add benchmark test and results (82531576) · Commits · blackheaven / tinygraphs

controllers/squares/square_test.go

+21 −0

Original line number	Diff line number	Diff line
		package squares

		import (
		"bufio"
		"net/http"
		"net/http/httptest"
		"strings"
		"testing"

		"github.com/taironas/route"
		@@ -48,3 +50,22 @@ func TestSquares(t *testing.T) {
		}
		}
		}

		func BenchmarkSquares(b *testing.B) {
		r := new(route.Router)
		r.HandleFunc("/squares/:key", Square)

		request := req(b, "GET /squares/test HTTP/1.0\r\n\r\n")
		for i := 0; i < b.N; i++ {
		recorder := httptest.NewRecorder()
		r.ServeHTTP(recorder, request)
		}
		}

		func req(tb testing.TB, v string) *http.Request {
		req, err := http.ReadRequest(bufio.NewReader(strings.NewReader(v)))
		if err != nil {
		tb.Fatal(err)
		}
		return req
		}

docs/squaresBenchmarks.md

0 → 100644

+93 −0

Original line number	Diff line number	Diff line
		Squares Benchmark
		=================

		~~~
		> pwd
		➜ ~/Developer/go/src/github.com/taironas/tinygraphs/controllers/squares
		> go test -v -run=^$ -bench=.
		PASS
		BenchmarkSquares-8 200 6899024 ns/op
		ok github.com/taironas/tinygraphs/controllers/squares 2.097s
		~~~

		~~~
		>➜go test -v -run=^$ -bench=^BenchmarkSquares$ -benchtime=2s -cpuprofile=prof.cpu
		PASS
		BenchmarkSquares-8 500 6758214 ns/op
		ok github.com/taironas/tinygraphs/controllers/squares 4.096s
		~~~

		~~~
		> go tool pprof squares.test prof.cpu
		Entering interactive mode (type "help" for commands)
		(pprof) top
		3510ms of 3930ms total (89.31%)
		Dropped 42 nodes (cum <= 19.65ms)
		Showing top 10 nodes out of 76 (cum >= 70ms)
		flat flat% sum% cum cum%
		2870ms 73.03% 73.03% 2870ms 73.03% runtime.mach_semaphore_wait
		110ms 2.80% 75.83% 110ms 2.80% runtime.mach_semaphore_signal
		100ms 2.54% 78.37% 100ms 2.54% image/jpeg.fdct
		80ms 2.04% 80.41% 80ms 2.04% runtime.memmove
		70ms 1.78% 82.19% 70ms 1.78% runtime.mach_semaphore_timedwait
		60ms 1.53% 83.72% 530ms 13.49% github.com/taironas/tinygraphs/draw/squares.Image
		60ms 1.53% 85.24% 160ms 4.07% image.(*RGBA).Set
		60ms 1.53% 86.77% 90ms 2.29% runtime.scanobject
		50ms 1.27% 88.04% 150ms 3.82% image/jpeg.(*encoder).writeBlock
		50ms 1.27% 89.31% 70ms 1.78% image/jpeg.rgbaToYCbCr
		(pprof) top --cum
		2.88s of 3.93s total (73.28%)
		Dropped 42 nodes (cum <= 0.02s)
		Showing top 10 nodes out of 76 (cum >= 2.63s)
		flat flat% sum% cum cum%
		0.01s 0.25% 0.25% 3.04s 77.35% runtime.systemstack
		0 0% 0.25% 2.94s 74.81% runtime.semasleep.func1
		0 0% 0.25% 2.94s 74.81% runtime.semasleep1
		0 0% 0.25% 2.90s 73.79% runtime.schedule
		0 0% 0.25% 2.88s 73.28% runtime.stopm
		2.87s 73.03% 73.28% 2.87s 73.03% runtime.mach_semaphore_wait
		0 0% 73.28% 2.87s 73.03% runtime.notesleep
		0 0% 73.28% 2.87s 73.03% runtime.semasleep
		0 0% 73.28% 2.67s 67.94% runtime.findrunnable
		0 0% 73.28% 2.63s 66.92% runtime.mcall
		(pprof)
		~~~

		~~~
		> go test -v -run=^$ -bench=^BenchmarkSquares$ -benchtime=2s -memprofile=prof.mem
		PASS
		BenchmarkSquares-8 500 6829991 ns/op
		ok github.com/taironas/tinygraphs/controllers/squares 4.135s
		~~~

		~~~
		go tool pprof --alloc_space squares.test prof.mem
		Entering interactive mode (type "help" for commands)
		(pprof) top
		723.66MB of 729.17MB total (99.24%)
		Dropped 25 nodes (cum <= 3.65MB)
		flat flat% sum% cum cum%
		565.51MB 77.56% 77.56% 565.51MB 77.56% github.com/taironas/tinygraphs/draw/squares.Image
		158.15MB 21.69% 99.24% 727.17MB 99.73% github.com/taironas/tinygraphs/controllers/squares.Square
		0 0% 99.24% 728.67MB 99.93% github.com/taironas/route.(*Router).ServeHTTP
		0 0% 99.24% 727.17MB 99.73% github.com/taironas/route.clearHandler.func1
		0 0% 99.24% 728.67MB 99.93% github.com/taironas/tinygraphs/controllers/squares.BenchmarkSquares
		0 0% 99.24% 727.17MB 99.73% net/http.HandlerFunc.ServeHTTP
		0 0% 99.24% 728.67MB 99.93% runtime.goexit
		0 0% 99.24% 728.67MB 99.93% testing.(*B).launch
		0 0% 99.24% 728.67MB 99.93% testing.(*B).runN
		(pprof) top --cum
		723.66MB of 729.17MB total (99.24%)
		Dropped 25 nodes (cum <= 3.65MB)
		flat flat% sum% cum cum%
		0 0% 0% 728.67MB 99.93% github.com/taironas/route.(*Router).ServeHTTP
		0 0% 0% 728.67MB 99.93% github.com/taironas/tinygraphs/controllers/squares.BenchmarkSquares
		0 0% 0% 728.67MB 99.93% runtime.goexit
		0 0% 0% 728.67MB 99.93% testing.(*B).launch
		0 0% 0% 728.67MB 99.93% testing.(*B).runN
		0 0% 0% 727.17MB 99.73% github.com/taironas/route.clearHandler.func1
		158.15MB 21.69% 21.69% 727.17MB 99.73% github.com/taironas/tinygraphs/controllers/squares.Square
		0 0% 21.69% 727.17MB 99.73% net/http.HandlerFunc.ServeHTTP
		565.51MB 77.56% 99.24% 565.51MB 77.56% github.com/taironas/tinygraphs/draw/squares.Image
		(pprof)
		~~~