github.com/fibonacci-chain/fbc@v0.0.0-20231124064014-c7636198c1e9/libs/iavl/benchmarks/hash_test.go (about)

     1  // nolint: errcheck,scopelint
     2  package benchmarks
     3  
     4  import (
     5  	"crypto"
     6  	"fmt"
     7  	"hash"
     8  	"testing"
     9  
    10  	"github.com/fibonacci-chain/fbc/libs/iavl"
    11  
    12  	_ "crypto/sha256"
    13  
    14  	_ "golang.org/x/crypto/ripemd160" // nolint: staticcheck // need to test ripemd160
    15  	_ "golang.org/x/crypto/sha3"
    16  )
    17  
    18  func BenchmarkHash(b *testing.B) {
    19  	fmt.Printf("%s\n", iavl.GetVersionInfo())
    20  	hashers := []struct {
    21  		name string
    22  		size int
    23  		hash hash.Hash
    24  	}{
    25  		{"ripemd160", 64, crypto.RIPEMD160.New()},
    26  		{"ripemd160", 512, crypto.RIPEMD160.New()},
    27  		{"sha2-256", 64, crypto.SHA256.New()},
    28  		{"sha2-256", 512, crypto.SHA256.New()},
    29  		{"sha3-256", 64, crypto.SHA3_256.New()},
    30  		{"sha3-256", 512, crypto.SHA3_256.New()},
    31  	}
    32  
    33  	for _, h := range hashers {
    34  		prefix := fmt.Sprintf("%s-%d", h.name, h.size)
    35  		b.Run(prefix, func(sub *testing.B) {
    36  			benchHasher(sub, h.hash, h.size)
    37  		})
    38  	}
    39  }
    40  
    41  func benchHasher(b *testing.B, hash hash.Hash, size int) {
    42  	// create all random bytes before to avoid timing this
    43  	inputs := randBytes(b.N + size + 1)
    44  
    45  	for i := 0; i < b.N; i++ {
    46  		hash.Reset()
    47  		// grab a slice of size bytes from random string
    48  		hash.Write(inputs[i : i+size])
    49  		hash.Sum(nil)
    50  	}
    51  }