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Commit Graph

60923 Commits

Author SHA1 Message Date
Joel Sing
f490a8d8fa cmd/compile/internal/ssagen: improve intrinsic test
Now that we can pass configuration to initIntrinsics, clean up the
intrinsic test and always enable power10. Additionally, provide an
-update flag that prints out updated golden values.

Change-Id: Ibfef339d513a4d67d53a5a310a82165592ca338f
Reviewed-on: https://go-review.googlesource.com/c/go/+/607055
Reviewed-by: David Chase <drchase@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
2024-08-27 14:34:47 +00:00
Joel Sing
dff15aa610 cmd/compile/internal/ssagen: provide intrinsicBuilders
Create an intrinsicBuilders type that has functions for adding and
looking up intrinsics. This makes the implementation more self contained,
readable and testable. Additionally, pass an *intrinsicBuildConfig to
initIntrinsics to improve testability without needing to modify package
level variables.

Change-Id: I0ee0a19c192dd6da9f1c5f1c29b98a3ad8161fe2
Reviewed-on: https://go-review.googlesource.com/c/go/+/605478
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Joel Sing <joel@sing.id.au>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Keith Randall <khr@golang.org>
2024-08-27 14:27:25 +00:00
qmuntal
5d82dbb59c os/user: test that Current does not depend on netapi32.dll
Updates #21867.

Change-Id: I1eb923ef66aa0f338bfa0d683159edc1d8ae2a6c
Reviewed-on: https://go-review.googlesource.com/c/go/+/604415
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
2024-08-27 13:21:49 +00:00
Keith Randall
36b45bca66 cmd/compile: regalloc: drop values that aren't used until after a call
No point in keeping values in registers when their next use is after
a call, as we'd have to spill/restore them anyway.

cmd/go is 0.1% smaller.

Fixes #59297

Change-Id: I10ee761d0d23229f57de278f734c44d6a8dccd6c
Reviewed-on: https://go-review.googlesource.com/c/go/+/509255
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
2024-08-26 22:29:43 +00:00
Michael Matloob
a7689a0134 cmd/go: avoid making some paths relative in go work use
filepath.Rel can sometimes return the a relative path that doesn't work.
If the basepath contains a symlink as a path component, and the targpath
does not exist with the directory pointed to by the innermost symlink,
the relative path can "cross" the symlink. The issue is that for the
return value for filepath.Rel to be correct, the ".." components of the
relative path would need to be collapsed before the symlinks are
expanded, but it was verified by doing local testing that the opposite
is true.

go work use (and cmd/go/internal/modload.ReadModFile) both try to
shorten absolute path arguments to relative paths from the working
directory (for better error messages, for instance). Avoid doing so when
the relative path could be wrong using a more conservative rule than the
above: if expanding the symlinks in the current directory produces a
different result, and the relative path we'd return starts with ".." and
then the path separator.

Fixes #68383

Change-Id: I0a6202be672484d4000fc753c69f2165615f3f72
Reviewed-on: https://go-review.googlesource.com/c/go/+/603136
TryBot-Bypass: Michael Matloob <matloob@golang.org>
Reviewed-by: Sam Thanawalla <samthanawalla@google.com>
Reviewed-by: Robert Findley <rfindley@google.com>
Run-TryBot: Michael Matloob <matloob@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2024-08-26 21:50:54 +00:00
Tim King
bd3bb5adf9 go/internal/gcimporter: parse materialized aliases
Parse materialized aliases in indexed format.

This was in https://go.dev/cl/574717 in x/tools.

Updates #68778

Change-Id: I2f0871aeb5a2e74c803176001f178757766a4a0a
Reviewed-on: https://go-review.googlesource.com/c/go/+/607498
Reviewed-by: David Chase <drchase@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2024-08-26 21:03:19 +00:00
goto1134
7f05a255a0 cmd/go: scale go list with GOMAXPROCS
Benchmark from the go-list-benchmark branch shows the following result:

goos: darwin
goarch: arm64
pkg: cmd/go
cpu: Apple M1 Max
                     │   old.txt   │               new.txt               │
                     │   sec/op    │   sec/op     vs base                │
ListModules/Empty-10   7.768m ± 5%   7.768m ± 6%        ~ (p=0.989 n=20)
ListModules/Cmd-10     272.3m ± 2%   137.8m ± 2%  -49.40% (p=0.000 n=20)
ListModules/K8S-10     10.741 ± 2%    2.525 ± 5%  -76.49% (p=0.000 n=20)
geomean                283.2m        139.3m       -50.82%

                     │   old.txt    │               new.txt               │
                     │  sys-sec/op  │  sys-sec/op   vs base               │
ListModules/Empty-10   2.380m ±  9%   2.443m ±  9%       ~ (p=0.314 n=20)
ListModules/Cmd-10     51.84m ± 13%   47.27m ± 14%       ~ (p=0.289 n=20)
ListModules/K8S-10      1.660 ±  8%    1.485 ± 28%       ~ (p=0.512 n=20)
geomean                58.95m         55.56m        -5.75%

                     │   old.txt    │               new.txt                │
                     │ user-sec/op  │ user-sec/op   vs base                │
ListModules/Empty-10   3.034m ±  4%   3.053m ±  3%        ~ (p=0.445 n=20)
ListModules/Cmd-10     18.01m ± 11%   15.39m ±  5%  -14.55% (p=0.000 n=20)
ListModules/K8S-10     407.6m ± 11%   209.2m ± 49%  -48.67% (p=0.000 n=20)
geomean                28.13m         21.42m        -23.86%

Fixes #63136

Change-Id: Ifd406a52494eb37430306ee1f29a8bf5c1973007
GitHub-Last-Rev: eba40c944e
GitHub-Pull-Request: golang/go#63137
Reviewed-on: https://go-review.googlesource.com/c/go/+/530037
Reviewed-by: Sam Thanawalla <samthanawalla@google.com>
Reviewed-by: qiu laidongfeng2 <2645477756@qq.com>
Reviewed-by: Michael Matloob <matloob@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2024-08-26 20:23:00 +00:00
Cuong Manh Le
5de9811f37 cmd/compile: deprecate derived info needed field
This field is unused since shape-based stenciling was added for Unified
IR (CL 421821). The derived types information is now explicitly using
derived-type dictionaries (CL 331829).

This CL follows the pattern used in CL 606035.

Updates #68778

Change-Id: Ie784b6443c0a651854bfbcebb8a5166b1481408b
Reviewed-on: https://go-review.googlesource.com/c/go/+/608216
Reviewed-by: Robert Griesemer <gri@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Tim King <taking@google.com>
2024-08-26 17:46:56 +00:00
Cuong Manh Le
c586dbb8b7 internal/pkgbits: add DerivedInfoNeeded
So next CL can use it to remove unnecessary derivedInfo needed field.

Updates #68778

Change-Id: Ia4e0f638beaf4a448fbf10a9aa1bc9425349a5e8
Reviewed-on: https://go-review.googlesource.com/c/go/+/608215
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Tim King <taking@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2024-08-26 17:46:52 +00:00
Paul E. Murphy
2b0a157d68 cmd/compile: intrinsify math.MulUintptr on PPC64
This can be done efficiently with few instructions.

This also adds MULHDUCC for further codegen improvement.

