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)) }