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Doing this because the slices functions are slightly faster and
slightly easier to use. It also removes one dependency layer.
This CL does not change packages that are used during bootstrap,
as the bootstrap compiler does not have the required slices functions.
It does not change the go/scanner package because the ErrorList
Len, Swap, and Less methods are part of the Go 1 API.
Change-Id: If52899be791c829198e11d2408727720b91ebe8a
Reviewed-on: https://go-review.googlesource.com/c/go/+/587655
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Commit-Queue: Ian Lance Taylor <iant@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
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"sais2.go" is regenerated by the command "go generate ./...".
Change-Id: I4307e9fa1f20ea59e3a0d4841dbb22e9cffefa5a
GitHub-Last-Rev: d285183e654fe412a3470e475fa1ea29e5973b78
GitHub-Pull-Request: golang/go#66376
Reviewed-on: https://go-review.googlesource.com/c/go/+/572198
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Robert Griesemer <gri@google.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Reviewed-by: David Chase <drchase@google.com>
Commit-Queue: Ian Lance Taylor <iant@golang.org>
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Change-Id: Ic6397348108f00fc88b59b259169bd98daceba3a
Reviewed-on: https://go-review.googlesource.com/c/go/+/535085
Run-TryBot: shuang cui <imcusg@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Run 'unconvert -safe -apply' (https://github.com/mdempsky/unconvert)
Change-Id: I24b7cd7d286cddce86431d8470d15c5f3f0d1106
GitHub-Last-Rev: 022e75384c08bb899a8951ba0daffa0f2e14d5a7
GitHub-Pull-Request: golang/go#62662
Reviewed-on: https://go-review.googlesource.com/c/go/+/528696
Auto-Submit: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
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Fixes the misuse of "a" vs "an", according to English grammatical
expectations and using https://www.a-or-an.com/
Change-Id: I53ac724070e3ff3d33c304483fe72c023c7cda47
Reviewed-on: https://go-review.googlesource.com/c/go/+/480536
Run-TryBot: shuang cui <imcusg@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
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[This CL is part of a sequence implementing the proposal #51082.
The design doc is at https://go.dev/s/godocfmt-design.]
Run the updated gofmt, which reformats doc comments,
on the main repository. Vendored files are excluded.
For #51082.
Change-Id: I7332f099b60f716295fb34719c98c04eb1a85407
Reviewed-on: https://go-review.googlesource.com/c/go/+/384268
Reviewed-by: Jonathan Amsterdam <jba@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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A future change to gofmt will rewrite
// Doc comment.
//
func f()
to
// Doc comment.
func f()
Apply that change preemptively to all doc comments.
For #51082.
Change-Id: I4023e16cfb0729b64a8590f071cd92f17343081d
Reviewed-on: https://go-review.googlesource.com/c/go/+/384259
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
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Change-Id: I7dfae0fc91c2d70873ec7ec920be7c0a4888153a
Reviewed-on: https://go-review.googlesource.com/c/go/+/390175
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
Trust: Daniel Martí <mvdan@mvdan.cc>
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When these packages are released as part of Go 1.18,
Go 1.16 will no longer be supported, so we can remove
the +build tags in these files.
Ran go fix -fix=buildtag std cmd and then reverted the bootstrapDirs
as defined in src/cmd/dist/buildtool.go, which need to continue
to build with Go 1.4 for now.
Also reverted src/vendor and src/cmd/vendor, which will need
to be updated in their own repos first.
Manual changes in runtime/pprof/mprof_test.go to adjust line numbers.
For #41184.
Change-Id: Ic0f93f7091295b6abc76ed5cd6e6746e1280861e
Reviewed-on: https://go-review.googlesource.com/c/go/+/344955
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
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Make all our package sources use Go 1.17 gofmt format
(adding //go:build lines).
Part of //go:build change (#41184).
