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prattmic opened this issue Jul 12, 2022 · 83 comments
Open

runtime: convert atomic values to runtime/internal/atomic types #53821

prattmic opened this issue Jul 12, 2022 · 83 comments
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compiler/runtime Issues related to the Go compiler and/or runtime.
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runtime/internal/atomic added Int32, etc types a while ago, which are slowing getting used on new code. We should also go through existing code and convert bare atomic values to use the atomic types.
@prattmic prattmic added this to the Backlog milestone Jul 12, 2022
@prattmic prattmic self-assigned this Jul 12, 2022
@gopherbot gopherbot added the compiler/runtime Issues related to the Go compiler and/or runtime. label Jul 12, 2022
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Change https://go.dev/cl/417784 mentions this issue: runtime: convert gcController.dedicatedMarkWorkersNeeded to atomic type

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Change https://go.dev/cl/417782 mentions this issue: runtime: convert gcController.fractionalMarkTime to atomic type

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Change https://go.dev/cl/417775 mentions this issue: runtime: convert gcController.heapLive to atomic type

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Change https://go.dev/cl/417778 mentions this issue: runtime: convert gcController.maxStackScan to atomic type

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Change https://go.dev/cl/417783 mentions this issue: runtime: convert gcController.idleMarkTime to atomic type

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Change https://go.dev/cl/417777 mentions this issue: runtime: convert gcController.lastStackScan to atomic type

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Change https://go.dev/cl/417781 mentions this issue: runtime: convert gcController.dedicatedMarkTime to atomic type

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Change https://go.dev/cl/417780 mentions this issue: runtime: convert gcController.bgScanCredit to atomic type

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Change https://go.dev/cl/417776 mentions this issue: runtime: convert gcController.heapScan to atomic type

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Change https://go.dev/cl/417779 mentions this issue: runtime: convert gcController.globalsScan to atomic type

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Change https://go.dev/cl/419444 mentions this issue: runtime: convert schedt.ngsys to atomic type

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Change https://go.dev/cl/419437 mentions this issue: runtime: convert runningPanicDefers to atomic type

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Change https://go.dev/cl/419438 mentions this issue: runtime: convert panicking to atomic type

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Change https://go.dev/cl/419442 mentions this issue: runtime: convert schedt.lastpoll to atomic type

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Change https://go.dev/cl/419445 mentions this issue: runtime: convert schedt.npidle to atomic type

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Change https://go.dev/cl/419443 mentions this issue: runtime: convert schedt.pollUntil to atomic type

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Change https://go.dev/cl/419439 mentions this issue: runtime: convert schedt.goidgen to atomic type

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Change https://go.dev/cl/419436 mentions this issue: runtime: convert pendingPreemptSignals to atomic type

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Change https://go.dev/cl/419446 mentions this issue: runtime: convert schedt.nmspinning to atomic type

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Change https://go.dev/cl/419448 mentions this issue: runtime: convert schedt.sysmonwait to atomic type

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Change https://go.dev/cl/419449 mentions this issue: runtime: convert timeHistogram to atomic types

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Change https://go.dev/cl/419447 mentions this issue: runtime: convert schedt.gcwaiting to atomic type

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Change https://go.dev/cl/420195 mentions this issue: runtime: convert prof.signalLock to atomic type

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Change https://go.dev/cl/420196 mentions this issue: runtime: convert prof.hz to atomic type

@prattmic prattmic mentioned this issue Jul 29, 2022
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cuiweixie added a commit to cuiweixie/go that referenced this issue Sep 2, 2022
@cuiweixie
runtime: convert local var started,progress at TestStackGrowth to ato…
b9a8021 
…mic type

For golang#53821

Change-Id: I9c777ff642ea4b70073335279551cea6a2394569
cuiweixie added a commit to cuiweixie/go that referenced this issue Sep 2, 2022
@cuiweixie
runtime: convert local var stop at TestAfterStress to atomic type
c8cacc4 
For golang#53821

Change-Id: I7e86dac34691f7752f68879ff379061f3435cd45
@cuishuang cuishuang mentioned this issue Sep 4, 2022
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Change https://go.dev/cl/428335 mentions this issue: internal: convert calls to atomic type

@cuishuang cuishuang mentioned this issue Sep 4, 2022
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Change https://go.dev/cl/428336 mentions this issue: net/http: convert allowQuerySemicolonsInUse to atomic type

