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Standalone View

				// Copyright (c) 2015-2018 The Bitcoin Core developers
				// Distributed under the MIT software license, see the accompanying
				// file COPYING or http://www.opensource.org/licenses/mit-license.php.

				#include <bench/bench.h>
				#include <hash.h>
				#include <random.h>
				#include <uint256.h>

				static void PrePadded(benchmark::State &state) {
				CSHA256 hasher;

				// Setup the salted hasher
				uint256 nonce = GetRandHash();
				hasher.Write(nonce.begin(), 32);
				hasher.Write(nonce.begin(), 32);
				uint256 data = GetRandHash();
				while (state.KeepRunning()) {
				uint8_t out[32];
				CSHA256 h = hasher;
				h.Write(data.begin(), 32);
				h.Finalize(out);
				}
				}

				BENCHMARK(PrePadded, 10000);

				static void RegularPadded(benchmark::State &state) {
				CSHA256 hasher;

				// Setup the salted hasher
				uint256 nonce = GetRandHash();
				uint256 data = GetRandHash();
				while (state.KeepRunning()) {
				uint8_t out[32];
				CSHA256 h = hasher;
				h.Write(nonce.begin(), 32);
				h.Write(data.begin(), 32);
				h.Finalize(out);
				}
				}

				BENCHMARK(RegularPadded, 10000);