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Use hwloc for set thread affinity.

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This commit is contained in:
XMRig 2019-10-06 14:40:42 +07:00
parent 9101469308
commit 72c9d94390
9 changed files with 118 additions and 38 deletions
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7
src/crypto/common/VirtualMemory.cpp
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@ -46,8 +46,11 @@ uint32_t xmrig::VirtualMemory::bindToNUMANode(int64_t affinity)
return 0;
}
auto cpu = static_cast<HwlocCpuInfo *>(Cpu::info());
hwloc_obj_t pu = hwloc_get_pu_obj_by_os_index(cpu->topology(), static_cast<unsigned>(affinity));
auto cpu = static_cast<HwlocCpuInfo *>(Cpu::info());
hwloc_obj_t pu = hwloc_get_pu_obj_by_os_index(cpu->topology(), static_cast<unsigned>(affinity));
char *buffer;
hwloc_bitmap_asprintf(&buffer, pu->cpuset);
if (pu == nullptr || !cpu->membind(pu->nodeset)) {
LOG_WARN("CPU #%02" PRId64 " warning: \"can't bind memory\"", affinity);

13
src/crypto/common/VirtualMemory.h
View file

@ -28,8 +28,11 @@
#define XMRIG_VIRTUALMEMORY_H
#include <stddef.h>
#include <stdint.h>
#include "base/tools/Object.h"
#include <cstddef>
#include <cstdint>
#include <utility>
@ -39,7 +42,9 @@ namespace xmrig {
class VirtualMemory
{
public:
inline VirtualMemory() {}
XMRIG_DISABLE_COPY_MOVE(VirtualMemory)
VirtualMemory() = default;
VirtualMemory(size_t size, bool hugePages = true, size_t align = 64);
~VirtualMemory();
@ -49,7 +54,7 @@ public:
inline std::pair<size_t, size_t> hugePages() const
{
return std::pair<size_t, size_t>(isHugePages() ? (align(size()) / 2097152) : 0, align(size()) / 2097152);
return { isHugePages() ? (align(size()) / 2097152) : 0, align(size()) / 2097152 };
}
static uint32_t bindToNUMANode(int64_t affinity);