@cuishuang cuishuang mentioned this issue Sep 4, 2022
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Change https://go.dev/cl/428195 mentions this issue: expvar: convert f to atomic type

@cuishuang cuishuang mentioned this issue Sep 4, 2022
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Change https://go.dev/cl/428196 mentions this issue: runtime: convert timer.status to atomic type

gopherbot pushed a commit that referenced this issue Sep 5, 2022
@panjf2000 @mvdan
runtime: convert g.atomicstatus to internal atomic type
3fbcf05 
Note that this changes some unsynchronized operations of g.atomicstatus to synchronized operations.

Updates #53821

Change-Id: If249d62420ea09fbec39b570942f96c63669c333
Reviewed-on: https://go-review.googlesource.com/c/go/+/425363
TryBot-Result: Gopher Robot <[email protected]>
Run-TryBot: Cuong Manh Le <[email protected]>
Reviewed-by: Michael Knyszek <[email protected]>
Reviewed-by: Heschi Kreinick <[email protected]>
gopherbot pushed a commit that referenced this issue Sep 5, 2022
@cuiweixie @mvdan
runtime: convert local var stop,ready at TestDebugCallUnsafePoint to …
357b922 
…atomic type

For #53821

Change-Id: Id972d4ccadc72de69dea46f8be146c9843d1d095
Reviewed-on: https://go-review.googlesource.com/c/go/+/427135
Reviewed-by: Michael Knyszek <[email protected]>
Run-TryBot: xie cui <[email protected]>
Reviewed-by: Heschi Kreinick <[email protected]>
TryBot-Result: Gopher Robot <[email protected]>
gopherbot pushed a commit that referenced this issue Sep 5, 2022
@cuiweixie @mvdan
runtime: convert local var ready at TestMemmoveAtomicity to atomic type
7d83d32 
For #53821

Change-Id: I2487b8d18a4cd3fc6e64fbbb531419812bfe0f08
Reviewed-on: https://go-review.googlesource.com/c/go/+/427136
Run-TryBot: xie cui <[email protected]>
Reviewed-by: Michael Knyszek <[email protected]>
TryBot-Result: Gopher Robot <[email protected]>
Reviewed-by: Heschi Kreinick <[email protected]>
gopherbot pushed a commit that referenced this issue Sep 5, 2022
@cuiweixie @mvdan
runtime: convert local var cunlock at doTestParallelReaders to atomic…
02700e5 
… type

For #53821

Change-Id: I17440ea30827976a8d3755851a2496f26aea13b1
Reviewed-on: https://go-review.googlesource.com/c/go/+/427137
TryBot-Result: Gopher Robot <[email protected]>
Run-TryBot: xie cui <[email protected]>
Reviewed-by: Michael Knyszek <[email protected]>
Reviewed-by: Heschi Kreinick <[email protected]>
gopherbot pushed a commit that referenced this issue Sep 5, 2022
@cuiweixie @mvdan
runtime: convert local var started,progress at TestStackGrowth to ato…
4ad55cd 
…mic type

For #53821

Change-Id: I9c777ff642ea4b70073335279551cea6a2394569
Reviewed-on: https://go-review.googlesource.com/c/go/+/427138
Run-TryBot: xie cui <[email protected]>
TryBot-Result: Gopher Robot <[email protected]>
Reviewed-by: Michael Knyszek <[email protected]>
Reviewed-by: Heschi Kreinick <[email protected]>
gopherbot pushed a commit that referenced this issue Sep 5, 2022
@cuiweixie @mvdan
runtime: convert local var stop at TestAfterStress to atomic type
af7f417 
For #53821

Change-Id: I7e86dac34691f7752f68879ff379061f3435cd45
Reviewed-on: https://go-review.googlesource.com/c/go/+/427139
Reviewed-by: Michael Knyszek <[email protected]>
TryBot-Result: Gopher Robot <[email protected]>
Run-TryBot: xie cui <[email protected]>
Reviewed-by: Heschi Kreinick <[email protected]>
@cuishuang cuishuang mentioned this issue Sep 6, 2022
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Change https://go.dev/cl/428477 mentions this issue: crypto/rand: convert r.used to atomic type

@cuishuang cuishuang mentioned this issue Sep 6, 2022
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Change https://go.dev/cl/428576 mentions this issue: sumdb: convert variable to atomic type

