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Integrated thread based double hash mode

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This commit is contained in:
BenDroid 2017-11-30 22:11:58 +01:00
parent db91ccb1f4
commit 0712d269ef
17 changed files with 161 additions and 134 deletions
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20
src/Mem_win.cpp
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@ -149,12 +149,22 @@ bool Mem::allocate(const Options* options)
m_algo = options->algo();
m_threads = options->threads();
m_doubleHash = options->doubleHash();
m_doubleHashThreadMask = options->doubleHashThreadMask();
m_memorySize = 0;
const int ratio = (m_doubleHash && m_algo != Options::ALGO_CRYPTONIGHT_LITE) ? 2 : 1;
const size_t size = MEMORY * (m_threads * ratio + 1);
size_t scratchPadSize = m_algo == Options::ALGO_CRYPTONIGHT ? MEMORY : MEMORY_LITE;
for (int i=0; i < m_threads; i++) {
m_memorySize += sizeof(cryptonight_ctx);
if (isDoubleHash(i)) {
m_memorySize += scratchPadSize*2;
} else {
m_memorySize += scratchPadSize;
}
}
if (!options->hugePages()) {
m_memory = static_cast<uint8_t*>(_mm_malloc(size, 16));
m_memory = static_cast<uint8_t*>(_mm_malloc(m_memorySize, 16));
return true;
}
@ -162,9 +172,9 @@ bool Mem::allocate(const Options* options)
m_flags |= HugepagesAvailable;
}
m_memory = static_cast<uint8_t*>(VirtualAlloc(NULL, size, MEM_COMMIT | MEM_RESERVE | MEM_LARGE_PAGES, PAGE_READWRITE));
m_memory = static_cast<uint8_t*>(VirtualAlloc(NULL, m_memorySize, MEM_COMMIT | MEM_RESERVE | MEM_LARGE_PAGES, PAGE_READWRITE));
if (!m_memory) {
m_memory = static_cast<uint8_t*>(_mm_malloc(size, 16));
m_memory = static_cast<uint8_t*>(_mm_malloc(m_memorySize, 16));
}
else {
m_flags |= HugepagesEnabled;