See https://golang.org/design/draft-gobuild
Change-Id: Ia0534360e4957e58cd9a18429c39d0e32a6addb4
Reviewed-on: https://go-review.googlesource.com/c/go/+/294430
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Jason A. Donenfeld <Jason@zx2c4.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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As part of #42026, these helpers from io/ioutil were moved to os.
(ioutil.TempFile and TempDir became os.CreateTemp and MkdirTemp.)
Update the Go tree to use the preferred names.
As usual, code compiled with the Go 1.4 bootstrap toolchain
and code vendored from other sources is excluded.
ReadDir changes are in a separate CL, because they are not a
simple search and replace.
For #42026.
Change-Id: If318df0216d57e95ea0c4093b89f65e5b0ababb3
Reviewed-on: https://go-review.googlesource.com/c/go/+/266365
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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Now that filepath.WalkDir is available, it is more efficient
and should be used in place of filepath.Walk.
Update the tree to reflect best practices.
As usual, the code compiled with Go 1.4 during bootstrap is excluded.
(In this CL, that's only cmd/dist.)
For #42027.
Change-Id: Ib0f7b1e43e50b789052f9835a63ced701d8c411c
Reviewed-on: https://go-review.googlesource.com/c/go/+/267719
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Rob Pike <r@golang.org>
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The old os references are still valid, but update our code
to reflect best practices and get used to the new locations.
Code compiled with the bootstrap toolchain
(cmd/asm, cmd/dist, cmd/compile, debug/elf)
must remain Go 1.4-compatible and is excluded.
For #41190.
Change-Id: I8f9526977867c10a221e2f392f78d7dec073f1bd
Reviewed-on: https://go-review.googlesource.com/c/go/+/243907
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Rob Pike <r@golang.org>
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This CL changes the index/suffixarray construction algorithm from QSufSort to SAIS.
For an N-byte input, QSufSort runs in O(N log N) time and requires
an N-int temporary work space in addition to the N-int output.
In contrast, SAIS runs in O(N) time and, for essentially all real inputs,
is able to use the N-int output buffer as its temporary work space.
(In pathological cases, SAIS must allocate a temporary work space of
at most N/2 ints. There exist more complex variants that guarantee
to avoid the work space in all cases, but they hardly seem worth the cost
given how rare these pathological cases are.)
The SAIS code therefore uses 50% of the memory across the board.
It also runs 3-10X faster on real input text.
