-/* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team.
+/* Copyright (c) 2007-2013. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
char *value = NULL;
unsigned int iter = 0;
s_smpi_factor_t fact;
+ fact.nb_values=0;
int i=0;
xbt_dynar_t smpi_factor, radical_elements, radical_elements2 = NULL;
smpi_factor = xbt_dynar_new(sizeof(s_smpi_factor_t), NULL);
radical_elements = xbt_str_split(smpi_coef_string, ";");
xbt_dynar_foreach(radical_elements, iter, value) {
- fact.nb_values=0;
radical_elements2 = xbt_str_split(value, ":");
if (xbt_dynar_length(radical_elements2) <2 || xbt_dynar_length(radical_elements2) > 5)
xbt_die("Malformed radical for smpi factor!");
double current=0.0;
xbt_dynar_foreach(smpi_os_values, iter, fact) {
if (size <= fact.factor) {
- XBT_DEBUG("os : %lf <= %ld return %f", size, fact.factor, current);
+ XBT_DEBUG("os : %f <= %ld return %f", size, fact.factor, current);
return current;
}else{
current=fact.values[0]+fact.values[1]*size;
}
}
- XBT_DEBUG("os : %lf > %ld return %f", size, fact.factor, current);
+ XBT_DEBUG("os : %f > %ld return %f", size, fact.factor, current);
return current;
}
double current=0.0;
xbt_dynar_foreach(smpi_ois_values, iter, fact) {
if (size <= fact.factor) {
- XBT_DEBUG("ois : %lf <= %ld return %f", size, fact.factor, current);
+ XBT_DEBUG("ois : %f <= %ld return %f", size, fact.factor, current);
return current;
}else{
current=fact.values[0]+fact.values[1]*size;
}
}
- XBT_DEBUG("ois : %lf > %ld return %f", size, fact.factor, current);
+ XBT_DEBUG("ois : %f > %ld return %f", size, fact.factor, current);
return current;
}
double current=0.0;
xbt_dynar_foreach(smpi_or_values, iter, fact) {
if (size <= fact.factor) {
- XBT_DEBUG("or : %lf <= %ld return %f", size, fact.factor, current);
+ XBT_DEBUG("or : %f <= %ld return %f", size, fact.factor, current);
return current;
}else
current=fact.values[0]+fact.values[1]*size;
}
- XBT_DEBUG("or : %lf > %ld return %f", size, fact.factor, current);
+ XBT_DEBUG("or : %f > %ld return %f", size, fact.factor, current);
return current;
}
MPI_Datatype datatype, int src, int dst,
int tag, MPI_Comm comm, unsigned flags)
{
- MPI_Request request;
+ MPI_Request request = NULL;
void *old_buf = NULL;
request->flags = flags;
request->detached = 0;
request->detached_sender = NULL;
+ request->real_src = 0;
request->truncated = 0;
request->real_size = 0;
MPI_Request smpi_mpi_send_init(void *buf, int count, MPI_Datatype datatype,
int dst, int tag, MPI_Comm comm)
{
- MPI_Request request =
- build_request(buf==MPI_BOTTOM ? (void*)0 : buf, count, datatype, smpi_process_index(), smpi_group_index(smpi_comm_group(comm), dst), tag,
- comm, PERSISTENT | SEND | PREPARED);
+ MPI_Request request = NULL; /* MC needs the comm to be set to NULL during the call */
+ request = build_request(buf==MPI_BOTTOM ? (void*)0 : buf, count, datatype, smpi_process_index(), smpi_group_index(smpi_comm_group(comm), dst), tag,
+ comm, PERSISTENT | SEND | PREPARED);
request->refcount++;
return request;
}
MPI_Request smpi_mpi_ssend_init(void *buf, int count, MPI_Datatype datatype,
int dst, int tag, MPI_Comm comm)
{
- MPI_Request request =
- build_request(buf==MPI_BOTTOM ? (void*)0 : buf, count, datatype, smpi_process_index(), smpi_group_index(smpi_comm_group(comm), dst), tag,
