hsa-runtime integration

Change-Id: I48968966ffe164218ebff88d0e3a1268e96bf1dd [ROCm/ROCR-Runtime commit: 4174f07fd1]
2017-06-23 17:54:27 -05:00
parent 7892cc861c
commit ce82829fc1
120 changed files with 1300 additions and 918 deletions
@@ -0,0 +1,157 @@
+#include "perf_timer.h"
+
+PerfTimer::PerfTimer() { freq_in_100mhz = MeasureTSCFreqHz(); }
+
+PerfTimer::~PerfTimer() {
+  while (!_timers.empty()) {
+    Timer* temp = _timers.back();
+    _timers.pop_back();
+    delete temp;
+  }
+}
+
+// a new cretaed timer instantance index will be returned
+int PerfTimer::CreateTimer() {
+  Timer* newTimer = new Timer;
+  newTimer->_start = 0;
+  newTimer->_clocks = 0;
+
+#ifdef _WIN32
+  QueryPerformanceFrequency((LARGE_INTEGER*)&newTimer->_freq);
+#else
+  newTimer->_freq = (long long)1.0E3;
+#endif
+
+  /* Push back the address of new Timer instance created */
+  _timers.push_back(newTimer);
+  return (int)(_timers.size() - 1);
+}
+
+int PerfTimer::StartTimer(int index) {
+  if (index >= (int)_timers.size()) {
+    Error("Cannot reset timer. Invalid handle.");
+    return FAILURE;
+  }
+
+#ifdef _WIN32
+// General Windows timing method
+#ifndef _AMD
+  long long tmpStart;
+  QueryPerformanceCounter((LARGE_INTEGER*)&(tmpStart));
+  _timers[index]->_start = (double)tmpStart;
+#else
+// AMD Windows timing method
+#endif
+#else
+// General Linux timing method
+#ifndef _AMD
+  struct timeval s;
+  gettimeofday(&s, 0);
+  _timers[index]->_start = s.tv_sec * 1.0E3 + ((double)(s.tv_usec / 1.0E3));
+#else
+  // AMD timing method
+  unsigned int unused;
+  _timers[index]->_start = __rdtscp(&unused);
+#endif
+#endif
+
+  return SUCCESS;
+}
+
+
+int PerfTimer::StopTimer(int index) {
+  double n = 0;
+  if (index >= (int)_timers.size()) {
+    Error("Cannot reset timer. Invalid handle.");
+    return FAILURE;
+  }
+#ifdef _WIN32
+#ifndef _AMD
+  long long n1;
+  QueryPerformanceCounter((LARGE_INTEGER*)&(n1));
+  n = (double)n1;
+#else
+// AMD Window Timing
+#endif
+
+#else
+// General Linux timing method
+#ifndef _AMD
+  struct timeval s;
+  gettimeofday(&s, 0);
+  n = s.tv_sec * 1.0E3 + (double)(s.tv_usec / 1.0E3);
+#else
+  // AMD Linux timing
+  unsigned int unused;
+  n = __rdtscp(&unused);
+#endif
+#endif
+
+  n -= _timers[index]->_start;
+  _timers[index]->_start = 0;
+
+#ifndef _AMD
+  _timers[index]->_clocks += n;
+#else
+  //_timers[index]->_clocks += 10 * n /freq_in_100mhz;      // unit is ns
+  _timers[index]->_clocks += 1.0E-6 * 10 * n / freq_in_100mhz;  // convert to ms
+#endif
+
+  return SUCCESS;
+}
+
+void PerfTimer::Error(string str) { cout << str << endl; }
+
+
+double PerfTimer::ReadTimer(int index) {
+  if (index >= (int)_timers.size()) {
+    Error("Cannot read timer. Invalid handle.");
+    return FAILURE;
+  }
+
+  double reading = double(_timers[index]->_clocks);
+
+  reading = double(reading / _timers[index]->_freq);
+
+  return reading;
+}
+
+
+uint64_t PerfTimer::CoarseTimestampUs() {
+#ifdef _WIN32
+  uint64_t freqHz, ticks;
+  QueryPerformanceFrequency((LARGE_INTEGER*)&freqHz);
+  QueryPerformanceCounter((LARGE_INTEGER*)&ticks);
+
+  // Scale numerator and divisor until (ticks * 1000000) fits in uint64_t.
+  while (ticks > (1ULL << 44)) {
+    ticks /= 16;
+    freqHz /= 16;
+  }
+
+  return (ticks * 1000000) / freqHz;
+#else
+  struct timespec ts;
+  clock_gettime(CLOCK_MONOTONIC_RAW, &ts);
+  return uint64_t(ts.tv_sec) * 1000000 + ts.tv_nsec / 1000;
+#endif
+}
+
+uint64_t PerfTimer::MeasureTSCFreqHz() {
+  // Make a coarse interval measurement of TSC ticks for 1 gigacycles.
+  unsigned int unused;
+  uint64_t tscTicksEnd;
+
+  uint64_t coarseBeginUs = CoarseTimestampUs();
+  uint64_t tscTicksBegin = __rdtscp(&unused);
+  do {
+    tscTicksEnd = __rdtscp(&unused);
+  } while (tscTicksEnd - tscTicksBegin < 1000000000);
+
+  uint64_t coarseEndUs = CoarseTimestampUs();
+
+  // Compute the TSC frequency and round to nearest 100MHz.
+  uint64_t coarseIntervalNs = (coarseEndUs - coarseBeginUs) * 1000;
+  uint64_t tscIntervalTicks = tscTicksEnd - tscTicksBegin;
+  return (tscIntervalTicks * 10 + (coarseIntervalNs / 2)) / coarseIntervalNs;
+}