This CL also adds more extensive algorithmic tests, including an
exhaustive test over small inputs to catch corner case problems.
name old speed new speed delta
New/text=opticks/size=100K/bits=32-12 6.15MB/s ± 1% 26.79MB/s ± 1% +335.89% (p=0.008 n=5+5)
New/text=opticks/size=100K/bits=64-12 5.90MB/s ± 2% 27.29MB/s ± 2% +362.23% (p=0.008 n=5+5)
New/text=opticks/size=500K/bits=32-12 4.99MB/s ± 3% 25.37MB/s ± 2% +408.01% (p=0.008 n=5+5)
New/text=opticks/size=500K/bits=64-12 4.88MB/s ± 1% 25.66MB/s ± 4% +425.52% (p=0.008 n=5+5)
New/text=go/size=100K/bits=32-12 5.81MB/s ± 1% 26.49MB/s ± 2% +355.85% (p=0.008 n=5+5)
New/text=go/size=100K/bits=64-12 5.76MB/s ± 2% 26.65MB/s ± 3% +362.60% (p=0.008 n=5+5)
New/text=go/size=500K/bits=32-12 4.91MB/s ± 1% 25.12MB/s ± 2% +411.86% (p=0.008 n=5+5)
New/text=go/size=500K/bits=64-12 4.83MB/s ± 2% 25.79MB/s ± 2% +434.44% (p=0.008 n=5+5)
New/text=go/size=1M/bits=32-12 4.62MB/s ± 2% 24.87MB/s ± 2% +438.78% (p=0.008 n=5+5)
New/text=go/size=1M/bits=64-12 4.39MB/s ± 2% 24.61MB/s ± 2% +460.68% (p=0.008 n=5+5)
New/text=go/size=5M/bits=32-12 2.85MB/s ± 2% 24.78MB/s ± 7% +768.33% (p=0.008 n=5+5)
New/text=go/size=5M/bits=64-12 2.28MB/s ± 1% 18.70MB/s ± 7% +719.63% (p=0.008 n=5+5)
New/text=go/size=10M/bits=32-12 2.08MB/s ± 1% 21.04MB/s ± 6% +909.60% (p=0.008 n=5+5)
New/text=go/size=10M/bits=64-12 1.83MB/s ± 1% 16.64MB/s ± 2% +809.18% (p=0.008 n=5+5)
New/text=go/size=50M/bits=32-12 1.51MB/s ± 0% 10.58MB/s ± 1% +602.52% (p=0.008 n=5+5)
New/text=go/size=50M/bits=64-12 1.34MB/s ± 4% 9.00MB/s ± 1% +569.35% (p=0.008 n=5+5)
New/text=zero/size=100K/bits=32-12 4.17MB/s ± 0% 157.56MB/s ± 1% +3678.42% (p=0.016 n=4+5)
New/text=zero/size=100K/bits=64-12 4.19MB/s ± 2% 162.72MB/s ± 2% +3783.63% (p=0.008 n=5+5)
New/text=zero/size=500K/bits=32-12 3.72MB/s ± 5% 159.17MB/s ± 1% +4176.57% (p=0.008 n=5+5)
New/text=zero/size=500K/bits=64-12 3.77MB/s ± 3% 164.95MB/s ± 4% +4277.60% (p=0.008 n=5+5)
New/text=zero/size=1M/bits=32-12 3.46MB/s ± 3% 158.42MB/s ± 1% +4476.08% (p=0.008 n=5+5)
New/text=zero/size=1M/bits=64-12 3.41MB/s ± 4% 163.70MB/s ± 2% +4700.65% (p=0.008 n=5+5)
New/text=zero/size=5M/bits=32-12 3.12MB/s ± 2% 151.92MB/s ± 4% +4775.48% (p=0.008 n=5+5)
New/text=zero/size=5M/bits=64-12 3.09MB/s ± 2% 166.19MB/s ± 2% +5274.84% (p=0.008 n=5+5)
New/text=zero/size=10M/bits=32-12 2.97MB/s ± 1% 157.75MB/s ± 1% +5211.38% (p=0.008 n=5+5)
New/text=zero/size=10M/bits=64-12 2.92MB/s ± 1% 162.75MB/s ± 2% +5473.77% (p=0.008 n=5+5)
New/text=zero/size=50M/bits=32-12 2.67MB/s ± 1% 144.43MB/s ± 5% +5305.39% (p=0.008 n=5+5)
New/text=zero/size=50M/bits=64-12 2.61MB/s ± 1% 125.19MB/s ± 2% +4700.33% (p=0.016 n=5+4)
New/text=rand/size=100K/bits=32-12 8.69MB/s ± 6% 27.60MB/s ± 1% +217.73% (p=0.008 n=5+5)
