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Random dataset accesses - asm only

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Initial support for large pages
This commit is contained in:
tevador
2019-01-04 19:44:15 +01:00
parent bf8397b08d
commit 619bee5418
11 changed files with 1616 additions and 1725 deletions
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src/dataset.cpp
+10 -4
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@@ -26,6 +26,7 @@ along with RandomX. If not, see<http://www.gnu.org/licenses/>.
#include "dataset.hpp"
#include "Pcg32.hpp"
#include "Cache.hpp"
#include "virtualMemory.hpp"
#if defined(__SSE2__)
#include <wmmintrin.h>
@@ -161,12 +162,17 @@ namespace RandomX {
template
convertible_t datasetReadLight<true>(addr_t addr, MemoryRegisters& memory);
void datasetAlloc(dataset_t& ds) {
void datasetAlloc(dataset_t& ds, bool largePages) {
if (sizeof(size_t) <= 4)
throw std::runtime_error("Platform doesn't support enough memory for the dataset");
ds.dataset = (uint8_t*)_mm_malloc(DatasetSize, /*sizeof(__m128i)*/ 64);
if (ds.dataset == nullptr) {
throw std::runtime_error("Dataset memory allocation failed. >4 GiB of free virtual memory is needed.");
if (largePages) {
ds.dataset = (uint8_t*)allocLargePagesMemory(DatasetSize);
}
else {
ds.dataset = (uint8_t*)_mm_malloc(DatasetSize, 64);
if (ds.dataset == nullptr) {
throw std::runtime_error("Dataset memory allocation failed. >4 GiB of free virtual memory is needed.");
}
}
}