245 lines
8.1 KiB
C++
245 lines
8.1 KiB
C++
/*
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Copyright (c) 2019 tevador
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This file is part of RandomX.
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RandomX is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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RandomX is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with RandomX. If not, see<http://www.gnu.org/licenses/>.
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*/
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#include <fstream>
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#include <iostream>
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#include <iomanip>
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#include <exception>
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#include <string>
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#include <vector>
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#include <thread>
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#include <atomic>
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#include "stopwatch.hpp"
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#include "utility.hpp"
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#include "../randomx.h"
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#include "../blake2/endian.h"
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const uint8_t seed[32] = { 191, 182, 222, 175, 249, 89, 134, 104, 241, 68, 191, 62, 162, 166, 61, 64, 123, 191, 227, 193, 118, 60, 188, 53, 223, 133, 175, 24, 123, 230, 55, 74 };
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const uint8_t blockTemplate_[] = {
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0x07, 0x07, 0xf7, 0xa4, 0xf0, 0xd6, 0x05, 0xb3, 0x03, 0x26, 0x08, 0x16, 0xba, 0x3f, 0x10, 0x90, 0x2e, 0x1a, 0x14,
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0x5a, 0xc5, 0xfa, 0xd3, 0xaa, 0x3a, 0xf6, 0xea, 0x44, 0xc1, 0x18, 0x69, 0xdc, 0x4f, 0x85, 0x3f, 0x00, 0x2b, 0x2e,
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0xea, 0x00, 0x00, 0x00, 0x00, 0x77, 0xb2, 0x06, 0xa0, 0x2c, 0xa5, 0xb1, 0xd4, 0xce, 0x6b, 0xbf, 0xdf, 0x0a, 0xca,
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0xc3, 0x8b, 0xde, 0xd3, 0x4d, 0x2d, 0xcd, 0xee, 0xf9, 0x5c, 0xd2, 0x0c, 0xef, 0xc1, 0x2f, 0x61, 0xd5, 0x61, 0x09
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};
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constexpr char hexmap[] = "0123456789abcdef";
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void outputHex(std::ostream& os, const char* data, int length) {
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for (int i = 0; i < length; ++i) {
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os << hexmap[(data[i] & 0xF0) >> 4];
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os << hexmap[data[i] & 0x0F];
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}
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}
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class AtomicHash {
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public:
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AtomicHash() {
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for (int i = 0; i < 4; ++i)
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hash[i].store(0);
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}
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void xorWith(uint64_t update[4]) {
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for (int i = 0; i < 4; ++i)
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hash[i].fetch_xor(update[i]);
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}
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void print(std::ostream& os) {
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for (int i = 0; i < 4; ++i)
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print(hash[i], os);
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os << std::endl;
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}
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private:
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static void print(std::atomic<uint64_t>& hash, std::ostream& os) {
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auto h = hash.load();
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outputHex(std::cout, (char*)&h, sizeof(h));
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}
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std::atomic<uint64_t> hash[4];
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};
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void printUsage(const char* executable) {
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std::cout << "Usage: " << executable << " [OPTIONS]" << std::endl;
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std::cout << "Supported options:" << std::endl;
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std::cout << " --help shows this message" << std::endl;
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std::cout << " --mine mining mode: 2 GiB" << std::endl;
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std::cout << " --verify verification mode: 256 MiB" << std::endl;
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std::cout << " --jit x86-64 JIT compiled mode (default: interpreter)" << std::endl;
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std::cout << " --largePages use large pages" << std::endl;
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std::cout << " --softAes use software AES (default: x86 AES-NI)" << std::endl;
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std::cout << " --threads T use T threads (default: 1)" << std::endl;
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std::cout << " --init Q initialize dataset with Q threads (default: 1)" << std::endl;
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std::cout << " --nonces N run N nonces (default: 1000)" << std::endl;
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}
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void mine(randomx_vm* vm, std::atomic<uint32_t>& atomicNonce, AtomicHash& result, uint32_t noncesCount, int thread) {
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uint64_t hash[RANDOMX_HASH_SIZE / sizeof(uint64_t)];
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uint8_t blockTemplate[sizeof(blockTemplate_)];
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memcpy(blockTemplate, blockTemplate_, sizeof(blockTemplate));
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void* noncePtr = blockTemplate + 39;
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auto nonce = atomicNonce.fetch_add(1);
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while (nonce < noncesCount) {
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store32(noncePtr, nonce);
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randomx_calculate_hash(vm, blockTemplate, sizeof(blockTemplate), &hash);
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result.xorWith(hash);
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nonce = atomicNonce.fetch_add(1);
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}
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}
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int main(int argc, char** argv) {
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bool softAes, miningMode, verificationMode, help, largePages, jit;
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int noncesCount, threadCount, initThreadCount;
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readOption("--softAes", argc, argv, softAes);
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readOption("--mine", argc, argv, miningMode);
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readOption("--verify", argc, argv, verificationMode);
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readIntOption("--threads", argc, argv, threadCount, 1);
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readIntOption("--nonces", argc, argv, noncesCount, 1000);
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readIntOption("--init", argc, argv, initThreadCount, 1);
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readOption("--largePages", argc, argv, largePages);
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readOption("--jit", argc, argv, jit);
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readOption("--help", argc, argv, help);
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std::cout << "RandomX benchmark" << std::endl;
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if (help || (!miningMode && !verificationMode)) {
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printUsage(argv[0]);
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return 0;
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}
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std::atomic<uint32_t> atomicNonce(0);
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AtomicHash result;
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std::vector<randomx_vm*> vms;
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std::vector<std::thread> threads;
