/evm_hash_benchmark

Primary LanguageSolidity

Benchmarks

Execution cost for every hashes (sha256, keccak256, ripemd160)

count of hashes sha256 keccak256 ripemd160
1 49859 48919 52516
2 53950 52051 57236
3 58041 55183 61956
4 62132 58315 66676
5 66224 61447 71396
6 70315 64579 76117
7 74407 67712 80837
8 78498 70844 85557
9 82590 73976 90278
10 86681 77109 94998

Average execution cost

  • sha256 = 4091 gas
  • keccak256 = 3132 gas
  • ripemd160 = 4720 gas

Benchmark code

function sha256hashes(uint l) public {
    sha = 0xf21849f60ec732e135f2172e1226dbd7e6c5d86bc42c4b7544814cde2dffd6f5;
    for (uint i=0; i<l; i++) { 
        sha = sha256(bytes.concat(sha, b32[i]));
    }
}

function keccak256hashes(uint l) public {
    keccak = 0xf21849f60ec732e135f2172e1226dbd7e6c5d86bc42c4b7544814cde2dffd6f5;
    for (uint i=0; i<l; i++) { 
        keccak = keccak256(bytes.concat(keccak, b32[i]));
    }
}

function ripemd160hashes(uint l) public {
    ripemd = hex"f21849f60ec732e135f2172e1226dbd7e6c5d86b";
    for (uint i=0; i<l; i++) { 
        ripemd = ripemd160(bytes.concat(keccak, b20[i]));
    }
}

Smartcontract

Hasher.sol