Change-Id: I06320ba4383a679341b911a237a360ef07b19168
Reviewed-on: https://go-review.googlesource.com/c/go/+/605975
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Archana Ravindar <aravinda@redhat.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
2024-08-26 17:02:43 +00:00
Kevin Z
7c7d6d31f3 internal/runtime/sys: fix typo in comment
just removed a single byte :)

Change-Id: Icd734f9f8f22b2ed0d9d0125d18b6d291bb14cd6
GitHub-Last-Rev: 93c0fd00d8
GitHub-Pull-Request: golang/go#69056
Reviewed-on: https://go-review.googlesource.com/c/go/+/607878
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
2024-08-26 15:51:49 +00:00
Jes Cok
96d8ff00c2 bytes: fix a typo
Change-Id: Iecbfe986da386b5c9b8c366904f659acc8f34cfc
GitHub-Last-Rev: ed6c744bbd
GitHub-Pull-Request: golang/go#69039
Reviewed-on: https://go-review.googlesource.com/c/go/+/608015
Reviewed-by: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
2024-08-24 00:51:40 +00:00
Nic Klaassen
08707d66c3 database/sql: fix panic with concurrent Conn and Close
The current implementation has a panic when the database is closed
concurrently with a new connection attempt.

connRequestSet.CloseAndRemoveAll sets connRequestSet.s to a nil slice.
If this happens between calls to connRequestSet.Add and
connRequestSet.Delete, there is a panic when trying to write to the nil
slice. This is sequence is likely to occur in DB.conn, where the mutex
is released between calls to db.connRequests.Add and
db.connRequests.Delete

This change updates connRequestSet.CloseAndRemoveAll to set the curIdx
to -1 for all pending requests before setting its internal slice to nil.
CloseAndRemoveAll already iterates the full slice to close all the request
channels. It seems appropriate to set curIdx to -1 before deleting the
slice for 3 reasons:
1. connRequestSet.deleteIndex also sets curIdx to -1
2. curIdx will not be relevant to anything after the slice is set to nil
3. connRequestSet.Delete already checks for negative indices

Fixes #68949

Change-Id: I6b7ebc5a71b67322908271d13865fa12f2469b87
GitHub-Last-Rev: 7d2669155b
GitHub-Pull-Request: golang/go#68953
Reviewed-on: https://go-review.googlesource.com/c/go/+/607238
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Commit-Queue: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
2024-08-24 00:26:08 +00:00
Tim King
3b36d92c96 cmd/compile/internal: write type parameters for aliases
Writes the field for type parameter names for aliases when
the bitstream is >= V2.

This is a no-op at the moment as the writer is hardwired to V1.

Updates #68778

Change-Id: I5887e3608239b9a6a47e3cc21cacb75b84e1d186
Reviewed-on: https://go-review.googlesource.com/c/go/+/607235
Reviewed-by: David Chase <drchase@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
2024-08-23 19:22:02 +00:00
Joel Sing
02a9f51011 test/codegen: add initial codegen tests for integer min/max
Change-Id: I006370053748edbec930c7279ee88a805009aa0d
Reviewed-on: https://go-review.googlesource.com/c/go/+/606976
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Meng Zhuo <mengzhuo1203@gmail.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2024-08-23 15:17:17 +00:00
Paul E. Murphy
1e9c5bbc8a crypto/aes: add missing aes-gcm buffer overlap checks to PPC64
The tests added by CL 601778 highlighted missing buffer overlap
checks in the ppc64 specific aes-gcm implementation.

Fixes #69007

Change-Id: I80c3b5628c5079cfed2c3dace7298512c16a8f46
Reviewed-on: https://go-review.googlesource.com/c/go/+/607519
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
2024-08-23 15:12:31 +00:00
Joel Sing
2cee5d8109 math/big: implement addMulVVW in riscv64 assembly
This provides an assembly implementation of addMulVVW for riscv64,
processing up to four words per loop, resulting in a significant
performance gain.

On a StarFive VisionFive 2:

                   │ addmulvvw.1  │             addmulvvw.2             │
                   │    sec/op    │   sec/op     vs base                │
AddMulVVW/1-4         65.49n ± 0%   50.79n ± 0%  -22.44% (p=0.000 n=10)
AddMulVVW/2-4         82.81n ± 0%   66.83n ± 0%  -19.29% (p=0.000 n=10)
AddMulVVW/3-4        100.20n ± 0%   82.87n ± 0%  -17.30% (p=0.000 n=10)
AddMulVVW/4-4        117.50n ± 0%   84.20n ± 0%  -28.34% (p=0.000 n=10)
AddMulVVW/5-4         134.9n ± 0%   100.3n ± 0%  -25.69% (p=0.000 n=10)
AddMulVVW/10-4        221.7n ± 0%   164.4n ± 0%  -25.85% (p=0.000 n=10)
AddMulVVW/100-4       1.794µ ± 0%   1.250µ ± 0%  -30.32% (p=0.000 n=10)
AddMulVVW/1000-4      17.42µ ± 0%   12.08µ ± 0%  -30.68% (p=0.000 n=10)
AddMulVVW/10000-4     254.9µ ± 0%   214.8µ ± 0%  -15.75% (p=0.000 n=10)
AddMulVVW/100000-4    2.569m ± 0%   2.178m ± 0%  -15.20% (p=0.000 n=10)
geomean               1.443µ        1.107µ       -23.29%

                   │ addmulvvw.1  │              addmulvvw.2              │
                   │     B/s      │      B/s       vs base                │
AddMulVVW/1-4        932.0Mi ± 0%   1201.6Mi ± 0%  +28.93% (p=0.000 n=10)
AddMulVVW/2-4        1.440Gi ± 0%    1.784Gi ± 0%  +23.90% (p=0.000 n=10)
AddMulVVW/3-4        1.785Gi ± 0%    2.158Gi ± 0%  +20.87% (p=0.000 n=10)
AddMulVVW/4-4        2.029Gi ± 0%    2.832Gi ± 0%  +39.59% (p=0.000 n=10)
AddMulVVW/5-4        2.209Gi ± 0%    2.973Gi ± 0%  +34.55% (p=0.000 n=10)
AddMulVVW/10-4       2.689Gi ± 0%    3.626Gi ± 0%  +34.86% (p=0.000 n=10)
AddMulVVW/100-4      3.323Gi ± 0%    4.770Gi ± 0%  +43.54% (p=0.000 n=10)
AddMulVVW/1000-4     3.421Gi ± 0%    4.936Gi ± 0%  +44.27% (p=0.000 n=10)
AddMulVVW/10000-4    2.338Gi ± 0%    2.776Gi ± 0%  +18.69% (p=0.000 n=10)
AddMulVVW/100000-4   2.320Gi ± 0%    2.736Gi ± 0%  +17.93% (p=0.000 n=10)
geomean              2.109Gi         2.749Gi       +30.36%

Change-Id: I6c7ee48233c53ff9b6a5a9002675886cd9bff5af
Reviewed-on: https://go-review.googlesource.com/c/go/+/595400
Reviewed-by: Meng Zhuo <mengzhuo1203@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Mark Ryan <markdryan@rivosinc.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2024-08-23 10:41:28 +00:00
Joel Sing
86cd5c4034 math/big: implement mulAddVWW in riscv64 assembly
This provides an assembly implementation of mulAddVWW for riscv64,
processing up to four words per loop, resulting in a significant
performance gain.

