Detecting physical cores in GNU/Linux

chronoxor · chronoxor · commit 15ab362837f7 · 2025-04-16T23:21:38.000+02:00
diff --git a/source/benchmark/system.cpp b/source/benchmark/system.cpp
@@ -209,7 +209,7 @@ std::pair<int, int> System::CpuTotalCores()
     }
 
     size_t logical = cores.size();
-    long physical = sysconf(_SC_N2PROCESSORS_ONLN);
+    long physical = sysconf(_SC_NPROCESSORS_ONLN);
     return std::make_pair(logical, physical);
 #elif defined(_WIN32) || defined(_WIN64)
     BOOL allocated = FALSE;

Original file line number	Diff line number	Diff line change
`@@ -209,7 +209,7 @@ std::pair<int, int> System::CpuTotalCores()`
`209`	`209`	`}`
`210`	`210`
`211`	`211`	`size_t logical = cores.size();`
`212`		`- long physical = sysconf(_SC_N2PROCESSORS_ONLN);`
	`212`	`+ long physical = sysconf(_SC_NPROCESSORS_ONLN);`
`213`	`213`	`return std::make_pair(logical, physical);`
`214`	`214`	`#elif defined(_WIN32) \|\| defined(_WIN64)`
`215`	`215`	`BOOL allocated = FALSE;`