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#include <assert.h>
#include <stdlib.h>
#include <iostream>
#include "cctk.h"
#include "cctk_Parameters.h"
#include "cctki_GHExtensions.h"
#include "cctki_ScheduleBindings.h"
#include "cctki_WarnLevel.h"
#include "carpet.hh"
extern "C" {
static const char* rcsid = "$Header: /home/eschnett/C/carpet/Carpet/Carpet/Carpet/src/Initialise.cc,v 1.35 2004/01/25 14:57:27 schnetter Exp $";
CCTK_FILEVERSION(Carpet_Carpet_Initialise_cc);
}
namespace Carpet {
using namespace std;
int Initialise (tFleshConfig* fc)
{
DECLARE_CCTK_PARAMETERS;
// Initialise stuff
const int convlev = 0;
cGH* const cgh = CCTK_SetupGH (fc, convlev);
CCTKi_AddGH (fc, convlev, cgh);
// Delay checkpoint until MPI has been initialised
Waypoint ("Starting initialisation");
// Initialise stuff
cgh->cctk_iteration = 0;
global_time = cctk_initial_time;
delta_time = 1.0;
cgh->cctk_time = global_time;
cgh->cctk_delta_time = delta_time;
do_global_mode = true;
do_meta_mode = true;
// Enable storage and communtication
CCTKi_ScheduleGHInit (cgh);
// Initialise stuff
CCTKi_InitGHExtensions (cgh);
BEGIN_MGLEVEL_LOOP(cgh) {
do_global_mode = true;
do_meta_mode = mglevel==mglevels-1;
// Register coordinates
Checkpoint ("Scheduling CCTK_WRAGH");
CCTK_ScheduleTraverse ("CCTK_WRAGH", cgh, CallFunction);
// Check parameters
Checkpoint ("Scheduling PARAMCHECK");
CCTK_ScheduleTraverse ("CCTK_PARAMCHECK", cgh, CallFunction);
CCTKi_FinaliseParamWarn();
} END_MGLEVEL_LOOP;
if (fc->recovered) {
// if recovering
for (int rl=0; rl<reflevels; ++rl) {
BEGIN_MGLEVEL_LOOP(cgh) {
enter_level_mode (cgh, rl);
do_global_mode = reflevel==0;
do_meta_mode = do_global_mode && mglevel==mglevels-1;
cgh->cctk_time = global_time;
// Set up the grids
Checkpoint ("Scheduling BASEGRID");
CCTK_ScheduleTraverse ("CCTK_BASEGRID", cgh, CallFunction);
// Recover
Checkpoint ("Scheduling RECOVER_VARIABLES");
CCTK_ScheduleTraverse ("CCTK_RECOVER_VARIABLES", cgh, CallFunction);
Checkpoint ("Scheduling POST_RECOVER_VARIABLES");
CCTK_ScheduleTraverse
("CCTK_POST_RECOVER_VARIABLES", cgh, CallFunction);
leave_level_mode (cgh);
} END_MGLEVEL_LOOP;
} // for rl
} else {
// if not reconvering
for (int rl=0; rl<reflevels; ++rl) {
BEGIN_MGLEVEL_LOOP(cgh) {
enter_level_mode (cgh, rl);
do_global_mode = reflevel==0;
do_meta_mode = do_global_mode && mglevel==mglevels-1;
cgh->cctk_time = global_time;
Waypoint ("Initialisation at iteration %d time %g%s%s",
cgh->cctk_iteration, (double)cgh->cctk_time,
(do_global_mode ? " (global)" : ""),
(do_meta_mode ? " (meta)" : ""));
// Checking
Poison (cgh, alltimes);
// Set up the grids
Checkpoint ("Scheduling BASEGRID");
CCTK_ScheduleTraverse ("CCTK_BASEGRID", cgh, CallFunction);
const int num_tl = init_each_timelevel ? 3 : 1;
// Rewind
for (int m=0; m<maps; ++m) {
vtt[m]->set_delta
(reflevel, mglevel, - vtt[m]->get_delta (reflevel, mglevel));
FlipTimeLevels (cgh);
for (int tl=0; tl<num_tl; ++tl) {
vtt[m]->advance_time (reflevel, mglevel);
