mirror of
https://git.wownero.com/wownero/RandomWOW.git
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113 lines
No EOL
3.4 KiB
C++
113 lines
No EOL
3.4 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 "LightClientAsyncWorker.hpp"
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#include "dataset.hpp"
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#include "Cache.hpp"
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namespace RandomX {
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LightClientAsyncWorker::LightClientAsyncWorker(const Cache& c) : ILightClientAsyncWorker(c), output(nullptr), hasWork(false),
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#ifdef TRACE
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sw(true),
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#endif
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workerThread(&LightClientAsyncWorker::runWorker, this) {
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}
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void LightClientAsyncWorker::prepareBlock(addr_t addr) {
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#ifdef TRACE
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std::cout << sw.getElapsed() << ": prepareBlock-enter " << addr / CacheLineSize << std::endl;
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#endif
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{
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std::lock_guard<std::mutex> lk(mutex);
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startBlock = addr / CacheLineSize;
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blockCount = 1;
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output = currentLine.data();
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hasWork = true;
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}
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#ifdef TRACE
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std::cout << sw.getElapsed() << ": prepareBlock-notify " << startBlock << "/" << blockCount << std::endl;
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#endif
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notifier.notify_one();
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}
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const uint64_t* LightClientAsyncWorker::getBlock(addr_t addr) {
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#ifdef TRACE
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std::cout << sw.getElapsed() << ": getBlock-enter " << addr / CacheLineSize << std::endl;
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#endif
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uint32_t currentBlock = addr / CacheLineSize;
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if (currentBlock != startBlock || output != currentLine.data()) {
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initBlock(cache, (uint8_t*)currentLine.data(), currentBlock, RANDOMX_CACHE_ACCESSES / 8);
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}
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else {
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sync();
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}
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#ifdef TRACE
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std::cout << sw.getElapsed() << ": getBlock-return " << addr / CacheLineSize << std::endl;
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#endif
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return currentLine.data();
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}
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void LightClientAsyncWorker::prepareBlocks(void* out, uint32_t startBlock, uint32_t blockCount) {
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#ifdef TRACE
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std::cout << sw.getElapsed() << ": prepareBlocks-enter " << startBlock << "/" << blockCount << std::endl;
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#endif
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{
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std::lock_guard<std::mutex> lk(mutex);
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this->startBlock = startBlock;
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this->blockCount = blockCount;
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output = out;
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hasWork = true;
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notifier.notify_one();
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}
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}
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void LightClientAsyncWorker::getBlocks(void* out, uint32_t startBlock, uint32_t blockCount) {
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for (uint32_t i = 0; i < blockCount; ++i) {
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initBlock(cache, (uint8_t*)out + CacheLineSize * i, startBlock + i, RANDOMX_CACHE_ACCESSES / 8);
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}
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}
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void LightClientAsyncWorker::sync() {
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std::unique_lock<std::mutex> lk(mutex);
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notifier.wait(lk, [this] { return !hasWork; });
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}
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void LightClientAsyncWorker::runWorker() {
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#ifdef TRACE
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std::cout << sw.getElapsed() << ": runWorker-enter " << std::endl;
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#endif
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for (;;) {
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std::unique_lock<std::mutex> lk(mutex);
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notifier.wait(lk, [this] { return hasWork; });
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#ifdef TRACE
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std::cout << sw.getElapsed() << ": runWorker-getBlocks " << startBlock << "/" << blockCount << std::endl;
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#endif
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//getBlocks(output, startBlock, blockCount);
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initBlock(cache, (uint8_t*)output, startBlock, RANDOMX_CACHE_ACCESSES / 8);
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hasWork = false;
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#ifdef TRACE
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std::cout << sw.getElapsed() << ": runWorker-finished " << startBlock << "/" << blockCount << std::endl;
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#endif
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lk.unlock();
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notifier.notify_one();
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}
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}
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} |