//----------------------------------------------------------------------
//-- a little cross platform numa allocator
//-- use the existing theron defines for convenience
//----------------------------------------------------------------------
inline void *AllocOnNode(const long node, const size_t size)
{
#if THERON_NUMA
#if THERON_WINDOWS
#if _WIN32_WINNT >= 0x0600
return VirtualAllocExNuma(
GetCurrentProcess(),
NULL,
size,
MEM_RESERVE | MEM_COMMIT,
PAGE_READWRITE,
node
);
#else
return NULL;
#endif
#elif THERON_GCC
if ((numa_available() < 0))
{
return NULL;
}
return numa_alloc_onnode(size, node);
#endif
#endif // THERON_NUMA
return NULL;
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
// Allocates the specified amount of bytes from virtual memory.
// Tries to allocate the memory from the specified NUMA node.
static void* AllocateNuma(size_t size, unsigned int prefferedNode) {
Statistics::BlockAllocated();
#if defined(PLATFORM_WINDOWS)
if(VirtualAllocExNumaFct != nullptr) {
// Under Vista+, allocate using the special NUMA method.
return VirtualAllocExNuma(GetCurrentProcess(), nullptr, size,
MEM_COMMIT, PAGE_READWRITE, prefferedNode);
}
else {
return VirtualAlloc(nullptr, size, MEM_COMMIT, PAGE_READWRITE);
}
#else
static_assert(false, "Not yet implemented.");
#endif
}
