unsigned int Ioss::ParallelUtils::global_minmax(unsigned int local_minmax, Ioss::ParallelUtils::MinMax which) const
{
unsigned int minmax = local_minmax;
#ifdef HAVE_MPI
if (parallel_size() > 1) {
if (Ioss::SerializeIO::isEnabled() && Ioss::SerializeIO::inBarrier()) {
std::ostringstream errmsg;
errmsg << "Attempting mpi while in barrier owned by " << Ioss::SerializeIO::getOwner();
IOSS_ERROR(errmsg);
}
static unsigned int inbuf[1], outbuf[1];
inbuf[0] = local_minmax;
MPI_Op oper;
if (which == DO_MAX)
oper = MPI_MAX;
else
oper = MPI_MIN;
const int success = MPI_Allreduce((void*)&inbuf[0], &outbuf[0], 1,
MPI_UNSIGNED, oper, communicator_);
if (success != MPI_SUCCESS) {
std::ostringstream errmsg;
errmsg << "Ioss::ParallelUtils::global_minmax - MPI_Allreduce failed";
IOSS_ERROR(errmsg);
}
minmax = outbuf[0];
}
#endif
return minmax;
}
void Ioss::ParallelUtils::global_array_minmax(double *local_minmax, size_t count, Ioss::ParallelUtils::MinMax which) const
{
#ifdef HAVE_MPI
if (parallel_size() > 1 && count > 0) {
if (Ioss::SerializeIO::isEnabled() && Ioss::SerializeIO::inBarrier()) {
std::ostringstream errmsg;
errmsg << "Attempting mpi while in barrier owned by " << Ioss::SerializeIO::getOwner();
IOSS_ERROR(errmsg);
}
std::vector<double> maxout(count);
MPI_Op oper;
if (which == DO_MAX)
oper = MPI_MAX;
else
oper = MPI_MIN;
const int success = MPI_Allreduce((void*)&local_minmax[0], &maxout[0],
static_cast<int>(count),
MPI_DOUBLE, oper, communicator_);
if (success != MPI_SUCCESS) {
std::ostringstream errmsg;
errmsg << "Ioss::ParallelUtils::global_array_minmax - MPI_Allreduce failed";
IOSS_ERROR(errmsg);
}
// Now copy back into passed in array...
for (size_t i=0; i < count; i++) {
local_minmax[i] = maxout[i];
}
}
#endif
}
void Ioss::ParallelUtils::global_count(const Int64Vector &local_counts, Int64Vector &global_counts) const
{
// Vector 'local_counts' contains the number of objects
// local to this processor. On exit, global_counts
// contains the total number of objects on all processors.
// Assumes that ordering is the same on all processors
global_counts.resize(local_counts.size());
#ifdef HAVE_MPI
if (local_counts.size() > 0 && parallel_size() > 1) {
if (Ioss::SerializeIO::isEnabled() && Ioss::SerializeIO::inBarrier()) {
std::ostringstream errmsg;
errmsg << "Attempting mpi while in barrier owned by " << Ioss::SerializeIO::getOwner();
IOSS_ERROR(errmsg);
}
const int success = MPI_Allreduce((void*)&local_counts[0], &global_counts[0],
static_cast<int>(local_counts.size()),
MPI_LONG_LONG_INT, MPI_SUM, communicator_);
if (success != MPI_SUCCESS) {
std::ostringstream errmsg;
errmsg << "Ioss::ParallelUtils::global_count - MPI_Allreduce failed";
IOSS_ERROR(errmsg);
}
} else {
// Serial run, just copy local to global...
