Comparable Routines

Comparable Routines

Table B-1 lists all the PVM routines (showing both C and Fortran names) and the corresponding MPI routines. As can be seen, most PVM routines have direct MPI counterparts. Of the remaining routines, many can simply be removed owing to changes in initial environment setup between PVM and MPI. These are marked by an asterisk (*) in the MPI column, and also include utility routines and routines that can be easily implemented at the application level (for example, pvm_mcast() and pvm_trecv()).

Routines that have a conceptual counterpart in MPI but which are not directly translatable to a single MPI call are listed with a phrase such as "communicators." Finally, nonportable routines are noted in the MPI column. Most of these nonportable PVM routines do not have a Fortran counterpart, which is also noted in the PVM column.

Note that this table does not exhaustively cover all aspects of PVM routines. For instance, it does not mention the various options of PVM calls. Also, there are some PVM routines that do have MPI counterparts, but are needed in only special cases, such as pvm_initsend() and MPI_Send_init(). Some routines, such as pvm_bufinfo() and MPI_Get_count(), have more than one corresponding call in MPI; only one is listed in the table.

Corresponding PVM and MPI Routines
PVM Routine (C/Fortran) MPI Routine (C/Fortran)
pvm_addhosts/pvmfaddhost *
pvm_barrier/pvmfbarrier MPI_Barrier/MPI_BARRIER
pvm_bcast/pvmfbcast MPI_Bcast/MPI_BCAST
pvm_bufinfo/pvmfbufinfo MPI_Get_count/MPI_GET_COUNT
pvm_catchout/pvmfcatchout *
pvm_config/pvmfconfig *
pvm_delhosts/pvmfdelhost *
pvm_exit/pvmfexit MPI_Finalize/MPI_FINALIZE
pvm_freebuf/pvmffreebuf MPI_Buffer_detach/MPI_BUFFER_DETACH
pvm_gather/pvmfgather MPI_Gather/MPI_GATHER
pvm_getinst/pvmfgetinst MPI_Group_rank/MPI_GROUP_RANK
pvm_getopt/pvmfgetopt *
pvm_getrbuf/pvmfgetrbuf Communicators
pvm_getsbuf/pvmfgetsbuf Communicators
pvm_gettid/pvmfgettid *
pvm_gsize/pvmfgsize MPI_Group_size/MPI_GROUP_SIZE
pvm_halt/pvmfhalt *
pvm_hostsync/pvmfhostsync MPI_Wtime/MPI_WTIME
pvm_initsend/pvmfinitsend MPI_Send_init/MPI_SEND_INIT
pvm_joingrup/pvmfjoingroup MPI_Comm_group/MPI_COMM_GROUP
pvm_kill/pvmfkill PVM routine is nonportable
pvm_lvgroup/pvmflvgroup MPI_Group_free/MPI_GROUP_FREE
pvm_mcast/pvmfmcast *
pvm_mkbuf/pvmfmkbuf MPI_Buffer_attach/MPI_BUFFER_ATTACH
pvm_mstat/pvmfmstat *
pvm_mytid/pvmfmytid MPI_Init/MPI_INIT followed by MPI_Comm_rank/MPI_COMM_RANK
pvm_notify/pvmfnotify PVM routine is nonportable
pvm_nrecv/pvmfnrecv MPI_Irecv/MPI_IRECV
pvm_pk*/pvmfpack MPI_Pack/MPI_PACK
pvm_parent/pvmfparent *
pvm_perror/pvmfperror MPI_Error_string/MPI_ERROR_STRING
pvm_precv/pvmfprecv MPI_Recv/MPI_RECV
pvm_probe/pvmfprobe MPI_Iprobe/MPI_IPROBE
pvm_psend/pvmfpsend MPI_Bsend/MPI_BSEND
pvm_pstat/pvmfpstat *
pvm_recv/pvmfrecv MPI_Recv/MPI_RECV
pvm_recvf/no Fortran counterpart PVM routine is nonportable
pvm_reduce/pvmfreduce MPI_Reduce/MPI_REDUCE
pvm_reg_hoster/no Fortran counterpart PVM routine is nonportable
pvm_reg_rm/no Fortran counterpart PVM routine is nonportable
pvm_reg_tasker/no Fortran counterpart PVM routine is nonportable
pvm_scatter/pvmfscatter MPI_Scatter/MPI_SCATTER
pvm_send/pvmfsend MPI_Send/MPI_SEND
pvm_sendsig/pvmfsendsig PVM routine is nonportable
pvm_setopt/pvmfsetopt *
pvm_setrbuf/pvmfsetrbuf Communicators
pvm_setsbuf/pvmfsetsbuf Communicators
pvm_spawn/pvmfspawn *
pvm_tasks/pvmftasks *
pvm_tidtohost/pvmftidtohost *
pvm_trecv/pvmftrecv *
pvm_upk*/pvmfunpack MPI_Unpack/MPI_UNPACK