On a StarFive VisionFive 2:

                   │ muladdvww.1  │             muladdvww.2             │
                   │    sec/op    │   sec/op     vs base                │
MulAddVWW/1-4         68.18n ± 0%   65.49n ± 0%   -3.95% (p=0.000 n=10)
MulAddVWW/2-4         82.81n ± 0%   78.85n ± 0%   -4.78% (p=0.000 n=10)
MulAddVWW/3-4         97.49n ± 0%   72.18n ± 0%  -25.96% (p=0.000 n=10)
MulAddVWW/4-4        112.20n ± 0%   85.54n ± 0%  -23.76% (p=0.000 n=10)
MulAddVWW/5-4        126.90n ± 0%   98.90n ± 0%  -22.06% (p=0.000 n=10)
MulAddVWW/10-4        200.3n ± 0%   144.3n ± 0%  -27.96% (p=0.000 n=10)
MulAddVWW/100-4      1532.0n ± 0%   860.0n ± 0%  -43.86% (p=0.000 n=10)
MulAddVWW/1000-4     14.757µ ± 0%   8.076µ ± 0%  -45.27% (p=0.000 n=10)
MulAddVWW/10000-4     204.0µ ± 0%   137.1µ ± 0%  -32.77% (p=0.000 n=10)
MulAddVWW/100000-4    2.066m ± 0%   1.382m ± 0%  -33.12% (p=0.000 n=10)
geomean               1.311µ        950.0n       -27.51%

                   │ muladdvww.1  │             muladdvww.2              │
                   │     B/s      │     B/s       vs base                │
MulAddVWW/1-4        895.1Mi ± 0%   932.0Mi ± 0%   +4.11% (p=0.000 n=10)
MulAddVWW/2-4        1.440Gi ± 0%   1.512Gi ± 0%   +5.02% (p=0.000 n=10)
MulAddVWW/3-4        1.834Gi ± 0%   2.477Gi ± 0%  +35.07% (p=0.000 n=10)
MulAddVWW/4-4        2.125Gi ± 0%   2.787Gi ± 0%  +31.15% (p=0.000 n=10)
MulAddVWW/5-4        2.349Gi ± 0%   3.013Gi ± 0%  +28.28% (p=0.000 n=10)
MulAddVWW/10-4       2.975Gi ± 0%   4.130Gi ± 0%  +38.79% (p=0.000 n=10)
MulAddVWW/100-4      3.891Gi ± 0%   6.930Gi ± 0%  +78.11% (p=0.000 n=10)
MulAddVWW/1000-4     4.039Gi ± 0%   7.380Gi ± 0%  +82.72% (p=0.000 n=10)
MulAddVWW/10000-4    2.922Gi ± 0%   4.346Gi ± 0%  +48.74% (p=0.000 n=10)
MulAddVWW/100000-4   2.884Gi ± 0%   4.313Gi ± 0%  +49.52% (p=0.000 n=10)
geomean              2.321Gi        3.202Gi       +37.95%

Change-Id: If08191607913ce5c7641f34bae8fa5c9dfb44777
Reviewed-on: https://go-review.googlesource.com/c/go/+/595399
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Mark Ryan <markdryan@rivosinc.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Meng Zhuo <mengzhuo1203@gmail.com>
2024-08-23 10:41:12 +00:00
Joel Sing
6d55a017fa crypto/sha256: provide optimised assembly for riscv64
Provide an optimised assembly implementation of sha256 for riscv64.
This results in considerable performance gains.

On a StarFive VisionFive 2:

                    │   sha256.1   │              sha256.2               │
                    │    sec/op    │   sec/op     vs base                │
Hash8Bytes/New-4       7.820µ ± 0%   5.193µ ± 0%  -33.59% (p=0.000 n=10)
Hash8Bytes/Sum224-4    7.918µ ± 0%   5.294µ ± 0%  -33.15% (p=0.000 n=10)
Hash8Bytes/Sum256-4    7.950µ ± 0%   5.320µ ± 0%  -33.08% (p=0.000 n=10)
Hash1K/New-4          108.03µ ± 0%   66.12µ ± 0%  -38.79% (p=0.000 n=10)
Hash1K/Sum224-4       108.12µ ± 0%   66.22µ ± 0%  -38.76% (p=0.000 n=10)
Hash1K/Sum256-4       108.15µ ± 0%   66.24µ ± 0%  -38.75% (p=0.000 n=10)
Hash8K/New-4           808.5µ ± 0%   493.0µ ± 0%  -39.02% (p=0.000 n=10)
Hash8K/Sum224-4        808.6µ ± 0%   493.1µ ± 0%  -39.02% (p=0.000 n=10)
Hash8K/Sum256-4        808.6µ ± 0%   493.1µ ± 0%  -39.02% (p=0.000 n=10)
geomean                88.37µ        55.61µ       -37.08%

                    │   sha256.1   │               sha256.2                │
                    │     B/s      │      B/s       vs base                │
Hash8Bytes/New-4      996.1Ki ± 0%   1503.9Ki ± 0%  +50.98% (p=0.000 n=10)
Hash8Bytes/Sum224-4   986.3Ki ± 0%   1474.6Ki ± 0%  +49.50% (p=0.000 n=10)
Hash8Bytes/Sum256-4   986.3Ki ± 0%   1464.8Ki ± 0%  +48.51% (p=0.000 n=10)
Hash1K/New-4          9.041Mi ± 0%   14.772Mi ± 0%  +63.40% (p=0.000 n=10)
Hash1K/Sum224-4       9.031Mi ± 0%   14.744Mi ± 0%  +63.25% (p=0.000 n=10)
Hash1K/Sum256-4       9.031Mi ± 0%   14.744Mi ± 0%  +63.25% (p=0.000 n=10)
Hash8K/New-4          9.661Mi ± 0%   15.850Mi ± 0%  +64.07% (p=0.000 n=10)
Hash8K/Sum224-4       9.661Mi ± 0%   15.841Mi ± 0%  +63.97% (p=0.000 n=10)
Hash8K/Sum256-4       9.661Mi ± 0%   15.841Mi ± 0%  +63.97% (p=0.000 n=10)
geomean               4.386Mi         6.966Mi       +58.85%

Change-Id: Ieead7b7c02291d70ddc472a7a8cf3c044c1da4b3
Reviewed-on: https://go-review.googlesource.com/c/go/+/519695
Reviewed-by: Mark Ryan <markdryan@rivosinc.com>
Reviewed-by: David Chase <drchase@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Meng Zhuo <mengzhuo1203@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
2024-08-23 10:40:41 +00:00
Kir Kolyshkin
b2f3a427dd os: improve Getwd documentation
1. Replace "rooted path name" with a more accurate "absolute path name".
Using "absolute" seems to be preferred terminology on Unix. On Windows,
there are multiple roots in Windows, thus "a rooted path name" can be
one relative to a drive letter or a server name. Note that Windows'
GetCurrentDirectory documentation [1] also says "the absolute path to the
current directory".

2. Add a note about using $PWD on Unix.

[1]: https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-getcurrentdirectory

Change-Id: Ic310f0f8776ff059544789306ae5cfa1fa267b12
Reviewed-on: https://go-review.googlesource.com/c/go/+/607615
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@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
2024-08-23 00:53:47 +00:00
Xiaolin Zhao
ea08952aa2 cmd/internal/obj/loong64: add support for instructions BSTRPICK.{W/D} and BSTRINS.{W/D}
Go asm syntax:
	BSTRPICK{W/V}	$msb, RJ, $lsb, RD
	BSTRINS{W/V}	$msb, RJ, $lsb, RD

Equivalent platform assembler syntax:
	bstrpick.{w/d}	rd, rj, $msb, $lsb
	bstrins.{w/d}	rd, rj, $msb, $lsb

Ref: https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html

Change-Id: I8b89b766ed22a96da7d8d5b2b2873382a49208de
Reviewed-on: https://go-review.googlesource.com/c/go/+/604735
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
2024-08-23 00:53:08 +00:00
Kir Kolyshkin
10ed134afe os: improve Windows fixLongPath
CL 574695 added caching the os.Chdir argument for Windows, and used the
cached value to assess the length of the current working directory in
addExtendedPrefix (used by fixLongPath).

It did not take into account that Chdir can accept relative paths, and
thus the pathLength calculation in addExtendedPrefix can be wrong.

Let's only cache the os.Chdir argument if it's absolute, and clean the
cache otherwise, thus improving the correctness of fixLongPath.

