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Keep track of benchmark results and pprof results.
beginning of a script to automate that. #mesureBeforeImprove
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‎perf/bench/bench-a53004e-2014-08-16.txt

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PASS
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BenchmarkNoCompression 100000 17658 ns/op
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BenchmarkCompression 200000 15520 ns/op
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BenchmarkRegExpLoop 2000 930384 ns/op
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ok github.com/ant0ine/go-json-rest/rest 7.198s
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PASS
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BenchmarkNoCompression 100000 16760 ns/op
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BenchmarkCompression 200000 14842 ns/op
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BenchmarkRegExpLoop 2000 935028 ns/op
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ok github.com/ant0ine/go-json-rest/rest 6.982s
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PASS
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BenchmarkNoCompression 100000 16570 ns/op
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BenchmarkCompression 200000 15455 ns/op
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BenchmarkRegExpLoop 2000 933782 ns/op
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ok github.com/ant0ine/go-json-rest/rest 7.088s

‎perf/pprof/cpu-a53004e-2014-08-16.txt

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Total: 308 samples
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51 16.6% 16.6% 111 36.0% runtime.mallocgc
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21 6.8% 23.4% 22 7.1% settype
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19 6.2% 29.5% 19 6.2% scanblock
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18 5.8% 35.4% 19 6.2% runtime.MSpan_Sweep
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18 5.8% 41.2% 26 8.4% runtime.mapaccess1_faststr
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16 5.2% 46.4% 16 5.2% ExternalCode
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12 3.9% 50.3% 143 46.4% github.com/ant0ine/go-json-rest/rest/trie.(*node).find
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11 3.6% 53.9% 19 6.2% net/url.escape
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9 2.9% 56.8% 45 14.6% hash_insert
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8 2.6% 59.4% 60 19.5% cnew
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8 2.6% 62.0% 8 2.6% net/url.shouldEscape
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7 2.3% 64.3% 9 2.9% hash_init
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7 2.3% 66.6% 13 4.2% strings.genSplit
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6 1.9% 68.5% 21 6.8% runtime.growslice
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6 1.9% 70.5% 6 1.9% runtime.memclr
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5 1.6% 72.1% 93 30.2% github.com/ant0ine/go-json-rest/rest/trie.func·002
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5 1.6% 73.7% 5 1.6% runtime.markscan
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5 1.6% 75.3% 51 16.6% runtime.new
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4 1.3% 76.6% 189 61.4% github.com/ant0ine/go-json-rest/rest/trie.(*Trie).FindRoutesAndPathMatched
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4 1.3% 77.9% 4 1.3% github.com/ant0ine/go-json-rest/rest/trie.splitParam
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4 1.3% 79.2% 15 4.9% growslice1
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4 1.3% 80.5% 37 12.0% makemap_c
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4 1.3% 81.8% 4 1.3% runtime.mapaccess1_fast32
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4 1.3% 83.1% 4 1.3% runtime.markspan
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4 1.3% 84.4% 17 5.5% strings.SplitN
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3 1.0% 85.4% 21 6.8% MCentral_Grow
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3 1.0% 86.4% 4 1.3% assertE2Tret
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3 1.0% 87.3% 26 8.4% github.com/ant0ine/go-json-rest/rest.(*router).ofFirstDefinedRoute
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3 1.0% 88.3% 3 1.0% markonly
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3 1.0% 89.3% 3 1.0% runtime.memeqbody
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3 1.0% 90.3% 3 1.0% runtime.memhash
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2 0.6% 90.9% 2 0.6% flushptrbuf
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2 0.6% 91.6% 260 84.4% github.com/ant0ine/go-json-rest/rest.(*router).findRouteFromURL
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2 0.6% 92.2% 263 85.4% github.com/ant0ine/go-json-rest/rest.BenchmarkCompression
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2 0.6% 92.9% 39 12.7% github.com/ant0ine/go-json-rest/rest.escapedPath
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2 0.6% 93.5% 2 0.6% runtime.duffcopy
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2 0.6% 94.2% 2 0.6% runtime.fastrand1
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2 0.6% 94.8% 6 1.9% runtime.makeslice
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2 0.6% 95.5% 2 0.6% runtime.memcopy32
