388 строки
21 KiB
C
388 строки
21 KiB
C
/*
|
|
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
|
|
* University Research and Technology
|
|
* Corporation. All rights reserved.
|
|
* Copyright (c) 2004-2005 The University of Tennessee and The University
|
|
* of Tennessee Research Foundation. All rights
|
|
* reserved.
|
|
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
|
|
* University of Stuttgart. All rights reserved.
|
|
* Copyright (c) 2004-2005 The Regents of the University of California.
|
|
* All rights reserved.
|
|
* $COPYRIGHT$
|
|
*
|
|
* Additional copyrights may follow
|
|
*
|
|
* $HEADER$
|
|
*/
|
|
/**
|
|
* @file
|
|
*/
|
|
#ifndef OMPI_PML_DR_SEND_REQUEST_H
|
|
#define OMPI_PML_DR_SEND_REQUEST_H
|
|
|
|
#include "opal/util/crc.h"
|
|
#include "ompi_config.h"
|
|
#include "ompi/datatype/convertor.h"
|
|
#include "ompi/mca/btl/btl.h"
|
|
#include "ompi/mca/pml/base/pml_base_sendreq.h"
|
|
#include "ompi/mca/mpool/base/base.h"
|
|
#include "ompi/mca/bml/bml.h"
|
|
|
|
#include "pml_dr_proc.h"
|
|
#include "pml_dr_comm.h"
|
|
#include "pml_dr_hdr.h"
|
|
#include "pml_dr_vfrag.h"
|
|
#include "opal/event/event.h"
|
|
|
|
#if defined(c_plusplus) || defined(__cplusplus)
|
|
extern "C" {
|
|
#endif
|
|
|
|
struct mca_pml_dr_send_request_t {
|
|
mca_pml_base_send_request_t req_send;
|
|
/* ompi_proc_t* req_proc; */
|
|
mca_bml_base_endpoint_t* req_endpoint;
|
|
#if OMPI_HAVE_THREAD_SUPPORT
|
|
volatile int32_t req_state;
|
|
volatile int32_t req_lock;
|
|
#else
|
|
int32_t req_state;
|
|
int32_t req_lock;
|
|
#endif
|
|
size_t req_pipeline_depth;
|
|
size_t req_bytes_delivered;
|
|
size_t req_send_offset;
|
|
|
|
mca_pml_dr_vfrag_t* req_vfrag;
|
|
mca_pml_dr_vfrag_t req_vfrag0;
|
|
opal_list_t req_retrans;
|
|
mca_btl_base_descriptor_t* descriptor; /* descriptor for first frag, retransmission */
|
|
|
|
};
|
|
typedef struct mca_pml_dr_send_request_t mca_pml_dr_send_request_t;
|
|
|
|
|
|
OBJ_CLASS_DECLARATION(mca_pml_dr_send_request_t);
|
|
|
|
|
|
#define MCA_PML_DR_SEND_REQUEST_ALLOC( \
|
|
comm, \
|
|
dst, \
|
|
sendreq, \
|
|
rc) \
|
|
{ \
|
|
ompi_proc_t *proc = \
|
|
comm->c_pml_procs[dst]->proc_ompi; \
|
|
opal_list_item_t* item; \
|
|
\
|
|
if(NULL == proc) { \
|
|
rc = OMPI_ERR_OUT_OF_RESOURCE; \
|
|
} else { \
|
|
rc = OMPI_SUCCESS; \
|
|
OMPI_FREE_LIST_WAIT(&mca_pml_dr.send_requests, item, rc); \
|
|
sendreq = (mca_pml_dr_send_request_t*)item; \
|
|
sendreq->req_send.req_base.req_proc = proc; \
|
|
} \
|
|
}
|
|
|
|
|
|
#define MCA_PML_DR_SEND_REQUEST_INIT( \
|
|
sendreq, \
|
|
buf, \
|
|
count, \
|
|
datatype, \
|
|
dst, \
|
|
tag, \
|
|
comm, \
|
|
sendmode, \
|
|
persistent) \
|
|
{ \
|
|
MCA_PML_BASE_SEND_REQUEST_INIT(&sendreq->req_send, \
|
|
buf, \
|
|
count, \
|
|
datatype, \
|
|
dst, \
|
|
tag, \
|
|
comm, \
|
|
sendmode, \
|
|
persistent); \
|
|
}
|
|
|
|
|
|
/**
|
|
* Start a send request.
