func main() {
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
log.Fatal(err)
}
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
}
log.Print("NumCPU: ", runtime.NumCPU())
log.Print("GOMAXPROCS: ", runtime.GOMAXPROCS(-1))
metrics = make(stat.IntSlice, *sampleSize)
cfg, err := os.Open(*fixconfig)
if err != nil {
log.Fatal(err)
}
appSettings, err := quickfix.ParseSettings(cfg)
if err != nil {
log.Fatal(err)
}
logFactory := quickfix.NewNullLogFactory()
storeFactory := quickfix.NewMemoryStoreFactory()
acceptor, err := quickfix.NewAcceptor(app, storeFactory, appSettings, logFactory)
if err != nil {
log.Fatal(err)
}
if err = acceptor.Start(); err != nil {
log.Fatal(err)
}
<-allDone
elapsed := time.Since(t0)
metricsUS := make(stat.Float64Slice, *sampleSize)
for i, durationNS := range metrics {
metricsUS[i] = float64(durationNS) / 1000.0
}
mean := stat.Mean(metricsUS)
max, maxIndex := stat.Max(metricsUS)
stdev := stat.Sd(metricsUS)
log.Printf("Sample mean is %g us", mean)
log.Printf("Sample max is %g us (%v)", max, maxIndex)
log.Printf("Standard Dev is %g us", stdev)
log.Printf("Processed %d msg in %v [effective rate: %.4f msg/s]", count, elapsed, float64(count)/float64(elapsed)*float64(time.Second))
}
func main() {
flag.Parse()
if *cpuprofile != "" {
defer pprof.StopCPUProfile()
}
log.Print("NumCPU: ", runtime.NumCPU())
log.Print("GOMAXPROCS: ", runtime.GOMAXPROCS(-1))
metrics = make(stat.IntSlice, *sampleSize)
cfg, err := os.Open(*fixconfig)
if err != nil {
log.Fatal(err)
}
appSettings, err := quickfix.ParseSettings(cfg)
if err != nil {
log.Fatal(err)
}
logFactory := quickfix.NewNullLogFactory()
acceptor, err := quickfix.NewAcceptor(app, appSettings, logFactory)
if err != nil {
log.Fatal(err)
}
if err = acceptor.Start(); err != nil {
log.Fatal(err)
}
<-allDone
metricsUS := make(stat.Float64Slice, *sampleSize)
for i, durationNS := range metrics {
metricsUS[i] = float64(durationNS) / 1000.0
}
mean := stat.Mean(metricsUS)
max, maxIndex := stat.Max(metricsUS)
stdev := stat.Sd(metricsUS)
log.Printf("Sample mean is %g us", mean)
log.Printf("Sample max is %g us (%v)", max, maxIndex)
log.Printf("Standard Dev is %g us", stdev)
}
func ExampleMax() {
data := stat.Float64Slice{17.2, 18.1, 16.5, 18.3, 12.6}
largest, index := stat.Max(data)
fmt.Printf("The largest value is %g and the index is %d", largest, index)
// Output: The largest value is 18.3 and the index is 3
}