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/*
* Copyright (c) 2004-2006 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2004-2021 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2015 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* Copyright (c) 2017 Intel, Inc. All rights reserved
* Copyright (c) 2022 IBM Corporation. All rights reserved
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#ifndef PML_CM_H
#define PML_CM_H
#ifdef HAVE_ALLOCA_H
#include <alloca.h>
#endif
#include "ompi_config.h"
#include "ompi/request/request.h"
#include "ompi/mca/pml/pml.h"
#include "ompi/mca/pml/base/base.h"
#include "ompi/datatype/ompi_datatype.h"
#include "ompi/communicator/communicator.h"
#include "ompi/request/request.h"
#include "ompi/mca/mtl/mtl.h"
#include "pml_cm_request.h"
#include "ompi/mca/pml/base/pml_base_recvreq.h"
#include "ompi/mca/mtl/mtl.h"
#include "pml_cm_recvreq.h"
#include "pml_cm_sendreq.h"
#include "ompi/message/message.h"
BEGIN_C_DECLS
struct mca_mtl_request_t;
struct ompi_pml_cm_t {
mca_pml_base_module_t super;
int free_list_num;
int free_list_max;
int free_list_inc;
};
typedef struct ompi_pml_cm_t ompi_pml_cm_t;
extern ompi_pml_cm_t ompi_pml_cm;
/* PML interface functions */
OMPI_DECLSPEC extern int mca_pml_cm_add_procs(struct ompi_proc_t **procs, size_t nprocs);
OMPI_DECLSPEC extern int mca_pml_cm_del_procs(struct ompi_proc_t **procs, size_t nprocs);
OMPI_DECLSPEC extern int mca_pml_cm_enable(bool enable);
OMPI_DECLSPEC extern int mca_pml_cm_progress(void);
OMPI_DECLSPEC extern int mca_pml_cm_add_comm(struct ompi_communicator_t* comm);
OMPI_DECLSPEC extern int mca_pml_cm_del_comm(struct ompi_communicator_t* comm);
__opal_attribute_always_inline__ static inline int
mca_pml_cm_irecv_init(void *addr,
size_t count,
ompi_datatype_t * datatype,
int src,
int tag,
struct ompi_communicator_t *comm,
struct ompi_request_t **request)
{
mca_pml_cm_hvy_recv_request_t *recvreq;
uint32_t flags = 0;
#if OPAL_ENABLE_HETEROGENEOUS_SUPPORT
ompi_proc_t* ompi_proc;
#endif
MCA_PML_CM_HVY_RECV_REQUEST_ALLOC(recvreq);
if( OPAL_UNLIKELY(NULL == recvreq) ) return OMPI_ERR_OUT_OF_RESOURCE;
MCA_PML_CM_HVY_RECV_REQUEST_INIT(recvreq, ompi_proc, comm, tag, src,
datatype, addr, count, flags, true);
*request = (ompi_request_t*) recvreq;
return OMPI_SUCCESS;
}
__opal_attribute_always_inline__ static inline int
mca_pml_cm_irecv(void *addr,
size_t count,
ompi_datatype_t * datatype,
int src,
int tag,
struct ompi_communicator_t *comm,
struct ompi_request_t **request)
{
int ret;
uint32_t flags = 0;
mca_pml_cm_thin_recv_request_t *recvreq;
#if OPAL_ENABLE_HETEROGENEOUS_SUPPORT
ompi_proc_t* ompi_proc = NULL;
#endif
MCA_PML_CM_THIN_RECV_REQUEST_ALLOC(recvreq);
if( OPAL_UNLIKELY(NULL == recvreq) ) return OMPI_ERR_OUT_OF_RESOURCE;
MCA_PML_CM_THIN_RECV_REQUEST_INIT(recvreq,
ompi_proc,
comm,
src,
datatype,
addr,
count,
flags);
MCA_PML_CM_THIN_RECV_REQUEST_START(recvreq, comm, tag, src, ret);
if( OPAL_LIKELY(OMPI_SUCCESS == ret) ) *request = (ompi_request_t*) recvreq;
return ret;
}
__opal_attribute_always_inline__ static inline void
mca_pml_cm_recv_fast_completion(struct mca_mtl_request_t *mtl_request)
{
// Do nothing!
