27cea44a9c
* Make sure that the pval always writes to the correct portion of the
lval. This only matters on 32 bit big endian machines.
* On 32 bit machines when assigning to pval, the other 4 bytes of lval
weren't being written, which could lead to bogus data
We use macros so that there aren't casts all over the code and the pval
assignment can occur to the correct 4 bytes. Refs trac:587
This commit was SVN r12974.
The following Trac tickets were found above:
Ticket 587 --> https://svn.open-mpi.org/trac/ompi/ticket/587
411 строки
21 KiB
C
411 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) 2004-2006 The Regents of the University of California.
|
|
* All rights reserved.
|
|
* Copyright (c) 2006 Los Alamos National Security, LLC. All rights
|
|
* reserved.
|
|
* $COPYRIGHT$
|
|
*
|
|
* Additional copyrights may follow
|
|
*
|
|
* $HEADER$
|
|
*/
|
|
/**
|
|
* @file
|
|
*/
|
|
#ifndef OMPI_PML_DR_RECV_REQUEST_H
|
|
#define OMPI_PML_DR_RECV_REQUEST_H
|
|
|
|
#include "ompi_config.h"
|
|
#include "ompi/mca/mpool/base/base.h"
|
|
#include "ompi/mca/pml/base/pml_base_recvreq.h"
|
|
|
|
#include "pml_dr.h"
|
|
#include "pml_dr_hdr.h"
|
|
#include "pml_dr_vfrag.h"
|
|
#include "pml_dr_comm.h"
|
|
|
|
#if defined(c_plusplus) || defined(__cplusplus)
|
|
extern "C" {
|
|
#endif
|
|
|
|
|
|
struct mca_pml_dr_recv_request_t {
|
|
mca_pml_base_recv_request_t req_recv;
|
|
size_t req_bytes_received;
|
|
size_t req_bytes_delivered;
|
|
bool req_acked;
|
|
|
|
/* filled in after match */
|
|
struct mca_pml_dr_comm_proc_t* req_proc;
|
|
struct mca_pml_dr_endpoint_t* req_endpoint;
|
|
opal_mutex_t* req_mutex;
|
|
|
|
/* vfrag state */
|
|
mca_pml_dr_vfrag_t *req_vfrag;
|
|
mca_pml_dr_vfrag_t req_vfrag0;
|
|
opal_list_t req_vfrags;
|
|
};
|
|
typedef struct mca_pml_dr_recv_request_t mca_pml_dr_recv_request_t;
|
|
|
|
|
|
OBJ_CLASS_DECLARATION(mca_pml_dr_recv_request_t);
|
|
|
|
|
|
/**
|
|
* Allocate a recv request from the modules free list.
|
|
*
|
|
* @param rc (OUT) OMPI_SUCCESS or error status on failure.
|
|
* @return Receive request.
|
|
*/
|
|
#define MCA_PML_DR_RECV_REQUEST_ALLOC(recvreq, rc) \
|
|
do { \
|
|
ompi_free_list_item_t* item; \
|
|
rc = OMPI_SUCCESS; \
|
|
OMPI_FREE_LIST_GET(&mca_pml_dr.recv_requests, item, rc); \
|
|
recvreq = (mca_pml_dr_recv_request_t*)item; \
|
|
} while(0)
|
|
|
|
|
|
/**
|
|
* Initialize a receive request with call parameters.
|
|
*
|
|
* @param request (IN) Receive request.
|
|
* @param addr (IN) User buffer.
|
|
* @param count (IN) Number of elements of indicated datatype.
|
|
* @param datatype (IN) User defined datatype.
|
|
* @param src (IN) Source rank w/in the communicator.
|
|
* @param tag (IN) User defined tag.
|
|
* @param comm (IN) Communicator.
|
|
* @param persistent (IN) Is this a ersistent request.
|
|
*/
|
|
#define MCA_PML_DR_RECV_REQUEST_INIT( \
|
|
request, \
|
|
addr, \
|
|
count, \
|
|
datatype, \
|
|
src, \
|
|
tag, \
|
|
comm, \
|
|
persistent) \
|
|
do { \
|
|
MCA_PML_BASE_RECV_REQUEST_INIT( \
|
|
&(request)->req_recv, \
|
|
addr, \
|
|
count, \
|
|
datatype, \
|
|
src, \
|
|
tag, \
|
|
comm, \
|
|
persistent); \
|
|
} while(0)
|
|
|
|
/**
|
|
* Mark a recv request complete.
|
|
*
|
|
* @param request (IN) Receive request.
