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Implemented cache shift

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Fixed assembly code generator
Fixed an error in the interpreter
Updated specification: sign-extended immediates
This commit is contained in:
tevador
2018-12-15 23:13:17 +01:00
parent 4fc4b840f5
commit 6332831ec1
11 changed files with 121 additions and 69 deletions
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src/dataset.cpp
+9 -6
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@@ -26,6 +26,7 @@ along with RandomX. If not, see<http://www.gnu.org/licenses/>.
#include <new>
#include <algorithm>
#include <stdexcept>
#include <cstring>
#if defined(_MSC_VER)
#if defined(_M_X64) || (defined(_M_IX86_FP) && _M_IX86_FP == 2)
@@ -237,7 +238,7 @@ namespace RandomX {
convertible_t data;
auto blockNumber = memory.ma / DatasetBlockSize;
if (memory.lcm->blockNumber != blockNumber) {
initBlock<softAes>(memory.lcm->cache, (uint8_t*)memory.lcm->block, blockNumber, memory.lcm->keys);
initBlock<softAes>(memory.lcm->cache + CacheShift, (uint8_t*)memory.lcm->block, blockNumber, memory.lcm->keys);
memory.lcm->blockNumber = blockNumber;
}
data.u64 = *(uint64_t*)(memory.lcm->block + (memory.ma % DatasetBlockSize));
@@ -263,15 +264,16 @@ namespace RandomX {
if (dataset == nullptr) {
throw std::runtime_error("Dataset memory allocation failed. >4 GiB of virtual memory is needed.");
}
uint8_t* cache = (uint8_t*)_mm_malloc(CacheSize, sizeof(__m128i));
if (dataset == nullptr) {
uint8_t* cache = (uint8_t*)_mm_malloc(CacheSize + CacheShift, sizeof(__m128i));
if (cache == nullptr) {
throw std::bad_alloc();
}
initializeCache(seed, SeedSize, cache);
memcpy(cache + CacheSize, cache, CacheShift);
alignas(16) __m128i keys[10];
expandAesKeys<softAes>((const __m128i*)seed, keys);
for (uint32_t i = 0; i < DatasetBlockCount; ++i) {
initBlock<softAes>(cache, dataset + i * DatasetBlockSize, i, keys);
initBlock<softAes>(cache + CacheShift, dataset + i * DatasetBlockSize, i, keys);
}
_mm_free(cache);
}
@@ -285,11 +287,12 @@ namespace RandomX {
template<bool softAes>
void datasetInitLight(const void* seed, LightClientMemory*& lcm) {
lcm = new LightClientMemory();
lcm->cache = (uint8_t*)_mm_malloc(CacheSize, sizeof(__m128i));
lcm->cache = (uint8_t*)_mm_malloc(CacheSize + CacheShift, sizeof(__m128i));
if (lcm->cache == nullptr) {
throw std::bad_alloc();
}
initializeCache(seed, SeedSize, lcm->cache);
memcpy(lcm->cache + CacheSize, lcm->cache, CacheShift);
expandAesKeys<softAes>((__m128i*)seed, lcm->keys);
lcm->block = (uint8_t*)_mm_malloc(DatasetBlockSize, sizeof(__m128i));
if (lcm->block == nullptr) {
@@ -303,4 +306,4 @@ namespace RandomX {
template
void datasetInitLight<true>(const void*, LightClientMemory*&);
}
}