- 26 Apr, 2017 9 commits
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Josh Bleecher Snyder authored
Grand savings: 6 bits. Change-Id: I364be54cc41534689e01672ed0fe2c10a560d3d4 Reviewed-on: https://go-review.googlesource.com/41794 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> Reviewed-by:
Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
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Josh Bleecher Snyder authored
Change-Id: I30c59ba84dcacc3de39c42f94484b47bb7c36eba Reviewed-on: https://go-review.googlesource.com/41792 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> Reviewed-by:
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Todd Neal authored
Resolve import paths to get plugin symbol prefixes. Fixes #19534 Change-Id: Ic25d83e72465ba8f6be0337218a1627b5dc702dc Reviewed-on: https://go-review.googlesource.com/40994 Run-TryBot: Todd Neal <todd@tneal.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
David Crawshaw <crawshaw@golang.org>
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Michael Fraenkel authored
The LocalAddrContext should have the network address of the actual interface. Fixes #18686 Change-Id: I9c401eda312f3a0e7e65b013af827aeeef3b4d3d Reviewed-on: https://go-review.googlesource.com/35490 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Josh Bleecher Snyder authored
Node.Walkdef is 0, 1, or 2, so it only requires two bits. Add support for 2-bit values to bitset, and use it for Node.Walkdef. Class, Embedded, Typecheck, and Initorder will follow suit in subsequent CLs. The multi-bit flags will go at the beginning, since that generates (marginally) more efficient code. Change-Id: Id6e2e66e437f10aaa05b8a6e1652efb327d06128 Reviewed-on: https://go-review.googlesource.com/41791 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> Reviewed-by:
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Josh Bleecher Snyder authored
It is no longer used. Change-Id: Id64f387867a0503d13eaecda12e6606682c24595 Reviewed-on: https://go-review.googlesource.com/41790 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> Reviewed-by:
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Ian Lance Taylor authored
In the past we returned "use of closed network connection" when using a closed network descriptor in some way. In CL 36799 that was changed to return "use of closed file or network connection". Because programs have no access to a value of this error type (see issue #4373) they resort to doing direct string comparisons (see issue #19252). This CL restores the old error string so that we don't break programs unnecessarily with the 1.9 release. This adds a test to the net package for the expected string. For symmetry check that the os package returns the expected error, which for os already exists as os.ErrClosed. Updates #4373. Fixed #19252. Change-Id: I5b83fd12cfa03501a077cad9336499b819f4a38b Reviewed-on: https://go-review.googlesource.com/39997 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Russ Cox <rsc@golang.org>
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Josh Bleecher Snyder authored
In addition to being more compact, this makes the code a lot clearer. Change-Id: Ibcb70526c2e5913dcf34904fda194e3585228c3f Reviewed-on: https://go-review.googlesource.com/41761 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> Reviewed-by:
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Josh Bleecher Snyder authored