- comm, PERSISTENT | SSEND | SEND | PREPARED);
+ MPI_Request request = NULL; /* MC needs the comm to be set to NULL during the call */
+ request = build_request(buf==MPI_BOTTOM ? (void*)0 : buf, count, datatype, smpi_process_index(), smpi_group_index(smpi_comm_group(comm), dst), tag,
+ comm, PERSISTENT | SSEND | SEND | PREPARED);
request->refcount++;
return request;
}
MPI_Request smpi_mpi_recv_init(void *buf, int count, MPI_Datatype datatype,
int src, int tag, MPI_Comm comm)
{
- MPI_Request request =
- build_request(buf==MPI_BOTTOM ? (void*)0 : buf, count, datatype, src == MPI_ANY_SOURCE ? MPI_ANY_SOURCE : smpi_group_index(smpi_comm_group(comm), src), smpi_process_index(), tag,
- comm, PERSISTENT | RECV | PREPARED);
+ MPI_Request request = NULL; /* MC needs the comm to be set to NULL during the call */
+ request = build_request(buf==MPI_BOTTOM ? (void*)0 : buf, count, datatype, src == MPI_ANY_SOURCE ? MPI_ANY_SOURCE : smpi_group_index(smpi_comm_group(comm), src), smpi_process_index(), tag,
+ comm, PERSISTENT | RECV | PREPARED);
request->refcount++;
return request;
}
{
smx_rdv_t mailbox;
- xbt_assert(!request->action,
- "Cannot (re)start a non-finished communication");
- if(request->flags & PREPARED)request->flags &= ~PREPARED;
- if(request->flags & RECV) {
+ xbt_assert(!request->action, "Cannot (re)start a non-finished communication");
+ request->flags &= ~PREPARED;
+ if (request->flags & RECV) {
print_request("New recv", request);
+ //FIXME: if receive is posted with a large size, but send is smaller, mailboxes may not match !
if (request->size < sg_cfg_get_int("smpi/async_small_thres"))
mailbox = smpi_process_mailbox_small();
else
double sleeptime = request->detached ? smpi_or(request->size) : 0.0;
if(sleeptime!=0.0){
simcall_process_sleep(sleeptime);
- XBT_DEBUG("receiving size of %zu : sleep %lf ", request->size, smpi_or(request->size));
+ XBT_DEBUG("receiving size of %zu : sleep %f ", request->size, smpi_or(request->size));
}
} else {
#ifdef HAVE_TRACING
int rank = smpi_process_index();
if (TRACE_smpi_view_internals()) {
- TRACE_smpi_send(rank, rank, receiver);
+ TRACE_smpi_send(rank, rank, receiver,request->size);
}
#endif
/* if(receiver == MPI_UNDEFINED) {*/
if(sleeptime!=0.0){
simcall_process_sleep(sleeptime);
- XBT_DEBUG("sending size of %zu : sleep %lf ", request->size, smpi_os(request->size));
+ XBT_DEBUG("sending size of %zu : sleep %f ", request->size, smpi_os(request->size));
}
request->action =
void smpi_mpi_startall(int count, MPI_Request * requests)
{
int i;
+ if(requests==NULL) return;
for(i = 0; i < count; i++) {
smpi_mpi_start(requests[i]);
void smpi_mpi_request_free(MPI_Request * request)
{
-
if((*request) != MPI_REQUEST_NULL){
(*request)->refcount--;
if((*request)->refcount<0) xbt_die("wrong refcount");
MPI_Request smpi_isend_init(void *buf, int count, MPI_Datatype datatype,
int dst, int tag, MPI_Comm comm)
{
- MPI_Request request =
- build_request(buf==MPI_BOTTOM ? (void*)0 : buf , count, datatype, smpi_process_index(), smpi_group_index(smpi_comm_group(comm), dst), tag,
- comm, NON_PERSISTENT | SEND | PREPARED);
-
+ MPI_Request request = NULL; /* MC needs the comm to be set to NULL during the call */
