yggdrasil-go/misc/tests/wire-test.go

package main

import "wire"
import "fmt"

import "time"

func main() {
  for idx := 0 ; idx < 64 ; idx++ {
    num := uint64(1) << uint(idx)
    encoded := make([]byte, 10)
    length := wire.Encode_uint64(num, encoded)
    decoded, _ := wire.Decode_uint64(encoded[:length])
    if decoded != num { panic(fmt.Sprintf("%d != %d", decoded, num)) }
  }
  const count = 1000000
  start := time.Now()
  encoded := make([]byte, 10)
  //num := ^uint64(0) // Longest possible value for full uint64 range
  num := ^uint64(0) >> 1 // Largest positive int64 (real use case)
  //num := uint64(0) // Shortest possible value, most will be of this length
  length := wire.Encode_uint64(num, encoded)
  for idx := 0 ; idx < count ; idx++ {
    wire.Encode_uint64(num, encoded)
  }
  timed := time.Since(start)
  fmt.Println("Ops:", count/timed.Seconds())
  fmt.Println("Time:", timed.Nanoseconds()/count)

  encoded = encoded[:length]
  start = time.Now()
  for idx := 0 ; idx < count ; idx++ {
    wire.Decode_uint64(encoded)
  }
  timed = time.Since(start)
  fmt.Println("Ops:", count/timed.Seconds())
  fmt.Println("Time:", timed.Nanoseconds()/count)
}