ompi_request_complete(mtl_request->ompi_req, true);
return;
}
__opal_attribute_always_inline__ static inline int
mca_pml_cm_recv(void *addr,
size_t count,
ompi_datatype_t * datatype,
int src,
int tag,
struct ompi_communicator_t *comm,
ompi_status_public_t * status)
{
int ret;
uint32_t flags = 0;
#if OPAL_ENABLE_HETEROGENEOUS_SUPPORT
ompi_proc_t *ompi_proc;
#endif
opal_convertor_t convertor;
mca_pml_cm_request_t req;
mca_mtl_request_t *req_mtl =
alloca(sizeof(mca_mtl_request_t) + ompi_mtl->mtl_request_size);
OBJ_CONSTRUCT(&convertor, opal_convertor_t);
req_mtl->ompi_req = &req.req_ompi;
req_mtl->completion_callback = mca_pml_cm_recv_fast_completion;
req.req_pml_type = MCA_PML_CM_REQUEST_RECV_THIN;
req.req_free_called = false;
req.req_ompi.req_complete = false;
req.req_ompi.req_complete_cb = NULL;
req.req_ompi.req_state = OMPI_REQUEST_ACTIVE;
req.req_ompi.req_status.MPI_TAG = OMPI_ANY_TAG;
req.req_ompi.req_status.MPI_ERROR = OMPI_SUCCESS;
req.req_ompi.req_status._cancelled = 0;
#if OPAL_ENABLE_HETEROGENEOUS_SUPPORT
if( MPI_ANY_SOURCE == src ) {
ompi_proc = ompi_proc_local_proc;
} else {
ompi_proc = ompi_comm_peer_lookup( comm, src );
}
MCA_PML_CM_SWITCH_ACCELERATOR_CONVERTOR_OFF(flags, datatype, count);
opal_convertor_copy_and_prepare_for_recv(
ompi_proc->super.proc_convertor,
&(datatype->super),
count,
addr,
flags,
&convertor );
#else
MCA_PML_CM_SWITCH_ACCELERATOR_CONVERTOR_OFF(flags, datatype, count);
opal_convertor_copy_and_prepare_for_recv(
ompi_mpi_local_convertor,
&(datatype->super),
count,
addr,
flags,
&convertor );
#endif
ret = OMPI_MTL_CALL(irecv(ompi_mtl,
comm,
src,
tag,
&convertor,
req_mtl));
if( OPAL_UNLIKELY(OMPI_SUCCESS != ret) ) {
OBJ_DESTRUCT(&convertor);
return ret;
}
ompi_request_wait_completion(&req.req_ompi);
if (MPI_STATUS_IGNORE != status) {
OMPI_COPY_STATUS(status, req.req_ompi.req_status, false);
}
ret = req.req_ompi.req_status.MPI_ERROR;
OBJ_DESTRUCT(&convertor);
return ret;
}
__opal_attribute_always_inline__ static inline int
mca_pml_cm_isend_init(const void* buf,
size_t count,
ompi_datatype_t* datatype,
int dst,
int tag,
mca_pml_base_send_mode_t sendmode,
ompi_communicator_t* comm,
ompi_request_t** request)
{
mca_pml_cm_hvy_send_request_t *sendreq;
uint32_t flags = 0;
#if OPAL_ENABLE_HETEROGENEOUS_SUPPORT
ompi_proc_t* ompi_proc;
#endif
MCA_PML_CM_HVY_SEND_REQUEST_ALLOC(sendreq, comm, dst, ompi_proc);
if (OPAL_UNLIKELY(NULL == sendreq)) return OMPI_ERR_OUT_OF_RESOURCE;
MCA_PML_CM_HVY_SEND_REQUEST_INIT(sendreq, ompi_proc, comm, tag, dst,
datatype, sendmode, true, false, buf, count, flags);
/* Work around a leak in start by marking this request as complete. The
* problem occurred because we do not have a way to differentiate an
* initial request and an incomplete pml request in start. This line
* allows us to detect this state. */
sendreq->req_send.req_base.req_pml_complete = true;
*request = (ompi_request_t*) sendreq;
return OMPI_SUCCESS;
}
__opal_attribute_always_inline__ static inline int
mca_pml_cm_isend(const void* buf,
size_t count,
ompi_datatype_t* datatype,
int dst,
int tag,
mca_pml_base_send_mode_t sendmode,
ompi_communicator_t* comm,
ompi_request_t** request)
{
int ret;
uint32_t flags = 0;