node.Likely may once have held -1/0/+1, but it is now only 0/1. With improved SSA heuristics, it may someday go away entirely. Change-Id: I6451d17fd7fb47e67fea4d39df302b6db00ea57b Reviewed-on: https://go-review.googlesource.com/41760 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> Reviewed-by:
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- 25 Apr, 2017 27 commits
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Daniel Martí authored
It was added in Go 1.7. Also gofmt while at it. Change-Id: Idb65fb44e2f2a4365dceea3f833aeb51a8d12333 Reviewed-on: https://go-review.googlesource.com/41692 Run-TryBot: Daniel Martí <mvdan@mvdan.cc> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Brad Fitzpatrick authored
Updates #18243 Change-Id: I1fe0af65dbd52c3e8e0a245e4cbbdfca100971b4 Reviewed-on: https://go-review.googlesource.com/41759 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Josh Bleecher Snyder <josharian@gmail.com>
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Brad Fitzpatrick authored
This updates the bundled http2 package from git rev 5602c733f70afc6dcec6766be0d5034d4c4f14de of the x/net repo for: http2: Use NO_ERROR instead of CANCEL when responding before the request is finished https://golang.org/cl/40630 http2: enforce write deadline per stream https://golang.org/cl/34727 Updates golang/go#19948 Fixes golang/go#18437 Change-Id: I14500476e91551fa8f27a1aeb8ae3cac9600b74c Reviewed-on: https://go-review.googlesource.com/41753Reviewed-by:
Kale Blankenship <kale@lemnisys.com> Reviewed-by:
Tom Bergan <tombergan@google.com> Run-TryBot: Kale Blankenship <kale@lemnisys.com> TryBot-Result: Gobot Gobot <gobot@golang.org>
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Mikio Hara authored
Updates golang_org/x/net/route to rev da118f7 for: - route: don't fail test when at least one version of INET protocols is available Updates #19298. Updates #19967. Change-Id: I46948f1bd4ac6e6afd424623233f90e2b6b954c6 Reviewed-on: https://go-review.googlesource.com/41652 Run-TryBot: Mikio Hara <mikioh.mikioh@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Ian Lance Taylor <iant@golang.org>
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Mikio Hara authored
Updates golang_org/x/net/lif to rev a25ba90 for: - lif: don't fail test when at least one version of INET protocols is available Updates #19967. Change-Id: I4b946a4c6eee7938193688ecbfc4a9d69d88c94e Reviewed-on: https://go-review.googlesource.com/41651 Run-TryBot: Mikio Hara <mikioh.mikioh@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Mikio Hara authored
Change-Id: I34547b057605bb9e1e2227c41867589348560244 Reviewed-on: https://go-review.googlesource.com/41513 Run-TryBot: Mikio Hara <mikioh.mikioh@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Brad Fitzpatrick authored
Cleanup CL https://golang.org/cl/41691 broke the plan9 build by removing a use of a package but not removing the package import. Trybots don't check that. I filed #20119 for that. Change-Id: Ia030e6924665dfb871ca964455b899d51b0200c2 Reviewed-on: https://go-review.googlesource.com/41752Reviewed-by:
David du Colombier <0intro@gmail.com>
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Brad Fitzpatrick authored
