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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 196beded79
commit daa4d912b3
17 changed files with 161 additions and 134 deletions
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63
src/Mem.cpp
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@ -30,58 +30,29 @@
#include "Options.h"
bool Mem::m_doubleHash = false;
int Mem::m_algo = 0;
int Mem::m_flags = 0;
int Mem::m_threads = 0;
size_t Mem::m_offset = 0;
uint8_t *Mem::m_memory = nullptr;
bool Mem::m_doubleHash = false;
int Mem::m_algo = 0;
int Mem::m_flags = 0;
int Mem::m_threads = 0;
size_t Mem::m_memorySize = 0;
uint8_t *Mem::m_memory = nullptr;
int64_t Mem::m_doubleHashThreadMask = -1L;
cryptonight_ctx *Mem::create(int threadId)
{
# ifndef XMRIG_NO_AEON
if (m_algo == Options::ALGO_CRYPTONIGHT_LITE) {
return createLite(threadId);
size_t scratchPadSize = m_algo == Options::ALGO_CRYPTONIGHT ? MEMORY : MEMORY_LITE;
size_t offset = 0;
for (int i=0; i < threadId; i++) {
offset += sizeof(cryptonight_ctx);
offset += isDoubleHash(i) ? scratchPadSize*2 : scratchPadSize;
}
# endif
cryptonight_ctx *ctx = reinterpret_cast<cryptonight_ctx *>(&m_memory[MEMORY - sizeof(cryptonight_ctx) * (threadId + 1)]);
auto* ctx = reinterpret_cast<cryptonight_ctx *>(&m_memory[offset]);
const int ratio = m_doubleHash ? 2 : 1;
ctx->memory = &m_memory[MEMORY * (threadId * ratio + 1)];
size_t memOffset = offset+sizeof(cryptonight_ctx);
ctx->memory = &m_memory[memOffset];
return ctx;
}
void *Mem::calloc(size_t num, size_t size)
{
void *mem = &m_memory[m_offset];
m_offset += (num * size);
memset(mem, 0, num * size);
return mem;
}
#ifndef XMRIG_NO_AEON
cryptonight_ctx *Mem::createLite(int threadId) {
cryptonight_ctx *ctx;
if (!m_doubleHash) {
const size_t offset = MEMORY * (threadId + 1);
ctx = reinterpret_cast<cryptonight_ctx *>(&m_memory[offset + MEMORY_LITE]);
ctx->memory = &m_memory[offset];
return ctx;
}
ctx = reinterpret_cast<cryptonight_ctx *>(&m_memory[MEMORY - sizeof(cryptonight_ctx) * (threadId + 1)]);
ctx->memory = &m_memory[MEMORY * (threadId + 1)];
return ctx;
}
#endif