|
|
*/
|
|
|
|
#define MCA_PML_DR_RECV_REQUEST_PML_COMPLETE(recvreq) \
|
|
do { \
|
|
ompi_free_list_item_t* item; \
|
|
assert( false == recvreq->req_recv.req_base.req_pml_complete ); \
|
|
OPAL_THREAD_LOCK((recvreq)->req_mutex); \
|
|
while(NULL != (item = (ompi_free_list_item_t*) \
|
|
opal_list_remove_first(&(recvreq)->req_vfrags))) { \
|
|
OMPI_FREE_LIST_RETURN(&mca_pml_dr.vfrags, item); \
|
|
} \
|
|
OPAL_THREAD_UNLOCK((recvreq)->req_mutex); \
|
|
\
|
|
opal_list_remove_item(&(recvreq)->req_proc->matched_receives, \
|
|
(opal_list_item_t*)(recvreq)); \
|
|
\
|
|
/* initialize request status */ \
|
|
recvreq->req_recv.req_base.req_pml_complete = true; \
|
|
if (recvreq->req_bytes_received > recvreq->req_bytes_delivered) { \
|
|
recvreq->req_recv.req_base.req_ompi.req_status._count = \
|
|
recvreq->req_bytes_delivered; \
|
|
recvreq->req_recv.req_base.req_ompi.req_status.MPI_ERROR = \
|
|
MPI_ERR_TRUNCATE; \
|
|
} else { \
|
|
recvreq->req_recv.req_base.req_ompi.req_status._count = \
|
|
recvreq->req_bytes_received; \
|
|
} \
|
|
MCA_PML_BASE_REQUEST_MPI_COMPLETE( &(recvreq->req_recv.req_base.req_ompi) ); \
|
|
\
|
|
if( true == recvreq->req_recv.req_base.req_free_called ) { \
|
|
MCA_PML_DR_RECV_REQUEST_RETURN( recvreq ); \
|
|
} \
|
|
} while(0)
|
|
|
|
|
|
/**
|
|
* Return a recv request to the modules free list.
|
|
*
|
|
* @param request (IN) Receive request.
|
|
*/
|
|
#define MCA_PML_DR_RECV_REQUEST_RETURN(recvreq) \
|
|
do { \
|
|
/* decrement reference counts */ \
|
|
MCA_PML_BASE_RECV_REQUEST_FINI(&(recvreq)->req_recv); \
|
|
OMPI_FREE_LIST_RETURN(&mca_pml_dr.recv_requests, (ompi_free_list_item_t*)(recvreq)); \
|
|
} while(0)
|
|
|
|
/**
|
|
* Attempt to match the request against the unexpected fragment list
|
|
* for all source ranks w/in the communicator.
|
|
*
|
|
* @param request (IN) Request to match.
|
|
*/
|
|
void mca_pml_dr_recv_request_match_wild(mca_pml_dr_recv_request_t* request);
|
|
|
|
/**
|
|
* Attempt to match the request against the unexpected fragment list
|
|
* for a specific source rank.
|
|
*
|
|
* @param request (IN) Request to match.
|
|
*/
|
|
void mca_pml_dr_recv_request_match_specific(mca_pml_dr_recv_request_t* request);
|
|
|
|
|
|
/**
|
|
* Ack a matched request.
|
|
*/
|
|
void mca_pml_dr_recv_request_ack(
|
|
mca_btl_base_module_t* blt,
|
|
mca_pml_dr_recv_request_t* recvreq,
|
|
mca_pml_dr_common_hdr_t* hdr,
|
|
ompi_ptr_t src_ptr,
|
|
size_t vlen,
|
|
uint64_t vmask);
|
|
|
|
/**
|
|
* Start an initialized request.
|
|
*
|
|
* @param request Receive request.
|
|
* @return OMPI_SUCESS or error status on failure.
