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#include <algorithm>
#include <cassert>
#include <cstdlib>
#include <cctk.h>
#include <cctk_Parameters.h>
#include <cctki_GHExtensions.h>
#include <gh.hh>
#include <carpet.hh>
#include <Timers.hh>
namespace Carpet {
using namespace std;
static void
CallScheduledFunction (char const * restrict time_and_mode,
void * function,
cFunctionData * attribute,
void * data,
Timer & user_timer);
static void
SyncGroupsInScheduleBlock (cFunctionData * attribute, cGH * cctkGH);
/// Traverse one function on all components of one refinement level
/// of one multigrid level.
int CallFunction (void * function, ///< the function to call
cFunctionData * attribute, ///< attributes of the function
void * data) ///< private data for CCTK_CallFunction
{
DECLARE_CCTK_PARAMETERS;
static Timer total_timer ("CallFunction");
static Timer user_timer ("CallFunction::thorns");
static Timer sync_timer ("CallFunction::syncs");
total_timer.start();
cGH * cctkGH = static_cast<cGH *> (data);
assert (int (not not attribute->meta) +
int (not not attribute->meta_early) +
int (not not attribute->meta_late) +
int (not not attribute->global) +
int (not not attribute->global_early) +
int (not not attribute->global_late) +
int (not not attribute->level) +
int (not not attribute->singlemap) +
int (not not attribute->local)
<= 1);
assert (not not attribute->loop_global +
not not attribute->loop_level +
not not attribute->loop_singlemap +
not not attribute->loop_local
<= 1);
if (attribute->meta or attribute->meta_early or attribute->meta_late or
is_meta_mode())
{
// Convtest operation
if ((attribute->meta and do_meta_mode) or
(attribute->meta_early and do_early_meta_mode) or
(attribute->meta_late and do_late_meta_mode) or
is_meta_mode())
{
if (attribute->loop_local) {
BEGIN_META_MODE(cctkGH) {
BEGIN_MGLEVEL_LOOP(cctkGH) {
BEGIN_REFLEVEL_LOOP(cctkGH) {
BEGIN_LOCAL_MAP_LOOP(cctkGH, CCTK_GF) {
BEGIN_LOCAL_COMPONENT_LOOP(cctkGH, CCTK_GF) {
CallScheduledFunction
("Meta time local mode",
function, attribute, data, user_timer);
} END_LOCAL_COMPONENT_LOOP;
} END_LOCAL_MAP_LOOP;
sync_timer.start();
SyncGroupsInScheduleBlock (attribute, cctkGH) ;
sync_timer.stop();
} END_REFLEVEL_LOOP;
} END_MGLEVEL_LOOP;
} END_META_MODE;
} else if (attribute->loop_singlemap) {
BEGIN_META_MODE(cctkGH) {
BEGIN_MGLEVEL_LOOP(cctkGH) {
BEGIN_REFLEVEL_LOOP(cctkGH) {
BEGIN_MAP_LOOP(cctkGH, CCTK_GF) {
CallScheduledFunction
("Meta time singlemap mode",
function, attribute, data, user_timer);
} END_MAP_LOOP;
sync_timer.start();
SyncGroupsInScheduleBlock (attribute, cctkGH) ;
sync_timer.stop();
} END_REFLEVEL_LOOP;
} END_MGLEVEL_LOOP;
} END_META_MODE;
} else if (attribute->loop_level) {
BEGIN_META_MODE(cctkGH) {
BEGIN_MGLEVEL_LOOP(cctkGH) {
BEGIN_REFLEVEL_LOOP(cctkGH) {
CallScheduledFunction
("Meta time level mode",
function, attribute, data, user_timer);
sync_timer.start();
SyncGroupsInScheduleBlock (attribute, cctkGH) ;
sync_timer.stop();
} END_REFLEVEL_LOOP;