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randomx_dataset* dataset;
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randomx_cache* cache;
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randomx_flags flags = RANDOMX_FLAG_DEFAULT;
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if (miningMode) {
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flags = (randomx_flags)(flags | RANDOMX_FLAG_FULL_MEM);
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std::cout << " - full memory mode (2 GiB)" << std::endl;
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}
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else {
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std::cout << " - light memory mode (256 MiB)" << std::endl;
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}
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if (jit) {
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flags = (randomx_flags)(flags | RANDOMX_FLAG_JIT);
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std::cout << " - JIT compiled mode" << std::endl;
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}
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else {
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std::cout << " - interpreted mode" << std::endl;
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}
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if (softAes) {
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std::cout << " - software AES mode" << std::endl;
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}
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else {
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flags = (randomx_flags)(flags | RANDOMX_FLAG_HARD_AES);
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std::cout << " - hardware AES mode" << std::endl;
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}
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if (largePages) {
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flags = (randomx_flags)(flags | RANDOMX_FLAG_LARGE_PAGES);
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std::cout << " - large pages mode" << std::endl;
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}
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else {
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std::cout << " - small pages mode" << std::endl;
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}
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std::cout << "Initializing";
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if (miningMode)
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std::cout << " (" << initThreadCount << " thread" << (initThreadCount > 1 ? "s)" : ")");
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std::cout << " ..." << std::endl;
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try {
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Stopwatch sw(true);
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cache = randomx_alloc_cache(flags);
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if (cache == nullptr) {
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std::cout << "ERROR: Cache allocation failed" << std::endl;
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return 1;
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}
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randomx_init_cache(cache, seed, sizeof(seed));
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if (miningMode) {
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dataset = randomx_alloc_dataset(flags);
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if (dataset == nullptr) {
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std::cout << "ERROR: Dataset allocation failed" << std::endl;
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return 1;
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}
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if (initThreadCount > 1) {
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auto perThread = RANDOMX_DATASET_BLOCKS / initThreadCount;
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auto remainder = RANDOMX_DATASET_BLOCKS % initThreadCount;
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uint32_t startBlock = 0;
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for (int i = 0; i < initThreadCount; ++i) {
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auto count = perThread + (i == initThreadCount - 1 ? remainder : 0);
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threads.push_back(std::thread(&randomx_init_dataset, dataset, cache, startBlock, count));
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startBlock += count;
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}
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for (unsigned i = 0; i < threads.size(); ++i) {
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threads[i].join();
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}
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}
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else {
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randomx_init_dataset(dataset, cache, 0, RANDOMX_DATASET_BLOCKS);
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}
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randomx_release_cache(cache);
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threads.clear();
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}
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std::cout << "Memory initialized in " << sw.getElapsed() << " s" << std::endl;
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std::cout << "Initializing " << threadCount << " virtual machine(s) ..." << std::endl;
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for (int i = 0; i < threadCount; ++i) {
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randomx_vm *vm = randomx_create_vm(flags);
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if (miningMode)
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randomx_vm_set_dataset(vm, dataset);
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else
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randomx_vm_set_cache(vm, cache);
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vms.push_back(vm);
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}
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std::cout << "Running benchmark (" << noncesCount << " nonces) ..." << std::endl;
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sw.restart();
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if (threadCount > 1) {
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for (unsigned i = 0; i < vms.size(); ++i) {
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if (softAes)
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threads.push_back(std::thread(&mine, vms[i], std::ref(atomicNonce), std::ref(result), noncesCount, i));
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else
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threads.push_back(std::thread(&mine, vms[i], std::ref(atomicNonce), std::ref(result), noncesCount, i));
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}
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for (unsigned i = 0; i < threads.size(); ++i) {
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threads[i].join();
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}
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}
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else {
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mine(vms[0], std::ref(atomicNonce), std::ref(result), noncesCount, 0);
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}
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double elapsed = sw.getElapsed();
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std::cout << "Calculated result: ";
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result.print(std::cout);
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if (noncesCount == 1000)
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std::cout << "Reference result: dc34604eed2fbba0e8fae26b2270b90d8aad9466ba39950fd8904248442e850a" << std::endl;
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if (!miningMode) {
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std::cout << "Performance: " << 1000 * elapsed / noncesCount << " ms per hash" << std::endl;
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}
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else {
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std::cout << "Performance: " << noncesCount / elapsed << " hashes per second" << std::endl;
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}
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}
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catch (std::exception& e) {
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std::cout << "ERROR: " << e.what() << std::endl;
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return 1;
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}
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return 0;
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}
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