|
|
*/
|
|
|
|
#define MCA_PML_DR_SEND_REQUEST_START(sendreq, rc) \
|
|
do { \
|
|
mca_pml_dr_comm_t* comm = sendreq->req_send.req_base.req_comm->c_pml_comm; \
|
|
mca_pml_dr_comm_proc_t* proc = comm->procs + sendreq->req_send.req_base.req_peer; \
|
|
mca_bml_base_endpoint_t* endpoint = \
|
|
(mca_bml_base_endpoint_t*)sendreq->req_send.req_base.req_proc->proc_pml; \
|
|
mca_bml_base_btl_t* bml_btl; \
|
|
size_t size = sendreq->req_send.req_bytes_packed; \
|
|
size_t eager_limit; \
|
|
if(endpoint == NULL) { \
|
|
rc = OMPI_ERR_UNREACH; \
|
|
break; \
|
|
} \
|
|
\
|
|
sendreq->req_lock = 0; \
|
|
sendreq->req_pipeline_depth = 0; \
|
|
sendreq->req_bytes_delivered = 0; \
|
|
sendreq->req_state = 0; \
|
|
sendreq->req_send_offset = 0; \
|
|
sendreq->req_send.req_base.req_pml_complete = false; \
|
|
sendreq->req_send.req_base.req_ompi.req_complete = false; \
|
|
sendreq->req_send.req_base.req_ompi.req_state = OMPI_REQUEST_ACTIVE; \
|
|
sendreq->req_send.req_base.req_ompi.req_status._cancelled = 0; \
|
|
sendreq->req_send.req_base.req_sequence = OPAL_THREAD_ADD32(&proc->send_sequence,1); \
|
|
sendreq->req_endpoint = endpoint; \
|
|
sendreq->req_vfrag0.vf_id = OPAL_THREAD_ADD32(&proc->vfrag_id,1); \
|
|
sendreq->req_vfrag0.vf_ack = 0; \
|
|
sendreq->req_vfrag0.vf_mask_processed = 0; \
|
|
sendreq->req_vfrag = &sendreq->req_vfrag0; \
|
|
\
|
|
/* select a btl */ \
|
|
bml_btl = mca_bml_base_btl_array_get_next(&endpoint->btl_eager); \
|
|
eager_limit = bml_btl->btl_eager_limit - sizeof(mca_pml_dr_hdr_t); \
|
|
if(size <= eager_limit) { \
|
|
switch(sendreq->req_send.req_send_mode) { \
|
|
case MCA_PML_BASE_SEND_SYNCHRONOUS: \
|
|
rc = mca_pml_dr_send_request_start_rndv(sendreq, bml_btl, size, 0); \
|
|
break; \
|
|
case MCA_PML_BASE_SEND_BUFFERED: \
|
|
rc = mca_pml_dr_send_request_start_copy(sendreq, bml_btl, size); \
|
|
break; \
|
|
case MCA_PML_BASE_SEND_COMPLETE: \
|
|
rc = mca_pml_dr_send_request_start_prepare(sendreq, bml_btl, size); \
|
|
break; \
|
|
default: \
|
|
if (bml_btl->btl_flags & MCA_BTL_FLAGS_SEND_INPLACE) { \
|
|
rc = mca_pml_dr_send_request_start_prepare(sendreq, bml_btl, size); \
|
|
} else { \
|
|
rc = mca_pml_dr_send_request_start_copy(sendreq, bml_btl, size); \
|
|
} \
|
|
break; \
|
|
} \
|
|
} else { \
|
|
size = eager_limit; \
|
|
if(sendreq->req_send.req_send_mode == MCA_PML_BASE_SEND_BUFFERED) { \
|
|
rc = mca_pml_dr_send_request_start_buffered(sendreq, bml_btl, size); \
|
|
} else { \
|
|
rc = mca_pml_dr_send_request_start_rndv(sendreq, bml_btl, size, 0); \
|
|
} \
|
|
} \
|
|
} while (0)
|
|
|
|
|
|
/*
|
|
* Mark a send request as completed at the MPI level.
|
|
*/
|
|
|
|
#define MCA_PML_DR_SEND_REQUEST_MPI_COMPLETE(sendreq) \
|
|
do { \
|
|
(sendreq)->req_send.req_base.req_ompi.req_status.MPI_SOURCE = \
|
|
(sendreq)->req_send.req_base.req_comm->c_my_rank; \
|
|
(sendreq)->req_send.req_base.req_ompi.req_status.MPI_TAG = \
|
|
(sendreq)->req_send.req_base.req_tag; \
|
|
(sendreq)->req_send.req_base.req_ompi.req_status.MPI_ERROR = OMPI_SUCCESS; \
|
|
(sendreq)->req_send.req_base.req_ompi.req_status._count = \
|
|
(sendreq)->req_send.req_bytes_packed; \
|
|
(sendreq)->req_send.req_base.req_ompi.req_complete = true; \
|
|
ompi_request_completed++; \
|
|
if(ompi_request_waiting) { \
|
|
opal_condition_broadcast(&ompi_request_cond); \
|
|
} \
|
|
} while(0)
|
|
|
|
/*
|
|
* The PML has completed a send request. Note that this request
|
|
* may have been orphaned by the user or have already completed
|
|
* at the MPI level.