std::copy(local_counts.begin(), local_counts.end(), global_counts.begin());
}
#else
std::copy(local_counts.begin(), local_counts.end(), global_counts.begin());
#endif
}
void Ioss::ParallelUtils::attribute_reduction( const int length , char buffer[]) const
{
#ifdef HAVE_MPI
if ( 1 < parallel_size() ) {
assert( sizeof(char) == 1 );
char * const recv_buf = new char[ length ];
std::memset( recv_buf , 0 , length );
const int success =
MPI_Allreduce( buffer , recv_buf , length , MPI_BYTE , MPI_BOR , communicator_);
if ( MPI_SUCCESS != success ) {
std::ostringstream errmsg;
errmsg << "Ioss::ParallelUtils::attribute_reduction - MPI_Allreduce failed";
IOSS_ERROR(errmsg);
}
std::memcpy( buffer , recv_buf , length );
delete[] recv_buf ;
}
#endif
}
bool BulkData::modification_begin()
{
Trace_("stk_classic::mesh::BulkData::modification_begin");
parallel_machine_barrier( m_parallel_machine );
ThrowRequireMsg( m_mesh_finalized == false, "Unable to modifiy, BulkData has been finalized.");
if ( m_sync_state == MODIFIABLE && m_mesh_finalized == false ) return false ;
if ( ! m_meta_data_verified ) {
require_metadata_committed();
if (parallel_size() > 1) {
verify_parallel_consistency( m_mesh_meta_data , m_parallel_machine );
}
m_meta_data_verified = true ;
m_bucket_repository.declare_nil_bucket();
}
else {
++m_sync_count ;
// Clear out the previous transaction information
// m_transaction_log.flush();
m_entity_repo.clean_changes();
}
m_sync_state = MODIFIABLE ;
return true ;
}
void BulkData::destroy_relation( Entity & e_from , Entity & e_to )
{
static const char method[]= "stk::mesh::BulkData::destroy_relation" ;
assert_ok_to_modify( method );
assert_valid_relation( method , *this , e_from , e_to );
//------------------------------
// When removing a relationship may need to
// remove part membership and set field relation pointer to NULL
PartVector del , keep ;
for ( PairIterRelation i = e_to.relations() ; i.first != i.second ; ++(i.first) ) {
if ( !( i.first->entity() == & e_from ) &&
( e_to.entity_rank() < i.first->entity_rank() ) )
{
induced_part_membership( * i.first->entity(), del, e_to.entity_rank(),
i.first->identifier(), keep );
}
}
for ( PairIterRelation i = e_from.relations() ; i.first != i.second ; ++(i.first) ) {
if ( i.first->entity() == & e_to ) {
induced_part_membership( e_from, keep, e_to.entity_rank(),
i.first->identifier(), del );
clear_field_relations( e_from , e_to.entity_rank() ,
i.first->identifier() );
}
}
//------------------------------
// 'keep' contains the parts deduced from kept relations
// 'del' contains the parts deduced from deleted relations
// that are not in 'keep'
// Only remove these part memberships the entity is not shared.
// If the entity is shared then wait until modificaton_end_synchronize.
//------------------------------
if ( ! del.empty() && (parallel_size() < 2 || e_to.sharing().empty()) ) {
PartVector add ;
internal_change_entity_parts( e_to , add , del );
}
//delete relations from the entities
m_entity_repo.destroy_relation( e_from, e_to);
}
void Ioss::ParallelUtils::gather(int64_t my_value, std::vector<int64_t> &result) const
{
if (parallel_rank() == 0) {
result.resize(parallel_size());
}
#ifdef HAVE_MPI
if (parallel_size() > 1) {
const int success = MPI_Gather((void*)&my_value, 1, MPI_LONG_LONG_INT,
(void*)&result[0], 1, MPI_LONG_LONG_INT,
0, communicator_);
if (success != MPI_SUCCESS) {
std::ostringstream errmsg;
errmsg << "Ioss::ParallelUtils::gather - MPI_Gather failed";
IOSS_ERROR(errmsg);
}
} else {
result[0] = my_value;
}
#else
result[0] = my_value;
#endif
}
void Ioss::ParallelUtils::gather(std::vector<int64_t> &my_values, std::vector<int64_t> &result) const
{
size_t count = my_values.size();
if (parallel_rank() == 0) {
result.resize(count * parallel_size());
}
#ifdef HAVE_MPI
if (parallel_size() > 1) {
const int success = MPI_Gather((void*)TOPTR(my_values), count, MPI_LONG_LONG_INT,
(void*)TOPTR(result), count, MPI_LONG_LONG_INT,
0, communicator_);
if (success != MPI_SUCCESS) {
std::ostringstream errmsg;
errmsg << "Ioss::ParallelUtils::gather - MPI_Gather failed";
IOSS_ERROR(errmsg);
}
} else {
std::copy(my_values.begin(), my_values.end(), result.begin());
}
#else
std::copy(my_values.begin(), my_values.end(), result.begin());
#endif
}
std::string Ioss::ParallelUtils::decode_filename(const std::string &filename, bool is_parallel) const
{
std::string decoded_filename(filename);
if (is_parallel) {
// Running in parallel, assume nemesis and decode what the filename
// should be for this processor.
int processor = parallel_rank();
int num_processors = parallel_size();
decoded_filename = Ioss::Utils::decode_filename(filename, processor, num_processors);
}
return decoded_filename;
}
void BulkData::internal_propagate_part_changes(
Entity & entity ,
const PartVector & removed )
{
const unsigned etype = entity.entity_rank();
PairIterRelation rel = entity.relations();
for ( ; ! rel.empty() ; ++rel ) {
const unsigned rel_type = rel->entity_rank();
const unsigned rel_ident = rel->identifier();
if ( rel_type < etype ) { // a 'to' entity
Entity & e_to = * rel->entity();
PartVector to_del , to_add , empty ;
// Induce part membership from this relationship to
// pick up any additions.
induced_part_membership( entity, empty,
rel_type, rel_ident, to_add );
if ( ! removed.empty() ) {
// Something was removed from the 'from' entity,
// deduce what may have to be removed from the 'to' entity.
// Deduce parts for 'e_to' from all upward relations.