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2 0.6% 96.1% 2 0.6% runtime.memeq
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1 0.3% 96.4% 1 0.3% bgsweep
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1 0.3% 96.8% 20 6.5% net/url.(*URL).RequestURI
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1 0.3% 97.1% 24 7.8% runtime.cnew
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1 0.3% 97.4% 1 0.3% runtime.findfunc
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1 0.3% 97.7% 1 0.3% runtime.funcspdelta
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1 0.3% 98.1% 1 0.3% runtime.lock
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1 0.3% 98.4% 1 0.3% runtime.nanotime
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1 0.3% 98.7% 1 0.3% runtime.strcopy
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1 0.3% 99.0% 4 1.3% runtime.strhash
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1 0.3% 99.4% 1 0.3% runtime.stringiter2
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1 0.3% 99.7% 1 0.3% runtime.xadd
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1 0.3% 100.0% 1 0.3% scanbitvector
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0 0.0% 100.0% 28 9.1% GC
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0 0.0% 100.0% 1 0.3% MCentral_ReturnToHeap
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0 0.0% 100.0% 10 3.2% MHeap_AllocLocked
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0 0.0% 100.0% 1 0.3% MHeap_FreeLocked
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0 0.0% 100.0% 10 3.2% MHeap_Reclaim
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0 0.0% 100.0% 16 5.2% System
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0 0.0% 100.0% 1 0.3% clearpools
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0 0.0% 100.0% 1 0.3% concatstring
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0 0.0% 100.0% 1 0.3% copyout
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0 0.0% 100.0% 1 0.3% github.com/ant0ine/go-json-rest/rest.(*router).start
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0 0.0% 100.0% 1 0.3% github.com/ant0ine/go-json-rest/rest/trie.(*Trie).Compress
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0 0.0% 100.0% 67 21.8% github.com/ant0ine/go-json-rest/rest/trie.(*findContext).paramsAsMap
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0 0.0% 100.0% 1 0.3% github.com/ant0ine/go-json-rest/rest/trie.(*node).compress
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0 0.0% 100.0% 1 0.3% gostringsize
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0 0.0% 100.0% 4 1.3% makeslice1
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0 0.0% 100.0% 31 10.1% runtime.MCache_Refill
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0 0.0% 100.0% 31 10.1% runtime.MCentral_CacheSpan
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0 0.0% 100.0% 1 0.3% runtime.MCentral_FreeSpan
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0 0.0% 100.0% 14 4.5% runtime.MHeap_Alloc
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0 0.0% 100.0% 1 0.3% runtime.MHeap_Free
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0 0.0% 100.0% 4 1.3% runtime.assertE2T
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0 0.0% 100.0% 1 0.3% runtime.call16
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0 0.0% 100.0% 37 12.0% runtime.cnewarray
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0 0.0% 100.0% 1 0.3% runtime.concatstring2
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0 0.0% 100.0% 1 0.3% runtime.gc
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0 0.0% 100.0% 264 85.7% runtime.gosched0
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0 0.0% 100.0% 37 12.0% runtime.makemap
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0 0.0% 100.0% 45 14.6% runtime.mapassign1
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0 0.0% 100.0% 10 3.2% runtime.sweepone
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0 0.0% 100.0% 1 0.3% strings.Map
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0 0.0% 100.0% 1 0.3% strings.ToUpper
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0 0.0% 100.0% 1 0.3% sync.poolCleanup
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0 0.0% 100.0% 263 85.4% testing.(*B).launch
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0 0.0% 100.0% 263 85.4% testing.(*B).runN

‎perf/run.sh

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#!/bin/bash
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VERSION=`git log -1 --pretty=format:"%h-%ad" --date=short`
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cd ../rest && go test -c && ./rest.test -test.bench="BenchmarkCompression" -test.cpuprofile="cpu.prof"
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cd ../rest && go tool pprof --text rest.test cpu.prof > ../perf/pprof/cpu-$VERSION.txt
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cd ../rest && rm -f rest.test cpu.prof
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rm -f perf/bench/bench-$VERSION.txt
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cd ../rest && go test -bench=. >> ../perf/bench/bench-$VERSION.txt
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cd ../rest && go test -bench=. >> ../perf/bench/bench-$VERSION.txt
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cd ../rest && go test -bench=. >> ../perf/bench/bench-$VERSION.txt

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