@cuishuang cuishuang mentioned this issue Sep 7, 2022
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Change https://go.dev/cl/428919 mentions this issue: crypto/tls: convert Conn.activeCall to atomic type

@cuishuang cuishuang mentioned this issue Sep 7, 2022
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Change https://go.dev/cl/428920 mentions this issue: compile/internal: convert Named.state_ to atomic type

gopherbot pushed a commit that referenced this issue Sep 7, 2022
@cuishuang @gopherbot
internal: convert calls to atomic type
cdc6aeb 
For #53821

Change-Id: Iee8ccea714726bbb6a4b384887bb107c29b823a9
GitHub-Last-Rev: 119aad3
GitHub-Pull-Request: #54862
Reviewed-on: https://go-review.googlesource.com/c/go/+/428335
TryBot-Result: Gopher Robot <[email protected]>
Run-TryBot: Bryan Mills <[email protected]>
Auto-Submit: Bryan Mills <[email protected]>
Reviewed-by: Bryan Mills <[email protected]>
Reviewed-by: Keith Randall <[email protected]>
gopherbot pushed a commit that referenced this issue Sep 9, 2022
@cuishuang @neild
net/http: convert allowQuerySemicolonsInUse to atomic type
b244b89 
For #53821

Change-Id: I135783bd5472011f6a74d2f5ee34ce96ff49ad2b
GitHub-Last-Rev: 4da2d67
GitHub-Pull-Request: #54863
Reviewed-on: https://go-review.googlesource.com/c/go/+/428336
TryBot-Result: Gopher Robot <[email protected]>
Reviewed-by: Damien Neil <[email protected]>
Run-TryBot: Bryan Mills <[email protected]>
Reviewed-by: Bryan Mills <[email protected]>
@prattmic
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I did some initial benchmarking with x/bench/sweet on linux-arm64 to look for potential effects of these changes.

As of 0e16d67 (Aug 29), I see (vs 1.19):

name                                old time/op            new time/op            delta
BiogoIgor                                      11.7s ± 1%             11.2s ± 1%  -4.30%  (p=0.000 n=10+9)
BiogoKrishna                                   16.1s ± 0%             16.0s ± 0%  -0.41%  (p=0.000 n=10+10)
BleveIndexBatch100                             5.21s ± 3%             5.05s ± 1%  -2.98%  (p=0.000 n=10+10)
BleveQuery                                     2.45s ± 0%             2.46s ± 1%  +0.35%  (p=0.035 n=9+10)
FoglemanPathTraceRenderGopherIter1             18.5s ± 3%             18.4s ± 2%    ~     (p=0.796 n=10+10)
GopherLuaKNucleotide                           27.5s ± 1%             28.4s ± 1%  +3.13%  (p=0.000 n=10+10)
MarkdownRenderXHTML                            232ms ± 1%             236ms ± 1%  +1.43%  (p=0.000 n=9+10)
[Geo mean]                                     6.01s                  5.98s       -0.49%

name                                old average-RSS-bytes  new average-RSS-bytes  delta
BiogoIgor                                     67.5MB ± 5%            65.4MB ± 5%    ~     (p=0.105 n=10+10)
BiogoKrishna                                  4.19GB ± 0%            4.12GB ± 0%  -1.58%  (p=0.000 n=8+8)
BleveIndexBatch100                             202MB ± 2%             200MB ± 3%    ~     (p=0.165 n=10+10)
BleveQuery                                     535MB ± 1%             534MB ± 0%    ~     (p=0.905 n=10+9)
FoglemanPathTraceRenderGopherIter1             138MB ± 1%             137MB ± 2%  -1.09%  (p=0.043 n=10+10)
GopherLuaKNucleotide                          39.3MB ± 5%            38.7MB ± 3%    ~     (p=0.182 n=10+9)
MarkdownRenderXHTML                           22.2MB ± 7%            21.6MB ± 5%    ~     (p=0.133 n=10+9)
[Geo mean]                                     167MB                  165MB       -1.60%