|
|
*/
|
|
#define MCA_PML_DR_RECV_REQUEST_START(request) \
|
|
do { \
|
|
/* init/re-init the request */ \
|
|
(request)->req_bytes_received = 0; \
|
|
(request)->req_bytes_delivered = 0; \
|
|
(request)->req_acked = false; \
|
|
(request)->req_recv.req_base.req_pml_complete = false; \
|
|
(request)->req_recv.req_base.req_ompi.req_complete = false; \
|
|
(request)->req_recv.req_base.req_ompi.req_state = OMPI_REQUEST_ACTIVE; \
|
|
(request)->req_vfrag = &(request)->req_vfrag0; \
|
|
(request)->req_proc = NULL; \
|
|
(request)->req_endpoint = NULL; \
|
|
\
|
|
/* always set the req_status.MPI_TAG to ANY_TAG before starting the \
|
|
* request. This field is used if cancelled to find out if the request \
|
|
* has been matched or not. \
|
|
*/ \
|
|
(request)->req_recv.req_base.req_ompi.req_status.MPI_TAG = OMPI_ANY_TAG; \
|
|
(request)->req_recv.req_base.req_ompi.req_status.MPI_ERROR = OMPI_SUCCESS; \
|
|
(request)->req_recv.req_base.req_ompi.req_status._cancelled = 0; \
|
|
\
|
|
/* attempt to match unexpected recv */ \
|
|
if((request)->req_recv.req_base.req_peer == OMPI_ANY_SOURCE) { \
|
|
mca_pml_dr_recv_request_match_wild(request); \
|
|
} else { \
|
|
mca_pml_dr_recv_request_match_specific(request); \
|
|
} \
|
|
} while (0)
|
|
|
|
|
|
/**
|
|
* Initialize request when match is made
|
|
*/
|
|
|
|
#define MCA_PML_DR_RECV_REQUEST_MATCHED(request,comm,proc,hdr) \
|
|
do { \
|
|
(request)->req_mutex = &comm->matching_lock; \
|
|
(request)->req_proc = proc; \
|
|
(request)->req_endpoint = (mca_pml_dr_endpoint_t*)proc->ompi_proc->proc_pml; \
|
|
(request)->req_recv.req_base.req_ompi.req_status.MPI_TAG = (hdr)->hdr_tag; \
|
|
(request)->req_recv.req_base.req_ompi.req_status.MPI_SOURCE = proc->comm_rank; \
|
|
(request)->req_vfrag0.vf_id = (hdr)->hdr_common.hdr_vid; \
|
|
opal_list_append(&proc->matched_receives, (opal_list_item_t*)request); \
|
|
ompi_seq_tracker_insert(&request->req_endpoint->seq_recvs_matched, \
|
|
(hdr)->hdr_common.hdr_vid); \
|
|
} while(0)
|
|
|
|
|
|
/**
|
|
* Setup convertor if message length is non-zero
|
|
*/
|
|
|
|
#define MCA_PML_DR_RECV_REQUEST_BYTES_PACKED(request, bytes_packed) \
|
|
do { \
|
|
bool do_csum = mca_pml_dr.enable_csum && \
|
|
(request->req_endpoint->bml_endpoint->btl_flags_or & MCA_BTL_FLAGS_NEED_CSUM); \
|
|
(request)->req_recv.req_bytes_packed = bytes_packed; \
|
|
if((request)->req_recv.req_bytes_packed != 0) { \
|
|
ompi_proc_t *proc = (request)->req_proc->ompi_proc; \
|
|
ompi_convertor_copy_and_prepare_for_recv( proc->proc_convertor, \
|
|
(request)->req_recv.req_base.req_datatype, \
|
|
(request)->req_recv.req_base.req_count, \
|
|
(request)->req_recv.req_base.req_addr, \
|
|
(do_csum ? CONVERTOR_WITH_CHECKSUM: 0), \
|
|
&(request)->req_recv.req_convertor ); \
|
|
} \
|
|
} while (0)
|
|
|
|
|
|
/**
|
|
*
|
|
*/
|
|
|
|
#define MCA_PML_DR_RECV_REQUEST_UNPACK( \
|
|
request, \
|
|
segments, \
|
|
num_segments, \
|
|
seg_offset, \
|
|
data_offset, \
|
|
bytes_received, \
|
|
bytes_delivered, \
|
|
csum) \
|
|
do { \
|
|
if(request->req_recv.req_bytes_packed > 0) { \
|
|
struct iovec iov[MCA_BTL_DES_MAX_SEGMENTS]; \
|
|
uint32_t iov_count = 0; \
|
|
size_t max_data = bytes_received; \
|
|
size_t n, offset = seg_offset; \
|
|
bool do_csum = mca_pml_dr.enable_csum && \
|
|
(request->req_endpoint->bml_endpoint->btl_flags_or & MCA_BTL_FLAGS_NEED_CSUM); \
|
|
\
|
|
for(n=0; n<num_segments; n++) { \
|
|
