tiamak/xmrig
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Implemented unified cryptonight and RandomX scratchpad memory.

Browse Source
This commit is contained in:
XMRig
2019-07-17 04:33:11 +07:00
parent 5699147aab
commit 20313cbc56
30 changed files with 434 additions and 297 deletions
Download Patch File Download Diff File Expand all files Collapse all files

51
src/Mem.cpp
View File

@@ -24,59 +24,8 @@
*/
#include <limits>
#include "crypto/cn/CryptoNight.h"
#include "crypto/common/portable/mm_malloc.h"
#include "crypto/common/VirtualMemory.h"
#include "Mem.h"
bool Mem::m_enabled = true;
int Mem::m_flags = 0;
MemInfo Mem::create(cryptonight_ctx **ctx, const xmrig::Algorithm &algorithm, size_t count)
{
using namespace xmrig;
constexpr CnAlgo<Algorithm::CN_0> props;
MemInfo info;
info.size = props.memory(algorithm.id()) * count;
constexpr const size_t align_size = 2 * 1024 * 1024;
info.size = ((info.size + align_size - 1) / align_size) * align_size;
info.pages = info.size / align_size;
allocate(info, m_enabled);
for (size_t i = 0; i < count; ++i) {
cryptonight_ctx *c = static_cast<cryptonight_ctx *>(_mm_malloc(sizeof(cryptonight_ctx), 4096));
c->memory = info.memory + (i * props.memory(algorithm.id()));
c->generated_code = reinterpret_cast<cn_mainloop_fun_ms_abi>(VirtualMemory::allocateExecutableMemory(0x4000));
c->generated_code_data.algo = Algorithm::INVALID;
c->generated_code_data.height = std::numeric_limits<uint64_t>::max();
ctx[i] = c;
}
return info;
}
void Mem::release(cryptonight_ctx **ctx, size_t count, MemInfo &info)
{
if (info.memory == nullptr) {
return;
}
release(info);
for (size_t i = 0; i < count; ++i) {
_mm_free(ctx[i]);
}
}