+ request = build_request(buf==MPI_BOTTOM ? (void*)0 : buf , count, datatype, smpi_process_index(), smpi_group_index(smpi_comm_group(comm), dst), tag,
+ comm, NON_PERSISTENT | ISEND | SEND | PREPARED);
return request;
}
MPI_Request smpi_mpi_isend(void *buf, int count, MPI_Datatype datatype,
int dst, int tag, MPI_Comm comm)
{
- MPI_Request request =
- build_request(buf==MPI_BOTTOM?(void*)0:buf, count, datatype, smpi_process_index(), smpi_group_index(smpi_comm_group(comm), dst), tag,
- comm, NON_PERSISTENT | ISEND | SEND);
-
+ MPI_Request request = NULL; /* MC needs the comm to be set to NULL during the call */
+ request = build_request(buf==MPI_BOTTOM?(void*)0:buf, count, datatype, smpi_process_index(), smpi_group_index(smpi_comm_group(comm), dst), tag,
+ comm, NON_PERSISTENT | ISEND | SEND);
smpi_mpi_start(request);
return request;
}
MPI_Request smpi_mpi_issend(void *buf, int count, MPI_Datatype datatype,
int dst, int tag, MPI_Comm comm)
{
- MPI_Request request =
- build_request(buf==MPI_BOTTOM ? (void*)0 : buf, count, datatype, smpi_process_index(), smpi_group_index(smpi_comm_group(comm), dst), tag,
- comm, NON_PERSISTENT | ISEND | SSEND | SEND);
+ MPI_Request request = NULL; /* MC needs the comm to be set to NULL during the call */
+ request = build_request(buf==MPI_BOTTOM ? (void*)0 : buf, count, datatype, smpi_process_index(), smpi_group_index(smpi_comm_group(comm), dst), tag,
+ comm, NON_PERSISTENT | ISEND | SSEND | SEND);
smpi_mpi_start(request);
return request;
}
MPI_Request smpi_irecv_init(void *buf, int count, MPI_Datatype datatype,
int src, int tag, MPI_Comm comm)
{
- MPI_Request request =
- build_request(buf==MPI_BOTTOM ? (void*)0 : buf, count, datatype, src == MPI_ANY_SOURCE ? MPI_ANY_SOURCE : smpi_group_index(smpi_comm_group(comm), src), smpi_process_index(), tag,
- comm, NON_PERSISTENT | RECV | PREPARED);
+ MPI_Request request = NULL; /* MC needs the comm to be set to NULL during the call */
+ request = build_request(buf==MPI_BOTTOM ? (void*)0 : buf, count, datatype, src == MPI_ANY_SOURCE ? MPI_ANY_SOURCE : smpi_group_index(smpi_comm_group(comm), src), smpi_process_index(), tag,
+ comm, NON_PERSISTENT | RECV | PREPARED);
return request;
}
MPI_Request smpi_mpi_irecv(void *buf, int count, MPI_Datatype datatype,
int src, int tag, MPI_Comm comm)
{
- MPI_Request request =
- build_request(buf==MPI_BOTTOM ? (void*)0 : buf, count, datatype, src == MPI_ANY_SOURCE ? MPI_ANY_SOURCE : smpi_group_index(smpi_comm_group(comm), src), smpi_process_index(), tag,
- comm, NON_PERSISTENT | RECV);
-
+ MPI_Request request = NULL; /* MC needs the comm to be set to NULL during the call */
+ request = build_request(buf==MPI_BOTTOM ? (void*)0 : buf, count, datatype, src == MPI_ANY_SOURCE ? MPI_ANY_SOURCE : smpi_group_index(smpi_comm_group(comm), src), smpi_process_index(), tag,
+ comm, NON_PERSISTENT | RECV);
smpi_mpi_start(request);
return request;
}
void smpi_mpi_recv(void *buf, int count, MPI_Datatype datatype, int src,
int tag, MPI_Comm comm, MPI_Status * status)
{
- MPI_Request request;
+ MPI_Request request = NULL; /* MC needs the comm to be set to NULL during the call */
request = smpi_mpi_irecv(buf, count, datatype, src, tag, comm);
smpi_mpi_wait(&request, status);
+ request = NULL;
}
void smpi_mpi_send(void *buf, int count, MPI_Datatype datatype, int dst,
int tag, MPI_Comm comm)
{
