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better cpu count guess

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XXTH 2023-05-12 13:47:55 +02:00
parent 4a0c4a69f0
commit ed1402cbd3
1 changed files with 14 additions and 9 deletions
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23
Engine/source/platformSDL/sdlCPUInfo.cpp
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@ -29,22 +29,28 @@
#include "platform/platformCPUCount.h"
#include "console/console.h"
#include <math/mMathFn.h>
Platform::SystemInfo_struct Platform::SystemInfo;
void Processor::init()
{
S32 lCpuCount = SDL_GetCPUCount();
Platform::SystemInfo.processor.numLogicalProcessors = lCpuCount;
//sdl dont have logical/physical CPU count so ... time to guess
Platform::SystemInfo.processor.numPhysicalProcessors = 1; // :/ lCpuCount;
Platform::SystemInfo.processor.isMultiCore = lCpuCount > 1;
//modern CPU should have isHyperThreaded
Platform::SystemInfo.processor.isHyperThreaded = true;
if (lCpuCount > 1)
{
Platform::SystemInfo.processor.numPhysicalProcessors = mFloor(lCpuCount / 2); // guessing ;
Platform::SystemInfo.processor.isMultiCore = true;
//modern CPU should have isHyperThreaded
Platform::SystemInfo.processor.isHyperThreaded = true;
}
else {
Platform::SystemInfo.processor.numPhysicalProcessors = lCpuCount; // guessing ;
Platform::SystemInfo.processor.isMultiCore = false;
Platform::SystemInfo.processor.isHyperThreaded = false;
}
//hackfest
Platform::SystemInfo.processor.mhz = 2666;
@ -139,5 +145,4 @@ namespace CPUInfo
}
}; // namespace CPUInfo
#endif
#endif // defined( __FreeBSD__ )