func main() {
verbose := flag.Bool("v", false, "verbose output")
flag.Parse()
file, err := os.Open("delta_data.bin")
check(err)
defer file.Close()
buffer := bufio.NewReader(file)
sizes := make([]float64, 0)
speeds := make([]float64, 0)
encode := qpc.NewHistory("encode")
decode := qpc.NewHistory("decode")
server := physics.NewState(901)
client := physics.NewState(901)
// initialize the base state
for i := 0; i < 6; i += 1 {
server.ReadNext(buffer)
client.IncFrame()
client.Current().Assign(server.Current())
}
frame := 6
for {
err = server.ReadNext(buffer)
if err == io.EOF {
break
}
check(err)
frame += 1
runtime.GC()
// Server side
encode.Start()
snapshot := server.Encode()
encode.Stop()
// ===
runtime.GC()
// Client side
decode.Start()
client.IncFrame()
client.Decode(snapshot)
decode.Stop()
// ===
size := float64(len(snapshot)*8) / 1000.0
sizes = append(sizes, size)
speed := size * 60.0
speeds = append(speeds, speed)
equal := server.Current().Equals(client.Current())
if *verbose {
if !equal {
fmt.Print("! ")
}
fmt.Printf("%04d %8.3fkbps %10s %10s\n", frame, speed, encode.Last(), decode.Last())
} else {
if equal {
fmt.Print(".")
} else {
fmt.Print("X")
}
}
}
fmt.Println()
fmt.Printf("#%d %.3fkbps ±%.3fkbps\n", len(sizes), stats.Mean(speeds), stats.StdDevS(speeds))
fmt.Println()
fmt.Printf("MIN %10.3f kbps\n", stats.Min(speeds))
for _, p := range []float64{5, 10, 25, 50, 75, 90, 95} {
fmt.Printf("P%02.f %10.3f kbps\n", p, stats.Percentile(speeds, p))
}
fmt.Printf("MAX %10.3f kbps\n", stats.Max(speeds))
fmt.Println()
fmt.Printf("TOTAL %10.3f kb\n", stats.Sum(sizes))
fmt.Printf(" AVG %10.3f kb per frame\n", stats.Mean(sizes))
fmt.Printf(" AVG %10.3f bits per cube\n", stats.Mean(sizes)*1000/float64(len(sizes)))
fmt.Println()
fmt.Println("TIMING:")
qpc.PrintSummary(encode, decode)
}
func summarize(vs []float64) {
fmt.Printf("%d %.3f ±%.3f\n", len(vs), stats.Mean(vs), stats.StdDevS(vs))
}
