I need to calculate 10 millions of sha256 checksums,
Actually I do this :
var bl int
var pnb = make([]byte, 10)
var hash = [32]byte
var sha256Hash string
var steps = 10000000
startBench := time.Now()
for i := 0; i < steps; i++ {
bl = 0
bl += copy(pnb[bl:], "TEST")
bl += copy(nonce[bl:], fmt.Sprintf("%04x", i))
bl += copy(pnb[bl:], "00")
hash = sha256.Sum256(pnb)
sha256Hash = hex.EncodeToString(hash[:])
}
elapsedBench := time.Since(startBench)
log.Printf("%d iterations => sha256 took %v", steps, elapsedBench)
Is it possible to improve the speed?
Thank for your help
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