Corresponding PVM and MPI Routines
PVM Routine (C/Fortran)	MPI Routine (C/Fortran)
pvm_addhosts/pvmfaddhost	*
pvm_barrier/pvmfbarrier	MPI_Barrier/MPI_BARRIER
pvm_bcast/pvmfbcast	MPI_Bcast/MPI_BCAST
pvm_bufinfo/pvmfbufinfo	MPI_Get_count/MPI_GET_COUNT
pvm_catchout/pvmfcatchout	*
pvm_config/pvmfconfig	*
pvm_delhosts/pvmfdelhost	*
pvm_exit/pvmfexit	MPI_Finalize/MPI_FINALIZE
pvm_freebuf/pvmffreebuf	MPI_Buffer_detach/MPI_BUFFER_DETACH
pvm_gather/pvmfgather	MPI_Gather/MPI_GATHER
pvm_getinst/pvmfgetinst	MPI_Group_rank/MPI_GROUP_RANK
pvm_getopt/pvmfgetopt	*
pvm_getrbuf/pvmfgetrbuf	Communicators
pvm_getsbuf/pvmfgetsbuf	Communicators
pvm_gettid/pvmfgettid	*
pvm_gsize/pvmfgsize	MPI_Group_size/MPI_GROUP_SIZE
pvm_halt/pvmfhalt	*
pvm_hostsync/pvmfhostsync	MPI_Wtime/MPI_WTIME
pvm_initsend/pvmfinitsend	MPI_Send_init/MPI_SEND_INIT
pvm_joingrup/pvmfjoingroup	MPI_Comm_group/MPI_COMM_GROUP
pvm_kill/pvmfkill	PVM routine is nonportable
pvm_lvgroup/pvmflvgroup	MPI_Group_free/MPI_GROUP_FREE
pvm_mcast/pvmfmcast	*
pvm_mkbuf/pvmfmkbuf	MPI_Buffer_attach/MPI_BUFFER_ATTACH
pvm_mstat/pvmfmstat	*
pvm_mytid/pvmfmytid	MPI_Init/MPI_INIT followed by MPI_Comm_rank/MPI_COMM_RANK
pvm_notify/pvmfnotify	PVM routine is nonportable
pvm_nrecv/pvmfnrecv	MPI_Irecv/MPI_IRECV
pvm_pk/pvmfpack*	MPI_Pack/MPI_PACK
pvm_parent/pvmfparent	*
pvm_perror/pvmfperror	MPI_Error_string/MPI_ERROR_STRING
pvm_precv/pvmfprecv	MPI_Recv/MPI_RECV
pvm_probe/pvmfprobe	MPI_Iprobe/MPI_IPROBE
pvm_psend/pvmfpsend	MPI_Bsend/MPI_BSEND
pvm_pstat/pvmfpstat	*
pvm_recv/pvmfrecv	MPI_Recv/MPI_RECV
pvm_recvf/no Fortran counterpart	PVM routine is nonportable
pvm_reduce/pvmfreduce	MPI_Reduce/MPI_REDUCE
pvm_reg_hoster/no Fortran counterpart	PVM routine is nonportable
pvm_reg_rm/no Fortran counterpart	PVM routine is nonportable
pvm_reg_tasker/no Fortran counterpart	PVM routine is nonportable
pvm_scatter/pvmfscatter	MPI_Scatter/MPI_SCATTER
pvm_send/pvmfsend	MPI_Send/MPI_SEND
pvm_sendsig/pvmfsendsig	PVM routine is nonportable
pvm_setopt/pvmfsetopt	*
pvm_setrbuf/pvmfsetrbuf	Communicators
pvm_setsbuf/pvmfsetsbuf	Communicators
pvm_spawn/pvmfspawn	*
pvm_tasks/pvmftasks	*
pvm_tidtohost/pvmftidtohost	*
pvm_trecv/pvmftrecv	*
pvm_upk/pvmfunpack*	MPI_Unpack/MPI_UNPACK