d0s3t3ch/RandomWOW
1
0
Fork 0
mirror of https://git.wownero.com/wownero/RandomWOW.git synced 2024-08-15 00:23:14 +00:00
Code Issues Projects Releases Wiki Activity

Support for multithreaded dataset initialization

Browse source
This commit is contained in:
tevador 2019-04-13 21:29:51 +02:00
parent 9c383dc2ba
commit 2c87a058ec
1 changed files with 20 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

22
src/main.cpp
View file

@ -303,8 +303,26 @@ int main(int argc, char** argv) {
if (!legacy) {
RandomX::JitCompilerX86 jit86;
jit86.generateSuperScalarHash(programs);
jit86.getDatasetInitFunc()(cache.memory, dataset.dataset.memory, 0, datasetBlockCount);
//dump((const char*)dataset.dataset.memory, RANDOMX_DATASET_SIZE, "dataset.dat");
RandomX::DatasetInitFunc dsfunc = jit86.getDatasetInitFunc();
if (initThreadCount > 1) {
auto perThread = datasetBlockCount / initThreadCount;
auto remainder = datasetBlockCount % initThreadCount;
uint32_t startBlock = 0;
uint32_t endBlock = 0;
for (int i = 0; i < initThreadCount; ++i) {
auto count = perThread + (i == initThreadCount - 1 ? remainder : 0);
endBlock += count;
threads.push_back(std::thread(dsfunc, cache.memory, dataset.dataset.memory + startBlock * RandomX::CacheLineSize, startBlock, endBlock));
startBlock += count;
}
for (unsigned i = 0; i < threads.size(); ++i) {
threads[i].join();
}
}
else {
dsfunc(cache.memory, dataset.dataset.memory, 0, datasetBlockCount);
}
//dump((const char*)dataset.dataset.memory, RANDOMX_DATASET_SIZE, "dataset.dat");
}
else {
if (initThreadCount > 1) {