New/text=rand/size=100K/bits=64-12 8.92MB/s ± 1% 26.37MB/s ± 4% +195.50% (p=0.008 n=5+5)
New/text=rand/size=500K/bits=32-12 7.11MB/s ± 2% 25.23MB/s ± 2% +254.78% (p=0.008 n=5+5)
New/text=rand/size=500K/bits=64-12 7.08MB/s ± 1% 25.45MB/s ± 2% +259.56% (p=0.008 n=5+5)
New/text=rand/size=1M/bits=32-12 6.45MB/s ± 2% 24.47MB/s ± 3% +279.11% (p=0.008 n=5+5)
New/text=rand/size=1M/bits=64-12 6.09MB/s ± 4% 23.00MB/s ± 4% +277.85% (p=0.008 n=5+5)
New/text=rand/size=5M/bits=32-12 3.68MB/s ± 3% 10.34MB/s ± 5% +181.08% (p=0.008 n=5+5)
New/text=rand/size=5M/bits=64-12 3.25MB/s ± 1% 6.23MB/s ± 1% +91.93% (p=0.008 n=5+5)
New/text=rand/size=10M/bits=32-12 3.03MB/s ± 1% 5.61MB/s ± 2% +85.28% (p=0.008 n=5+5)
New/text=rand/size=10M/bits=64-12 2.80MB/s ± 1% 4.29MB/s ± 2% +53.40% (p=0.008 n=5+5)
New/text=rand/size=50M/bits=32-12 2.11MB/s ± 0% 2.45MB/s ± 1% +16.23% (p=0.029 n=4+4)
New/text=rand/size=50M/bits=64-12 2.04MB/s ± 1% 2.24MB/s ± 1% +10.03% (p=0.016 n=5+4)
SaveRestore/bits=32-12 327MB/s ± 5% 319MB/s ± 2% ~ (p=0.310 n=5+5)
SaveRestore/bits=64-12 306MB/s ± 3% 306MB/s ± 2% ~ (p=0.841 n=5+5)
name old alloc/op new alloc/op delta
New/text=opticks/size=100K/bits=32-12 811kB ± 0% 401kB ± 0% -50.51% (p=0.008 n=5+5)
New/text=opticks/size=100K/bits=64-12 1.62MB ± 0% 0.80MB ± 0% -50.51% (p=0.008 n=5+5)
New/text=opticks/size=500K/bits=32-12 4.04MB ± 0% 2.01MB ± 0% -50.37% (p=0.008 n=5+5)
New/text=opticks/size=500K/bits=64-12 8.07MB ± 0% 4.01MB ± 0% -50.36% (p=0.016 n=4+5)
New/text=go/size=100K/bits=32-12 811kB ± 0% 401kB ± 0% ~ (p=0.079 n=4+5)
New/text=go/size=100K/bits=64-12 1.62MB ± 0% 0.80MB ± 0% -50.50% (p=0.008 n=5+5)
New/text=go/size=500K/bits=32-12 4.04MB ± 0% 2.01MB ± 0% ~ (p=0.079 n=4+5)
New/text=go/size=500K/bits=64-12 8.07MB ± 0% 4.01MB ± 0% -50.36% (p=0.000 n=4+5)
New/text=go/size=1M/bits=32-12 8.07MB ± 0% 4.01MB ± 0% -50.36% (p=0.008 n=5+5)
New/text=go/size=1M/bits=64-12 16.1MB ± 0% 8.0MB ± 0% -50.36% (p=0.008 n=5+5)
New/text=go/size=5M/bits=32-12 40.2MB ± 0% 20.0MB ± 0% -50.18% (p=0.008 n=5+5)
New/text=go/size=5M/bits=64-12 80.3MB ± 0% 40.0MB ± 0% -50.18% (p=0.008 n=5+5)
New/text=go/size=10M/bits=32-12 80.2MB ± 0% 40.0MB ± 0% -50.09% (p=0.000 n=5+4)
New/text=go/size=10M/bits=64-12 160MB ± 0% 80MB ± 0% -50.09% (p=0.000 n=5+4)
New/text=go/size=50M/bits=32-12 402MB ± 0% 200MB ± 0% -50.29% (p=0.000 n=5+4)
New/text=go/size=50M/bits=64-12 805MB ± 0% 400MB ± 0% -50.29% (p=0.000 n=5+4)
New/text=zero/size=100K/bits=32-12 1.46MB ± 0% 0.40MB ± 0% -72.46% (p=0.008 n=5+5)
New/text=zero/size=100K/bits=64-12 3.02MB ± 0% 0.80MB ± 0% -73.45% (p=0.008 n=5+5)
New/text=zero/size=500K/bits=32-12 8.66MB ± 0% 2.01MB ± 0% ~ (p=0.079 n=4+5)
New/text=zero/size=500K/bits=64-12 19.7MB ± 0% 4.0MB ± 0% -79.63% (p=0.008 n=5+5)
