github.com/piotrnar/gocoin@v0.0.0-20240512203912-faa0448c5e96/lib/others/cgo/ec_bench/gonative.go (about)

     1  package main
     2  
     3  import (
     4  	"encoding/hex"
     5  	"github.com/piotrnar/gocoin/lib/btc"
     6  	"runtime"
     7  	"sync"
     8  	"time"
     9  )
    10  
    11  var CNT int = 100e3
    12  
    13  func main() {
    14  	key, _ := hex.DecodeString("040eaebcd1df2df853d66ce0e1b0fda07f67d1cabefde98514aad795b86a6ea66dbeb26b67d7a00e2447baeccc8a4cef7cd3cad67376ac1c5785aeebb4f6441c16")
    15  	sig, _ := hex.DecodeString("3045022100fe00e013c244062847045ae7eb73b03fca583e9aa5dbd030a8fd1c6dfcf11b1002207d0d04fed8fa1e93007468d5a9e134b0a7023b6d31db4e50942d43a250f4d07c01")
    16  	msg, _ := hex.DecodeString("3382219555ddbb5b00e0090f469e590ba1eae03c7f28ab937de330aa60294ed6")
    17  	var wg sync.WaitGroup
    18  	max_routines := make(chan bool, 2*runtime.NumCPU())
    19  	println("Number of threads:", cap(max_routines))
    20  	sta := time.Now()
    21  	for i := 0; i < CNT; i++ {
    22  		wg.Add(1)
    23  		max_routines <- true
    24  		go func() {
    25  			if !btc.EcdsaVerify(key, sig, msg) {
    26  				println("Verify error")
    27  			}
    28  			wg.Done()
    29  			<-max_routines
    30  		}()
    31  	}
    32  	wg.Wait()
    33  	sto := time.Now()
    34  	println((sto.UnixNano()-sta.UnixNano())/int64(CNT), "ns per ECDSA_Verify")
    35  }