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cmd/compile: store combining not complete #54120

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randall77 opened this issue Jul 28, 2022 · 4 comments
Closed

cmd/compile: store combining not complete #54120

randall77 opened this issue Jul 28, 2022 · 4 comments
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compiler/runtime Issues related to the Go compiler and/or runtime. FrozenDueToAge NeedsFix The path to resolution is known, but the work has not been done. Performance
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@randall77
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https://go.dev/play/p/1mjcj4Qt_83

The PutUint64 should resolve to a single MOVQ. Instead it resolves to a MOVB/MOVL/MOVW/MOVB sequence.

Split off from #53324

@klauspost @wdvxdr1123

@randall77 randall77 added Performance NeedsFix The path to resolution is known, but the work has not been done. compiler/runtime Issues related to the Go compiler and/or runtime. labels Jul 28, 2022
@randall77 randall77 added this to the Go1.20 milestone Jul 28, 2022
@agarciamontoro
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I'd like to work on this one, can I take it?

cuiweixie added a commit to cuiweixie/go that referenced this issue Jul 29, 2022
@gopherbot
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Change https://go.dev/cl/420115 mentions this issue: cmd/compile: store combining

cuiweixie added a commit to cuiweixie/go that referenced this issue Jul 30, 2022
cuiweixie added a commit to cuiweixie/go that referenced this issue Jul 30, 2022
cuiweixie added a commit to cuiweixie/go that referenced this issue Jul 30, 2022
@cuiweixie
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@randall77 I first work on rewrite rules. is the code right?

cuiweixie added a commit to cuiweixie/go that referenced this issue Aug 1, 2022
cuiweixie added a commit to cuiweixie/go that referenced this issue Aug 1, 2022
Fixes golang#54120

compilebench between master and this cl
name                      old time/op       new time/op       delta
Template                        264ms ±13%        271ms ±15%    ~     (p=0.061 n=40+40)
Unicode                         143ms ±22%        144ms ±15%    ~     (p=0.707 n=39+40)
GoTypes                         1.55s ± 6%        1.56s ± 7%    ~     (p=0.090 n=39+38)
Compiler                        112ms ±24%        114ms ±21%    ~     (p=0.435 n=40+38)
SSA                             12.7s ± 4%        12.8s ± 4%  +0.92%  (p=0.021 n=40+39)
Flate                           166ms ±18%        167ms ±10%    ~     (p=0.181 n=39+36)
GoParser                        332ms ±11%        336ms ±12%    ~     (p=0.275 n=40+38)
Reflect                         660ms ±10%        658ms ±10%    ~     (p=0.899 n=39+38)
Tar                             227ms ±13%        229ms ±16%    ~     (p=0.529 n=40+39)
XML                             315ms ±15%        316ms ± 9%    ~     (p=0.664 n=40+39)
LinkCompiler                    489ms ± 9%        497ms ± 8%    ~     (p=0.105 n=40+39)
ExternalLinkCompiler            1.54s ± 4%        1.54s ± 5%    ~     (p=0.567 n=40+38)
LinkWithoutDebugCompiler        309ms ± 9%        314ms ±14%    ~     (p=0.438 n=38+39)
StdCmd                          26.6s ± 3%        26.8s ± 4%  +0.95%  (p=0.015 n=40+37)

name                      old user-time/op  new user-time/op  delta
Template                        323ms ±15%        327ms ±12%    ~     (p=0.298 n=40+39)
Unicode                         172ms ±17%        170ms ±18%    ~     (p=0.677 n=40+40)
GoTypes                         1.98s ± 7%        1.99s ± 6%    ~     (p=0.562 n=40+39)
Compiler                        133ms ±20%        136ms ±19%    ~     (p=0.256 n=39+39)
SSA                             17.1s ± 5%        17.2s ± 6%    ~     (p=0.192 n=39+39)
Flate                           195ms ±17%        200ms ±14%    ~     (p=0.098 n=40+38)
GoParser                        401ms ±11%        407ms ± 9%    ~     (p=0.160 n=40+39)
Reflect                         830ms ±11%        819ms ±12%    ~     (p=0.341 n=40+39)
Tar                             275ms ±10%        276ms ±15%    ~     (p=0.865 n=40+39)
XML                             381ms ±11%        381ms ±10%    ~     (p=0.857 n=40+39)
LinkCompiler                    757ms ± 9%        768ms ± 8%    ~     (p=0.122 n=37+39)
ExternalLinkCompiler            1.66s ± 5%        1.67s ± 6%    ~     (p=0.091 n=39+39)
LinkWithoutDebugCompiler        356ms ± 9%        360ms ±12%    ~     (p=0.475 n=38+39)

