/*
 * Copyright(C) 1999-2020 National Technology & Engineering Solutions
 * of Sandia, LLC (NTESS).  Under the terms of Contract DE-NA0003525 with
 * NTESS, the U.S. Government retains certain rights in this software.
 *
 * See packages/seacas/LICENSE for details
 */

#include <stdio.h>

/* Timing parameters. */

double start_time        = -1;
double total_time        = 0;
double input_time        = 0;
double partition_time    = 0;
double sequence_time     = 0;
double kernel_time       = 0;
double reformat_time     = 0;
double check_input_time  = 0;
double count_time        = 0;
double print_assign_time = 0;

double coarsen_time     = 0;
double match_time       = 0;
double make_cgraph_time = 0;

double lanczos_time = 0;
double splarax_time = 0;
double orthog_time  = 0;
double ql_time      = 0;
double tevec_time   = 0;
double ritz_time    = 0;
double evec_time    = 0;
double blas_time    = 0;
double init_time    = 0;
double scan_time    = 0;
double debug_time   = 0;
double pause_time   = 0;

double rqi_symmlq_time = 0;
double refine_time     = 0;

double kl_total_time  = 0;
double kl_init_time   = 0;
double nway_kl_time   = 0;
double kl_bucket_time = 0;

double inertial_time      = 0;
double inertial_axis_time = 0;
double median_time        = 0;

double sim_time = 0;

void time_out(FILE *outfile /* file to print output to */
)
{
  FILE *     tempfile;    /* file name for two passes */
  extern int ECHO;        /* parameter for different output styles */
  extern int OUTPUT_TIME; /* how much timing output should I print? */
  double     time_tol;    /* tolerance for ignoring time */
  double     other_time;  /* time not accounted for */
  int        i;           /* loop counter */

  time_tol = 0.005;

  for (i = 0; i < 2; i++) {
    if (i == 1) { /* Print to file? */
      if (ECHO < 0) {
        tempfile = outfile;
      }
      else {
        break;
      }
    }
    else { /* Print to stdout. */
      tempfile = stdout;
    }

    if (OUTPUT_TIME > 0) {
      if (total_time != 0) {
        fprintf(tempfile, "\nTotal time: %g sec.\n", total_time);
        if (input_time != 0) {
          fprintf(tempfile, "  input %g\n", input_time);
        }
        if (reformat_time != 0) {
          fprintf(tempfile, "  reformatting %g\n", reformat_time);
        }
        if (check_input_time != 0) {
          fprintf(tempfile, "  checking input %g\n", check_input_time);
        }
        if (partition_time != 0) {
          fprintf(tempfile, "  partitioning %g\n", partition_time);
        }
        if (sequence_time != 0) {
          fprintf(tempfile, "  sequencing %g\n", sequence_time);
        }
        if (kernel_time != 0) {
          fprintf(tempfile, "  kernel benchmarking %g\n", kernel_time);
        }
        if (count_time != 0) {
          fprintf(tempfile, "  evaluation %g\n", count_time);
        }
        if (print_assign_time != 0) {
          fprintf(tempfile, "  printing assignment file %g\n", print_assign_time);
        }

        if (sim_time != 0) {
          fprintf(tempfile, "  simulating %g\n", sim_time);
        }
        other_time = total_time - input_time - reformat_time - check_input_time - partition_time -
                     count_time - print_assign_time - sim_time - sequence_time - kernel_time;
        if (other_time > time_tol) {
          fprintf(tempfile, "  other %g\n", other_time);
        }
      }
    }

    if (OUTPUT_TIME > 1) {
      if (inertial_time != 0) {
        fprintf(tempfile, "\nInertial time: %g sec.\n", inertial_time);
        if (inertial_axis_time != 0) {
          fprintf(tempfile, "  inertial axis %g\n", inertial_axis_time);
        }
        if (median_time != 0) {
          fprintf(tempfile, "  median finding %g\n", median_time);
        }
        other_time = inertial_time - inertial_axis_time - median_time;
        if (other_time > time_tol) {
          fprintf(tempfile, "  other %g\n", other_time);
        }
      }

      if (kl_total_time != 0) {
        fprintf(tempfile, "\nKL time: %g sec.\n", kl_total_time);
        if (kl_init_time != 0) {
          fprintf(tempfile, "  initialization %g\n", kl_init_time);
        }
        if (nway_kl_time != 0) {
          fprintf(tempfile, "  nway refinement %g\n", nway_kl_time);
        }
        if (kl_bucket_time != 0) {
          fprintf(tempfile, "    bucket sorting %g\n", kl_bucket_time);
        }
        other_time = kl_total_time - kl_init_time - nway_kl_time;
        if (other_time > time_tol) {
          fprintf(tempfile, "  other %g\n", other_time);
        }
      }