In an effort to at least understand the complete set of things not working on Alpine Linux, I've been trying to get the build passing again, even with tests disabled. The race detector is broken on Alpine. That is #14481 (and #9918). So disable those tests for now. Also, internal linking with PIE doesn't work on Alpine yet. That is #18243. So disable that test for now. With this CL, all.bash almost passes. There's some cgo test failing still, but there's no bug yet, so that can be a separate CL. Change-Id: I3ffbb0e787ed54cb82f298b6bd5bf3ccfbc82622 Reviewed-on: https://go-review.googlesource.com/41678 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Josh Bleecher Snyder authored
Version 4 generated with toolchain at commit 51012314. Version 5 generated with toolchain at commit a6b16e00. Change-Id: If11ec8b3357f0f71776c15665e4d5228b3842ff7 Reviewed-on: https://go-review.googlesource.com/41710 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Josh Bleecher Snyder authored
Use -64 instead of 0 as the magic "new file" line delta, since it is much less common. Use a new path encoding that breaks up paths into /-separated components, allowing reuse of the component strings, and making many re-used paths a single byte to encode. Bump the export version to 5. Fixes #20080 name old export-bytes new export-bytes delta Template 19.1k ± 0% 17.4k ± 0% -8.74% (p=0.008 n=5+5) Unicode 4.47k ± 0% 4.42k ± 0% -0.96% (p=0.008 n=5+5) GoTypes 29.9k ± 0% 27.6k ± 0% -7.41% (p=0.008 n=5+5) Compiler 71.4k ± 0% 65.4k ± 0% -8.45% (p=0.008 n=5+5) SSA 67.8k ± 0% 65.6k ± 0% -3.38% (p=0.008 n=5+5) Flate 4.99k ± 0% 4.79k ± 0% -3.91% (p=0.008 n=5+5) GoParser 8.77k ± 0% 7.97k ± 0% -9.14% (p=0.008 n=5+5) Reflect 6.27k ± 0% 6.13k ± 0% -2.22% (p=0.008 n=5+5) Tar 9.46k ± 0% 8.82k ± 0% -6.69% (p=0.008 n=5+5) XML 16.0k ± 0% 14.9k ± 0% -6.69% (p=0.008 n=5+5) [Geo mean] 14.8k 14.0k -5.80% Change-Id: Iea0c8c62e61dbab3cfd14ee121e34845c85f00d2 Reviewed-on: https://go-review.googlesource.com/41619 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Robert Griesemer <gri@golang.org>
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griesemer authored
isifacemethod accessed thisT without checking if it was initialized, opening the possibility for a bug during type checking. Give better name, move it to package types, and provide accessor instead. Change-Id: I29ffc408252a4ba4ef1de218fa154397786c9be6 Reviewed-on: https://go-review.googlesource.com/41673Reviewed-by:
Matthew Dempsky <mdempsky@google.com> Reviewed-by:
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Damien Lespiau authored
This comment is very useful but still refers to the C implementation. Adapting it for Go is fairly straightforward though. Change-Id: Ib6dde25f3a18acbce76bb3cffdc29f5ccf43c1f7 Reviewed-on: https://go-review.googlesource.com/41696Reviewed-by:
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Michael Munday authored
The assembler reordered the operands of some instructions to put the first operand into From3. Unfortunately this meant that when the instructions were printed the operands were in a different order than the assembler would expect as input. For example, 'MVC $8, (R1), (R2)' would be printed as 'MVC (R1), $8, (R2)'. Originally this was done to ensure that From contained the source memory operand. The current compiler no longer requires this and so this CL simply makes all instructions use the standard order for operands: From, Reg, From3 and finally To. Fixes #18295 Change-Id: Ib2b5ec29c647ca7a995eb03dc78f82d99618b092 Reviewed-on: https://go-review.googlesource.com/40299 Run-TryBot: Michael Munday <munday@ca.ibm.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Cherry Zhang <cherryyz@google.com>
