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#include <assert.h>
#include <stdlib.h>
#include "cctk.h"
#include "cctk_Parameters.h"
#include "cctk_Termination.h"
// IRIX wants this before <time.h>
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# if HAVE_SYS_TIME_H
# include <sys/time.h>
# elif HAVE_TIME_H
# include <time.h>
# endif
#endif
#if HAVE_UNISTD_H
# include <unistd.h>
#endif
#include "dist.hh"
#include "th.hh"
#include "carpet.hh"
extern "C" {
static const char* rcsid = "$Header: /home/eschnett/C/carpet/Carpet/Carpet/Carpet/src/Evolve.cc,v 1.31 2004/01/25 14:57:27 schnetter Exp $";
CCTK_FILEVERSION(Carpet_Carpet_Evolve_cc);
}
namespace Carpet {
using namespace std;
static bool do_terminate (const cGH *cgh,
const CCTK_REAL time, const int iteration)
{
DECLARE_CCTK_PARAMETERS;
bool term;
// Early shortcut
if (terminate_next || CCTK_TerminationReached(cgh)) {
term = true;
} else {
const bool term_iter = iteration >= cctk_itlast;
const bool term_time = ((cctk_initial_time < cctk_final_time
? time >= cctk_final_time
: time <= cctk_final_time)
&& iteration % maxreflevelfact == 0);
#ifdef HAVE_TIME_GETTIMEOFDAY
// get the current time
struct timeval tv;
gettimeofday (&tv, 0);
const double thetime = tv.tv_sec + tv.tv_usec / 1e6;
static bool firsttime = true;
static double initial_runtime;
if (firsttime) {
firsttime = false;
initial_runtime = thetime;
}
const double runtime = thetime - initial_runtime;
const bool term_runtime = (max_runtime > 0
&& runtime >= 60.0 * max_runtime);
#else
const bool term_runtime = false;
#endif
if (CCTK_Equals(terminate, "never")) {
term = false;
} else if (CCTK_Equals(terminate, "iteration")) {
term = term_iter;
} else if (CCTK_Equals(terminate, "time")) {
term = term_time;
} else if (CCTK_Equals(terminate, "runtime")) {
term = term_runtime;
} else if (CCTK_Equals(terminate, "any")) {
term = term_iter || term_time || term_runtime;
} else if (CCTK_Equals(terminate, "all")) {
term = term_iter && term_time && term_runtime;
} else if (CCTK_Equals(terminate, "either")) {
term = term_iter || term_time;
} else if (CCTK_Equals(terminate, "both")) {
term = term_iter && term_time;
} else {
assert (0);
}
}
{
int local, global;
local = term;
MPI_Allreduce (&local, &global, 1, MPI_INT, MPI_LOR, dist::comm);
term = global;
}
return term;
}
int Evolve (tFleshConfig* fc)
{
DECLARE_CCTK_PARAMETERS;
Waypoint ("Starting evolution loop");
const int convlev = 0;
cGH* cgh = fc->GH[convlev];
// Main loop
while (! do_terminate(cgh, cgh->cctk_time, cgh->cctk_iteration)) {
// Advance time
++cgh->cctk_iteration;
global_time += delta_time / maxreflevelfact;
cgh->cctk_time = global_time;
Waypoint ("Evolving iteration %d at t=%g",
cgh->cctk_iteration, (double)cgh->cctk_time);
for (int rl=0; rl<reflevels; ++rl) {
// Regrid
Checkpoint ("Regrid");
Regrid (cgh, rl, rl+1, true);
BEGIN_MGLEVEL_LOOP(cgh) {
enter_level_mode (cgh, rl);
const int do_every = mglevelfact * (maxreflevelfact/reflevelfact);
if ((cgh->cctk_iteration-1) % do_every == 0) {
do_global_mode = reflevel==0;
do_meta_mode = do_global_mode && mglevel==mglevels-1;
// Advance times
for (int m=0; m<maps; ++m) {
vtt[m]->advance_time (reflevel, mglevel);
}
cgh->cctk_time = (global_time
- delta_time * mglevelfact / maxreflevelfact
+ delta_time * mglevelfact / reflevelfact);
CycleTimeLevels (cgh);
Checkpoint ("Evolution I at iteration %d time %g%s%s",
cgh->cctk_iteration, (double)cgh->cctk_time,
(do_global_mode ? " (global)" : ""),
(do_meta_mode ? " (meta)" : ""));
// Checking
CalculateChecksums (cgh, allbutcurrenttime);
Poison (cgh, currenttimebutnotifonly);
// Evolve
Checkpoint ("Scheduling PRESTEP");
CCTK_ScheduleTraverse ("CCTK_PRESTEP", cgh, CallFunction);
Checkpoint ("Scheduling EVOL");
CCTK_ScheduleTraverse ("CCTK_EVOL", cgh, CallFunction);
// Checking
PoisonCheck (cgh, currenttime);
} // if do_every
leave_level_mode (cgh);
} END_MGLEVEL_LOOP;
} // for rl
for (int rl=reflevels-1; rl>=0; --rl) {
BEGIN_REVERSE_MGLEVEL_LOOP(cgh) {
enter_level_mode (cgh, rl);
const int do_every = mglevelfact * (maxreflevelfact/reflevelfact);
if (cgh->cctk_iteration % do_every == 0) {
do_global_mode = reflevel==0;
do_meta_mode = do_global_mode && mglevel==mglevels-1;
Checkpoint ("Evolution II at iteration %d time %g%s%s",
cgh->cctk_iteration, (double)cgh->cctk_time,
(do_global_mode ? " (global)" : ""),
(do_meta_mode ? " (meta)" : ""));
// Restrict
Restrict (cgh);
Checkpoint ("Scheduling POSTRESTRICT");
CCTK_ScheduleTraverse ("CCTK_POSTRESTRICT", cgh, CallFunction);
Checkpoint ("Scheduling POSTSTEP");
CCTK_ScheduleTraverse ("CCTK_POSTSTEP", cgh, CallFunction);
// Checking
PoisonCheck (cgh, currenttime);
CalculateChecksums (cgh, currenttime);
// Checkpoint
Checkpoint ("Scheduling CHECKPOINT");
CCTK_ScheduleTraverse ("CCTK_CHECKPOINT", cgh, CallFunction);
// Analysis
Checkpoint ("Scheduling ANALYSIS");
CCTK_ScheduleTraverse ("CCTK_ANALYSIS", cgh, CallFunction);
// Output
Checkpoint ("OutputGH");
CCTK_OutputGH (cgh);
// Checking
CheckChecksums (cgh, alltimes);
} // if do_every
leave_level_mode (cgh);
} END_REVERSE_MGLEVEL_LOOP;
} // for rl
} // main loop
Waypoint ("Done with evolution loop");
return 0;
}
} // namespace Carpet
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