fzorb/REDACTED-rig
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

RandomX: added huge-pages-jit config parameter

Browse source 
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
Download patch file Download diff file Expand all files Collapse all files

9
src/crypto/common/VirtualMemory_unix.cpp
View file

@ -63,7 +63,7 @@ bool xmrig::VirtualMemory::isOneGbPagesAvailable()
}
void *xmrig::VirtualMemory::allocateExecutableMemory(size_t size)
void *xmrig::VirtualMemory::allocateExecutableMemory(size_t size, bool hugePages)
{
# if defined(__APPLE__)
void *mem = mmap(0, size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANON, -1, 0);
@ -77,7 +77,12 @@ void *xmrig::VirtualMemory::allocateExecutableMemory(size_t size)
constexpr int flag_2mb = 0;
# endif
void *mem = mmap(0, align(size), PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS | MAP_POPULATE | flag_2mb, -1, 0);
void *mem = nullptr;
if (hugePages) {
mem = mmap(0, align(size), PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS | MAP_POPULATE | flag_2mb, -1, 0);
}
if (!mem) {
void *mem = mmap(0, size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
}