|
|
*/
|
|
#define MCA_PML_DR_SEND_REQUEST_PML_COMPLETE(sendreq) \
|
|
do { \
|
|
/* request completed at pml level */ \
|
|
(sendreq)->req_send.req_base.req_pml_complete = true; \
|
|
\
|
|
/* user has already released the request so simply free it */ \
|
|
if((sendreq)->req_send.req_base.req_free_called) { \
|
|
/* if buffered send - release any resources */ \
|
|
if ((sendreq)->req_send.req_send_mode == MCA_PML_BASE_SEND_BUFFERED && \
|
|
(sendreq)->req_send.req_addr != (sendreq)->req_send.req_base.req_addr) { \
|
|
mca_pml_base_bsend_request_fini((ompi_request_t*)sendreq); \
|
|
} \
|
|
MCA_PML_DR_SEND_REQUEST_RETURN(sendreq); \
|
|
/* is request complete at mpi level */ \
|
|
} else if ((sendreq)->req_send.req_base.req_ompi.req_complete == false) { \
|
|
MCA_PML_DR_SEND_REQUEST_MPI_COMPLETE(sendreq); \
|
|
/* buffered send - release any resources */ \
|
|
} else if ((sendreq)->req_send.req_send_mode == MCA_PML_BASE_SEND_BUFFERED && \
|
|
(sendreq)->req_send.req_addr != (sendreq)->req_send.req_base.req_addr) { \
|
|
mca_pml_base_bsend_request_fini((ompi_request_t*)sendreq); \
|
|
} \
|
|
} while (0)
|
|
|
|
|
|
/*
|
|
* Release resources associated with a request
|
|
*/
|
|
|
|
#define MCA_PML_DR_SEND_REQUEST_RETURN(sendreq) \
|
|
do { \
|
|
/* Let the base handle the reference counts */ \
|
|
MCA_PML_BASE_SEND_REQUEST_FINI((&(sendreq)->req_send)); \
|
|
OMPI_FREE_LIST_RETURN( \
|
|
&mca_pml_dr.send_requests, (opal_list_item_t*)sendreq); \
|
|
} while(0)
|
|
|
|
/*
|
|
* Lookup/allocate a vfrag for the pending send
|
|
*/
|
|
|
|
#define MCA_PML_DR_SEND_REQUEST_VFRAG_INIT(sendreq, endpoint, size, vfrag) \
|
|
do { \
|
|
mca_pml_dr_comm_t* comm = sendreq->req_send.req_base.req_comm->c_pml_comm; \
|
|
mca_pml_dr_comm_proc_t* proc = comm->procs + sendreq->req_send.req_base.req_peer; \
|
|
size_t max_send_size = endpoint->btl_max_send_size - sizeof(mca_pml_dr_frag_hdr_t); \
|
|
size_t div = size / max_send_size; \
|
|
\
|
|
if(div == 0) { \
|
|
vfrag->vf_len = 1; \
|
|
vfrag->vf_size = size; \
|
|
vfrag->vf_mask = 1; \
|
|
} else if(div > 64) { \
|
|
vfrag->vf_len = 64; \
|
|
vfrag->vf_size = (max_send_size << 6); /* size * 64 */ \
|
|
vfrag->vf_mask = ~(uint64_t)0; \
|
|
} else if (div == 64) { \
|
|
size_t mod = size % max_send_size; \
|
|
vfrag->vf_len = 64; \
|
|
vfrag->vf_size = (mod ? (size - mod) : size); \
|
|
vfrag->vf_mask = ~(uint64_t)0; \
|
|
} else { \
|
|
size_t mod = size % max_send_size; \
|
|
vfrag->vf_len = div + (mod ? 1 : 0); \
|
|
vfrag->vf_size = size; \
|
|
vfrag->vf_mask = (((uint64_t)1 << vfrag->vf_len) - (uint64_t)1); \
|
|
} \
|
|
\
|
|
vfrag->vf_id = OPAL_THREAD_ADD32(&proc->vfrag_id,1); \
|
|
vfrag->vf_offset = sendreq->req_send_offset; \
|
|
vfrag->vf_ack = 0; \
|
|
vfrag->vf_idx = 0; \
|
|
vfrag->vf_mask_processed = 0; \