For #41734
For #21782
For #36375

Change-Id: Ie24a5ed763a7aacc310666d2e4cbb8e298768670
Reviewed-on: https://go-review.googlesource.com/c/go/+/607437
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
Reviewed-by: Damien Neil <dneil@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Quim Muntal <quimmuntal@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2024-08-22 20:04:04 +00:00
Michael Matloob
d2879efd02 cmd/go: document unsettable GOTELEMETRY and GOTELEMETRYDIR go env vars
This change adds documentation to "go help telemetry" and "go help
environment" for the unsettable GOTELEMETRY and GOTELEMETRYDIR go env
variables.

For #68928

Change-Id: I8c139bd8585ffb0c45b9dd722ef6e7a9a33df192
Reviewed-on: https://go-review.googlesource.com/c/go/+/607855
Reviewed-by: Robert Findley <rfindley@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2024-08-22 17:40:30 +00:00
Michael Matloob
422f4705ca cmd/dist: set go version in bootstrap go.mod file
The commands to build the bootstrap toolchains and go commands are run
from modules created by two bootstrap go.mod files: one is used when
building toolchain1 and go_bootstrap, and the other is used for
toolchain2 and toolchain3, and the final build. Currently the first has
a go directive specifying go 1.20, and the second one does not have a go
directive at all. This affects the default GODEBUG setting when building
the final toolchain: the default GODEBUG value is based on the go
version of the go.mod file, and when the go.mod file does not have a
version it defaults to go1.16. We should set the go directive on the
bootstrap used for the second half of the builds to use the current go
verison from the std's go.mod file (which is the same as the version on
cmd's go.mod file).

The go.mod file used for the initial bootstrap should have a go
directive with the minimum version of the toolchain required for
bootstrapping. That version is the current version - 2 rounded down to
an even number.

For #64751
Fixes #68797

Change-Id: Ibdddf4bc36dc963291979d603c4f3fc55264f65b
Reviewed-on: https://go-review.googlesource.com/c/go/+/604799
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
2024-08-22 17:24:29 +00:00
qmuntal
c7faf7f514 runtime: fix nanotime1 on windows/arm
nanotime1 is broken on windows/arm since CL 526358, which
unintentionally removed a necessary instruction. It hasn't been
noticed till now because the there is no windows/arm builder.

This CL restores the instruction.

Fixes #68996.

Change-Id: I52ef6891a3bd8e608b8538f456d181e08f93efaa
Reviewed-on: https://go-review.googlesource.com/c/go/+/607776
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
2024-08-22 17:12:38 +00:00
Xiaolin Zhao
64a5d1d7de crypto/sha1: implement sha1block in hardware on loong64
goos: linux
goarch: loong64
pkg: crypto/sha1
cpu: Loongson-3A6000 @ 2500.00MHz
                 │  bench.old   │              bench.new              │
                 │    sec/op    │   sec/op     vs base                │
Hash8Bytes/New      489.8n ± 0%   280.6n ± 0%  -42.71% (p=0.000 n=20)
Hash8Bytes/Sum      496.6n ± 0%   288.9n ± 0%  -41.82% (p=0.000 n=20)
Hash320Bytes/New   2251.0n ± 0%   992.0n ± 0%  -55.93% (p=0.000 n=20)
Hash320Bytes/Sum   2258.0n ± 0%   998.0n ± 0%  -55.80% (p=0.000 n=20)
Hash1K/New          6.113µ ± 0%   2.583µ ± 0%  -57.75% (p=0.000 n=20)
Hash1K/Sum          6.117µ ± 0%   2.588µ ± 0%  -57.69% (p=0.000 n=20)
Hash8K/New          45.42µ ± 0%   18.79µ ± 0%  -58.63% (p=0.000 n=20)
Hash8K/Sum          45.43µ ± 0%   18.80µ ± 0%  -58.62% (p=0.000 n=20)
geomean             4.192µ        1.926µ       -54.05%

                 │  bench.old   │               bench.new               │
                 │     B/s      │     B/s       vs base                 │
Hash8Bytes/New     15.57Mi ± 0%   27.19Mi ± 0%   +74.59% (p=0.000 n=20)
Hash8Bytes/Sum     15.36Mi ± 0%   26.41Mi ± 0%   +71.88% (p=0.000 n=20)
Hash320Bytes/New   135.6Mi ± 0%   307.6Mi ± 0%  +126.90% (p=0.000 n=20)
Hash320Bytes/Sum   135.2Mi ± 0%   305.8Mi ± 0%  +126.22% (p=0.000 n=20)
Hash1K/New         159.8Mi ± 0%   378.1Mi ± 0%  +136.69% (p=0.000 n=20)
Hash1K/Sum         159.7Mi ± 0%   377.4Mi ± 0%  +136.38% (p=0.000 n=20)
Hash8K/New         172.0Mi ± 0%   415.8Mi ± 0%  +141.75% (p=0.000 n=20)
Hash8K/Sum         172.0Mi ± 0%   415.6Mi ± 0%  +141.65% (p=0.000 n=20)
geomean            87.09Mi        189.5Mi       +117.64%

goos: linux
goarch: loong64
pkg: crypto/sha1
cpu: Loongson-3A5000 @ 2500.00MHz
                 │  bench.old  │              bench.new              │
                 │   sec/op    │   sec/op     vs base                │
Hash8Bytes/New     565.9n ± 0%   374.5n ± 1%  -33.82% (p=0.000 n=20)
Hash8Bytes/Sum     571.3n ± 0%   366.7n ± 1%  -35.81% (p=0.000 n=20)
Hash320Bytes/New   2.662µ ± 0%   1.201µ ± 0%  -54.88% (p=0.000 n=20)
Hash320Bytes/Sum   2.662µ ± 0%   1.194µ ± 0%  -55.15% (p=0.000 n=20)
Hash1K/New         7.171µ ± 0%   3.084µ ± 0%  -56.99% (p=0.000 n=20)
Hash1K/Sum         7.171µ ± 0%   3.076µ ± 0%  -57.11% (p=0.000 n=20)
Hash8K/New         53.10µ ± 0%   22.24µ ± 0%  -58.12% (p=0.000 n=20)
Hash8K/Sum         53.09µ ± 0%   22.23µ ± 0%  -58.12% (p=0.000 n=20)
geomean            4.900µ        2.348µ       -52.08%

                 │  bench.old   │               bench.new               │
                 │     B/s      │     B/s       vs base                 │
Hash8Bytes/New     13.48Mi ± 0%   20.38Mi ± 1%   +51.10% (p=0.000 n=20)
Hash8Bytes/Sum     13.35Mi ± 0%   20.80Mi ± 1%   +55.82% (p=0.000 n=20)
Hash320Bytes/New   114.6Mi ± 0%   254.0Mi ± 1%  +121.61% (p=0.000 n=20)
Hash320Bytes/Sum   114.6Mi ± 0%   255.6Mi ± 0%  +123.00% (p=0.000 n=20)
Hash1K/New         136.2Mi ± 0%   316.7Mi ± 0%  +132.54% (p=0.000 n=20)
Hash1K/Sum         136.2Mi ± 0%   317.5Mi ± 0%  +133.19% (p=0.000 n=20)
Hash8K/New         147.1Mi ± 0%   351.3Mi ± 0%  +138.79% (p=0.000 n=20)
Hash8K/Sum         147.2Mi ± 0%   351.4Mi ± 0%  +138.78% (p=0.000 n=20)
geomean            74.51Mi        155.5Mi       +108.69%

Change-Id: I716babd19c18dc2c3314d972ced9d83de2d93cb2
Reviewed-on: https://go-review.googlesource.com/c/go/+/589775
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Qiqi Huang <huangqiqi@loongson.cn>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: Cherry Mui <cherryyz@google.com>
2024-08-22 15:35:51 +00:00
Kir Kolyshkin
400e6b68b5 os: openDir: add O_DIRECTORY flag for unix
With this, ReadDir will fail a tad earlier (on open rather than on
readdir syscall). This should be the only effect of this change.