name                      old text-bytes    new text-bytes    delta
HelloSize                       764kB ± 0%        763kB ± 0%  -0.11%  (p=0.000 n=40+39)
CmdGoSize                      10.4MB ± 0%       10.4MB ± 0%  -0.06%  (p=0.000 n=40+39)

name                      old data-bytes    new data-bytes    delta
HelloSize                      13.6kB ± 0%       13.6kB ± 0%    ~     (all equal)
CmdGoSize                       305kB ± 0%        305kB ± 0%    ~     (all equal)

name                      old bss-bytes     new bss-bytes     delta
HelloSize                       211kB ± 0%        211kB ± 0%    ~     (all equal)
CmdGoSize                       247kB ± 0%        247kB ± 0%    ~     (all equal)

name                      old exe-bytes     new exe-bytes     delta
HelloSize                      1.20MB ± 0%       1.20MB ± 0%  -0.00%  (p=0.000 n=40+39)
CmdGoSize                      15.3MB ± 0%       15.3MB ± 0%  -0.06%  (p=0.000 n=40+39)
[weixiecui@QC_GZ-172_24_21_36-null ~]$ benchstat ~/old.txt ~/new.txt
name                      old time/op       new time/op       delta
Template                        264ms ±13%        271ms ±15%    ~     (p=0.061 n=40+40)
Unicode                         143ms ±22%        144ms ±15%    ~     (p=0.707 n=39+40)
GoTypes                         1.55s ± 6%        1.56s ± 7%    ~     (p=0.090 n=39+38)
Compiler                        112ms ±24%        114ms ±21%    ~     (p=0.435 n=40+38)
SSA                             12.7s ± 4%        12.8s ± 4%  +0.89%  (p=0.025 n=40+40)
Flate                           166ms ±18%        167ms ±10%    ~     (p=0.225 n=39+37)
GoParser                        332ms ±11%        336ms ±12%    ~     (p=0.272 n=40+39)
Reflect                         660ms ±10%        658ms ±10%    ~     (p=1.000 n=39+39)
Tar                             227ms ±13%        227ms ±15%    ~     (p=0.754 n=40+38)
XML                             315ms ±15%        315ms ±10%    ~     (p=0.807 n=40+40)
LinkCompiler                    489ms ± 9%        497ms ± 8%    ~     (p=0.079 n=40+40)
ExternalLinkCompiler            1.54s ± 4%        1.54s ± 5%    ~     (p=0.449 n=40+39)
LinkWithoutDebugCompiler        309ms ± 9%        313ms ±15%    ~     (p=0.515 n=38+40)
StdCmd                          26.6s ± 3%        26.8s ± 4%  +0.88%  (p=0.027 n=40+38)

name                      old user-time/op  new user-time/op  delta
Template                        323ms ±15%        327ms ±12%    ~     (p=0.298 n=40+39)
Unicode                         172ms ±17%        170ms ±18%    ~     (p=0.677 n=40+40)
GoTypes                         1.98s ± 7%        1.99s ± 6%    ~     (p=0.562 n=40+39)
Compiler                        133ms ±20%        136ms ±19%    ~     (p=0.256 n=39+39)
SSA                             17.1s ± 5%        17.2s ± 6%    ~     (p=0.272 n=39+40)
Flate                           195ms ±17%        200ms ±15%    ~     (p=0.152 n=40+39)
GoParser                        401ms ±11%        406ms ± 9%    ~     (p=0.180 n=40+40)
Reflect                         830ms ±11%        819ms ±12%    ~     (p=0.326 n=40+40)
Tar                             275ms ±10%        275ms ±15%    ~     (p=0.996 n=40+39)
XML                             381ms ±11%        380ms ±10%    ~     (p=0.989 n=40+40)
LinkCompiler                    757ms ± 9%        768ms ± 8%    ~     (p=0.090 n=37+40)
ExternalLinkCompiler            1.66s ± 5%        1.67s ± 6%    ~     (p=0.064 n=39+40)
LinkWithoutDebugCompiler        356ms ± 9%        360ms ±12%    ~     (p=0.528 n=38+40)

name                      old text-bytes    new text-bytes    delta
HelloSize                       764kB ± 0%        763kB ± 0%  -0.11%  (p=0.000 n=40+40)
CmdGoSize                      10.4MB ± 0%       10.4MB ± 0%  -0.06%  (p=0.000 n=40+40)

name                      old data-bytes    new data-bytes    delta
HelloSize                      13.6kB ± 0%       13.6kB ± 0%    ~     (all equal)
CmdGoSize                       305kB ± 0%        305kB ± 0%    ~     (all equal)

name                      old bss-bytes     new bss-bytes     delta
HelloSize                       211kB ± 0%        211kB ± 0%    ~     (all equal)
CmdGoSize                       247kB ± 0%        247kB ± 0%    ~     (all equal)

