp/draw fast path for glyph images. 
To draw.Draw a 32x32 image.Alpha 10000 times,
Before: 633ms with 10000 mallocs
After: 49ms with 0 mallocs

These times are just blitting an image.Alpha, and do not include
rasterizing a glyph's vector contours to an image.Alpha.

The "generic" test case in draw_test.go tests this fast path.

R=rsc
CC=golang-dev
https://golang.org/cl/1122043
 2010-05-10 10:32:08 +10:00
Rob Pike
b717768b94 template: regularize the handling of interfaces, pointers, and 
methods when looking up names.
Fixes #764.

R=rsc
CC=golang-dev
https://golang.org/cl/1170041
 2010-05-09 16:40:38 -07:00
Michael Hoisie
834abb8068 json: accept escaped slash in string scanner 
R=rsc
CC=golang-dev
https://golang.org/cl/1173041
 2010-05-08 17:34:05 -07:00
Robert Griesemer
52cc058172 big: cleanups and performance tuning 
- removed last argument (n) from all core arithmetic routines;
  instead, use the length of the result

- simplified nat.make implementation and chose a better capacity
  for new values, removed a TODO in the process

Changing the constant e from 1 (old) to 4 (new) improved
pidigits -s -n 10000 by ~9% (on a 3.06GHz Intel Core 2 Duo):

user	0m3.882s (old)
user	0m3.549s (new)

R=rsc
CC=golang-dev
https://golang.org/cl/1133043
 2010-05-08 13:52:36 -07:00
Robert Griesemer
61eb0e71f2 big: more cleanup 
- pass []Word instead of *Word to core arithmetic functions
- remove dead code

R=rsc
CC=golang-dev
https://golang.org/cl/1154042
 2010-05-07 18:26:31 -07:00
Robert Griesemer
56ca697269 go spec: simplify section on channel types 
R=rsc, iant, r
CC=golang-dev
https://golang.org/cl/1171041
 2010-05-07 18:22:40 -07:00
Rob Pike
f023e859cf compress: renamings. 
NewDeflater -> NewWriter
NewInflater -> NewReader
Deflater -> Compressor
Inflater -> Decompressor

R=rsc
CC=golang-dev
https://golang.org/cl/1166041
 2010-05-07 14:32:34 -07:00
Rob Pike
b541921b66 gob: bug fix: errors encoding the payload were not 
returned to caller.

R=rsc
CC=golang-dev
https://golang.org/cl/1164041
 2010-05-07 13:30:13 -07:00
Rob Pike
56c5710b38 gob: add an internal commentary example showing how the 
values are encoded for transmission.

R=rsc
CC=golang-dev
https://golang.org/cl/1146041
 2010-05-07 11:44:41 -07:00
Ian Lance Taylor
e1b47159ab Save the scheduling state even predawn. 
This permits cgo callbacks to work when run in init code.
Otherwise cgocallback switches to the wrong stack address.

R=rsc
CC=golang-dev
https://golang.org/cl/1123043
 2010-05-06 22:07:03 -07:00
Robert Griesemer
6d7583d5fd fix build (typo in arith_386.s) 
R=rsc
CC=golang-dev
https://golang.org/cl/1139042
 2010-05-06 19:16:26 -07:00
Robert Griesemer
3f287b5002 big: implemented overlap-tolerant shifts in assembly 
- no need to make copies in cases of aliases
- removed deprecated internal shift functions
- minor unrelated simplifications

This change improves pidigits -s -n10000 by almost 20%:

user 0m6.156s (old)
user 0m4.999s (new)

(pidigits -s -n20000 goes from ~25s to ~19s)

R=rsc
CC=golang-dev
https://golang.org/cl/1149041
 2010-05-06 18:20:01 -07:00
Andrew Gerrand
fbf8d263f9 codelab/wiki: fix typo in demo URL 
R=r
CC=golang-dev
https://golang.org/cl/1148041
 2010-05-07 10:16:16 +10:00
Rob Pike
eb48bfbbda runtime.GOMAXPROCS: hack it to have it return the old value. 
R=rsc
CC=golang-dev
https://golang.org/cl/1140041
 2010-05-06 11:50:47 -07:00
Rob Pike
9088f9f245 gob: add test for indirect maps, slices, arrays. 
fix a bug in the handling of indirect maps.

R=rsc
CC=golang-dev
https://golang.org/cl/1132042
 2010-05-06 10:45:18 -07:00
Russ Cox
6dbba67214 gc: distinguish array, slice literal in error messages 
R=ken2
CC=golang-dev
https://golang.org/cl/1138041
 2010-05-06 09:34:12 -07:00
Nigel Tao
20ba090978 Make exp/draw/x11 respect $XAUTHORITY. 
R=rsc, cw, nigeltao_golang
CC=golang-dev
https://golang.org/cl/1134041
 2010-05-06 18:41:42 +10:00
Rob Pike
7861da737e gob: add support for maps. 
Because maps are mostly a hidden type, they must be
implemented using reflection values and will not be as
efficient as arrays and slices.

R=rsc
CC=golang-dev
https://golang.org/cl/1127041
 2010-05-05 16:46:39 -07:00
Rob Pike
46152bb9fe pkg/Makefile: add netchan to standard package list 
R=golang-dev
CC=golang-dev
https://golang.org/cl/1121041
 2010-05-05 15:17:26 -07:00
Russ Cox
954ea53582 CONTRIBUTORS: add Brad Fitzpatrick (Google Inc) 
R=r, bradfitzpatrick
CC=golang-dev
https://golang.org/cl/1118041
 2010-05-05 12:49:59 -07:00
Kyle Consalus
24bfd652ee Conversion from loop to copy(). 
R=golang-dev, gri
CC=golang-dev
https://golang.org/cl/1072041
 2010-05-05 09:57:53 -07:00