/usr/include/trilinos/Kokkos_Timer.hpp is in libtrilinos-kokkos-dev 12.12.1-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Kokkos v. 2.0
// Copyright (2014) Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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*/
#ifndef KOKKOS_TIMER_HPP
#define KOKKOS_TIMER_HPP
#include <cstddef>
#ifdef _MSC_VER
#undef KOKKOS_ENABLE_LIBRT
#include <gettimeofday.c>
#else
#ifdef KOKKOS_ENABLE_LIBRT
#include <ctime>
#else
#include <sys/time.h>
#endif
#endif
namespace Kokkos {
/** \brief Time since construction */
class Timer {
private:
#ifdef KOKKOS_ENABLE_LIBRT
struct timespec m_old;
#else
struct timeval m_old ;
#endif
Timer( const Timer & );
Timer & operator = ( const Timer & );
public:
inline
void reset() {
#ifdef KOKKOS_ENABLE_LIBRT
clock_gettime(CLOCK_REALTIME, &m_old);
#else
gettimeofday( & m_old , ((struct timezone *) NULL ) );
#endif
}
inline
~Timer() {}
inline
Timer() { reset(); }
inline
double seconds() const
{
#ifdef KOKKOS_ENABLE_LIBRT
struct timespec m_new;
clock_gettime(CLOCK_REALTIME, &m_new);
return ( (double) ( m_new.tv_sec - m_old.tv_sec ) ) +
( (double) ( m_new.tv_nsec - m_old.tv_nsec ) * 1.0e-9 );
#else
struct timeval m_new ;
gettimeofday( & m_new , ((struct timezone *) NULL ) );
return ( (double) ( m_new.tv_sec - m_old.tv_sec ) ) +
( (double) ( m_new.tv_usec - m_old.tv_usec ) * 1.0e-6 );
#endif
}
};
} // namespace Kokkos
#endif /* #ifndef KOKKOS_TIMER_HPP */
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