src/core/NEON/kernels/winograd/utils.hpp

/*
 * Copyright (c) 2017 ARM Limited.
 *
 * SPDX-License-Identifier: MIT
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in 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:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * 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
 * AUTHORS 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 IN THE
 * SOFTWARE.
 */
#pragma once
#include <ctime>

inline double TimeInUs(void) {
#ifdef CYCLE_PROFILING
  timespec t;
  clock_gettime(CLOCK_THREAD_CPUTIME_ID, &t);
  return 1e6*t.tv_sec + 1e-3*t.tv_nsec;
#else
  return 0;
#endif
}

inline int iceildiv(const int a, const int b) {
  return (a + b - 1) / b;
}

template <typename T>
inline T roundup(const T a, const T b) {
  return a + b - (a % b);
}

inline void PrintMatrix(const float* const m, const int M, const int N, const int row_stride) {
  for (int i = 0; i < M; i++) {
    for (int j = 0; j < N; j++) {
      printf("%.3f ", m[i*row_stride + j]);
    }
    printf("\n");
  }
  printf("\n");
}