name                      old exe-bytes     new exe-bytes     delta
HelloSize                      1.20MB ± 0%       1.20MB ± 0%  -0.00%  (p=0.000 n=40+40)
CmdGoSize                      15.3MB ± 0%       15.3MB ± 0%  -0.06%  (p=0.000 n=40+40)
cuiweixie added a commit to cuiweixie/go that referenced this issue Aug 1, 2022
Fixes golang#54120

compilebench between master and this cl
name                      old time/op       new time/op       delta
Template                        264ms ±13%        271ms ±15%    ~     (p=0.061 n=40+40)
Unicode                         143ms ±22%        144ms ±15%    ~     (p=0.707 n=39+40)
GoTypes                         1.55s ± 6%        1.56s ± 7%    ~     (p=0.090 n=39+38)
Compiler                        112ms ±24%        114ms ±21%    ~     (p=0.435 n=40+38)
SSA                             12.7s ± 4%        12.8s ± 4%  +0.89%  (p=0.025 n=40+40)
Flate                           166ms ±18%        167ms ±10%    ~     (p=0.225 n=39+37)
GoParser                        332ms ±11%        336ms ±12%    ~     (p=0.272 n=40+39)
Reflect                         660ms ±10%        658ms ±10%    ~     (p=1.000 n=39+39)
Tar                             227ms ±13%        227ms ±15%    ~     (p=0.754 n=40+38)
XML                             315ms ±15%        315ms ±10%    ~     (p=0.807 n=40+40)
LinkCompiler                    489ms ± 9%        497ms ± 8%    ~     (p=0.079 n=40+40)
ExternalLinkCompiler            1.54s ± 4%        1.54s ± 5%    ~     (p=0.449 n=40+39)
LinkWithoutDebugCompiler        309ms ± 9%        313ms ±15%    ~     (p=0.515 n=38+40)
StdCmd                          26.6s ± 3%        26.8s ± 4%  +0.88%  (p=0.027 n=40+38)

name                      old user-time/op  new user-time/op  delta
Template                        323ms ±15%        327ms ±12%    ~     (p=0.298 n=40+39)
Unicode                         172ms ±17%        170ms ±18%    ~     (p=0.677 n=40+40)
GoTypes                         1.98s ± 7%        1.99s ± 6%    ~     (p=0.562 n=40+39)
Compiler                        133ms ±20%        136ms ±19%    ~     (p=0.256 n=39+39)
SSA                             17.1s ± 5%        17.2s ± 6%    ~     (p=0.272 n=39+40)
Flate                           195ms ±17%        200ms ±15%    ~     (p=0.152 n=40+39)
GoParser                        401ms ±11%        406ms ± 9%    ~     (p=0.180 n=40+40)
Reflect                         830ms ±11%        819ms ±12%    ~     (p=0.326 n=40+40)
Tar                             275ms ±10%        275ms ±15%    ~     (p=0.996 n=40+39)
XML                             381ms ±11%        380ms ±10%    ~     (p=0.989 n=40+40)
LinkCompiler                    757ms ± 9%        768ms ± 8%    ~     (p=0.090 n=37+40)
ExternalLinkCompiler            1.66s ± 5%        1.67s ± 6%    ~     (p=0.064 n=39+40)
LinkWithoutDebugCompiler        356ms ± 9%        360ms ±12%    ~     (p=0.528 n=38+40)

name                      old text-bytes    new text-bytes    delta
HelloSize                       764kB ± 0%        763kB ± 0%  -0.11%  (p=0.000 n=40+40)
CmdGoSize                      10.4MB ± 0%       10.4MB ± 0%  -0.06%  (p=0.000 n=40+40)

name                      old data-bytes    new data-bytes    delta
HelloSize                      13.6kB ± 0%       13.6kB ± 0%    ~     (all equal)
CmdGoSize                       305kB ± 0%        305kB ± 0%    ~     (all equal)

name                      old bss-bytes     new bss-bytes     delta
HelloSize                       211kB ± 0%        211kB ± 0%    ~     (all equal)
CmdGoSize                       247kB ± 0%        247kB ± 0%    ~     (all equal)

name                      old exe-bytes     new exe-bytes     delta
HelloSize                      1.20MB ± 0%       1.20MB ± 0%  -0.00%  (p=0.000 n=40+40)
CmdGoSize                      15.3MB ± 0%       15.3MB ± 0%  -0.06%  (p=0.000 n=40+40)
cuiweixie added a commit to cuiweixie/go that referenced this issue Aug 1, 2022
Fixes golang#54120

