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git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@4795 f3b2605a-c512-4ea7-a41b-209d697bcdaa

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sjplimp
2010-09-15 22:16:20 +00:00
parent 1d3b37782f
commit ded8b22c19
19 changed files with 909 additions and 747 deletions
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61
src/irregular.h
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@ -20,21 +20,45 @@ namespace LAMMPS_NS {
class Irregular : protected Pointers {
public:
struct PlanAtom { // plan for irregular communication of atoms
Irregular(class LAMMPS *);
~Irregular();
void migrate_atoms();
int create_data(int, int *);
void exchange_data(char *, int, char *);
void destroy_data();
double memory_usage();
private:
int me,nprocs;
int triclinic;
int map_style;
int *procgrid;
int ***grid2proc;
int maxsend,maxrecv; // size of buffers in # of doubles
double *buf_send,*buf_recv;
// plan for irregular communication of atoms
// no params refer to atoms copied to self
struct PlanAtom {
int nsend; // # of messages to send
int nrecv; // # of messages to recv
int sendmax; // # of doubles in largest send message
int *proc_send; // procs to send to
int *length_send; // # of doubles to send to each proc
int *num_send; // # of datums to send to each proc
int *index_send; // list of which datums to send to each proc
int *offset_send; // where each datum starts in send buffer
int *num_send; // # of atoms to send to each proc
int *index_send; // list of which atoms to send to each proc
int *offset_send; // where each atom starts in send buffer
int *proc_recv; // procs to recv from
int *length_recv; // # of doubles to recv from each proc
MPI_Request *request; // MPI requests for posted recvs
MPI_Status *status; // MPI statuses for WaitAll
};
// plan for irregular communication of datums
// only 2 self params refer to atoms copied to self
struct PlanData { // plan for irregular communication of data
int nsend; // # of messages to send
int nrecv; // # of messages to recv
@ -43,32 +67,19 @@ class Irregular : protected Pointers {
int *num_send; // # of datums to send to each proc
int *index_send; // list of which datums to send to each proc
int *proc_recv; // procs to recv from
int *num_recv; // # of doubles to recv from each proc
int num_self;
int *index_self;
int *num_recv; // # of datums to recv from each proc
int num_self; // # of datums to copy to self
int *index_self; // list of which datums to copy to self
MPI_Request *request; // MPI requests for posted recvs
MPI_Status *status; // MPI statuses for WaitAll
};
Irregular(class LAMMPS *);
~Irregular();
void migrate_atoms();
struct PlanData *create_data(int, int *, int *);
void exchange_data(PlanData *, char *, int, char *);
void destroy_data(PlanData *);
PlanAtom *aplan;
PlanData *dplan;
private:
int me,nprocs;
int triclinic;
int map_style;
int *procgrid;
int ***grid2proc;
int maxsend,maxrecv;
double *buf_send,*buf_recv;
struct PlanAtom *create_atom(int, int *, int *, int *);
void exchange_atom(PlanAtom *, double *, int *, double *);
void destroy_atom(PlanAtom *);
int create_atom(int, int *, int *);
void exchange_atom(double *, int *, double *);
void destroy_atom();
int coord2proc(double *);
void grow_send(int,int); // reallocate send buffer