Change-Id: Icf2870f47ea6c19aad29670e78ba9bfcc13c0ac3
Reviewed-on: https://go-review.googlesource.com/c/go/+/588915
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
2024-08-22 15:01:14 +00:00
Joel Sing
4f18477db6 math/big: implement subVW in riscv64 assembly
This provides an assembly implementation of subVW for riscv64,
processing up to four words per loop, resulting in a significant
performance gain.

On a StarFive VisionFive 2:

                  │   subvw.1    │               subvw.2               │
                  │    sec/op    │   sec/op     vs base                │
SubVW/1-4            57.43n ± 0%   41.45n ± 0%  -27.82% (p=0.000 n=10)
SubVW/2-4            69.31n ± 0%   48.15n ± 0%  -30.53% (p=0.000 n=10)
SubVW/3-4            76.12n ± 0%   54.87n ± 0%  -27.92% (p=0.000 n=10)
SubVW/4-4            85.47n ± 0%   56.14n ± 0%  -34.32% (p=0.000 n=10)
SubVW/5-4            96.15n ± 0%   62.83n ± 0%  -34.65% (p=0.000 n=10)
SubVW/10-4          149.60n ± 0%   89.55n ± 0%  -40.14% (p=0.000 n=10)
SubVW/100-4         1115.0n ± 0%   549.3n ± 0%  -50.74% (p=0.000 n=10)
SubVW/1000-4        10.732µ ± 0%   5.071µ ± 0%  -52.75% (p=0.000 n=10)
SubVW/10000-4        153.0µ ± 0%   103.7µ ± 0%  -32.21% (p=0.000 n=10)
SubVW/100000-4       1.542m ± 0%   1.046m ± 0%  -32.13% (p=0.000 n=10)
SubVWext/1-4         57.42n ± 0%   41.45n ± 0%  -27.81% (p=0.000 n=10)
SubVWext/2-4         69.33n ± 0%   48.15n ± 0%  -30.55% (p=0.000 n=10)
SubVWext/3-4         76.12n ± 0%   54.93n ± 0%  -27.84% (p=0.000 n=10)
SubVWext/4-4         85.47n ± 0%   56.14n ± 0%  -34.32% (p=0.000 n=10)
SubVWext/5-4         96.15n ± 0%   62.83n ± 0%  -34.65% (p=0.000 n=10)
SubVWext/10-4       149.60n ± 0%   89.56n ± 0%  -40.14% (p=0.000 n=10)
SubVWext/100-4      1115.0n ± 0%   549.3n ± 0%  -50.74% (p=0.000 n=10)
SubVWext/1000-4     10.732µ ± 0%   5.061µ ± 0%  -52.84% (p=0.000 n=10)
SubVWext/10000-4     152.5µ ± 0%   103.7µ ± 0%  -32.02% (p=0.000 n=10)
SubVWext/100000-4    1.533m ± 0%   1.046m ± 0%  -31.75% (p=0.000 n=10)
geomean              1.005µ        633.7n       -36.92%

                  │   subvw.1    │                subvw.2                 │
                  │     B/s      │      B/s       vs base                 │
SubVW/1-4           132.9Mi ± 0%    184.1Mi ± 0%   +38.54% (p=0.000 n=10)
SubVW/2-4           220.1Mi ± 0%    316.9Mi ± 0%   +43.95% (p=0.000 n=10)
SubVW/3-4           300.7Mi ± 0%    417.1Mi ± 0%   +38.72% (p=0.000 n=10)
SubVW/4-4           357.1Mi ± 0%    543.6Mi ± 0%   +52.24% (p=0.000 n=10)
SubVW/5-4           396.7Mi ± 0%    607.2Mi ± 0%   +53.03% (p=0.000 n=10)
SubVW/10-4          510.1Mi ± 0%    851.9Mi ± 0%   +67.01% (p=0.000 n=10)
SubVW/100-4         684.2Mi ± 0%   1388.9Mi ± 0%  +102.99% (p=0.000 n=10)
SubVW/1000-4        710.9Mi ± 0%   1504.5Mi ± 0%  +111.63% (p=0.000 n=10)
SubVW/10000-4       498.7Mi ± 0%    735.7Mi ± 0%   +47.52% (p=0.000 n=10)
SubVW/100000-4      494.8Mi ± 0%    729.1Mi ± 0%   +47.34% (p=0.000 n=10)
SubVWext/1-4        132.9Mi ± 0%    184.1Mi ± 0%   +38.53% (p=0.000 n=10)
SubVWext/2-4        220.1Mi ± 0%    316.9Mi ± 0%   +44.00% (p=0.000 n=10)
SubVWext/3-4        300.7Mi ± 0%    416.7Mi ± 0%   +38.57% (p=0.000 n=10)
SubVWext/4-4        357.1Mi ± 0%    543.6Mi ± 0%   +52.24% (p=0.000 n=10)
SubVWext/5-4        396.7Mi ± 0%    607.2Mi ± 0%   +53.04% (p=0.000 n=10)
SubVWext/10-4       510.1Mi ± 0%    851.9Mi ± 0%   +67.01% (p=0.000 n=10)
SubVWext/100-4      684.2Mi ± 0%   1388.9Mi ± 0%  +102.99% (p=0.000 n=10)
SubVWext/1000-4     710.9Mi ± 0%   1507.6Mi ± 0%  +112.07% (p=0.000 n=10)
SubVWext/10000-4    500.1Mi ± 0%    735.7Mi ± 0%   +47.10% (p=0.000 n=10)
SubVWext/100000-4   497.8Mi ± 0%    729.4Mi ± 0%   +46.52% (p=0.000 n=10)
geomean             387.6Mi         614.5Mi        +58.51%

Change-Id: I9d7fac719e977710ad9db9121fa298db6df605de
Reviewed-on: https://go-review.googlesource.com/c/go/+/595398
Reviewed-by: Mark Ryan <markdryan@rivosinc.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Meng Zhuo <mengzhuo1203@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2024-08-22 13:19:44 +00:00
Joel Sing
c6f56985ad math/big: implement addVW in riscv64 assembly
This provides an assembly implementation of addVW for riscv64,
processing up to four words per loop, resulting in a significant
performance gain.

On a StarFive VisionFive 2:

                  │   addvw.1    │               addvw.2               │
                  │    sec/op    │   sec/op     vs base                │
AddVW/1-4            57.43n ± 0%   41.45n ± 0%  -27.83% (p=0.000 n=10)
AddVW/2-4            69.31n ± 0%   48.15n ± 0%  -30.53% (p=0.000 n=10)
AddVW/3-4            76.12n ± 0%   54.97n ± 0%  -27.79% (p=0.000 n=10)
AddVW/4-4            85.47n ± 0%   56.14n ± 0%  -34.32% (p=0.000 n=10)
AddVW/5-4            96.16n ± 0%   62.82n ± 0%  -34.67% (p=0.000 n=10)
AddVW/10-4          149.60n ± 0%   89.55n ± 0%  -40.14% (p=0.000 n=10)
AddVW/100-4         1115.0n ± 0%   549.3n ± 0%  -50.74% (p=0.000 n=10)
AddVW/1000-4        10.732µ ± 0%   5.060µ ± 0%  -52.85% (p=0.000 n=10)
AddVW/10000-4        151.7µ ± 0%   103.7µ ± 0%  -31.63% (p=0.000 n=10)
AddVW/100000-4       1.523m ± 0%   1.050m ± 0%  -31.03% (p=0.000 n=10)
AddVWext/1-4         57.42n ± 0%   41.45n ± 0%  -27.81% (p=0.000 n=10)
AddVWext/2-4         69.32n ± 0%   48.15n ± 0%  -30.54% (p=0.000 n=10)
AddVWext/3-4         76.12n ± 0%   54.87n ± 0%  -27.92% (p=0.000 n=10)
AddVWext/4-4         85.47n ± 0%   56.14n ± 0%  -34.32% (p=0.000 n=10)
AddVWext/5-4         96.15n ± 0%   62.82n ± 0%  -34.66% (p=0.000 n=10)
AddVWext/10-4       149.60n ± 0%   89.55n ± 0%  -40.14% (p=0.000 n=10)
AddVWext/100-4      1115.0n ± 0%   549.3n ± 0%  -50.74% (p=0.000 n=10)
AddVWext/1000-4     10.732µ ± 0%   5.060µ ± 0%  -52.85% (p=0.000 n=10)
AddVWext/10000-4     150.5µ ± 0%   103.7µ ± 0%  -31.10% (p=0.000 n=10)
AddVWext/100000-4    1.530m ± 0%   1.049m ± 0%  -31.41% (p=0.000 n=10)
geomean              1.003µ        633.9n       -36.79%