|
|
vfrag->vf_max_send_size = max_send_size; \
|
|
vfrag->vf_send.pval = sendreq; \
|
|
sendreq->req_vfrag = vfrag; \
|
|
} while(0)
|
|
|
|
|
|
/*
|
|
*
|
|
*/
|
|
|
|
#define MCA_PML_DR_SEND_REQUEST_VFRAG_RETRANS(sendreq,hdr,vfrag) \
|
|
do { \
|
|
opal_list_item_t* item; \
|
|
vfrag = NULL; \
|
|
for(item = opal_list_get_first(&(sendreq)->req_retrans); \
|
|
item != opal_list_get_end(&(sendreq)->req_retrans); \
|
|
item = opal_list_get_next(item)) { \
|
|
mca_pml_dr_vfrag_t* vf = (mca_pml_dr_vfrag_t*)item; \
|
|
if(vf->vf_id == (hdr)->hdr_vid) { \
|
|
vfrag = vf; \
|
|
break; \
|
|
} \
|
|
} \
|
|
} while(0)
|
|
|
|
|
|
/*
|
|
* Update bytes delivered on request based on supplied descriptor
|
|
*/
|
|
|
|
#define MCA_PML_DR_SEND_REQUEST_SET_BYTES_DELIVERED(sendreq, vfrag, hdrlen) \
|
|
do { \
|
|
sendreq->req_bytes_delivered += vfrag->vf_size; \
|
|
} while(0)
|
|
|
|
/*
|
|
* Attempt to process any pending requests
|
|
*/
|
|
|
|
#define MCA_PML_DR_SEND_REQUEST_PROCESS_PENDING() \
|
|
do { \
|
|
/* advance pending requests */ \
|
|
while(opal_list_get_size(&mca_pml_dr.send_pending)) { \
|
|
mca_pml_dr_send_request_t* sendreq; \
|
|
OPAL_THREAD_LOCK(&mca_pml_dr.lock); \
|
|
sendreq = (mca_pml_dr_send_request_t*) \
|
|
opal_list_remove_first(&mca_pml_dr.send_pending); \
|
|
OPAL_THREAD_UNLOCK(&mca_pml_dr.lock); \
|
|
if(NULL == sendreq) \
|
|
break; \
|
|
mca_pml_dr_send_request_schedule(sendreq); \
|
|
} \
|
|
} while (0)
|
|
|
|
|
|
/**
|
|
* Start the specified request
|
|
*/
|
|
|
|
int mca_pml_dr_send_request_start_buffered(
|
|
mca_pml_dr_send_request_t* sendreq,
|
|
mca_bml_base_btl_t* bml_btl,
|
|
size_t size);
|
|
|
|
int mca_pml_dr_send_request_start_copy(
|
|
mca_pml_dr_send_request_t* sendreq,
|
|
mca_bml_base_btl_t* bml_btl,
|
|
size_t size);
|
|
|
|
int mca_pml_dr_send_request_start_prepare(
|
|
mca_pml_dr_send_request_t* sendreq,
|
|
mca_bml_base_btl_t* bml_btl,
|
|
size_t size);
|
|
|
|
int mca_pml_dr_send_request_start_rndv(
|
|
mca_pml_dr_send_request_t* sendreq,
|
|
mca_bml_base_btl_t* bml_btl,
|
|
size_t size,
|
|
int flags);
|
|
|
|
/**
|
|
* Schedule additional fragments
|
|
*/
|
|
int mca_pml_dr_send_request_schedule(
|
|
mca_pml_dr_send_request_t* sendreq);
|
|
|
|
int mca_pml_dr_send_request_reschedule(
|
|
mca_pml_dr_send_request_t* sendreq,
|
|
mca_pml_dr_vfrag_t* vfrag);
|
|
|
|
/**
|
|
* Acknowledgment of vfrags
|
|
*/
|
|
void mca_pml_dr_send_request_match_ack(
|
|
mca_btl_base_module_t* btl,
|
|
mca_pml_dr_ack_hdr_t*);
|
|
|
|
void mca_pml_dr_send_request_rndv_ack(
|
|
mca_btl_base_module_t* btl,
|
|
mca_pml_dr_ack_hdr_t*);
|
|
|
|
void mca_pml_dr_send_request_frag_ack(
|
|
mca_btl_base_module_t* btl,
|
|
mca_pml_dr_ack_hdr_t*);
|
|
|
|
|
|
#if defined(c_plusplus) || defined(__cplusplus)
|
|
}
|
|
#endif
|
|
#endif
|
|
|