CycleTimeLevels (cgh);
}
vtt[m]->set_delta
(reflevel, mglevel, - vtt[m]->get_delta (reflevel, mglevel));
FlipTimeLevels (cgh);
}
const bool outer_do_global_mode = do_global_mode;
for (int tl=num_tl-1; tl>=0; --tl) {
do_global_mode = outer_do_global_mode && tl==0;
// Advance times
for (int m=0; m<maps; ++m) {
vtt[m]->advance_time (reflevel, mglevel);
}
cgh->cctk_time
= global_time - tl * delta_time * mglevelfact / reflevelfact;
CycleTimeLevels (cgh);
// Set up the initial data
Checkpoint ("Scheduling INITIAL");
CCTK_ScheduleTraverse ("CCTK_INITIAL", cgh, CallFunction);
} // for tl
do_global_mode = outer_do_global_mode;
// Checking
PoisonCheck (cgh, currenttime);
leave_level_mode (cgh);
} END_MGLEVEL_LOOP;
// Regrid
Checkpoint ("Regrid");
Regrid (cgh, rl, rl+1, prolongate_initial_data);
} // for rl
for (int rl=reflevels-1; rl>=0; --rl) {
BEGIN_REVERSE_MGLEVEL_LOOP(cgh) {
enter_level_mode (cgh, rl);
// Restrict
Restrict (cgh);
Checkpoint ("Scheduling POSTRESTRICTINITIAL");
CCTK_ScheduleTraverse
("CCTK_POSTRESTRICTINITIAL", cgh, CallFunction);
// Poststep
Checkpoint ("Scheduling POSTINITIAL");
CCTK_ScheduleTraverse ("CCTK_POSTINITIAL", cgh, CallFunction);
Checkpoint ("Scheduling POSTSTEP");
CCTK_ScheduleTraverse ("CCTK_POSTSTEP", cgh, CallFunction);
// Checking
PoisonCheck (cgh, alltimes);
CalculateChecksums (cgh, allbutcurrenttime);
leave_level_mode (cgh);
} END_REVERSE_MGLEVEL_LOOP;
} // for rl
if (init_3_timelevels) {
// Use Scott Hawley's algorithm for getting two extra
// timelevels of data
Waypoint ("Initialising three timelevels");
for (int rl=0; rl<reflevels; ++rl) {
BEGIN_MGLEVEL_LOOP(cgh) {
enter_level_mode (cgh, rl);
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 / reflevelfact;
CycleTimeLevels (cgh);
Waypoint ("Initialisation 3TL evolution I (a) (forwards) 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 forward
Checkpoint ("Scheduling PRESTEP");
CCTK_ScheduleTraverse ("CCTK_PRESTEP", cgh, CallFunction);
Checkpoint ("Scheduling EVOL");
CCTK_ScheduleTraverse ("CCTK_EVOL", cgh, CallFunction);
// Checking
PoisonCheck (cgh, currenttime);
leave_level_mode (cgh);
} END_MGLEVEL_LOOP;
} // for rl
delta_time *= -1;
for (int rl=0; rl<reflevels; ++rl) {
BEGIN_MGLEVEL_LOOP(cgh) {
enter_level_mode (cgh, rl);
do_global_mode = reflevel==0;
do_meta_mode = do_global_mode && mglevel==mglevels-1;
// Flip time levels
Waypoint ("Flipping timelevels");
FlipTimeLevels (cgh);
cgh->cctk_time
= global_time + delta_time * mglevelfact / reflevelfact;
leave_level_mode (cgh);
} END_MGLEVEL_LOOP;
} // for rl
for (int rl=0; rl<reflevels; ++rl) {
BEGIN_MGLEVEL_LOOP(cgh) {
enter_level_mode (cgh, rl);
do_global_mode = reflevel==0;
do_meta_mode = do_global_mode && mglevel==mglevels-1;
Waypoint ("Initialisation 3TL evolution I (b) (backwards) 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 backward
Checkpoint ("Scheduling PRESTEP");
CCTK_ScheduleTraverse ("CCTK_PRESTEP", cgh, CallFunction);
Checkpoint ("Scheduling EVOL");