                  │   addvw.1    │                addvw.2                 │
                  │     B/s      │      B/s       vs base                 │
AddVW/1-4           132.8Mi ± 0%    184.1Mi ± 0%   +38.55% (p=0.000 n=10)
AddVW/2-4           220.1Mi ± 0%    316.9Mi ± 0%   +43.96% (p=0.000 n=10)
AddVW/3-4           300.7Mi ± 0%    416.4Mi ± 0%   +38.48% (p=0.000 n=10)
AddVW/4-4           357.1Mi ± 0%    543.6Mi ± 0%   +52.25% (p=0.000 n=10)
AddVW/5-4           396.7Mi ± 0%    607.2Mi ± 0%   +53.06% (p=0.000 n=10)
AddVW/10-4          510.1Mi ± 0%    852.0Mi ± 0%   +67.02% (p=0.000 n=10)
AddVW/100-4         684.1Mi ± 0%   1389.0Mi ± 0%  +103.03% (p=0.000 n=10)
AddVW/1000-4        710.9Mi ± 0%   1507.8Mi ± 0%  +112.08% (p=0.000 n=10)
AddVW/10000-4       503.1Mi ± 0%    735.8Mi ± 0%   +46.26% (p=0.000 n=10)
AddVW/100000-4      501.0Mi ± 0%    726.5Mi ± 0%   +45.00% (p=0.000 n=10)
AddVWext/1-4        132.9Mi ± 0%    184.1Mi ± 0%   +38.55% (p=0.000 n=10)
AddVWext/2-4        220.1Mi ± 0%    316.9Mi ± 0%   +43.98% (p=0.000 n=10)
AddVWext/3-4        300.7Mi ± 0%    417.1Mi ± 0%   +38.73% (p=0.000 n=10)
AddVWext/4-4        357.1Mi ± 0%    543.6Mi ± 0%   +52.25% (p=0.000 n=10)
AddVWext/5-4        396.7Mi ± 0%    607.2Mi ± 0%   +53.05% (p=0.000 n=10)
AddVWext/10-4       510.1Mi ± 0%    852.0Mi ± 0%   +67.02% (p=0.000 n=10)
AddVWext/100-4      684.2Mi ± 0%   1389.0Mi ± 0%  +103.02% (p=0.000 n=10)
AddVWext/1000-4     710.9Mi ± 0%   1507.7Mi ± 0%  +112.08% (p=0.000 n=10)
AddVWext/10000-4    506.9Mi ± 0%    735.8Mi ± 0%   +45.15% (p=0.000 n=10)
AddVWext/100000-4   498.6Mi ± 0%    727.0Mi ± 0%   +45.79% (p=0.000 n=10)
geomean             388.3Mi         614.3Mi        +58.19%

Change-Id: Ib14a4b8c1d81e710753bbf6dd5546bbca44fe3f1
Reviewed-on: https://go-review.googlesource.com/c/go/+/595397
Reviewed-by: Meng Zhuo <mengzhuo1203@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Mark Ryan <markdryan@rivosinc.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
2024-08-22 13:19:28 +00:00
Joel Sing
1a7a85359e cmd/compile/internal/ssagen: add initial test coverage for intrinsics
Add basic test coverage for the intrinisic table - this at least allows
us to tell if intrinsics are added or removed unexpectedly. Code
generation changes resulting from intrinsics is not covered and is
left for test/codegen and others.

Change-Id: I3d538708b90cd04d3f449945e0fd9388097d683e
Reviewed-on: https://go-review.googlesource.com/c/go/+/605475
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: David Chase <drchase@google.com>
2024-08-22 13:16:20 +00:00
Xiaolin Zhao
6edc1c23ed crypto/md5: implement md5block in hardware on loong64
goos: linux
goarch: loong64
pkg: crypto/md5
cpu: Loongson-3A6000 @ 2500.00MHz
                    │  bench.old   │              bench.new              │
                    │    sec/op    │   sec/op     vs base                │
Hash8Bytes             276.6n ± 0%   219.7n ± 0%  -20.57% (p=0.000 n=20)
Hash64                 445.8n ± 0%   339.9n ± 0%  -23.76% (p=0.000 n=20)
Hash128                632.0n ± 0%   468.1n ± 0%  -25.93% (p=0.000 n=20)
Hash256               1005.0n ± 0%   723.8n ± 0%  -27.98% (p=0.000 n=20)
Hash512                1.749µ ± 0%   1.238µ ± 0%  -29.22% (p=0.000 n=20)
Hash1K                 3.238µ ± 0%   2.265µ ± 0%  -30.05% (p=0.000 n=20)
Hash8K                 24.09µ ± 0%   16.66µ ± 0%  -30.83% (p=0.000 n=20)
Hash1M                 3.049m ± 0%   2.105m ± 0%  -30.97% (p=0.000 n=20)
Hash8M                 24.39m ± 0%   16.84m ± 0%  -30.97% (p=0.000 n=20)
Hash8BytesUnaligned    284.1n ± 0%   227.2n ± 0%  -20.03% (p=0.000 n=20)
Hash1KUnaligned        3.238µ ± 0%   2.265µ ± 0%  -30.05% (p=0.000 n=20)
Hash8KUnaligned        24.09µ ± 0%   16.66µ ± 0%  -30.82% (p=0.000 n=20)
geomean                7.142µ        5.164µ       -27.70%

                    │  bench.old   │              bench.new               │
                    │     B/s      │     B/s       vs base                │
Hash8Bytes            27.58Mi ± 0%   34.73Mi ± 0%  +25.93% (p=0.000 n=20)
Hash64                136.9Mi ± 0%   179.6Mi ± 0%  +31.15% (p=0.000 n=20)
Hash128               193.1Mi ± 0%   260.8Mi ± 0%  +35.03% (p=0.000 n=20)
Hash256               243.0Mi ± 0%   337.3Mi ± 0%  +38.82% (p=0.000 n=20)
Hash512               279.1Mi ± 0%   394.3Mi ± 0%  +41.25% (p=0.000 n=20)
Hash1K                301.6Mi ± 0%   431.1Mi ± 0%  +42.94% (p=0.000 n=20)
Hash8K                324.3Mi ± 0%   468.9Mi ± 0%  +44.56% (p=0.000 n=20)
Hash1M                327.9Mi ± 0%   475.0Mi ± 0%  +44.86% (p=0.000 n=20)
Hash8M                328.0Mi ± 0%   475.1Mi ± 0%  +44.86% (p=0.000 n=20)
Hash8BytesUnaligned   26.86Mi ± 0%   33.58Mi ± 0%  +25.04% (p=0.000 n=20)
Hash1KUnaligned       301.6Mi ± 0%   431.1Mi ± 0%  +42.95% (p=0.000 n=20)
Hash8KUnaligned       324.3Mi ± 0%   468.9Mi ± 0%  +44.56% (p=0.000 n=20)
geomean               182.5Mi        252.4Mi       +38.31%