if(sendmode == MCA_PML_BASE_SEND_BUFFERED ) {
mca_pml_cm_hvy_send_request_t* sendreq;
#if OPAL_ENABLE_HETEROGENEOUS_SUPPORT
ompi_proc_t* ompi_proc = NULL;
#endif
MCA_PML_CM_HVY_SEND_REQUEST_ALLOC(sendreq, comm, dst, ompi_proc);
if (OPAL_UNLIKELY(NULL == sendreq)) return OMPI_ERR_OUT_OF_RESOURCE;
MCA_PML_CM_HVY_SEND_REQUEST_INIT(sendreq,
ompi_proc,
comm,
tag,
dst,
datatype,
sendmode,
false,
false,
buf,
count,
flags);
MCA_PML_CM_HVY_SEND_REQUEST_START( sendreq, ret);
if (OPAL_LIKELY(OMPI_SUCCESS == ret)) *request = (ompi_request_t*) sendreq;
} else {
mca_pml_cm_thin_send_request_t* sendreq;
#if OPAL_ENABLE_HETEROGENEOUS_SUPPORT
ompi_proc_t* ompi_proc = NULL;
#endif
MCA_PML_CM_THIN_SEND_REQUEST_ALLOC(sendreq, comm, dst, ompi_proc);
if (OPAL_UNLIKELY(NULL == sendreq)) return OMPI_ERR_OUT_OF_RESOURCE;
MCA_PML_CM_THIN_SEND_REQUEST_INIT(sendreq,
ompi_proc,
comm,
tag,
dst,
datatype,
sendmode,
buf,
count,
flags);
MCA_PML_CM_THIN_SEND_REQUEST_START(
sendreq,
comm,
tag,
dst,
sendmode,
false,
ret);
if (OPAL_LIKELY(OMPI_SUCCESS == ret)) *request = (ompi_request_t*) sendreq;
}
return ret;
}
__opal_attribute_always_inline__ static inline int
mca_pml_cm_send(const void *buf,
size_t count,
ompi_datatype_t* datatype,
int dst,
int tag,
mca_pml_base_send_mode_t sendmode,
ompi_communicator_t* comm)
{
int ret = OMPI_ERROR;
uint32_t flags = 0;
ompi_proc_t * ompi_proc;
if(sendmode == MCA_PML_BASE_SEND_BUFFERED) {
mca_pml_cm_hvy_send_request_t *sendreq;
MCA_PML_CM_HVY_SEND_REQUEST_ALLOC(sendreq, comm, dst, ompi_proc);
if (OPAL_UNLIKELY(NULL == sendreq)) return OMPI_ERR_OUT_OF_RESOURCE;
MCA_PML_CM_HVY_SEND_REQUEST_INIT(sendreq,
ompi_proc,
comm,
tag,
dst,
datatype,
sendmode,
false,
false,
buf,
count,
flags);
MCA_PML_CM_HVY_SEND_REQUEST_START(sendreq, ret);
if (OPAL_UNLIKELY(OMPI_SUCCESS != ret)) {
MCA_PML_CM_HVY_SEND_REQUEST_RETURN(sendreq);
return ret;
}
ompi_request_free( (ompi_request_t**)&sendreq );
} else {
opal_convertor_t convertor;
OBJ_CONSTRUCT(&convertor, opal_convertor_t);
#if !(OPAL_ENABLE_HETEROGENEOUS_SUPPORT)
if (opal_datatype_is_contiguous_memory_layout(&datatype->super, count)) {
convertor.remoteArch = ompi_mpi_local_convertor->remoteArch;
convertor.flags = ompi_mpi_local_convertor->flags;
convertor.master = ompi_mpi_local_convertor->master;
/* Switches off device detection if
MTL set MCA_MTL_BASE_FLAG_ACCELERATOR_INIT_DISABLE during init */
MCA_PML_CM_SWITCH_ACCELERATOR_CONVERTOR_OFF(flags, datatype, count);
convertor.flags |= flags;
/* Sets CONVERTOR_ACCELERATOR flag if device buffer */
opal_convertor_prepare_for_send(&convertor, &datatype->super, count, (unsigned char *)buf);
} else
#endif
{
ompi_proc = ompi_comm_peer_lookup(comm, dst);
MCA_PML_CM_SWITCH_ACCELERATOR_CONVERTOR_OFF(flags, datatype, count);
opal_convertor_copy_and_prepare_for_send(
ompi_proc->super.proc_convertor,
&datatype->super, count, buf, flags,
&convertor);
}
ret = OMPI_MTL_CALL(send(ompi_mtl,
comm,
dst,
tag,
&convertor,
sendmode));
OBJ_DESTRUCT(&convertor);
}
return ret;
}
__opal_attribute_always_inline__ static inline int
mca_pml_cm_iprobe(int src, int tag,
struct ompi_communicator_t *comm,
int *matched, ompi_status_public_t * status)
{
return OMPI_MTL_CALL(iprobe(ompi_mtl,
comm, src, tag,
matched, status));
