enginepb: use struct equality comparison in MVCCValueHeader.IsEmpty#111375
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Now that we're on Go 1.20, the regression is gone.
```
goos: linux
goarch: amd64
cpu: Intel(R) Xeon(R) CPU @ 2.80GHz
│ old.txt │ new.txt │
│ sec/op │ sec/op vs base │
EncodeMVCCValue/header=empty/value=tombstone-24 4.797n ± 0% 4.809n ± 0% +0.26% (p=0.000 n=10)
EncodeMVCCValue/header=empty/value=short-24 4.796n ± 0% 4.809n ± 0% +0.27% (p=0.000 n=10)
EncodeMVCCValue/header=empty/value=long-24 4.797n ± 0% 4.809n ± 0% +0.26% (p=0.000 n=10)
EncodeMVCCValue/header=local_walltime/value=tombstone-24 54.16n ± 1% 53.56n ± 0% -1.10% (p=0.000 n=10)
EncodeMVCCValue/header=local_walltime/value=short-24 56.71n ± 1% 56.02n ± 1% -1.22% (p=0.001 n=10)
EncodeMVCCValue/header=local_walltime/value=long-24 1.371µ ± 3% 1.314µ ± 1% -4.16% (p=0.000 n=10)
EncodeMVCCValue/header=local_walltime+logical/value=long-24 1.346µ ± 2% 1.323µ ± 4% ~ (p=0.160 n=10)
EncodeMVCCValue/header=local_walltime+logical/value=tombstone-24 57.56n ± 2% 57.09n ± 1% -0.83% (p=0.029 n=10)
EncodeMVCCValue/header=local_walltime+logical/value=short-24 60.61n ± 1% 60.05n ± 1% -0.92% (p=0.001 n=10)
geomean 50.62n 50.10n -1.02%
```
Epic: none
Resolves cockroachdb#89199.
Release note: None
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RaduBerinde
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Sep 27, 2023
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Reviewable status:
complete! 1 of 0 LGTMs obtained (waiting on @sumeerbhola)
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TFTR! bors r=RaduBerinde |
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Build succeeded: |
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Now that we're on Go 1.20, the regression is gone.
Epic: none
Resolves #89199.
Release note: None