1 files changed, 116 insertions, 0 deletions
diff --git a/final/runtime/src/kmp_stats_timing.h b/final/runtime/src/kmp_stats_timing.h
new file mode 100644
index 0000000..84252ec
--- /dev/null
+++ b/final/runtime/src/kmp_stats_timing.h
@@ -0,0 +1,116 @@
+#ifndef KMP_STATS_TIMING_H
+#define KMP_STATS_TIMING_H
+
+/** @file kmp_stats_timing.h
+ * Access to real time clock and timers.
+ */
+
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.txt for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "kmp_os.h"
+#include <limits>
+#include <stdint.h>
+#include <string>
+#if KMP_HAVE_X86INTRIN_H
+#include <x86intrin.h>
+#endif
+
+class tsc_tick_count {
+private:
+  int64_t my_count;
+
+public:
+  class tsc_interval_t {
+    int64_t value;
+    explicit tsc_interval_t(int64_t _value) : value(_value) {}
+
+  public:
+    tsc_interval_t() : value(0) {} // Construct 0 time duration
+#if KMP_HAVE_TICK_TIME
+    double seconds() const; // Return the length of a time interval in seconds
+#endif
+    double ticks() const { return double(value); }
+    int64_t getValue() const { return value; }
+    tsc_interval_t &operator=(int64_t nvalue) {
+      value = nvalue;
+      return *this;
+    }
+
+    friend class tsc_tick_count;
+
+    friend tsc_interval_t operator-(const tsc_tick_count &t1,
+                                    const tsc_tick_count &t0);
+    friend tsc_interval_t operator-(const tsc_tick_count::tsc_interval_t &i1,
+                                    const tsc_tick_count::tsc_interval_t &i0);
+    friend tsc_interval_t &operator+=(tsc_tick_count::tsc_interval_t &i1,
+                                      const tsc_tick_count::tsc_interval_t &i0);
+  };
+
+#if KMP_HAVE___BUILTIN_READCYCLECOUNTER
+  tsc_tick_count()
+      : my_count(static_cast<int64_t>(__builtin_readcyclecounter())) {}
+#elif KMP_HAVE___RDTSC
+  tsc_tick_count() : my_count(static_cast<int64_t>(__rdtsc())) {}
+#else
+#error Must have high resolution timer defined
+#endif
+  tsc_tick_count(int64_t value) : my_count(value) {}
+  int64_t getValue() const { return my_count; }
+  tsc_tick_count later(tsc_tick_count const other) const {
+    return my_count > other.my_count ? (*this) : other;
+  }
+  tsc_tick_count earlier(tsc_tick_count const other) const {
+    return my_count < other.my_count ? (*this) : other;
+  }
+#if KMP_HAVE_TICK_TIME
+  static double tick_time(); // returns seconds per cycle (period) of clock
+#endif
+  static tsc_tick_count now() {
+    return tsc_tick_count();
+  } // returns the rdtsc register value
+  friend tsc_tick_count::tsc_interval_t operator-(const tsc_tick_count &t1,
+                                                  const tsc_tick_count &t0);
+};
+
+inline tsc_tick_count::tsc_interval_t operator-(const tsc_tick_count &t1,
+                                                const tsc_tick_count &t0) {
+  return tsc_tick_count::tsc_interval_t(t1.my_count - t0.my_count);
+}
+
+inline tsc_tick_count::tsc_interval_t
+operator-(const tsc_tick_count::tsc_interval_t &i1,
+          const tsc_tick_count::tsc_interval_t &i0) {
+  return tsc_tick_count::tsc_interval_t(i1.value - i0.value);
+}
+
+inline tsc_tick_count::tsc_interval_t &
+operator+=(tsc_tick_count::tsc_interval_t &i1,
+           const tsc_tick_count::tsc_interval_t &i0) {
+  i1.value += i0.value;
+  return i1;
+}
+
+#if KMP_HAVE_TICK_TIME
+inline double tsc_tick_count::tsc_interval_t::seconds() const {
+  return value * tick_time();
+}
+#endif
+
+extern std::string formatSI(double interval, int width, char unit);
+
+inline std::string formatSeconds(double interval, int width) {
+  return formatSI(interval, width, 'S');
+}
+
+inline std::string formatTicks(double interval, int width) {
+  return formatSI(interval, width, 'T');
+}
+
+#endif // KMP_STATS_TIMING_H