}
__opal_attribute_always_inline__ static inline int
mca_pml_cm_probe(int src, int tag,
struct ompi_communicator_t *comm,
ompi_status_public_t * status)
{
int ret, matched = 0;
while (true) {
ret = OMPI_MTL_CALL(iprobe(ompi_mtl,
comm, src, tag,
&matched, status));
if (OMPI_SUCCESS != ret) break;
if (matched) break;
opal_progress();
}
return ret;
}
__opal_attribute_always_inline__ static inline int
mca_pml_cm_improbe(int src,
int tag,
struct ompi_communicator_t* comm,
int *matched,
struct ompi_message_t **message,
ompi_status_public_t* status)
{
return OMPI_MTL_CALL(improbe(ompi_mtl,
comm, src, tag,
matched, message,
status));
}
__opal_attribute_always_inline__ static inline int
mca_pml_cm_mprobe(int src,
int tag,
struct ompi_communicator_t* comm,
struct ompi_message_t **message,
ompi_status_public_t* status)
{
int ret, matched = 0;
while (true) {
ret = OMPI_MTL_CALL(improbe(ompi_mtl,
comm, src, tag,
&matched, message,
status));
if (OMPI_SUCCESS != ret) break;
if (matched) break;
opal_progress();
}
return ret;
}
__opal_attribute_always_inline__ static inline int
mca_pml_cm_imrecv(void *buf,
size_t count,
ompi_datatype_t *datatype,
struct ompi_message_t **message,
struct ompi_request_t **request)
{
int ret;
uint32_t flags = 0;
mca_pml_cm_thin_recv_request_t *recvreq;
#if OPAL_ENABLE_HETEROGENEOUS_SUPPORT
ompi_proc_t* ompi_proc;
#endif
ompi_communicator_t *comm = (*message)->comm;
MCA_PML_CM_THIN_RECV_REQUEST_ALLOC(recvreq);
if( OPAL_UNLIKELY(NULL == recvreq) ) return OMPI_ERR_OUT_OF_RESOURCE;
MCA_PML_CM_THIN_RECV_REQUEST_INIT(recvreq,
ompi_proc,
comm,
(*message)->peer,
datatype,
buf,
count,
flags);
MCA_PML_CM_THIN_RECV_REQUEST_MATCHED_START(recvreq, message, ret);
if( OPAL_LIKELY(OMPI_SUCCESS == ret) ) *request = (ompi_request_t*) recvreq;
return ret;
}
__opal_attribute_always_inline__ static inline int
mca_pml_cm_mrecv(void *buf,
size_t count,
ompi_datatype_t *datatype,
struct ompi_message_t **message,
ompi_status_public_t* status)
{
int ret;
uint32_t flags = 0;
mca_pml_cm_thin_recv_request_t *recvreq;
#if OPAL_ENABLE_HETEROGENEOUS_SUPPORT
ompi_proc_t* ompi_proc;
#endif
ompi_communicator_t *comm = (*message)->comm;
MCA_PML_CM_THIN_RECV_REQUEST_ALLOC(recvreq);
if( OPAL_UNLIKELY(NULL == recvreq) ) return OMPI_ERR_OUT_OF_RESOURCE;
MCA_PML_CM_THIN_RECV_REQUEST_INIT(recvreq,
ompi_proc,
comm,
(*message)->peer,
datatype,
buf,
count,
flags);
MCA_PML_CM_THIN_RECV_REQUEST_MATCHED_START(recvreq,
message, ret);
if( OPAL_UNLIKELY(OMPI_SUCCESS != ret) ) {
MCA_PML_CM_THIN_RECV_REQUEST_RETURN(recvreq);
return ret;
}
ompi_request_wait_completion(&recvreq->req_base.req_ompi);
if (MPI_STATUS_IGNORE != status) {
OMPI_COPY_STATUS(status, recvreq->req_base.req_ompi.req_status, false);
}
ret = recvreq->req_base.req_ompi.req_status.MPI_ERROR;
ompi_request_free( (ompi_request_t**)&recvreq );
return ret;
}
OMPI_DECLSPEC extern int mca_pml_cm_start(size_t count, ompi_request_t** requests);
OMPI_DECLSPEC extern int mca_pml_cm_dump(struct ompi_communicator_t* comm,
int verbose);
OMPI_DECLSPEC extern int mca_pml_cm_cancel(struct ompi_request_t *request, int flag);
END_C_DECLS
#endif /* PML_CM_H_HAS_BEEN_INCLUDED */
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