wsl/hsakmt: initial commit

Signed-off-by: lyndonli <Lyndon.Li@amd.com>
Signed-off-by: Horatio Zhang <Hongkun.Zhang@amd.com>
Signed-off-by: Shi.Leslie <Yuliang.Shi@amd.com>
Signed-off-by: LonglongYao <Longlong.Yao@amd.com>
Signed-off-by: tiancyin <tianci.yin@amd.com>
Signed-off-by: Frank Min <Frank.Min@amd.com>
Signed-off-by: Aaron Liu <aaron.liu@amd.com>
Signed-off-by: Shane Xiao <shane.xiao@amd.com>
Signed-off-by: Lang Yu <lang.yu@amd.com>
Signed-off-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Ruili Ji <ruiliji2@amd.com>
Signed-off-by: Qiang Yu <qiang.yu@amd.com>
Signed-off-by: Flora Cui <flora.cui@amd.com>

util/timer.cpp

@@ -0,0 +1,111 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+// The University of Illinois/NCSA
+// Open Source License (NCSA)
+// 
+// Copyright (c) 2014-2020, Advanced Micro Devices, Inc. All rights reserved.
+// 
+// Developed by:
+// 
+//                 AMD Research and AMD HSA Software Development
+// 
+//                 Advanced Micro Devices, Inc.
+// 
+//                 www.amd.com
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal with the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+// 
+//  - Redistributions of source code must retain the above copyright notice,
+//    this list of conditions and the following disclaimers.
+//  - Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimers in
+//    the documentation and/or other materials provided with the distribution.
+//  - Neither the names of Advanced Micro Devices, Inc,
+//    nor the names of its contributors may be used to endorse or promote
+//    products derived from this Software without specific prior written
+//    permission.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+// OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS WITH THE SOFTWARE.
+//
+////////////////////////////////////////////////////////////////////////////////
+
+#include "core/util/timer.h"
+
+namespace rocr {
+namespace timer {
+
+accurate_clock::init::init() {
+  freq = os::AccurateClockFrequency();
+  accurate_clock::period_ns = 1e9 / double(freq);
+}
+
+// Calibrates the fast clock using the accurate clock.
+fast_clock::init::init() {
+  typedef accurate_clock clock;
+  clock::duration delay(std::chrono::milliseconds(1));
+
+  // calibrate clock
+  fast_clock::raw_rep min = 0;
+  clock::duration elapsed;
+
+  do {
+    elapsed = clock::duration::max();
+
+    for (int t = 0; t < 10; t++) {
+      fast_clock::raw_rep r1, r2;
+      clock::time_point t0, t1, t2, t3;
+
+      t0 = clock::now();
+      std::atomic_signal_fence(std::memory_order_acq_rel);
+      r1 = fast_clock::raw_now();
+      std::atomic_signal_fence(std::memory_order_acq_rel);
+      t1 = clock::now();
+      std::atomic_signal_fence(std::memory_order_acq_rel);
+
+      do {
+        t2 = clock::now();
+      } while (t2 - t1 < delay);
+
+      std::atomic_signal_fence(std::memory_order_acq_rel);
+      r2 = fast_clock::raw_now();
+      std::atomic_signal_fence(std::memory_order_acq_rel);
+      t3 = clock::now();
+
+      // If elapsed time is shorter than last recorded time and both the start
+      // and end times are confirmed correlated then record the clock readings.
+      // This protects against inaccuracy due to thread switching
+      if ((t3 - t1 < elapsed) && ((t1 - t0) * 10 < (t2 - t1)) &&
+          ((t3 - t2) * 10 < (t2 - t1))) {
+        elapsed = t3 - t1;
+        min = r2 - r1;
+      }
+    }
+    delay += delay;
+  } while (min < 1000);
+
+  fast_clock::freq = double(min) / duration_in_seconds(elapsed);
+  fast_clock::period_ps = 1e12 / fast_clock::freq;
+  // printf("Timer setup took %f ms\n", duration_in_seconds(elapsed)*1000.0f);
+  // printf("Fast clock frequency: %f MHz\n", double(fast_clock::freq)/1e6);
+}
+
+double accurate_clock::period_ns;
+accurate_clock::raw_frequency accurate_clock::freq;
+accurate_clock::init accurate_clock::accurate_clock_init;
+
+double fast_clock::period_ps;
+fast_clock::raw_frequency fast_clock::freq;
+fast_clock::init fast_clock::fast_clock_init;
+}   //  namespace timer
+}   //  namespace rocr