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Print percentiles in benchmark #2699

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@RomanZavodskikh RomanZavodskikh commented Oct 23, 2023

This is needed to improve the performance impact of this component.

rzavodskikh@ZALANDO-39125:~/skipper$ for i in {1..20}; do go test -benchmem -run=^$ -bench ^BenchmarkGetInflightRequests$ github.com/zalando/skipper/routing |& tee -a output; done
rzavodskikh@ZALANDO-39125:~/skipper$ benchstat output  | grep P99
GetInflightRequests/1_goroutines/P99-16       2.094µ ±  9%
GetInflightRequests/2_goroutines/P99-16       2.079µ ±  6%
GetInflightRequests/3_goroutines/P99-16       2.084µ ±  8%
GetInflightRequests/4_goroutines/P99-16       2.074µ ± 11%
GetInflightRequests/5_goroutines/P99-16       2.033µ ±  9%
GetInflightRequests/6_goroutines/P99-16       1.688µ ± 51%
GetInflightRequests/7_goroutines/P99-16       1.653µ ± 37%
GetInflightRequests/8_goroutines/P99-16       1.833µ ± 62%
GetInflightRequests/12_goroutines/P99-16      941.0n ± 61%
GetInflightRequests/16_goroutines/P99-16      1.182µ ± 71%
GetInflightRequests/24_goroutines/P99-16      782.0n ± 59%
GetInflightRequests/32_goroutines/P99-16      2.024µ ± 38%
GetInflightRequests/48_goroutines/P99-16      1.954µ ± 61%
GetInflightRequests/64_goroutines/P99-16      2.024µ ± 12%
GetInflightRequests/128_goroutines/P99-16     2.054µ ±  8%
GetInflightRequests/256_goroutines/P99-16     1.934µ ±  3%
GetInflightRequests/512_goroutines/P99-16     1.914µ ±  7%
GetInflightRequests/768_goroutines/P99-16     2.044µ ±  8%
GetInflightRequests/1024_goroutines/P99-16    2.043µ ±  7%
GetInflightRequests/1536_goroutines/P99-16    2.144µ ±  7%
GetInflightRequests/2048_goroutines/P99-16    2.104µ ±  6%
GetInflightRequests/4096_goroutines/P99-16    2.525µ ± 37%
GetInflightRequests/8192_goroutines/P99-16    2.385µ ± 23%
GetInflightRequests/16384_goroutines/P99-16   1.263µ ± 52%
GetInflightRequests/32768_goroutines/P99-16   301.0n ± 70%
rzavodskikh@ZALANDO-39125:~/skipper$ 

go.mod Outdated
@@ -72,6 +72,7 @@ require (
github.com/OneOfOne/xxhash v1.2.8 // indirect
github.com/agnivade/levenshtein v1.1.1 // indirect
github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da // indirect
github.com/benburkert/pbench v0.0.0-20160623210926-4ec5821845ef // indirect
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dependency from 2016, do we need this or can we copy a function into our code base?

@@ -93,6 +94,7 @@ require (
github.com/envoyproxy/protoc-gen-validate v1.0.2 // indirect
github.com/felixge/httpsnoop v1.0.3 // indirect
github.com/fsnotify/fsnotify v1.6.0 // indirect
github.com/gavv/monotime v0.0.0-20190418164738-30dba4353424 // indirect
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dependency from 2019 maybe we can copy a func to our own repository

This is needed to improve the performance impact of this component.

Signed-off-by: Roman Zavodskikh <roman.zavodskikh@zalando.de>
@RomanZavodskikh RomanZavodskikh added the minor no risk changes, for example new filters label Nov 21, 2024
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