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Daniel Martí authored
Breaks are implicit, and since there is no outer loop this one could not mean a loop break that was missing a label. Change-Id: Ie91018db1825aa8285c1aa55c9d28fc7ec7148af Reviewed-on: https://go-review.googlesource.com/39691 Run-TryBot: Daniel Martí <mvdan@mvdan.cc> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Daniel Martí authored
Mostly unnecessary *testing.T arguments. Found with github.com/mvdan/unparam. Change-Id: Ifb955cb88f2ce8784ee4172f4f94d860fa36ae9a Reviewed-on: https://go-review.googlesource.com/41691 Run-TryBot: Daniel Martí <mvdan@mvdan.cc> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Ian Lance Taylor authored
Now that the os package uses internal/poll on Unix and Windows systems, it can rely on internal/poll reference counting to ensure that the file descriptor is not closed until all I/O is complete. That was already working. This CL completes the job by not trying to modify the Sysfd field when it might still be used by the I/O routines. Fixes #7970 Change-Id: I7a3daa1a6b07b7345bdce6f0cd7164bd4eaee952 Reviewed-on: https://go-review.googlesource.com/41674Reviewed-by:
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Carlos Eduardo Seo authored
This change adds a better asm implementation of addVV for ppc64x, with speedups up to nearly 3x in the best cases. benchmark old ns/op new ns/op delta BenchmarkAddVV/1-8 7.33 5.81 -20.74% BenchmarkAddVV/2-8 8.72 6.49 -25.57% BenchmarkAddVV/3-8 10.5 7.08 -32.57% BenchmarkAddVV/4-8 12.7 7.57 -40.39% BenchmarkAddVV/5-8 14.3 8.06 -43.64% BenchmarkAddVV/10-8 27.6 11.1 -59.78% BenchmarkAddVV/100-8 218 82.4 -62.20% BenchmarkAddVV/1000-8 2064 718 -65.21% BenchmarkAddVV/10000-8 20536 7153 -65.17% BenchmarkAddVV/100000-8 211004 72403 -65.69% benchmark old MB/s new MB/s speedup BenchmarkAddVV/1-8 8729.74 11006.26 1.26x BenchmarkAddVV/2-8 14683.65 19707.55 1.34x BenchmarkAddVV/3-8 18226.96 27103.63 1.49x BenchmarkAddVV/4-8 20204.50 33805.81 1.67x BenchmarkAddVV/5-8 22348.64 39694.06 1.78x BenchmarkAddVV/10-8 23212.74 57631.08 2.48x BenchmarkAddVV/100-8 29300.07 77629.53 2.65x BenchmarkAddVV/1000-8 31000.56 89094.54 2.87x BenchmarkAddVV/10000-8 31163.61 89469.16 2.87x BenchmarkAddVV/100000-8 30331.16 88393.73 2.91x It also adds the use of CTR for the loop counter in subVV, instead of manually updating the loop counter. This is slightly faster. Change-Id: Ic4b05cad384fd057972d46a5618ed5c3039d7460 Reviewed-on: https://go-review.googlesource.com/41010 Run-TryBot: Lynn Boger <laboger@linux.vnet.ibm.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Lynn Boger <laboger@linux.vnet.ibm.com>
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Ben Shi authored
As discussion in issue #18293, "MOVW $Imm-16, Reg" was introduced in ARMv7. It directly encoded the 16-bit immediate into the instruction instead of put it in the constant pool. This patch makes the arm assembler choose this form of MOVW if available. Besides 4 bytes are saved in the constant pool, the go1 benchmark test also shows a slight improvement. name old time/op new time/op delta BinaryTree17-4 42.7s ± 1% 42.7s ± 1% ~ (p=0.304 n=50+50) Fannkuch11-4 24.8s ± 1% 24.8s ± 0% ~ (p=0.757 n=50+49) FmtFprintfEmpty-4 875ns ± 