} END_MGLEVEL_LOOP;
} END_META_MODE;
} else if (attribute->loop_global) {
BEGIN_META_MODE(cctkGH) {
BEGIN_MGLEVEL_LOOP(cctkGH) {
CallScheduledFunction
("Meta time global mode",
function, attribute, data, user_timer);
BEGIN_REFLEVEL_LOOP(cctkGH) {
sync_timer.start();
SyncGroupsInScheduleBlock (attribute, cctkGH) ;
sync_timer.stop();
} END_REFLEVEL_LOOP;
} END_MGLEVEL_LOOP;
} END_META_MODE;
} else {
BEGIN_META_MODE(cctkGH) {
CallScheduledFunction
("Meta mode",
function, attribute, data, user_timer);
BEGIN_MGLEVEL_LOOP(cctkGH) {
BEGIN_REFLEVEL_LOOP(cctkGH) {
sync_timer.start();
SyncGroupsInScheduleBlock (attribute, cctkGH) ;
sync_timer.stop();
} END_REFLEVEL_LOOP;
} END_MGLEVEL_LOOP;
} END_META_MODE;
}
}
} else if (attribute->global or attribute->global_early or
attribute->global_late or is_global_mode())
{
// Global operation: call once
if ((attribute->global and do_global_mode) or
(attribute->global_early and do_early_global_mode) or
(attribute->global_late and do_late_global_mode) or
is_global_mode())
{
if (attribute->loop_local) {
BEGIN_GLOBAL_MODE(cctkGH) {
BEGIN_REFLEVEL_LOOP(cctkGH) {
BEGIN_LOCAL_MAP_LOOP(cctkGH, CCTK_GF) {
BEGIN_LOCAL_COMPONENT_LOOP(cctkGH, CCTK_GF) {
CallScheduledFunction
("Global time local mode",
function, attribute, data, user_timer);
} END_LOCAL_COMPONENT_LOOP;
} END_LOCAL_MAP_LOOP;
sync_timer.start();
SyncGroupsInScheduleBlock (attribute, cctkGH) ;
sync_timer.stop();
} END_REFLEVEL_LOOP;
} END_GLOBAL_MODE;
} else if (attribute->loop_singlemap) {
BEGIN_GLOBAL_MODE(cctkGH) {
BEGIN_REFLEVEL_LOOP(cctkGH) {
BEGIN_MAP_LOOP(cctkGH, CCTK_GF) {
CallScheduledFunction
("Global time singlemap mode",
function, attribute, data, user_timer);
} END_MAP_LOOP;
sync_timer.start();
SyncGroupsInScheduleBlock (attribute, cctkGH) ;
sync_timer.stop();
} END_REFLEVEL_LOOP;
} END_GLOBAL_MODE;
} else if (attribute->loop_level) {
BEGIN_GLOBAL_MODE(cctkGH) {
BEGIN_REFLEVEL_LOOP(cctkGH) {
CallScheduledFunction
("Global time level mode",
function, attribute, data, user_timer);
sync_timer.start();
SyncGroupsInScheduleBlock (attribute, cctkGH) ;
sync_timer.stop();
} END_REFLEVEL_LOOP;
} END_GLOBAL_MODE;
} else {
BEGIN_GLOBAL_MODE(cctkGH) {
CallScheduledFunction
("Global mode",
function, attribute, data, user_timer);
BEGIN_REFLEVEL_LOOP(cctkGH) {
sync_timer.start();
SyncGroupsInScheduleBlock (attribute, cctkGH) ;
sync_timer.stop();
} END_REFLEVEL_LOOP;
} END_GLOBAL_MODE;
}
}
} else if (attribute->level) {
// Level operation: call once per refinement level
if (attribute->loop_local) {
BEGIN_LOCAL_MAP_LOOP(cctkGH, CCTK_GF) {
BEGIN_LOCAL_COMPONENT_LOOP(cctkGH, CCTK_GF) {
CallScheduledFunction
("Level time local mode",
function, attribute, data, user_timer);
} END_LOCAL_COMPONENT_LOOP;
} END_LOCAL_MAP_LOOP;
} else if (attribute->loop_singlemap) {
BEGIN_MAP_LOOP(cctkGH, CCTK_GF) {
CallScheduledFunction
("Level time singlemap mode",
function, attribute, data, user_timer);
} END_MAP_LOOP;
} else {
CallScheduledFunction
("Level mode",
