text: /*
  * Copyright (c) 2018-2019, NVIDIA CORPORATION.  All rights reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
  #pragma once
  
  #ifdef _WIN32
  
  #define WINDOWS_LEAN_AND_MEAN
  #define VC_EXTRALEAN
  #define NOMINMAX
  #include <windows.h> // QueryPerformanceFrequency, QueryPerformanceCounter
  
  inline double GetTime()
  {
  	unsigned long long counter, frequency;
  	QueryPerformanceCounter((LARGE_INTEGER*)(&counter));
  	QueryPerformanceFrequency((LARGE_INTEGER*)&frequency);
  
  	return (double)counter / (double)frequency;
  }
  
  #else
  
  #include <sys/time.h>
  #include <unistd.h>
  
  inline double GetTime()
  {
  	timeval tv;
  	gettimeofday( &tv, NULL );
  	return (double)(tv.tv_sec*1000000+tv.tv_usec)/1000000.0;
  }
  
  #endif
  
  
  