goos: linux
goarch: loong64
pkg: crypto/md5
cpu: Loongson-3A5000 @ 2500.00MHz
                    │  bench.old   │              bench.new              │
                    │    sec/op    │   sec/op     vs base                │
Hash8Bytes             346.0n ± 0%   289.1n ± 0%  -16.45% (p=0.000 n=20)
Hash64                 521.2n ± 0%   409.3n ± 0%  -21.47% (p=0.000 n=20)
Hash128                707.1n ± 0%   537.8n ± 0%  -23.94% (p=0.000 n=20)
Hash256               1080.0n ± 0%   795.8n ± 0%  -26.31% (p=0.000 n=20)
Hash512                1.826µ ± 0%   1.311µ ± 0%  -28.20% (p=0.000 n=20)
Hash1K                 3.315µ ± 0%   2.342µ ± 0%  -29.35% (p=0.000 n=20)
Hash8K                 24.19µ ± 0%   16.78µ ± 0%  -30.65% (p=0.000 n=20)
Hash1M                 3.052m ± 0%   2.110m ± 0%  -30.86% (p=0.000 n=20)
Hash8M                 24.41m ± 0%   16.88m ± 0%  -30.85% (p=0.000 n=20)
Hash8BytesUnaligned    345.9n ± 0%   289.0n ± 0%  -16.45% (p=0.000 n=20)
Hash1KUnaligned        3.316µ ± 0%   2.342µ ± 0%  -29.37% (p=0.000 n=20)
Hash8KUnaligned        24.19µ ± 0%   16.78µ ± 0%  -30.66% (p=0.000 n=20)
geomean                7.673µ        5.648µ       -26.39%

                    │  bench.old   │              bench.new               │
                    │     B/s      │     B/s       vs base                │
Hash8Bytes            22.05Mi ± 0%   26.39Mi ± 0%  +19.68% (p=0.000 n=20)
Hash64                117.1Mi ± 0%   149.1Mi ± 0%  +27.32% (p=0.000 n=20)
Hash128               172.6Mi ± 0%   227.0Mi ± 0%  +31.49% (p=0.000 n=20)
Hash256               226.0Mi ± 0%   306.8Mi ± 0%  +35.77% (p=0.000 n=20)
Hash512               267.4Mi ± 0%   372.5Mi ± 0%  +39.26% (p=0.000 n=20)
Hash1K                294.6Mi ± 0%   417.0Mi ± 0%  +41.53% (p=0.000 n=20)
Hash8K                322.9Mi ± 0%   465.7Mi ± 0%  +44.20% (p=0.000 n=20)
Hash1M                327.7Mi ± 0%   474.0Mi ± 0%  +44.64% (p=0.000 n=20)
Hash8M                327.8Mi ± 0%   474.1Mi ± 0%  +44.62% (p=0.000 n=20)
Hash8BytesUnaligned   22.06Mi ± 0%   26.40Mi ± 0%  +19.67% (p=0.000 n=20)
Hash1KUnaligned       294.5Mi ± 0%   417.0Mi ± 0%  +41.60% (p=0.000 n=20)
Hash8KUnaligned       322.9Mi ± 0%   465.7Mi ± 0%  +44.21% (p=0.000 n=20)
geomean               169.9Mi        230.8Mi       +35.85%

Change-Id: Iffddd60e3fc0b3bb265289f836a2d875f0805f64
Reviewed-on: https://go-review.googlesource.com/c/go/+/589540
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: Qiqi Huang <huangqiqi@loongson.cn>
2024-08-22 01:18:23 +00:00
Kir Kolyshkin
4a9d98d49a syscall: optimize Getwd on aix
When looking for \0, use clen which may be optimized.

Also, return EINVAL when returned string is empty.

This makes it similar to how it is implemented in *bsd and solaris.

Change-Id: I3e37ed25f47110eafd12c80291f7746de9db7b23
Reviewed-on: https://go-review.googlesource.com/c/go/+/606902
TryBot-Bypass: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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2024-08-21 23:14:07 +00:00
Tobias Klauser
b5ee80a85a sort: drop implementation for Go <1.21
Now that Go 1.22.6 is the minimum bootstrap toolchain (cf. CL 606156),
the fallback implementation for Go versions <1.21 can be dropped.

For #61180
For #64751

Change-Id: Idfeca0a6e9f490e1ab0f308ead372612402923ea
Reviewed-on: https://go-review.googlesource.com/c/go/+/607315
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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2024-08-21 21:18:47 +00:00
Vladimir Varankin
440c9ee73d testing: rename testContext to testState
Following up to CL 603959, update internals of testing package to
reduce the confusion around "context". The changes rename
testContext/benchContext/fuzzContext to testState/benchState/fuzzState.

Change-Id: Ib8855dab456d41ab343488fcf5fefff2431f7b72
Reviewed-on: https://go-review.googlesource.com/c/go/+/607555
Auto-Submit: Ian Lance Taylor <iant@golang.org>
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2024-08-21 20:52:09 +00:00
Manuel Sabin
31a9c13941 crypto/internal/cryptotest: add tests for the cipher.AEAD interface
This CL creates tests for the cipher.AEAD interface in the new
cryptotest package.  This set of tests is called from the tests of
implementations of the AEAD interface, such as the GCM blockmode.

Updates #25309

Change-Id: I7612fa6fb6c1505bdf1a2cd71180dd43dc50bf4a
Reviewed-on: https://go-review.googlesource.com/c/go/+/601778
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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Reviewed-by: Filippo Valsorda <filippo@golang.org>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
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2024-08-21 20:24:47 +00:00
Srinivas Pokala
0d5605832c cmd/objdump: add s390x GNU disasm support
This CL provides vendor support for s390x disassembler gnu syntax.
go get golang.org/x/arch@master
go mod tidy
go mod vendor

For #15255

Change-Id: Ia75fa515e7ea7d56913a28147c65650a7ab3062c
Reviewed-on: https://go-review.googlesource.com/c/go/+/581015
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Reviewed-by: Bill O'Farrell <billotosyr@gmail.com>
2024-08-21 20:01:18 +00:00
qmuntal
a96e736284 os/user: document Current improvements
Update #21867.
Update #68312.
Update #68647.

Change-Id: Ic41d6747c5a54ba28c1292258aa4d318ccb9fe40
Reviewed-on: https://go-review.googlesource.com/c/go/+/604395
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
2024-08-21 19:59:22 +00:00
qmuntal
854349eeb4 os/user: speed up Current on Windows
[This is a roll-forward of CL 597255, which had to be rolled back
because it broke the windows-arm64 builder, whose current user display
name is unavailable. This new CL fixes the issue by reintroducing the
historical behavior of falling back to the user name instead of
returning an error].

user.Current is slow on Windows sessions connected to an Active
Directory domain. This is because it uses Windows APIs that do RPC
calls to the domain controller, such as TranslateAccountW and
NetUserGetInfo.

This change speeds up user.Current by using the GetUserNameEx API
instead, which is already optimized for retrieving the current user
name in different formats.

These are the improvements I see with the new implementation:

goos: windows
goarch: amd64
pkg: os/user
cpu: Intel(R) Core(TM) i7-10850H CPU @ 2.70GHz
           │   old.txt   │               new.txt                │
           │   sec/op    │    sec/op     vs base                │
Current-12   501.8µ ± 7%   118.6µ ± 11%  -76.36% (p=0.000 n=10)

           │  old.txt   │              new.txt              │
           │    B/op    │    B/op     vs base               │
Current-12   888.0 ± 0%   832.0 ± 0%  -6.31% (p=0.000 n=10)

           │  old.txt   │              new.txt               │
           │ allocs/op  │ allocs/op   vs base                │
Current-12   15.00 ± 0%   11.00 ± 0%  -26.67% (p=0.000 n=10)

Updates #5298
Fixes #21867
Fixes #68312

Cq-Include-Trybots: luci.golang.try:gotip-windows-amd64-longtest,gotip-windows-arm64
Change-Id: Ib7f77086d389cccb9d91cb77ea688d438a0ee5fd
Reviewed-on: https://go-review.googlesource.com/c/go/+/605135
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2024-08-21 19:58:44 +00:00
apocelipes
fd985d23dc crypto/x509,math/rand/v2: implement the encoding.(Binary|Text)Appender
Implement the encoding.(Binary|Text)Appender interfaces for "x509.OID".