name                                old peak-RSS-bytes     new peak-RSS-bytes     delta
BiogoIgor                                     92.3MB ± 4%            89.7MB ± 3%  -2.86%  (p=0.007 n=10+9)
BiogoKrishna                                  4.56GB ± 0%            4.49GB ± 0%  -1.50%  (p=0.000 n=10+10)
BleveIndexBatch100                             287MB ± 3%             285MB ± 4%    ~     (p=0.497 n=9+10)
BleveQuery                                     536MB ± 1%             536MB ± 0%    ~     (p=0.436 n=10+10)
FoglemanPathTraceRenderGopherIter1             185MB ± 1%             183MB ± 1%  -1.04%  (p=0.023 n=10+10)
GopherLuaKNucleotide                          44.2MB ± 7%            45.4MB ± 4%    ~     (p=0.356 n=9+10)
MarkdownRenderXHTML                           23.0MB ± 6%            22.3MB ± 9%    ~     (p=0.143 n=10+10)
[Geo mean]                                     198MB                  197MB       -0.88%

name                                old peak-VM-bytes      new peak-VM-bytes      delta
BiogoIgor                                      807MB ± 0%             804MB ± 0%  -0.27%  (p=0.000 n=10+10)
BiogoKrishna                                  5.31GB ± 0%            5.24GB ± 0%  -1.30%  (p=0.000 n=10+9)
BleveIndexBatch100                            2.39GB ± 0%            2.39GB ± 0%  -0.16%  (p=0.000 n=9+10)
BleveQuery                                    3.71GB ± 0%            3.66GB ± 3%  -1.40%  (p=0.003 n=8+10)
FoglemanPathTraceRenderGopherIter1             876MB ± 0%             873MB ± 0%  -0.33%  (p=0.000 n=10+10)
GopherLuaKNucleotide                           735MB ± 0%             734MB ± 0%  -0.13%  (p=0.000 n=10+10)
MarkdownRenderXHTML                            734MB ± 0%             733MB ± 0%  -0.15%  (p=0.000 n=10+10)
[Geo mean]                                    1.51GB                 1.50GB       -0.54%

Most of this improvement is likely from https://go.dev/cl/422634.

I intend to further investigate GopherLuaKNucleotide and MarkdownRenderXHTML to determine the source of regression.

gopherbot pushed a commit that referenced this issue Sep 13, 2022
@cuishuang @gopherbot
runtime: convert timer.status to atomic type
f78efc0 
For #53821

Change-Id: I7cb6a16626964d5023b96609d9921bfe4a679d8f
GitHub-Last-Rev: ddfce12
GitHub-Pull-Request: #54865
Reviewed-on: https://go-review.googlesource.com/c/go/+/428196
Reviewed-by: Keith Randall <[email protected]>
Reviewed-by: Jenny Rakoczy <[email protected]>
Auto-Submit: Jenny Rakoczy <[email protected]>
Reviewed-by: Keith Randall <[email protected]>
Run-TryBot: Michael Pratt <[email protected]>
TryBot-Result: Gopher Robot <[email protected]>
gopherbot pushed a commit that referenced this issue Oct 1, 2022
@cuishuang @mvdan
crypto/rand: convert r.used to atomic type
5f566d3 
For #53821

Change-Id: I1b5c62288eca20ff50f6d8d979cf82df24d4545b
GitHub-Last-Rev: 2661485
GitHub-Pull-Request: #54884
Reviewed-on: https://go-review.googlesource.com/c/go/+/428477
Reviewed-by: Cherry Mui <[email protected]>
Reviewed-by: Keith Randall <[email protected]>
Reviewed-by: Keith Randall <[email protected]>
Run-TryBot: Cherry Mui <[email protected]>
TryBot-Result: Gopher Robot <[email protected]>
gopherbot pushed a commit that referenced this issue Nov 10, 2022
@cuishuang @gopherbot
expvar: convert f to atomic type
d2aa787 
For #53821

Change-Id: I2e7c5376e6ca3e3dbb2f92ad771aed62fca8b793
GitHub-Last-Rev: b67ddf8
GitHub-Pull-Request: #54864
Reviewed-on: https://go-review.googlesource.com/c/go/+/428195
Reviewed-by: Ian Lance Taylor <[email protected]>
TryBot-Result: Gopher Robot <[email protected]>
Reviewed-by: Keith Randall <[email protected]>
Auto-Submit: Ian Lance Taylor <[email protected]>
Reviewed-by: Keith Randall <[email protected]>
Run-TryBot: Ian Lance Taylor <[email protected]>
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