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Optimize Label.String() #15089
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Optimize Label.String() #15089
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Feb 24, 2021
Could you update with benchmem too? |
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Please update the commit message since the changes do not reflect the message.
aanm
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Since we're not scrambling the value each loop, hopefully there are no compiler optimizations skewing the results. |
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christarazi
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Feb 25, 2021
Currently Hubble calls Label.String() for each label in every flow. This PR micro-optimizes Label.String() by using the plus operator instead of fmt.Sprintf. ``` // Before BenchmarkLabel_String-8 5566522 214 ns/op 96B/op 4 allocs/op // After BenchmarkLabel_String-8 19522693 60.6 ns/op 48 B/op 1 allocs/op ``` Signed-off-by: Michi Mutsuzaki <michi@isovalent.com>
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Impacts hubble server or relay
kind/cleanup
This includes no functional changes.
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Mar 9, 2021
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Labels
kind/cleanup
This includes no functional changes.
release-note/misc
This PR makes changes that have no direct user impact.
sig/hubble
Impacts hubble server or relay
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Currently Hubble calls Label.String() for each label in every flow. This
PR micro-optimizes Label.String() by using the plus operator instead of
fmt.Sprintf.
Signed-off-by: Michi Mutsuzaki michi@isovalent.com