mca_btl_base_segment_t* segment = segments+n; \
|
|
if(offset >= segment->seg_len) { \
|
|
offset -= segment->seg_len; \
|
|
} else { \
|
|
iov[iov_count].iov_len = segment->seg_len - offset; \
|
|
iov[iov_count].iov_base = (IOVBASE_TYPE*)((unsigned char*) OMPI_PTR_GET_PVAL(segment->seg_addr) + offset); \
|
|
offset = 0; \
|
|
iov_count++; \
|
|
} \
|
|
} \
|
|
ompi_convertor_set_position( \
|
|
&(request->req_recv.req_convertor), \
|
|
&data_offset); \
|
|
assert((request->req_recv.req_convertor.flags & CONVERTOR_COMPLETED) == 0); \
|
|
ompi_convertor_unpack( \
|
|
&(request)->req_recv.req_convertor, \
|
|
iov, \
|
|
&iov_count, \
|
|
&max_data); \
|
|
bytes_delivered = max_data; \
|
|
if(bytes_received && !bytes_delivered) assert(0); \
|
|
csum = (do_csum ? \
|
|
request->req_recv.req_convertor.checksum : OPAL_CSUM_ZERO); \
|
|
} else { \
|
|
bytes_delivered = 0; \
|
|
csum = OPAL_CSUM_ZERO; \
|
|
} \
|
|
} while (0)
|
|
|
|
|
|
/**
|
|
*
|
|
*/
|
|
|
|
void mca_pml_dr_recv_request_progress(
|
|
mca_pml_dr_recv_request_t* req,
|
|
struct mca_btl_base_module_t* btl,
|
|
mca_btl_base_segment_t* segments,
|
|
size_t num_segments);
|
|
|
|
/**
|
|
*
|
|
*/
|
|
|
|
void mca_pml_dr_recv_request_matched_probe(
|
|
mca_pml_dr_recv_request_t* req,
|
|
struct mca_btl_base_module_t* btl,
|
|
mca_btl_base_segment_t* segments,
|
|
size_t num_segments);
|
|
|
|
/**
|
|
*
|
|
*/
|
|
|
|
void mca_pml_dr_recv_request_schedule(
|
|
mca_pml_dr_recv_request_t* req);
|
|
|
|
/**
|
|
* Look for matched receive.
|
|
* Must be called w/ matching lock held.
|
|
*/
|
|
|
|
static inline struct mca_pml_dr_recv_request_t* mca_pml_dr_comm_proc_check_matched(
|
|
mca_pml_dr_comm_proc_t* dr_proc,
|
|
uint32_t vfrag_id)
|
|
{
|
|
opal_list_item_t* item;
|
|
for(item = opal_list_get_first(&dr_proc->matched_receives);
|
|
item != opal_list_get_end(&dr_proc->matched_receives);
|
|
item = opal_list_get_next(item)) {
|
|
struct mca_pml_dr_recv_request_t* recvreq = (struct mca_pml_dr_recv_request_t*)item;
|
|
if(recvreq->req_vfrag0.vf_id == vfrag_id)
|
|
return recvreq;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
*
|
|
*/
|
|
|
|
#define MCA_PML_DR_RECV_REQUEST_VFRAG_LOOKUP(recvreq,hdr,vfrag) \
|
|
do { \
|
|
if((recvreq)->req_vfrag->vf_id == (hdr)->hdr_common.hdr_vid) { \
|
|
vfrag = (recvreq)->req_vfrag; \
|
|
} else { \
|
|
opal_list_item_t* item; \
|
|
int rc; \
|
|
\
|
|
vfrag = NULL; \
|
|
OPAL_THREAD_LOCK(recvreq->req_mutex); \
|
|
for(item = opal_list_get_first(&(recvreq)->req_vfrags); \
|
|
item != opal_list_get_end(&(recvreq)->req_vfrags); \
|
|
item = opal_list_get_next(item)) { \
|
|
mca_pml_dr_vfrag_t* vf = (mca_pml_dr_vfrag_t*)item; \
|
|
if(vf->vf_id == (hdr)->hdr_common.hdr_vid) { \
|
|
vfrag = vf; \
|
|
break; \
|
|
} \
|
|
} \
|
|
if(NULL == vfrag) { \
|
|
MCA_PML_DR_VFRAG_ALLOC(vfrag,rc); \
|
|
if(NULL != vfrag) { \
|
|
MCA_PML_DR_VFRAG_INIT(vfrag); \
|
|
(vfrag)->vf_id = (hdr)->hdr_common.hdr_vid; \
|
|
(vfrag)->vf_len = (hdr)->hdr_vlen; \
|
|
if((hdr)->hdr_vlen == 64) { \
|
|
(vfrag)->vf_mask = ~(uint64_t)0; \
|
|
} else { \
|
|
(vfrag)->vf_mask = (((uint64_t)1 << (hdr)->hdr_vlen)-1); \
|
|
} \
|
|
opal_list_append(&(recvreq)->req_vfrags, (opal_list_item_t*)vfrag); \
|
|
(recvreq)->req_vfrag = vfrag; \
|
|
} \
|
|
} \
|
|
OPAL_THREAD_UNLOCK(recvreq->req_mutex); \
|
|
} \
|
|
} while(0)
|
|
|
|
#if defined(c_plusplus) || defined(__cplusplus)
|
|
}
|
|
#endif
|
|
#endif
|
|
|