// Any non-parallel part that I removed that is not deduced for
// 'e_to' must be removed from 'e_to'
for ( PairIterRelation
to_rel = e_to.relations(); ! to_rel.empty() ; ++to_rel ) {
if ( e_to.entity_rank() < to_rel->entity_rank() &&
& entity != to_rel->entity() /* Already did this entity */ ) {
// Relation from to_rel->entity() to e_to
induced_part_membership( * to_rel->entity(), empty,
e_to.entity_rank(),
to_rel->identifier(),
to_add );
}
}
for ( PartVector::const_iterator
j = removed.begin() ; j != removed.end() ; ++j ) {
if ( ! contain( to_add , **j ) ) {
induced_part_membership( **j, etype, rel_type, rel_ident, to_del );
}
}
}
if ( parallel_size() < 2 || e_to.sharing().empty() ) {
// Entirely local, ok to remove memberships now
internal_change_entity_parts( e_to , to_add , to_del );
}
else {
// Shared, do not remove memberships now.
// Wait until modification_end.
internal_change_entity_parts( e_to , to_add , empty );
}
set_field_relations( entity, e_to, rel_ident );
}
else if ( etype < rel_type ) { // a 'from' entity
Entity & e_from = * rel->entity();
set_field_relations( e_from, entity, rel_ident );
}
}
}
void BulkDataTester::check_sharing_comm_maps()
{
stk::CommSparse comm(parallel());
for(int phase = 0; phase < 2; ++phase)
{
for(stk::mesh::EntityCommListInfoVector::const_iterator i = this->my_internal_comm_list().begin(); i != this->my_internal_comm_list().end(); ++i)
{
for(stk::mesh::PairIterEntityComm ec = this->internal_entity_comm_map(i->key); !ec.empty(); ++ec)
{
int type = ec->ghost_id;
if ( type == 0 )
{
std::vector<int> sharingProcs;
this->comm_shared_procs(i->key, sharingProcs);
// pack shared info
int owner = -1;
if(bucket_ptr(i->entity) != 0)
{
owner = parallel_owner_rank(i->entity);
}
comm.send_buffer(ec->proc).pack<stk::mesh::EntityKey>(i->key).pack<int>(type).pack<int>(owner);
comm.send_buffer(ec->proc).pack<size_t>(sharingProcs.size());
for (size_t proc=0;proc<sharingProcs.size();++proc)
{
comm.send_buffer(ec->proc).pack<int>(sharingProcs[proc]);
}
}
}
}
if(phase == 0)
{
comm.allocate_buffers();
}
else
{
comm.communicate();
}
}
// unpack
std::ostringstream os;
bool anyErrors = false;
for(int i = 0; i < parallel_size(); ++i)
{
if ( i != parallel_rank() )
{
stk::mesh::EntityKey key;
int type = -1;
int from = -1;
int owner = -1;
while(comm.recv_buffer(i).remaining())
{
from = i;
comm.recv_buffer(from).unpack<stk::mesh::EntityKey>(key).unpack<int>(type).unpack<int>(owner);
size_t numSharingProcs = 0;
comm.recv_buffer(from).unpack<size_t>(numSharingProcs);
std::vector<int> sharingProcs(numSharingProcs);
for (size_t proc=0;proc<numSharingProcs;++proc)
{
comm.recv_buffer(from).unpack<int>(sharingProcs[proc]);
}
std::vector<int> localSharingProcs;
this->comm_shared_procs(key, localSharingProcs);
std::sort(localSharingProcs.begin(), localSharingProcs.end());
std::sort(sharingProcs.begin(), sharingProcs.end());
size_t maxNum = localSharingProcs.size() + sharingProcs.size();
std::vector<int> unsharedProcs(maxNum);
std::vector<int>::iterator iter = std::set_symmetric_difference( localSharingProcs.begin(), localSharingProcs.end(),
sharingProcs.begin(), sharingProcs.end(), unsharedProcs.begin());
size_t numUnshared = iter - unsharedProcs.begin();
unsharedProcs.resize(numUnshared);
int counter = 0;
{
for (size_t j=0;j<numUnshared;++j)
{
std::vector<int>::iterator localIter = std::find(sharingProcs.begin(), sharingProcs.end(), unsharedProcs[j]);
if ( localIter != sharingProcs.end() && *localIter != parallel_rank() )
{
if ( counter == 0 )
{
os << "Error in sharing between procs for entity " << key.id() << " with rank " << key.rank() << " between procs: " << this->parallel_rank() << " and " << from << std::endl;
counter++;
}
os << "\tEntity " << key << " is shared with proc " << unsharedProcs[j] << " from other proc: "
<< from << " but not from this proc: " << parallel_rank() << std::endl;
anyErrors = true;
}
localIter = std::find(localSharingProcs.begin(), localSharingProcs.end(), unsharedProcs[j]);
if ( localIter != localSharingProcs.end() && *localIter != from )
{
if ( counter == 0 )
{
os << "Error in sharing between procs for entity " << key.id() << " with rank " << key.rank() << " between procs: " << this->parallel_rank() << " and " << from << std::endl;
counter++;
}
os << "\tEntity " << key << " is shared with proc " << unsharedProcs[j] << " from this proc: "
<< parallel_rank() << " but not from other proc: " << from << std::endl;
anyErrors = true;
}
}
}
}
}
}
ThrowRequireMsg(!anyErrors, os.str());
}