function, attribute, data, user_timer);
}
sync_timer.start();
SyncGroupsInScheduleBlock (attribute, cctkGH) ;
sync_timer.stop();
} else if (attribute->singlemap) {
// Single map operation: call once per refinement level and map
if (attribute->loop_local) {
BEGIN_LOCAL_MAP_LOOP(cctkGH, CCTK_GF) {
BEGIN_LOCAL_COMPONENT_LOOP(cctkGH, CCTK_GF) {
CallScheduledFunction
("Singlemap time local mode",
function, attribute, data, user_timer);
} END_LOCAL_COMPONENT_LOOP;
} END_LOCAL_MAP_LOOP;
} else {
BEGIN_MAP_LOOP(cctkGH, CCTK_GF) {
CallScheduledFunction
("Singlemap mode",
function, attribute, data, user_timer);
} END_MAP_LOOP;
}
sync_timer.start();
SyncGroupsInScheduleBlock (attribute, cctkGH) ;
sync_timer.stop();
} else {
// Local operation: call once per component
BEGIN_LOCAL_MAP_LOOP(cctkGH, CCTK_GF) {
BEGIN_LOCAL_COMPONENT_LOOP(cctkGH, CCTK_GF) {
CallScheduledFunction
("Local mode",
function, attribute, data, user_timer);
} END_LOCAL_COMPONENT_LOOP;
} END_LOCAL_MAP_LOOP;
sync_timer.start();
SyncGroupsInScheduleBlock (attribute, cctkGH) ;
sync_timer.stop();
}
if (schedule_barriers) {
#if 0
static unsigned int magic = 0xe8932329UL; // a random starting value
unsigned int recv = magic;
Checkpoint ("About to Bcast %u", magic);
MPI_Bcast (& recv, 1, MPI_UNSIGNED, 0, dist::comm());
Checkpoint ("Finished Bcast");
if (recv != magic) {
CCTK_WARN (CCTK_WARN_ABORT,
"Inconsistent communication schedule: not all processes return to CallFunction at the same time");
}
++ magic;
Checkpoint ("About to Barrier");
MPI_Barrier (dist::comm());
Checkpoint ("Finished Barrier");
#endif
static int id = 513400912; // arbitrary starting value
CCTK_NamedBarrier (NULL, id++);
}
total_timer.stop();
// The return value indicates whether the grid functions have been
// synchronised.
// 0: let the flesh do the synchronisation
// 1: we did the synchronisation
return 1;
}
void
CallScheduledFunction (char const * restrict const time_and_mode,
void * const function,
cFunctionData * const attribute,
void * const data,
Timer & user_timer)
{
cGH const * const cctkGH = static_cast <cGH const *> (data);
Checkpoint ("%s call at %s to %s::%s",
time_and_mode,
attribute->where,
attribute->thorn, attribute->routine);
CallBeforeRoutines (cctkGH, function, attribute, data);
user_timer.start();
int const res = CCTK_CallFunction (function, attribute, data);
user_timer.stop();
CallAfterRoutines (cctkGH, function, attribute, data);
assert (res==0);
}
void SyncGroupsInScheduleBlock (cFunctionData* attribute, cGH* cctkGH)
{
// check if there is anything to do
if (attribute->n_SyncGroups <= 0) return;
// remove all empty groups from the list
vector<int> groups;
groups.reserve (attribute->n_SyncGroups);
for (int g = 0; g < attribute->n_SyncGroups; g++) {
const int group = attribute->SyncGroups[g];
if (CCTK_NumVarsInGroupI (group) > 0) {
groups.push_back (group);
}
}
SyncProlongateGroups (cctkGH, groups);
}
} // namespace Carpet
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