compilebench between master and this cl
name                      old time/op       new time/op       delta
Template                        264ms ±13%        271ms ±15%    ~     (p=0.061 n=40+40)
Unicode                         143ms ±22%        144ms ±15%    ~     (p=0.707 n=39+40)
GoTypes                         1.55s ± 6%        1.56s ± 7%    ~     (p=0.090 n=39+38)
Compiler                        112ms ±24%        114ms ±21%    ~     (p=0.435 n=40+38)
SSA                             12.7s ± 4%        12.8s ± 4%  +0.89%  (p=0.025 n=40+40)
Flate                           166ms ±18%        167ms ±10%    ~     (p=0.225 n=39+37)
GoParser                        332ms ±11%        336ms ±12%    ~     (p=0.272 n=40+39)
Reflect                         660ms ±10%        658ms ±10%    ~     (p=1.000 n=39+39)
Tar                             227ms ±13%        227ms ±15%    ~     (p=0.754 n=40+38)
XML                             315ms ±15%        315ms ±10%    ~     (p=0.807 n=40+40)
LinkCompiler                    489ms ± 9%        497ms ± 8%    ~     (p=0.079 n=40+40)
ExternalLinkCompiler            1.54s ± 4%        1.54s ± 5%    ~     (p=0.449 n=40+39)
LinkWithoutDebugCompiler        309ms ± 9%        313ms ±15%    ~     (p=0.515 n=38+40)
StdCmd                          26.6s ± 3%        26.8s ± 4%  +0.88%  (p=0.027 n=40+38)

name                      old user-time/op  new user-time/op  delta
Template                        323ms ±15%        327ms ±12%    ~     (p=0.298 n=40+39)
Unicode                         172ms ±17%        170ms ±18%    ~     (p=0.677 n=40+40)
GoTypes                         1.98s ± 7%        1.99s ± 6%    ~     (p=0.562 n=40+39)
Compiler                        133ms ±20%        136ms ±19%    ~     (p=0.256 n=39+39)
SSA                             17.1s ± 5%        17.2s ± 6%    ~     (p=0.272 n=39+40)
Flate                           195ms ±17%        200ms ±15%    ~     (p=0.152 n=40+39)
GoParser                        401ms ±11%        406ms ± 9%    ~     (p=0.180 n=40+40)
Reflect                         830ms ±11%        819ms ±12%    ~     (p=0.326 n=40+40)
Tar                             275ms ±10%        275ms ±15%    ~     (p=0.996 n=40+39)
XML                             381ms ±11%        380ms ±10%    ~     (p=0.989 n=40+40)
LinkCompiler                    757ms ± 9%        768ms ± 8%    ~     (p=0.090 n=37+40)
ExternalLinkCompiler            1.66s ± 5%        1.67s ± 6%    ~     (p=0.064 n=39+40)
LinkWithoutDebugCompiler        356ms ± 9%        360ms ±12%    ~     (p=0.528 n=38+40)

name                      old text-bytes    new text-bytes    delta
HelloSize                       764kB ± 0%        763kB ± 0%  -0.11%  (p=0.000 n=40+40)
CmdGoSize                      10.4MB ± 0%       10.4MB ± 0%  -0.06%  (p=0.000 n=40+40)

name                      old data-bytes    new data-bytes    delta
HelloSize                      13.6kB ± 0%       13.6kB ± 0%    ~     (all equal)
CmdGoSize                       305kB ± 0%        305kB ± 0%    ~     (all equal)

name                      old bss-bytes     new bss-bytes     delta
HelloSize                       211kB ± 0%        211kB ± 0%    ~     (all equal)
CmdGoSize                       247kB ± 0%        247kB ± 0%    ~     (all equal)

name                      old exe-bytes     new exe-bytes     delta
HelloSize                      1.20MB ± 0%       1.20MB ± 0%  -0.00%  (p=0.000 n=40+40)
CmdGoSize                      15.3MB ± 0%       15.3MB ± 0%  -0.06%  (p=0.000 n=40+40)
cuiweixie added a commit to cuiweixie/go that referenced this issue Aug 3, 2022
cuiweixie added a commit to cuiweixie/go that referenced this issue Aug 3, 2022
cuiweixie added a commit to cuiweixie/go that referenced this issue Aug 3, 2022
@cuiweixie
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@randall77 I have merge the two rules to one, how about it?

cuiweixie added a commit to cuiweixie/go that referenced this issue Aug 5, 2022
jproberts pushed a commit to jproberts/go that referenced this issue Aug 10, 2022
Fixes golang#54120

Change-Id: I6915b6e8d459d9becfdef4fdcba95ee4dea6af05
GitHub-Last-Rev: 03f1994
GitHub-Pull-Request: golang#54126
Reviewed-on: https://go-review.googlesource.com/c/go/+/420115
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
Run-TryBot: Wayne Zuo <wdvxdr@golangcn.org>
@golang golang locked and limited conversation to collaborators Aug 8, 2023
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