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Implemented virtual memory free

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Removed legacy AES code
This commit is contained in:
tevador
2019-03-08 11:46:03 +01:00
parent 6e8c83fdb6
commit 096a7c0d7b
9 changed files with 44 additions and 134 deletions
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src/dataset.cpp
+25 -44
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@@ -39,36 +39,36 @@ along with RandomX. If not, see<http://www.gnu.org/licenses/>.
namespace RandomX {
void initBlock(const uint8_t* cache, uint8_t* out, uint32_t blockNumber, const KeysContainer& keys) {
uint64_t r0, r1, r2, r3, r4, r5, r6, r7;
void initBlock(const uint8_t* cache, uint8_t* out, uint32_t blockNumber) {
uint64_t c0, c1, c2, c3, c4, c5, c6, c7;
r0 = 4ULL * blockNumber;
r1 = r2 = r3 = r4 = r5 = r6 = r7 = 0;
c0 = 4ULL * blockNumber;
c1 = c2 = c3 = c4 = c5 = c6 = c7 = 0;
constexpr uint32_t mask = (CacheSize - 1) & CacheLineAlignMask;
for (auto i = 0; i < DatasetIterations; ++i) {
const uint8_t* mixBlock = cache + (r0 & mask);
const uint8_t* mixBlock = cache + (c0 & mask);
PREFETCHNTA(mixBlock);
r0 = squareHash(r0);
r0 ^= load64(mixBlock + 0);
r1 ^= load64(mixBlock + 8);
r2 ^= load64(mixBlock + 16);
r3 ^= load64(mixBlock + 24);
r4 ^= load64(mixBlock + 32);
r5 ^= load64(mixBlock + 40);
r6 ^= load64(mixBlock + 48);
r7 ^= load64(mixBlock + 56);
c0 = squareHash(c0);
c0 ^= load64(mixBlock + 0);
c1 ^= load64(mixBlock + 8);
c2 ^= load64(mixBlock + 16);
c3 ^= load64(mixBlock + 24);
c4 ^= load64(mixBlock + 32);
c5 ^= load64(mixBlock + 40);
c6 ^= load64(mixBlock + 48);
c7 ^= load64(mixBlock + 56);
}
store64(out + 0, r0);
store64(out + 8, r1);
store64(out + 16, r2);
store64(out + 24, r3);
store64(out + 32, r4);
store64(out + 40, r5);
store64(out + 48, r6);
store64(out + 56, r7);
store64(out + 0, c0);
store64(out + 8, c1);
store64(out + 16, c2);
store64(out + 24, c3);
store64(out + 32, c4);
store64(out + 40, c5);
store64(out + 48, c6);
store64(out + 56, c7);
}
void datasetRead(addr_t addr, MemoryRegisters& memory, RegisterFile& reg) {
@@ -86,7 +86,7 @@ namespace RandomX {
memory.mx &= CacheLineAlignMask; //align to cache line
Cache* cache = memory.ds.cache;
uint64_t datasetLine[CacheLineSize / sizeof(uint64_t)];
initBlock(cache->getCache(), (uint8_t*)datasetLine, memory.ma / CacheLineSize, cache->getKeys());
initBlock(cache->getCache(), (uint8_t*)datasetLine, memory.ma / CacheLineSize);
for (int i = 0; i < RegistersCount; ++i)
reg[i] ^= datasetLine[i];
std::swap(memory.mx, memory.ma);
@@ -119,31 +119,12 @@ namespace RandomX {
void datasetInit(Cache* cache, dataset_t ds, uint32_t startBlock, uint32_t blockCount) {
for (uint32_t i = startBlock; i < startBlock + blockCount; ++i) {
initBlock(cache->getCache(), ds.dataset + i * CacheLineSize, i, cache->getKeys());
initBlock(cache->getCache(), ds.dataset + i * CacheLineSize, i);
}
}
template<bool softAes>
void datasetInitCache(const void* seed, dataset_t& ds, bool largePages) {
ds.cache = new(Cache::alloc(largePages)) Cache();
ds.cache->initialize<softAes>(seed, SeedSize);
ds.cache->initialize(seed, SeedSize);
}
template
void datasetInitCache<false>(const void*, dataset_t&, bool);
template
void datasetInitCache<true>(const void*, dataset_t&, bool);
template<bool softAes>
void aesBench(uint32_t blockCount) {
alignas(16) KeysContainer keys;
alignas(16) uint8_t buffer[CacheLineSize];
for (uint32_t block = 0; block < blockCount; ++block) {
initBlock(buffer, buffer, 0, keys);
}
}
template void aesBench<false>(uint32_t blockCount);
template void aesBench<true>(uint32_t blockCount);
}