}
return UniqueItems.size();
}
+#elif defined(__APPLE__) && defined(__x86_64__)
+#include <sys/param.h>
+#include <sys/sysctl.h>
+
+// Gets the number of *physical cores* on the machine.
+static int computeHostNumPhysicalCores() {
+ uint32_t count;
+ size_t len = sizeof(count);
+ sysctlbyname("hw.physicalcpu", &count, &len, NULL, 0);
+ if (count < 1) {
+ int nm[2];
+ nm[0] = CTL_HW;
+ nm[1] = HW_AVAILCPU;
+ sysctl(nm, 2, &count, &len, NULL, 0);
+ if (count < 1)
+ return -1;
+ }
+ return count;
+}
#else
// On other systems, return -1 to indicate unknown.
static int computeHostNumPhysicalCores() { return -1; }
Host.setTriple(Triple::normalize(sys::getProcessTriple()));
// Initially this is only testing detection of the number of
- // physical cores, which is currently only supported for
- // x86_64 Linux.
+ // physical cores, which is currently only supported/tested for
+ // x86_64 Linux and Darwin.
SupportedArchAndOSs.push_back(std::make_pair(Triple::x86_64, Triple::Linux));
+ SupportedArchAndOSs.push_back(std::make_pair(Triple::x86_64, Triple::Darwin));
}
};