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#include <assert.h>
#include <stdlib.h>
#include "cctk.h"
#include "cctk_Parameters.h"
#include "cctk_Termination.h"
#ifdef HAVE_TIME_GETTIMEOFDAY
# ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
# endif
# 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 1.28 2003/08/10 21:59:51 schnetter Exp $";
CCTK_FILEVERSION(Carpet_Carpet_Evolve_cc);
}
namespace Carpet {
using namespace std;
static double initial_time;
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);
double runtime;
#ifdef HAVE_TIME_GETTIMEOFDAY
// get the current time
struct timeval tv;
gettimeofday (&tv, 0);
runtime = (tv.tv_sec + tv.tv_usec / 1e6) - initial_time;
#else
runtime = 0;
#endif
const bool term_runtime = (max_runtime > 0
&& runtime >= 60.0 * max_runtime);
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 Evolve...");
const int convlev = 0;
cGH* cgh = fc->GH[convlev];
#ifdef HAVE_TIME_GETTIMEOFDAY
// get the starting time
struct timeval tv;
gettimeofday (&tv, 0);
initial_time = tv.tv_sec + tv.tv_usec / 1e6;
#else
initial_time = 0;
#endif
int next_global_mode_iter_loop1 = 0;
int next_global_mode_iter_loop2 = 0;
int next_global_mode_iter_loop3 = 0;
// Main loop
while (! do_terminate(cgh, refleveltimes[0], cgh->cctk_iteration)) {
// Advance time
++cgh->cctk_iteration;
Waypoint ("Evolving iteration %d...", cgh->cctk_iteration);
BEGIN_REFLEVEL_LOOP(cgh) {
const int do_every = maxreflevelfact/reflevelfact;
if ((cgh->cctk_iteration-1) % do_every == 0) {
BEGIN_MGLEVEL_LOOP(cgh) {
const int do_every = mglevelfact * maxreflevelfact/reflevelfact;
if ((cgh->cctk_iteration-1) % do_every == 0) {
do_global_mode
= cgh->cctk_iteration >= next_global_mode_iter_loop1;
next_global_mode_iter_loop1 = cgh->cctk_iteration + 1;
// Advance level times
tt->advance_time (reflevel, mglevel);
cgh->cctk_time = (cctk_initial_time
+ (tt->time (0, reflevel, mglevel)
* cgh->cctk_delta_time));
Waypoint ("%*sCurrent time is %g, delta is %g%s", 2*reflevel, "",
cgh->cctk_time,
cgh->cctk_delta_time / cgh->cctk_timefac,
do_global_mode ? " (global time)" : "");
// Cycle time levels
CycleTimeLevels (cgh);
// Checking
CalculateChecksums (cgh, allbutcurrenttime);
Poison (cgh, currenttimebutnotifonly);
// Evolve
Waypoint ("%*sScheduling PRESTEP", 2*reflevel, "");
CCTK_ScheduleTraverse ("CCTK_PRESTEP", cgh, CallFunction);
Waypoint ("%*sScheduling EVOL", 2*reflevel, "");
CCTK_ScheduleTraverse ("CCTK_EVOL", cgh, CallFunction);
Waypoint ("%*sScheduling POSTSTEP", 2*reflevel, "");
CCTK_ScheduleTraverse ("CCTK_POSTSTEP", cgh, CallFunction);
// Checking
PoisonCheck (cgh, currenttime);
}
} END_MGLEVEL_LOOP;
// Regrid
Waypoint ("%*sRegrid", 2*reflevel, "");
Regrid (cgh);
}
} END_REFLEVEL_LOOP;
BEGIN_REVERSE_REFLEVEL_LOOP(cgh) {
const int do_every = maxreflevelfact/reflevelfact;
if (cgh->cctk_iteration % do_every == 0) {
BEGIN_MGLEVEL_LOOP(cgh) {
const int do_every = mglevelfact * maxreflevelfact/reflevelfact;
if (cgh->cctk_iteration % do_every == 0) {
do_global_mode
= cgh->cctk_iteration >= next_global_mode_iter_loop2;
next_global_mode_iter_loop2 = cgh->cctk_iteration + 1;
// Restrict
Waypoint ("%*sCurrent time is %g, delta is %g%s", 2*reflevel, "",
cgh->cctk_time,
cgh->cctk_delta_time / cgh->cctk_timefac,
do_global_mode ? " (global time)" : "");
Restrict (cgh);
Waypoint ("%*sScheduling PostRestrict", 2*reflevel, "");
CCTK_ScheduleTraverse ("PostRestrict", cgh, CallFunction);
// Checking
CalculateChecksums (cgh, currenttime);
}
} END_MGLEVEL_LOOP;
}
} END_REVERSE_REFLEVEL_LOOP;
BEGIN_REFLEVEL_LOOP(cgh) {
const int do_every = maxreflevelfact/reflevelfact;
if (cgh->cctk_iteration % do_every == 0) {
BEGIN_MGLEVEL_LOOP(cgh) {
const int do_every = mglevelfact * maxreflevelfact/reflevelfact;
if (cgh->cctk_iteration % do_every == 0) {
do_global_mode
= cgh->cctk_iteration >= next_global_mode_iter_loop3;
next_global_mode_iter_loop3 = cgh->cctk_iteration + 1;
Waypoint ("%*sCurrent time is %g, delta is %g%s", 2*reflevel, "",
cgh->cctk_time,
cgh->cctk_delta_time / cgh->cctk_timefac,
do_global_mode ? " (global time)" : "");
// Checkpoint
Waypoint ("%*sScheduling CHECKPOINT", 2*reflevel, "");
CCTK_ScheduleTraverse ("CCTK_CHECKPOINT", cgh, CallFunction);
// Analysis
Waypoint ("%*sScheduling ANALYSIS", 2*reflevel, "");
CCTK_ScheduleTraverse ("CCTK_ANALYSIS", cgh, CallFunction);
// Output
Waypoint ("%*sOutputGH", 2*reflevel, "");
CCTK_OutputGH (cgh);
// Checking
CheckChecksums (cgh, alltimes);
}
} END_MGLEVEL_LOOP;
}
} END_REFLEVEL_LOOP;
} // main loop
Waypoint ("done with Evolve.");
return 0;
}
} // namespace Carpet
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