RandomWOW/src/tests/benchmark.cpp

/*
Copyright (c) 2018-2019, tevador <tevador@gmail.com>

All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
	* Redistributions of source code must retain the above copyright
	  notice, this list of conditions and the following disclaimer.
	* Redistributions in binary form must reproduce the above copyright
	  notice, this list of conditions and the following disclaimer in the
	  documentation and/or other materials provided with the distribution.
	* Neither the name of the copyright holder nor the
	  names of its contributors may be used to endorse or promote products
	  derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#include <fstream>
#include <iostream>
#include <iomanip>
#include <exception>
#include <string>
#include <vector>
#include <thread>
#include <atomic>
#include "stopwatch.hpp"
#include "utility.hpp"
#include "../randomx.h"
#include "../blake2/endian.h"

const uint8_t blockTemplate_[] = {
		0x07, 0x07, 0xf7, 0xa4, 0xf0, 0xd6, 0x05, 0xb3, 0x03, 0x26, 0x08, 0x16, 0xba, 0x3f, 0x10, 0x90, 0x2e, 0x1a, 0x14,
		0x5a, 0xc5, 0xfa, 0xd3, 0xaa, 0x3a, 0xf6, 0xea, 0x44, 0xc1, 0x18, 0x69, 0xdc, 0x4f, 0x85, 0x3f, 0x00, 0x2b, 0x2e,
		0xea, 0x00, 0x00, 0x00, 0x00, 0x77, 0xb2, 0x06, 0xa0, 0x2c, 0xa5, 0xb1, 0xd4, 0xce, 0x6b, 0xbf, 0xdf, 0x0a, 0xca,
		0xc3, 0x8b, 0xde, 0xd3, 0x4d, 0x2d, 0xcd, 0xee, 0xf9, 0x5c, 0xd2, 0x0c, 0xef, 0xc1, 0x2f, 0x61, 0xd5, 0x61, 0x09
};

class AtomicHash {
public:
	AtomicHash() {
		for (int i = 0; i < 4; ++i)
			hash[i].store(0);
	}
	void xorWith(uint64_t update[4]) {
		for (int i = 0; i < 4; ++i)
			hash[i].fetch_xor(update[i]);
	}
	void print(std::ostream& os) {
		for (int i = 0; i < 4; ++i)
			print(hash[i], os);
		os << std::endl;
	}
private:
	static void print(std::atomic<uint64_t>& hash, std::ostream& os) {
		auto h = hash.load();
		outputHex(std::cout, (char*)&h, sizeof(h));
	}
	std::atomic<uint64_t> hash[4];
};

void printUsage(const char* executable) {
	std::cout << "Usage: " << executable << " [OPTIONS]" << std::endl;
	std::cout << "Supported options:" << std::endl;
	std::cout << "  --help        shows this message" << std::endl;
	std::cout << "  --mine        mining mode: 2080 MiB" << std::endl;
	std::cout << "  --verify      verification mode: 256 MiB" << std::endl;
	std::cout << "  --jit         x86-64 JIT compiled mode (default: interpreter)" << std::endl;
	std::cout << "  --largePages  use large pages" << std::endl;
	std::cout << "  --softAes     use software AES (default: x86 AES-NI)" << std::endl;
	std::cout << "  --threads T   use T threads (default: 1)" << std::endl;
	std::cout << "  --init Q      initialize dataset with Q threads (default: 1)" << std::endl;
	std::cout << "  --nonces N    run N nonces (default: 1000)" << std::endl;
	std::cout << "  --seed S      seed for cache initialization (default: 0)" << std::endl;
}

void mine(randomx_vm* vm, std::atomic<uint32_t>& atomicNonce, AtomicHash& result, uint32_t noncesCount, int thread) {
	uint64_t hash[RANDOMX_HASH_SIZE / sizeof(uint64_t)];
	uint8_t blockTemplate[sizeof(blockTemplate_)];
	memcpy(blockTemplate, blockTemplate_, sizeof(blockTemplate));
	void* noncePtr = blockTemplate + 39;
	auto nonce = atomicNonce.fetch_add(1);

	while (nonce < noncesCount) {
		store32(noncePtr, nonce);
		randomx_calculate_hash(vm, blockTemplate, sizeof(blockTemplate), &hash);
		result.xorWith(hash);
		nonce = atomicNonce.fetch_add(1);
	}
}

int main(int argc, char** argv) {
	bool softAes, miningMode, verificationMode, help, largePages, jit;
	int noncesCount, threadCount, initThreadCount;
	int32_t seedValue;
	char seed[4];

	readOption("--softAes", argc, argv, softAes);
	readOption("--mine", argc, argv, miningMode);
	readOption("--verify", argc, argv, verificationMode);
	readIntOption("--threads", argc, argv, threadCount, 1);
	readIntOption("--nonces", argc, argv, noncesCount, 1000);
	readIntOption("--init", argc, argv, initThreadCount, 1);
	readIntOption("--seed", argc, argv, seedValue, 0);
	readOption("--largePages", argc, argv, largePages);
	readOption("--jit", argc, argv, jit);
	readOption("--help", argc, argv, help);

	store32(&seed, seedValue);