New/text=zero/size=1M/bits=32-12 19.7MB ± 0% 4.0MB ± 0% ~ (p=0.079 n=4+5)
New/text=zero/size=1M/bits=64-12 39.0MB ± 0% 8.0MB ± 0% -79.48% (p=0.000 n=5+4)
New/text=zero/size=5M/bits=32-12 85.2MB ± 0% 20.0MB ± 0% -76.52% (p=0.008 n=5+5)
New/text=zero/size=5M/bits=64-12 169MB ± 0% 40MB ± 0% -76.27% (p=0.008 n=5+5)
New/text=zero/size=10M/bits=32-12 169MB ± 0% 40MB ± 0% -76.26% (p=0.000 n=5+4)
New/text=zero/size=10M/bits=64-12 333MB ± 0% 80MB ± 0% -75.99% (p=0.008 n=5+5)
New/text=zero/size=50M/bits=32-12 739MB ± 0% 200MB ± 0% -72.93% (p=0.000 n=4+5)
New/text=zero/size=50M/bits=64-12 1.63GB ± 0% 0.40GB ± 0% -75.42% (p=0.008 n=5+5)
New/text=rand/size=100K/bits=32-12 807kB ± 0% 401kB ± 0% -50.25% (p=0.008 n=5+5)
New/text=rand/size=100K/bits=64-12 1.61MB ± 0% 0.80MB ± 0% -50.25% (p=0.008 n=5+5)
New/text=rand/size=500K/bits=32-12 4.04MB ± 0% 2.01MB ± 0% ~ (p=0.079 n=4+5)
New/text=rand/size=500K/bits=64-12 8.07MB ± 0% 4.01MB ± 0% ~ (p=0.079 n=4+5)
New/text=rand/size=1M/bits=32-12 8.07MB ± 0% 4.01MB ± 0% -50.36% (p=0.000 n=5+4)
New/text=rand/size=1M/bits=64-12 16.1MB ± 0% 8.0MB ± 0% -50.36% (p=0.008 n=5+5)
New/text=rand/size=5M/bits=32-12 40.3MB ± 0% 20.0MB ± 0% -50.35% (p=0.029 n=4+4)
New/text=rand/size=5M/bits=64-12 80.7MB ± 0% 40.0MB ± 0% ~ (p=0.079 n=4+5)
New/text=rand/size=10M/bits=32-12 80.7MB ± 0% 40.0MB ± 0% -50.41% (p=0.008 n=5+5)
New/text=rand/size=10M/bits=64-12 161MB ± 0% 80MB ± 0% -50.44% (p=0.029 n=4+4)
New/text=rand/size=50M/bits=32-12 403MB ± 0% 200MB ± 0% -50.36% (p=0.000 n=5+4)
New/text=rand/size=50M/bits=64-12 806MB ± 0% 400MB ± 0% ~ (p=0.079 n=4+5)
SaveRestore/bits=32-12 5.28MB ± 0% 5.28MB ± 0% ~ (p=1.000 n=5+5)
SaveRestore/bits=64-12 9.47MB ± 0% 9.47MB ± 0% ~ (p=0.286 n=5+5)
https://perf.golang.org/search?q=upload:20190426.1
Fixes #15480.
Change-Id: I0790f6edf67f5a9c02b4462632b4942e0c37988b
Reviewed-on: https://go-review.googlesource.com/c/go/+/174100
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Eric Roshan-Eisner <edre@google.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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The original index/suffixarray used 32-bit ints on 64-bit machines,
because that's what 'int' meant in Go at the time. When we changed
the meaning of int, that doubled the space overhead of suffix arrays
for all uses, even though the vast majority of them describe less
than 2 GB of text.
The space overhead of a suffix array compared to the text is not
insignificant: there's a big difference for many uses between 4X and 8X.
This CL adjusts names in qsufsort.go so that a global search and
replace s/32/64/g produces a working 64-bit implementation,
and then it modifies suffixarray.go to choose between the 32-bit
and 64-bit implementation as appropriate depending on the input size.
