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--- lib/CL/devices/cpuinfo.c.orig 2016-11-20 11:31:19.521203000 +0100
+++ lib/CL/devices/cpuinfo.c 2016-11-20 11:29:24.502817000 +0100
@@ -31,9 +31,13 @@
# include "vccompat.hpp"
#endif
+#include <sys/types.h>
+#include <sys/sysctl.h>
+
#include "config.h"
#include "cpuinfo.h"
+#if 0
const char* cpuinfo = "/proc/cpuinfo";
#define MAX_CPUINFO_SIZE 64*1024
//#define DEBUG_POCL_CPUINFO
@@ -152,8 +156,29 @@ pocl_cpuinfo_detect_max_clock_frequency(
}
return -1;
}
+#endif
+
+/**
+ * Detects the number of parallel hardware threads supported by
+ * the CPU.
+ *
+ * @return The number of hardware threads.
+ */
+ int
+pocl_cpuinfo_detect_compute_unit_count()
+{
+ int mib[2], nocpus;
+ size_t len;
+ mib[0] = CTL_HW;
+ mib[1] = HW_NCPU;
+ len = sizeof(nocpus);
+ sysctl(mib, 2, &nocpus, &len, NULL, 0);
+ return nocpus;
+}
+
+#if 0
/**
* Detects the number of parallel hardware threads supported by
* the CPU by parsing the cpuinfo.
@@ -231,6 +256,27 @@ pocl_cpuinfo_detect_compute_unit_count()
}
return -1;
}
+#endif
+
+/**
+ * Detects the maximum clock frequency of the CPU.
+ *
+ * Assumes all cores have the same max clock freq.
+ *
+ * @return The clock frequency in MHz.
+ */
+int
+pocl_cpuinfo_detect_max_clock_frequency()
+{
+ //XXX PLEASE NOTE, THIS IS NOT TOO PORTABLE (AND/OR ACCURATE)!
+ const char mib[] = "hw.clockrate";
+ size_t size = sizeof(int);
+ int clockrate;
+
+ sysctlbyname(mib, (void *)&clockrate, &size, NULL, 0);
+
+ return clockrate;
+ }
#ifdef POCL_ANDROID
@@ -269,6 +315,7 @@ pocl_cpuinfo_get_cpu_name_and_vendor(cl_
* short_name is in the .data anyways.*/
device->long_name = device->short_name;
+#if 0
/* default vendor and vendor_id, in case it cannot be found by other means */
device->vendor = cpuvendor_default;
if (device->vendor_id == 0)
@@ -317,6 +364,7 @@ pocl_cpuinfo_get_cpu_name_and_vendor(cl_
char *new_name = (char*)malloc (len);
snprintf (new_name, len, "%s-%s", device->short_name, start);
device->long_name = new_name;
+#endif
}
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