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SuperscalarHash JIT compiler

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(unfinished)
This commit is contained in:
tevador
2019-04-06 12:00:56 +02:00
parent 690707ef49
commit 77dbe14658
18 changed files with 453 additions and 135 deletions
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src/main.cpp
+31 -15
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@@ -37,6 +37,7 @@ along with RandomX. If not, see<http://www.gnu.org/licenses/>.
#include "Cache.hpp"
#include "hashAes1Rx4.hpp"
#include "LightProgramGenerator.hpp"
#include "JitCompilerX86.hpp"
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 };
@@ -204,7 +205,7 @@ void mine(RandomX::VirtualMachine* vm, std::atomic<uint32_t>& atomicNonce, Atomi
}
int main(int argc, char** argv) {
bool softAes, genAsm, miningMode, verificationMode, help, largePages, async, genNative, jit, genLight;
bool softAes, genAsm, miningMode, verificationMode, help, largePages, async, genNative, jit, genLight, useSuperscalar;
int programCount, threadCount, initThreadCount, epoch;
readOption("--softAes", argc, argv, softAes);
@@ -220,14 +221,16 @@ int main(int argc, char** argv) {
readOption("--genNative", argc, argv, genNative);
readOption("--help", argc, argv, help);
readOption("--genLight", argc, argv, genLight);
readOption("--useSuperscalar", argc, argv, useSuperscalar);
if (genLight) {
RandomX::LightProgram p;
RandomX::generateLightProg2(p, seed, 0, programCount);
//RandomX::AssemblyGeneratorX86 asmX86;
//asmX86.generateProgram(p);
RandomX::Blake2Generator gen(seed, programCount);
RandomX::generateLightProg2(p, gen);
RandomX::AssemblyGeneratorX86 asmX86;
asmX86.generateProgram(p);
//std::ofstream file("lightProg2.asm");
//asmX86.printCode(std::cout);
asmX86.printCode(std::cout);
return 0;
}
@@ -287,24 +290,37 @@ int main(int argc, char** argv) {
dataset.dataset.size = datasetSize;
RandomX::datasetAlloc(dataset, largePages);
const uint64_t datasetBlockCount = datasetSize / RandomX::CacheLineSize;
if (initThreadCount > 1) {
auto perThread = datasetBlockCount / initThreadCount;
auto remainder = datasetBlockCount % initThreadCount;
for (int i = 0; i < initThreadCount; ++i) {
auto count = perThread + (i == initThreadCount - 1 ? remainder : 0);
threads.push_back(std::thread(&RandomX::datasetInit, std::ref(cache), std::ref(dataset.dataset), i * perThread, count));
}
for (unsigned i = 0; i < threads.size(); ++i) {
threads[i].join();
if (useSuperscalar) {
RandomX::Blake2Generator gen(seed, programCount);
RandomX::LightProgram programs[RANDOMX_CACHE_ACCESSES];
for (int i = 0; i < RANDOMX_CACHE_ACCESSES; ++i) {
RandomX::generateLightProg2(programs[i], gen);
}
RandomX::JitCompilerX86 jit86;
jit86.generateSuperScalarHash(programs);
jit86.getDatasetInitFunc()(cache.memory, dataset.dataset.memory, 0, datasetBlockCount);
}
else {
RandomX::datasetInit(cache, dataset.dataset, 0, datasetBlockCount);
if (initThreadCount > 1) {
auto perThread = datasetBlockCount / initThreadCount;
auto remainder = datasetBlockCount % initThreadCount;
for (int i = 0; i < initThreadCount; ++i) {
auto count = perThread + (i == initThreadCount - 1 ? remainder : 0);
threads.push_back(std::thread(&RandomX::datasetInit, std::ref(cache), std::ref(dataset.dataset), i * perThread, count));
}
for (unsigned i = 0; i < threads.size(); ++i) {
threads[i].join();
}
}
else {
RandomX::datasetInit(cache, dataset.dataset, 0, datasetBlockCount);
}
}
RandomX::deallocCache(cache, largePages);
threads.clear();
std::cout << "Dataset (" << datasetSize << " bytes) initialized in " << sw.getElapsed() << " s" << std::endl;
}
return 0;
std::cout << "Initializing " << threadCount << " virtual machine(s) ..." << std::endl;
for (int i = 0; i < threadCount; ++i) {
RandomX::VirtualMachine* vm;