The 64-bit implementation is generated by 'go generate'.
This CL also restructures the benchmarks, to test different
input sizes, different input texts, and 32-bit vs 64-bit.
The serialized form uses varint-encoded numbers and is unchanged,
so on-disk suffix arrays written by older versions of Go will be
readable by this version, and vice versa.
The 32-bit version runs a up to 17% faster than the 64-bit version
on real inputs, but more importantly it uses 50% less memory.
I have a followup CL that also implements a faster algorithm
on top of these improvements, but these are a good first step.
name 64-bit speed 32-bit speed delta
New/text=opticks/size=100K/bits=*-12 4.44MB/s ± 0% 4.64MB/s ± 0% +4.41% (p=0.008 n=5+5)
New/text=opticks/size=500K/bits=*-12 3.70MB/s ± 1% 3.82MB/s ± 0% +3.30% (p=0.008 n=5+5)
New/text=go/size=100K/bits=*-12 4.40MB/s ± 0% 4.61MB/s ± 0% +4.82% (p=0.008 n=5+5)
New/text=go/size=500K/bits=*-12 3.66MB/s ± 0% 3.77MB/s ± 0% +3.01% (p=0.016 n=4+5)
New/text=go/size=1M/bits=*-12 3.29MB/s ± 0% 3.55MB/s ± 0% +7.90% (p=0.016 n=5+4)
New/text=go/size=5M/bits=*-12 2.25MB/s ± 1% 2.65MB/s ± 0% +17.81% (p=0.008 n=5+5)
New/text=go/size=10M/bits=*-12 1.82MB/s ± 0% 2.09MB/s ± 1% +14.36% (p=0.008 n=5+5)
New/text=go/size=50M/bits=*-12 1.35MB/s ± 0% 1.51MB/s ± 1% +12.33% (p=0.008 n=5+5)
New/text=zero/size=100K/bits=*-12 3.42MB/s ± 0% 3.32MB/s ± 0% -2.74% (p=0.000 n=5+4)
New/text=zero/size=500K/bits=*-12 3.00MB/s ± 1% 2.97MB/s ± 0% -1.13% (p=0.016 n=5+4)
New/text=zero/size=1M/bits=*-12 2.81MB/s ± 0% 2.78MB/s ± 2% ~ (p=0.167 n=5+5)
New/text=zero/size=5M/bits=*-12 2.46MB/s ± 0% 2.53MB/s ± 0% +3.18% (p=0.008 n=5+5)
New/text=zero/size=10M/bits=*-12 2.35MB/s ± 0% 2.42MB/s ± 0% +2.98% (p=0.016 n=4+5)
New/text=zero/size=50M/bits=*-12 2.12MB/s ± 0% 2.18MB/s ± 0% +3.02% (p=0.008 n=5+5)
New/text=rand/size=100K/bits=*-12 6.98MB/s ± 0% 7.22MB/s ± 0% +3.38% (p=0.016 n=4+5)
New/text=rand/size=500K/bits=*-12 5.53MB/s ± 0% 5.64MB/s ± 0% +1.92% (p=0.008 n=5+5)
New/text=rand/size=1M/bits=*-12 4.62MB/s ± 1% 5.06MB/s ± 0% +9.61% (p=0.008 n=5+5)
New/text=rand/size=5M/bits=*-12 3.09MB/s ± 0% 3.43MB/s ± 0% +10.94% (p=0.016 n=4+5)
New/text=rand/size=10M/bits=*-12 2.68MB/s ± 0% 2.95MB/s ± 0% +10.39% (p=0.008 n=5+5)
New/text=rand/size=50M/bits=*-12 1.92MB/s ± 0% 2.06MB/s ± 1% +7.41% (p=0.008 n=5+5)
SaveRestore/bits=*-12 243MB/s ± 1% 259MB/s ± 0% +6.68% (p=0.000 n=9+10)
name 64-bit alloc/op 32-bit alloc/op delta
New/text=opticks/size=100K/bits=*-12 1.62MB ± 0% 0.81MB ± 0% -50.00% (p=0.000 n=5+4)