CCTK_ScheduleTraverse ("CCTK_EVOL", cgh, CallFunction);
// Checking
PoisonCheck (cgh, alltimes);
leave_level_mode (cgh);
} END_MGLEVEL_LOOP;
} // for rl
Waypoint ("Hourglass structure in place");
// Evolve each level "backwards" one more timestep
// Starting with the finest level and proceeding to the coarsest
for (int rl=reflevels-1; rl>=0; --rl) {
BEGIN_REVERSE_MGLEVEL_LOOP(cgh) {
enter_level_mode (cgh, rl);
do_global_mode = reflevel==0;
do_meta_mode = do_global_mode && mglevel==mglevels-1;
Waypoint ("Initialisation 3TL evolution II (b) (backwards) 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, alltimes);
// Advance times
for (int m=0; m<maps; ++m) {
vtt[m]->advance_time (reflevel, mglevel);
}
cgh->cctk_time
= global_time + 2 * delta_time * mglevelfact / reflevelfact;
CycleTimeLevels (cgh);
Waypoint ("Initialisation 3TL evolution I (c) (backwards) 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 backward
Checkpoint ("Scheduling PRESTEP");
CCTK_ScheduleTraverse ("CCTK_PRESTEP", cgh, CallFunction);
Checkpoint ("Scheduling EVOL");
CCTK_ScheduleTraverse ("CCTK_EVOL", cgh, CallFunction);
Checkpoint ("Scheduling POSTSTEP");
CCTK_ScheduleTraverse ("CCTK_POSTSTEP", cgh, CallFunction);
// Checking
PoisonCheck (cgh, alltimes);
leave_level_mode (cgh);
} END_REVERSE_MGLEVEL_LOOP;
} // for rl
delta_time *= -1;
for (int rl=0; rl<reflevels; ++rl) {
BEGIN_MGLEVEL_LOOP(cgh) {
enter_level_mode (cgh, rl);
do_global_mode = reflevel==0;
do_meta_mode = do_global_mode && mglevel==mglevels-1;
// Flip time levels back
Waypoint ("Flipping timelevels back");
FlipTimeLevels (cgh);
// Invert level times back
for (int m=0; m<maps; ++m) {
vtt[m]->set_delta
(reflevel, mglevel, - vtt[m]->get_delta (reflevel, mglevel));
vtt[m]->advance_time (reflevel, mglevel);
vtt[m]->advance_time (reflevel, mglevel);
vtt[m]->set_delta
(reflevel, mglevel, - vtt[m]->get_delta (reflevel, mglevel));
}
cgh->cctk_time = global_time;
leave_level_mode (cgh);
} END_MGLEVEL_LOOP;
} // for rl
Waypoint ("Finished initialising three timelevels");
} // if init_3_timelevels
} // if not recovering
for (int rl=reflevels-1; rl>=0; --rl) {
BEGIN_REVERSE_MGLEVEL_LOOP(cgh) {
enter_level_mode (cgh, rl);
do_global_mode = reflevel==0;
do_meta_mode = do_global_mode && mglevel==mglevels-1;
Waypoint ("Initialisation II at iteration %d time %g%s%s",
cgh->cctk_iteration, (double)cgh->cctk_time,
(do_global_mode ? " (global)" : ""),
(do_meta_mode ? " (meta)" : ""));
// Checkpoint
Checkpoint ("Scheduling CPINITIAL");
CCTK_ScheduleTraverse ("CCTK_CPINITIAL", cgh, CallFunction);
// Analysis
Checkpoint ("Scheduling ANALYSIS");
CCTK_ScheduleTraverse ("CCTK_ANALYSIS", cgh, CallFunction);
// Output
Checkpoint ("OutputGH");
CCTK_OutputGH (cgh);
// Checking
PoisonCheck (cgh, alltimes);
CheckChecksums (cgh, allbutcurrenttime);
leave_level_mode (cgh);
} END_REVERSE_MGLEVEL_LOOP;
} // for rl
Waypoint ("Done with initialisation");
return 0;
}
} // namespace Carpet
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