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RandomX: added huge-pages-jit config parameter

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Set to false by default, gives 0.2% boost on Ryzen 7 3700X with 16 threads, but hashrate might be unstable on Ryzen between launches. Use with caution.
This commit is contained in:
SChernykh 2020-10-07 17:42:55 +02:00
parent a8466a139c
commit 44dcded866
23 changed files with 62 additions and 26 deletions
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2
src/crypto/cn/CnCtx.cpp
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@ -39,7 +39,7 @@ void xmrig::CnCtx::create(cryptonight_ctx **ctx, uint8_t *memory, size_t size, s
cryptonight_ctx *c = static_cast<cryptonight_ctx *>(_mm_malloc(sizeof(cryptonight_ctx), 4096));
c->memory = memory + (i * size);
c->generated_code = reinterpret_cast<cn_mainloop_fun_ms_abi>(VirtualMemory::allocateExecutableMemory(0x4000));
c->generated_code = reinterpret_cast<cn_mainloop_fun_ms_abi>(VirtualMemory::allocateExecutableMemory(0x4000, false));
c->generated_code_data.algo = Algorithm::INVALID;
c->generated_code_data.height = std::numeric_limits<uint64_t>::max();

2
src/crypto/cn/CnHash.cpp
View file

@ -139,7 +139,7 @@ static void patchCode(T dst, U src, const uint32_t iterations, const uint32_t ma
static void patchAsmVariants()
{
const int allocation_size = 81920;
auto base = static_cast<uint8_t *>(VirtualMemory::allocateExecutableMemory(allocation_size));
auto base = static_cast<uint8_t *>(VirtualMemory::allocateExecutableMemory(allocation_size, false));
cn_half_mainloop_ivybridge_asm = reinterpret_cast<cn_mainloop_fun> (base + 0x0000);
cn_half_mainloop_ryzen_asm = reinterpret_cast<cn_mainloop_fun> (base + 0x1000);