New/text=opticks/size=500K/bits=*-12 8.07MB ± 0% 4.04MB ± 0% -49.89% (p=0.008 n=5+5)
New/text=go/size=100K/bits=*-12 1.62MB ± 0% 0.81MB ± 0% -50.00% (p=0.008 n=5+5)
New/text=go/size=500K/bits=*-12 8.07MB ± 0% 4.04MB ± 0% -49.89% (p=0.029 n=4+4)
New/text=go/size=1M/bits=*-12 16.1MB ± 0% 8.1MB ± 0% -49.95% (p=0.008 n=5+5)
New/text=go/size=5M/bits=*-12 80.3MB ± 0% 40.2MB ± 0% ~ (p=0.079 n=4+5)
New/text=go/size=10M/bits=*-12 160MB ± 0% 80MB ± 0% -50.00% (p=0.008 n=5+5)
New/text=go/size=50M/bits=*-12 805MB ± 0% 402MB ± 0% -50.06% (p=0.029 n=4+4)
New/text=zero/size=100K/bits=*-12 3.02MB ± 0% 1.46MB ± 0% ~ (p=0.079 n=4+5)
New/text=zero/size=500K/bits=*-12 19.7MB ± 0% 8.7MB ± 0% -55.98% (p=0.008 n=5+5)
New/text=zero/size=1M/bits=*-12 39.0MB ± 0% 19.7MB ± 0% -49.60% (p=0.000 n=5+4)
New/text=zero/size=5M/bits=*-12 169MB ± 0% 85MB ± 0% -49.46% (p=0.029 n=4+4)
New/text=zero/size=10M/bits=*-12 333MB ± 0% 169MB ± 0% -49.43% (p=0.000 n=5+4)
New/text=zero/size=50M/bits=*-12 1.63GB ± 0% 0.74GB ± 0% -54.61% (p=0.008 n=5+5)
New/text=rand/size=100K/bits=*-12 1.61MB ± 0% 0.81MB ± 0% -50.00% (p=0.000 n=5+4)
New/text=rand/size=500K/bits=*-12 8.07MB ± 0% 4.04MB ± 0% -49.89% (p=0.000 n=5+4)
New/text=rand/size=1M/bits=*-12 16.1MB ± 0% 8.1MB ± 0% -49.95% (p=0.029 n=4+4)
New/text=rand/size=5M/bits=*-12 80.7MB ± 0% 40.3MB ± 0% -50.06% (p=0.008 n=5+5)
New/text=rand/size=10M/bits=*-12 161MB ± 0% 81MB ± 0% -50.03% (p=0.008 n=5+5)
New/text=rand/size=50M/bits=*-12 806MB ± 0% 403MB ± 0% -50.00% (p=0.016 n=4+5)
SaveRestore/bits=*-12 9.47MB ± 0% 5.28MB ± 0% -44.29% (p=0.000 n=9+8)
https://perf.golang.org/search?q=upload:20190126.1+|+bits:64+vs+bits:32
Fixes #6816.
Change-Id: Ied2fbea519a202ecc43719debcd233344ce38847
Reviewed-on: https://go-review.googlesource.com/c/go/+/174097
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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Change-Id: Ibdd1ca7bfc6fb2419621338f1f8e37c876ba89c0
Reviewed-on: https://go-review.googlesource.com/114976
Reviewed-by: Alberto Donizetti <alb.donizetti@gmail.com>
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Updates #16360
Change-Id: Idd8523b5a9a496ebd9c6e3b89c30df539842a139
Reviewed-on: https://go-review.googlesource.com/27433
Reviewed-by: C Cirello <uldericofilho@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
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Preparation was in CL 134570043.
This CL contains only the effect of 'hg mv src/pkg/* src'.
For more about the move, see golang.org/s/go14nopkg.
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