      if (coarsen_time != 0 && rqi_symmlq_time == 0) {
        fprintf(tempfile, "\nCoarsening %g sec.\n", coarsen_time);
        if (match_time != 0) {
          fprintf(tempfile, "  maxmatch %g\n", match_time);
        }
        if (make_cgraph_time != 0) {
          fprintf(tempfile, "  makecgraph %g\n", make_cgraph_time);
        }
      }

      if (lanczos_time != 0) {
        fprintf(tempfile, "\nLanczos time: %g sec.\n", lanczos_time);
        if (splarax_time != 0) {
          fprintf(tempfile, "  matvec/solve %g\n", splarax_time);
        }
        if (blas_time != 0) {
          fprintf(tempfile, "  vector ops %g\n", blas_time);
        }
        if (evec_time != 0) {
          fprintf(tempfile, "  assemble evec %g\n", evec_time);
        }
        if (init_time != 0) {
          fprintf(tempfile, "  malloc/init/free %g\n", init_time);
        }
        if (orthog_time != 0) {
          fprintf(tempfile, "  maintain orthog %g\n", orthog_time);
        }
        if (scan_time != 0) {
          fprintf(tempfile, "  scan %g\n", scan_time);
        }
        if (debug_time != 0) {
          fprintf(tempfile, "  debug/warning/check %g\n", debug_time);
        }
        if (ql_time != 0) {
          fprintf(tempfile, "  ql/bisection %g\n", ql_time);
        }
        if (tevec_time != 0) {
          fprintf(tempfile, "  tevec %g\n", tevec_time);
        }
        if (ritz_time != 0) {
          fprintf(tempfile, "  compute ritz %g\n", ritz_time);
        }
        if (pause_time != 0) {
          fprintf(tempfile, "  pause %g\n", pause_time);
        }
        other_time = lanczos_time - splarax_time - orthog_time - ql_time - tevec_time - ritz_time -
                     evec_time - blas_time - init_time - scan_time - debug_time - pause_time;
        if (other_time > time_tol && other_time != lanczos_time) {
          fprintf(tempfile, "  other %g\n", other_time);
        }
      }

      if (rqi_symmlq_time != 0) {
        fprintf(tempfile, "\nRQI/Symmlq time: %g sec.\n", rqi_symmlq_time);
        if (coarsen_time != 0) {
          fprintf(tempfile, "  coarsening %g\n", coarsen_time);
        }
        if (match_time != 0) {
          fprintf(tempfile, "    maxmatch %g\n", match_time);
        }
        if (make_cgraph_time != 0) {
          fprintf(tempfile, "    makecgraph %g\n", make_cgraph_time);
        }
        if (refine_time != 0) {
          fprintf(tempfile, "  refinement %g\n", refine_time);
        }
        if (lanczos_time != 0) {
          fprintf(tempfile, "  lanczos %g\n", lanczos_time);
        }
        other_time = rqi_symmlq_time - coarsen_time - refine_time - lanczos_time;
        if (other_time > time_tol) {
          fprintf(tempfile, "  other %g\n", other_time);
        }
      }
    }
  }
}

void clear_timing(void)
{
  start_time        = -1;
  total_time        = 0;
  input_time        = 0;
  partition_time    = 0;
  sequence_time     = 0;
  kernel_time       = 0;
  reformat_time     = 0;
  check_input_time  = 0;
  count_time        = 0;
  print_assign_time = 0;

  coarsen_time     = 0;
  match_time       = 0;
  make_cgraph_time = 0;

  lanczos_time = 0;
  splarax_time = 0;
  orthog_time  = 0;
  ql_time      = 0;
  tevec_time   = 0;
  ritz_time    = 0;
  evec_time    = 0;
  blas_time    = 0;
  init_time    = 0;
  scan_time    = 0;
  debug_time   = 0;
  pause_time   = 0;

  rqi_symmlq_time = 0;
  refine_time     = 0;

  kl_total_time  = 0;
  kl_init_time   = 0;
  nway_kl_time   = 0;
  kl_bucket_time = 0;

  inertial_time      = 0;
  inertial_axis_time = 0;
  median_time        = 0;

  sim_time = 0;
}