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CPU (Windows): try improving performance

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This commit is contained in:
李通洲
2023-03-21 15:27:04 +08:00
parent ff8c761de0
commit b3da6b0e89
1 changed files with 10 additions and 7 deletions
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src/detection/cpu/cpu_windows.c
+10 -7
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@@ -15,25 +15,28 @@ void ffDetectCPUImpl(const FFinstance* instance, FFCPUResult* cpu)
{
DWORD length = 0;
GetLogicalProcessorInformationEx(RelationProcessorCore, NULL, &length);
GetLogicalProcessorInformationEx(RelationAll, NULL, &length);
SYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX* FF_AUTO_FREE
pLogicalInfo = (SYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX*)malloc(length);
pProcessorInfo = (SYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX*)malloc(length);
if(pLogicalInfo && GetLogicalProcessorInformationEx(RelationProcessorCore, pLogicalInfo, &length))
if(pProcessorInfo && GetLogicalProcessorInformationEx(RelationAll, pProcessorInfo, &length))
{
for(
SYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX* ptr = pLogicalInfo;
(uint8_t*)ptr < ((uint8_t*)pLogicalInfo) + length;
SYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX* ptr = pProcessorInfo;
(uint8_t*)ptr < ((uint8_t*)pProcessorInfo) + length;
ptr = (SYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX*)(((uint8_t*)ptr) + ptr->Size)
)
{
if(ptr->Relationship == RelationProcessorCore)
++cpu->coresPhysical;
else if(ptr->Relationship == RelationGroup)
{
cpu->coresOnline += ptr->Group.GroupInfo->ActiveProcessorCount;
cpu->coresLogical += ptr->Group.GroupInfo->MaximumProcessorCount;
}
}
}
}
cpu->coresOnline = (uint16_t)GetActiveProcessorCount(ALL_PROCESSOR_GROUPS);
cpu->coresLogical = (uint16_t)GetMaximumProcessorCount(ALL_PROCESSOR_GROUPS);
FF_HKEY_AUTO_DESTROY hKey;
if(!ffRegOpenKeyForRead(HKEY_LOCAL_MACHINE, L"HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0", &hKey, NULL))