Implement the encoding.BinaryAppender interface for "rand/v2.PCG" and "rand/v2.ChaCha8".

"rand/v2.ChaCha8.MarshalBinary" alse gains some performance benefits:

                           │     old      │                 new                 │
                           │    sec/op    │   sec/op     vs base                │
ChaCha8MarshalBinary-8       33.730n ± 2%   9.786n ± 1%  -70.99% (p=0.000 n=10)
ChaCha8MarshalBinaryRead-8    99.86n ± 1%   17.79n ± 0%  -82.18% (p=0.000 n=10)
geomean                       58.04n        13.19n       -77.27%

                           │    old     │                  new                   │
                           │    B/op    │   B/op     vs base                     │
ChaCha8MarshalBinary-8       48.00 ± 0%   0.00 ± 0%  -100.00% (p=0.000 n=10)
ChaCha8MarshalBinaryRead-8   83.00 ± 0%   0.00 ± 0%  -100.00% (p=0.000 n=10)

                           │    old     │                   new                   │
                           │ allocs/op  │ allocs/op   vs base                     │
ChaCha8MarshalBinary-8       1.000 ± 0%   0.000 ± 0%  -100.00% (p=0.000 n=10)
ChaCha8MarshalBinaryRead-8   2.000 ± 0%   0.000 ± 0%  -100.00% (p=0.000 n=10)

For #62384

Change-Id: I604bde6dad90a916012909c7260f4bb06dcf5c0a
GitHub-Last-Rev: 78abf9c5df
GitHub-Pull-Request: golang/go#68987
Reviewed-on: https://go-review.googlesource.com/c/go/+/607079
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Auto-Submit: Ian Lance Taylor <iant@google.com>
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2024-08-21 19:19:57 +00:00
Kir Kolyshkin
c5a9c8d067 syscall: add O_DIRECTORY for wasip1
Change-Id: Iadd69360fb09714a280c4dae26639834df28a7dc
Reviewed-on: https://go-review.googlesource.com/c/go/+/606659
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
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2024-08-21 18:23:28 +00:00
Kir Kolyshkin
f0f4e2d0af syscall: add O_DIRECTORY for js
Change-Id: I2022fa27b072f9b34413a04a794aeb6d3c02166c
Reviewed-on: https://go-review.googlesource.com/c/go/+/606658
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Auto-Submit: Ian Lance Taylor <iant@google.com>
2024-08-21 18:23:25 +00:00
Robert Griesemer
92dd05682c internal/pkgbits: fix incorrect doc comment
Change-Id: I71d1dfec11657ffa8ffe12e87f6dbd65cbb1854b
Reviewed-on: https://go-review.googlesource.com/c/go/+/607475
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
TryBot-Bypass: Robert Griesemer <gri@google.com>
2024-08-21 16:59:19 +00:00
Michael Anthony Knyszek
23c9efa244 unique: clean up handle test code
Currently the handle test code has a lot of duplicate type parameters
that are already inferred. This results in IDE warnings which are
annoying. Clean this up by consistently explicitly calling out the type
in the argument, not the type parameter.

Change-Id: I756203f37fc97c793cd5c5e612c6fd1802a84bc1
Reviewed-on: https://go-review.googlesource.com/c/go/+/607356
Reviewed-by: David Chase <drchase@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Michael Knyszek <mknyszek@google.com>
2024-08-21 16:03:47 +00:00
Michael Anthony Knyszek
755c18ecdf unique: use TypeFor instead of TypeOf to get type in Make
Currently the first thing Make does it get the abi.Type of its argument,
and uses abi.TypeOf to do it. However, this has a problem for interface
types, since the type of the value stored in the interface value will
bleed through. This is a classic reflection mistake.

Fix this by implementing and using a generic TypeFor which matches
reflect.TypeFor. This gets the type of the type parameter, which is far
less ambiguous and error-prone.

Fixes #68990.

Change-Id: Idd8d9a1095ef017e9cd7c7779314f7d4034f01a7
Reviewed-on: https://go-review.googlesource.com/c/go/+/607355
Reviewed-by: David Chase <drchase@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2024-08-21 16:03:35 +00:00
Cherry Mui
f38d42f2c4 cmd/link: support wasmexport on js/wasm
Add export functions to the wasm module on GOOS=js. (Other parts
work the same way as wasip1.)

Add a test.

Fixes #65199.

Change-Id: Ia22580859fe40631d487f70ee293c12867e0c988
Reviewed-on: https://go-review.googlesource.com/c/go/+/606855
Reviewed-by: Zxilly Chou <zxilly@outlook.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Johan Brandhorst-Satzkorn <johan.brandhorst@gmail.com>
2024-08-21 01:11:27 +00:00
Tim King
24fd1a043d cmd/compile: deprecate has init and derived func instance
Removes 'has init' and 'derived func instance' fields from unified IR
starting with V2.

This should be a no-op at the moment as the writer is hardwired to create V1.

Updates #68778

Change-Id: I84a606cbc27cd6d8bd6eee2aff44c89f4aa7413c
Reviewed-on: https://go-review.googlesource.com/c/go/+/606035
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: David Chase <drchase@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2024-08-20 23:11:53 +00:00
Robert Griesemer
7dc1ee81f9 cmd/compile/internal/noder: reduce clutter a bit (cosmetic changes)
- introduce index alias
- inline the two short tables in stmt.go (removes a TODO)
- move assert out of stencil.go and remove that file
  (we can always re-introduce it)

Also, replace two if's with a simpler switch.

Change-Id: I25c3104164574999dd9826dee6166dd8a8488908
Reviewed-on: https://go-review.googlesource.com/c/go/+/607236
Reviewed-by: Robert Griesemer <gri@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Robert Griesemer <gri@google.com>
Reviewed-by: Tim King <taking@google.com>
2024-08-20 22:55:24 +00:00
Dmitri Shuralyov
a5d61d75e3 runtime: deprecate GOROOT
Fixes #51473.

Change-Id: Ic868790f480b21b472c98b39be797bcffb1fa892
Reviewed-on: https://go-review.googlesource.com/c/go/+/564142
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2024-08-20 22:49:59 +00:00
Tim King
830621bc09 internal/pkgbits: add Version type
Adds a new Version type to pkgbits to represent the version of the
bitstream. Versions let readers and writers know when different data is
expected to be present or not in the bitstream. These different pieces
of data are called Fields, as an analogy with fields of a struct.
Fields can be added, removed or changed in a Version. Extends Encoder
and Decoder to report which version they are.

Updates #68778

Change-Id: Iaffa1828544fb4cbc47a905de853449bc8e5b91f
Reviewed-on: https://go-review.googlesource.com/c/go/+/605655
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
2024-08-20 21:55:59 +00:00
Alexander Cyon
54c948de9a src: fix typos
Fix typos in ~30 files

Change-Id: Ie433aea01e7d15944c1e9e103691784876d5c1f9
GitHub-Last-Rev: bbaeb3d1f8
GitHub-Pull-Request: golang/go#68964
Reviewed-on: https://go-review.googlesource.com/c/go/+/606955
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
2024-08-20 21:01:59 +00:00