	std::cout << "RandomX benchmark" << std::endl;

	if (help || (!miningMode && !verificationMode)) {
		printUsage(argv[0]);
		return 0;
	}

	std::atomic<uint32_t> atomicNonce(0);
	AtomicHash result;
	std::vector<randomx_vm*> vms;
	std::vector<std::thread> threads;
	randomx_dataset* dataset;
	randomx_cache* cache;
	randomx_flags flags = RANDOMX_FLAG_DEFAULT;

	if (miningMode) {
		flags = (randomx_flags)(flags | RANDOMX_FLAG_FULL_MEM);
		std::cout << " - full memory mode (2080 MiB)" << std::endl;
	}
	else {
		std::cout << " - light memory mode (256 MiB)" << std::endl;
	}

	if (jit) {
		flags = (randomx_flags)(flags | RANDOMX_FLAG_JIT);
		std::cout << " - JIT compiled mode" << std::endl;
	}
	else {
		std::cout << " - interpreted mode" << std::endl;
	}

	if (softAes) {
		std::cout << " - software AES mode" << std::endl;
	}
	else {
		flags = (randomx_flags)(flags | RANDOMX_FLAG_HARD_AES);
		std::cout << " - hardware AES mode" << std::endl;
	}

	if (largePages) {
		flags = (randomx_flags)(flags | RANDOMX_FLAG_LARGE_PAGES);
		std::cout << " - large pages mode" << std::endl;
	}
	else {
		std::cout << " - small pages mode" << std::endl;
	}

	std::cout << "Initializing";
	if (miningMode)
		std::cout << " (" << initThreadCount << " thread" << (initThreadCount > 1 ? "s)" : ")");
	std::cout << " ..." << std::endl;

	try {
		Stopwatch sw(true);
		cache = randomx_alloc_cache(flags);
		if (cache == nullptr) {
			if (jit) {
				throw std::runtime_error("JIT compilation is not supported or cache allocation failed");
			}
			throw std::runtime_error("Cache allocation failed");
		}
		randomx_init_cache(cache, &seed, sizeof(seed));
		if (miningMode) {
			dataset = randomx_alloc_dataset(flags);
			if (dataset == nullptr) {
				throw std::runtime_error("Dataset allocation failed");
			}
			uint32_t datasetItemCount = randomx_dataset_item_count();
			if (initThreadCount > 1) {
				auto perThread = datasetItemCount / initThreadCount;
				auto remainder = datasetItemCount % initThreadCount;
				uint32_t startItem = 0;
				for (int i = 0; i < initThreadCount; ++i) {
					auto count = perThread + (i == initThreadCount - 1 ? remainder : 0);
					threads.push_back(std::thread(&randomx_init_dataset, dataset, cache, startItem, count));
					startItem += count;
				}
				for (unsigned i = 0; i < threads.size(); ++i) {
					threads[i].join();
				}
			}
			else {
				randomx_init_dataset(dataset, cache, 0, datasetItemCount);
			}
			randomx_release_cache(cache);
			threads.clear();
		}
		std::cout << "Memory initialized in " << sw.getElapsed() << " s" << std::endl;
		std::cout << "Initializing " << threadCount << " virtual machine(s) ..." << std::endl;
		for (int i = 0; i < threadCount; ++i) {
			randomx_vm *vm = randomx_create_vm(flags, cache, dataset);
			if (vm == nullptr) {
				throw std::runtime_error("Unsupported virtual machine options");
			}
			vms.push_back(vm);
		}
		std::cout << "Running benchmark (" << noncesCount << " nonces) ..." << std::endl;
		sw.restart();
		if (threadCount > 1) {
			for (unsigned i = 0; i < vms.size(); ++i) {
				if (softAes)
					threads.push_back(std::thread(&mine, vms[i], std::ref(atomicNonce), std::ref(result), noncesCount, i));
				else
					threads.push_back(std::thread(&mine, vms[i], std::ref(atomicNonce), std::ref(result), noncesCount, i));
			}
			for (unsigned i = 0; i < threads.size(); ++i) {
				threads[i].join();
			}
		}
		else {
			mine(vms[0], std::ref(atomicNonce), std::ref(result), noncesCount, 0);
		}

		double elapsed = sw.getElapsed();
		for (unsigned i = 0; i < vms.size(); ++i)
			randomx_destroy_vm(vms[i]);
		if (miningMode)
			randomx_release_dataset(dataset);
		else
			randomx_release_cache(cache);
		std::cout << "Calculated result: ";
		result.print(std::cout);
		if (noncesCount == 1000 && seedValue == 0)
			std::cout << "Reference result:  669ae4f2e5e2c0d9cc232ff2c37d41ae113fa302bbf983d9f3342879831b4edf" << std::endl;
		if (!miningMode) {
			std::cout << "Performance: " << 1000 * elapsed / noncesCount << " ms per hash" << std::endl;
		}
		else {
			std::cout << "Performance: " << noncesCount / elapsed << " hashes per second" << std::endl;
		}
	}
	catch (std::exception& e) {
		std::cout << "ERROR: " << e.what() << std::endl;
		return 1;
	}
	return 0;
}