1% 873ns ± 2% ~ (p=0.066 n=44+46) FmtFprintfString-4 1.43µs ± 1% 1.45µs ± 1% +1.68% (p=0.000 n=44+44) FmtFprintfInt-4 1.52µs ± 1% 1.52µs ± 1% +0.26% (p=0.009 n=41+45) FmtFprintfIntInt-4 2.19µs ± 1% 2.20µs ± 1% +0.76% (p=0.000 n=43+46) FmtFprintfPrefixedInt-4 2.56µs ± 2% 2.53µs ± 1% -1.03% (p=0.000 n=45+44) FmtFprintfFloat-4 4.41µs ± 1% 4.39µs ± 1% -0.52% (p=0.000 n=44+44) FmtManyArgs-4 9.02µs ± 2% 9.04µs ± 1% +0.27% (p=0.000 n=46+44) GobDecode-4 106ms ± 1% 106ms ± 1% ~ (p=0.310 n=45+43) GobEncode-4 88.1ms ± 2% 88.0ms ± 2% ~ (p=0.648 n=49+50) Gzip-4 4.31s ± 1% 4.27s ± 1% -1.01% (p=0.000 n=50+50) Gunzip-4 618ms ± 1% 608ms ± 1% -1.65% (p=0.000 n=45+47) HTTPClientServer-4 689µs ± 6% 692µs ± 4% +0.52% (p=0.038 n=50+47) JSONEncode-4 282ms ± 2% 280ms ± 1% -0.75% (p=0.000 n=46+43) JSONDecode-4 945ms ± 2% 940ms ± 1% -0.47% (p=0.000 n=47+47) Mandelbrot200-4 49.4ms ± 1% 49.3ms ± 1% ~ (p=0.163 n=45+45) GoParse-4 46.0ms ± 3% 45.5ms ± 2% -0.95% (p=0.000 n=49+40) RegexpMatchEasy0_32-4 1.29µs ± 1% 1.28µs ± 1% -0.14% (p=0.005 n=38+45) RegexpMatchEasy0_1K-4 7.92µs ± 8% 7.75µs ± 6% -2.12% (p=0.000 n=47+50) RegexpMatchEasy1_32-4 1.31µs ± 1% 1.31µs ± 0% ~ (p=0.282 n=45+48) RegexpMatchEasy1_1K-4 10.4µs ± 5% 10.4µs ± 3% ~ (p=0.771 n=50+49) RegexpMatchMedium_32-4 2.06µs ± 1% 2.07µs ± 1% +0.35% (p=0.001 n=44+49) RegexpMatchMedium_1K-4 533µs ± 1% 532µs ± 1% ~ (p=0.710 n=43+47) RegexpMatchHard_32-4 29.7µs ± 1% 29.6µs ± 1% -0.34% (p=0.002 n=43+46) RegexpMatchHard_1K-4 893µs ± 2% 885µs ± 1% -0.85% (p=0.000 n=50+45) Revcomp-4 85.6ms ± 4% 85.5ms ± 2% ~ (p=0.683 n=50+50) Template-4 1.05s ± 3% 1.04s ± 1% -1.06% (p=0.000 n=50+44) TimeParse-4 7.19µs ± 2% 7.11µs ± 2% -1.10% (p=0.000 n=48+46) TimeFormat-4 13.4µs ± 1% 13.5µs ± 1% ~ (p=0.056 n=46+49) [Geo mean] 747µs 745µs -0.28% name old speed new speed delta GobDecode-4 7.23MB/s ± 1% 7.22MB/s ± 1% ~ (p=0.062 n=45+39) GobEncode-4 8.71MB/s ± 2% 8.72MB/s ± 2% ~ (p=0.656 n=49+50) Gzip-4 4.50MB/s ± 1% 4.55MB/s ± 1% +1.03% (p=0.000 n=50+50) Gunzip-4 31.4MB/s ± 1% 31.9MB/s ± 1% +1.67% (p=0.000 n=45+47) JSONEncode-4 6.89MB/s ± 2% 6.94MB/s ± 1% +0.76% (p=0.000 n=46+43) JSONDecode-4 2.05MB/s ± 2% 2.06MB/s ± 2% +0.32% (p=0.017 n=47+50) GoParse-4 1.26MB/s ± 3% 1.27MB/s ± 1% +0.68% (p=0.000 n=50+48) RegexpMatchEasy0_32-4 24.9MB/s ± 1% 24.9MB/s ± 1% +0.13% (p=0.004 n=38+45) RegexpMatchEasy0_1K-4 129MB/s ± 7% 132MB/s ± 6% +2.34% (p=0.000 n=46+50) RegexpMatchEasy1_32-4 24.5MB/s ± 1% 24.4MB/s ± 1% ~ (p=0.252 n=45+48) RegexpMatchEasy1_1K-4 98.8MB/s ± 4% 98.7MB/s ± 3% ~ (p=0.771 n=50+49) RegexpMatchMedium_32-4 485kB/s ± 3% 480kB/s ± 0% -0.95% (p=0.000 n=50+38) RegexpMatchMedium_1K-4 1.92MB/s ± 1% 1.92MB/s ± 1% ~ (p=0.129 n=43+47) RegexpMatchHard_32-4 1.08MB/s ± 2% 1.08MB/s ± 1% +0.38% (p=0.017 n=46+46) RegexpMatchHard_1K-4 1.15MB/s ± 2% 1.16MB/s ± 1% +0.67% (p=0.001 n=50+49) Revcomp-4 29.7MB/s ± 4% 29.7MB/s ± 2% ~ (p=0.682 n=50+50) Template-4 1.85MB/s ± 3% 1.87MB/s ± 1% +1.04% (p=0.000 n=50+44) [Geo mean] 6.56MB/s 6.60MB/s +0.47% Change-Id: Ic2cca90133c27a08d9f1a23c65b0eed5fbd02684 Reviewed-on: https://go-review.googlesource.com/41190 Run-TryBot: Cherry Zhang <cherryyz@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Brad Fitzpatrick authored
s/arm64/amd64/ in previous typo CL 41628 Updates #19938 Updates #18243 Change-Id: I282244ee3c94535f229a87b6246382385ff64428 Reviewed-on: https://go-review.googlesource.com/41675Reviewed-by:
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Martin Möhrmann authored
Reduces cmd/go by 4464 bytes on amd64. Removes the duplicate detection of AVX support and presence of Intel processors. Change-Id: I4670189951a63760fae217708f68d65e94a30dc5 Reviewed-on: https://go-review.googlesource.com/41570Reviewed-by:
Keith Randall <khr@golang.org> Run-TryBot: Keith Randall <khr@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
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Brad Fitzpatrick authored
Updates #19938 Updates #18243 Change-Id: Ib6e704c0a5d596bdfaa6493902d2528bec55bf16 Reviewed-on: https://go-review.googlesource.com/41628Reviewed-by:
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Evgeniy Polyakov authored
Implemented low-level time system for windows on hardware (software), which does not support memory mapped _KSYSTEM_TIME page update. In particular this problem exists on Wine where _KSYSTEM_TIME only contains time at the start, and is never modified. On start we try to detect Wine and if it's so we fallback to GetSystemTimeAsFileTime() for current time and a monotonic timer based on QueryPerformanceCounter family of syscalls: https://msdn.microsoft.com/en-us/library/windows/desktop/dn553408(v=vs.85).aspx Fixes #18537 Change-Id: I269d22467ed9b0afb62056974d23e731b80c83ed Reviewed-on: https://go-review.googlesource.com/35710Reviewed-by:
Alex Brainman <alex.brainman@gmail.com> Run-TryBot: Alex Brainman <alex.brainman@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org>
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Ian Lance Taylor authored
Since Pread/Pwrite specify a file offset, using incref is sufficient. This permits multiple Pread/Pwrite calls in parallel. Since Pread/Pwrite specify a file offset, it doesn't seem to make sense to use the poller for them, so don't. Updates #19586 Change-Id: I676be16bf519b9a45f8e6b1d991c44f10848bc11 Reviewed-on: https://go-review.googlesource.com/41670 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Brad Fitzpatrick authored
As Ian said at: https://github.com/golang/go/issues/19964#issuecomment-296347750 > the -fdebug-prefix-map option is being applied to the debug info but > not to the initial .file pseudo-op. > > My only current thought for how to fix this is that instead of > compiling $WORK/a/b/foo.c, we should change the command to (cd > $WORK/a/b && clang -g -c foo.c). We'll still want > -fdebug-prefix-map, I think, but that should fix the .file > pseudo-op. This CL does that. Fixes #19964 Change-Id: I442b1201cab9e0448fc520ab243ad364d59cd7c3 Reviewed-on: https://go-review.googlesource.com/41629 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Hiroshi Ioka authored
Use an original name instead of a symlink's target path. Fixes #20064 Change-Id: I9be3837a156bdcda0e9e065abbb425d535b27be3 Reviewed-on: https://go-review.googlesource.com/41310Reviewed-by:
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Ronald G. Minnich authored
When unshare specifies a new namespace, the syscall package changes / to make namespace changes private. If a chroot is specified, the unshare must be done first. If the chroot is done first then the unshare will not specify the correct /. A new test is included which test combining chroot and CLONE_NEWNS; it fails without the patch and works with it. Fixes #20103 Change-Id: I86022803c784bd418a30383321f3d64103d95c62 Reviewed-on: https://go-review.googlesource.com/41626Reviewed-by:
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Alex Brainman authored
For #17541. Change-Id: I524ab194f32b8b061ce1c9c3e0cd34cc5539358e Reviewed-on: https://go-review.googlesource.com/39410 Run-TryBot: Alex Brainman <alex.brainman@gmail.com> Reviewed-by:
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- 24 Apr, 2017 4 commits
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Josh Bleecher Snyder authored
This reduces the size of the ssa export data by 10%, from 76154 to 67886. It doesn't appear that #20084, which would do this automatically, is going to be fixed soon. Do it manually for now. This speeds up compiling cmd/compile/internal/amd64 and presumably its comrades as well: name old time/op new time/op delta CompileAMD64 89.6ms ± 6% 86.7ms ± 5% -3.29% (p=0.000 n=49+47) name old user-time/op new user-time/op delta CompileAMD64 116ms ± 5% 112ms ± 5% -3.51% (p=0.000 n=45+42) name old alloc/op new alloc/op delta CompileAMD64 26.7MB ± 0% 25.8MB ± 0% -3.26% (p=0.008 n=5+5) name old allocs/op new allocs/op delta CompileAMD64 223k ± 0% 213k ± 0% -4.46% (p=0.008 n=5+5) Updates #20084 Change-Id: I49e8951c5bfce63ad2b7f4fc3bfa0868c53114f9 Reviewed-on: https://go-review.googlesource.com/41493 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Robert Griesemer authored
Change-Id: I4d5c54d2dceabf4630e5e642835b20c8c6890524 Reviewed-on: https://go-review.googlesource.com/41616 Run-TryBot: Robert Griesemer <gri@golang.org> Reviewed-by:
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Josselin Costanzi authored
Optimize DecodeString for the common case where most of the input isn't a newline or a padding character. Also add some testcases found when fuzzing this implementation against upstream. Change Decode benchmark to run with different input sizes. name old time/op new time/op delta DecodeString/2-4 71.5ns ± 4% 70.0ns ± 6% ~ (p=0.246 n=5+5) DecodeString/4-4 112ns ±25% 91ns ± 2% ~ (p=0.056 n=5+5) DecodeString/8-4 136ns ± 5% 126ns ± 5% -7.33% (p=0.016 n=5+5) DecodeString/64-4 872ns ±29% 652ns ±21% -25.23% (p=0.032 n=5+5) DecodeString/8192-4 90.9µs ±21% 61.0µs ±13% -32.87% (p=0.008 n=5+5) name old speed new speed delta DecodeString/2-4 56.0MB/s ± 4% 57.2MB/s ± 6% ~ (p=0.310 n=5+5) DecodeString/4-4 73.4MB/s ±23% 87.7MB/s ± 2% ~ (p=0.056 n=5+5) DecodeString/8-4 87.8MB/s ± 5% 94.8MB/s ± 5% +7.98% (p=0.016 n=5+5) DecodeString/64-4 103MB/s ±24% 136MB/s ±19% +32.63% (p=0.032 n=5+5) DecodeString/8192-4 122MB/s ±19% 180MB/s ±11% +47.75% (p=0.008 n=5+5) Improves #19636 Change-Id: I39667f4fb682a12b3137946d017ad999553c5780 Reviewed-on: https://go-review.googlesource.com/34950Reviewed-by:
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Andrew Benton authored
There were a number of places in crypto/x509 that used hardcoded representations of the ASN.1 NULL type, in both byte slice and RawValue struct forms. This change adds two new exported vars to the asn1 package for working with ASN.1 NULL in both its forms, and converts all usages from the x509 package. In addition, tests were added to exercise Marshal and Unmarshal on both vars. See #19446 for discussion. Change-Id: I63dbd0835841ccbc810bd6ec794360a84e933f1e Reviewed-on: https://go-review.googlesource.com/38660 Run-TryBot: Adam Langley <agl@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Adam Langley <agl@golang.org>
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