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Common: Add helper for getting CPU info

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This commit is contained in:
TellowKrinkle
2024-09-13 03:48:07 -05:00
committed by lightningterror
parent 61c653c49c
commit 20241f301b
5 changed files with 87 additions and 5 deletions
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44
common/HostSys.cpp
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@@ -5,6 +5,10 @@
#include "Console.h"
#include "VectorIntrin.h"
#ifndef __APPLE__
#include "cpuinfo.h"
#endif
static u32 PAUSE_TIME = 0;
static void MultiPause()
@@ -135,3 +139,43 @@ void AbortWithMessage(const char* msg)
#endif
abort();
}
#ifndef __APPLE__
// MacOS version is in DarwinMisc
static CPUInfo CalcCPUInfo()
{
CPUInfo out;
out.name = cpuinfo_get_package(0)->name;
out.num_threads = cpuinfo_get_processors_count();
out.num_clusters = cpuinfo_get_clusters_count();
out.num_big_cores = 0;
out.num_small_cores = 0;
const cpuinfo_cluster* clusters = cpuinfo_get_clusters();
uint64_t big_freq = 0;
for (uint32_t i = 0; i < out.num_clusters; i++)
{
const cpuinfo_cluster& cluster = clusters[i];
if (cluster.frequency > big_freq)
{
out.num_small_cores += out.num_big_cores;
out.num_big_cores = cluster.core_count;
big_freq = cluster.frequency;
}
else if (cluster.frequency == big_freq)
{
out.num_big_cores += cluster.core_count;
}
else
{
out.num_small_cores += cluster.core_count;
}
}
return out;
}
const CPUInfo& GetCPUInfo()
{
static const CPUInfo info = CalcCPUInfo();
return info;
}
#endif