- MPI_Request request =
- build_request(buf==MPI_BOTTOM ? (void*)0 : buf, count, datatype, smpi_process_index(), smpi_group_index(smpi_comm_group(comm), dst), tag,
- comm, NON_PERSISTENT | SEND);
+ MPI_Request request = NULL; /* MC needs the comm to be set to NULL during the call */
+ request = build_request(buf==MPI_BOTTOM ? (void*)0 : buf, count, datatype, smpi_process_index(), smpi_group_index(smpi_comm_group(comm), dst), tag,
+ comm, NON_PERSISTENT | SEND);
+
smpi_mpi_start(request);
smpi_mpi_wait(&request, MPI_STATUS_IGNORE);
-
+ request = NULL;
}
void smpi_mpi_ssend(void *buf, int count, MPI_Datatype datatype,
int dst, int tag, MPI_Comm comm)
{
- MPI_Request request =
- build_request(buf==MPI_BOTTOM ? (void*)0 : buf, count, datatype, smpi_process_index(), smpi_group_index(smpi_comm_group(comm), dst), tag,
- comm, NON_PERSISTENT | SSEND | SEND);
+ MPI_Request request = NULL; /* MC needs the comm to be set to NULL during the call */
+ request = build_request(buf==MPI_BOTTOM ? (void*)0 : buf, count, datatype, smpi_process_index(), smpi_group_index(smpi_comm_group(comm), dst), tag,
+ comm, NON_PERSISTENT | SSEND | SEND);
smpi_mpi_start(request);
smpi_mpi_wait(&request, MPI_STATUS_IGNORE);
+ request = NULL;
}
void smpi_mpi_sendrecv(void *sendbuf, int sendcount, MPI_Datatype sendtype,
static void finish_wait(MPI_Request * request, MPI_Status * status)
{
MPI_Request req = *request;
- if(status != MPI_STATUS_IGNORE)
- smpi_empty_status(status);
+ smpi_empty_status(status);
if(!(req->detached && req->flags & SEND) && !(req->flags & PREPARED)){
- if(status != MPI_STATUS_IGNORE) {
+ if(status != MPI_STATUS_IGNORE) {
int src = req->src == MPI_ANY_SOURCE ? req->real_src : req->src;
status->MPI_SOURCE = smpi_group_rank(smpi_comm_group(req->comm), src);
status->MPI_TAG = req->tag == MPI_ANY_TAG ? req->real_tag : req->tag;
MPI_Datatype datatype = req->old_type;
if(datatype->has_subtype == 1){
- // This part handles the problem of non-contignous memory
- // the unserialization at the reception
+ // This part handles the problem of non-contignous memory
+ // the unserialization at the reception
s_smpi_subtype_t *subtype = datatype->substruct;
if(req->flags & RECV) {
subtype->unserialize(req->buf, req->old_buf, req->real_size/smpi_datatype_size(datatype) , datatype->substruct);
}
#ifdef HAVE_TRACING
- if (TRACE_smpi_view_internals()) {
- if(req->flags & RECV){
- int rank = smpi_process_index();
- int src_traced = (req->src == MPI_ANY_SOURCE ? req->real_src : req->src);
- TRACE_smpi_recv(rank, src_traced, rank);
- }
+ if (TRACE_smpi_view_internals()) {
+ if(req->flags & RECV){
+ int rank = smpi_process_index();
+ int src_traced = (req->src == MPI_ANY_SOURCE ? req->real_src : req->src);
+ TRACE_smpi_recv(rank, src_traced, rank);
}
+ }
#endif
if(req->detached_sender!=NULL){
int flag;
//assume that request is not MPI_REQUEST_NULL (filtered in PMPI_Test or smpi_mpi_testall before)
- if ((*request)->action == NULL)
- flag = 1;
- else
- flag = simcall_comm_test((*request)->action);
- if(flag) {
- finish_wait(request, status);
- request=MPI_REQUEST_NULL;
- }else{
- smpi_empty_status(status);
+ smpi_empty_status(status);
+ flag = 1;
+ if (!((*request)->flags & PREPARED)) {
+ if ((*request)->action != NULL)
+ flag = simcall_comm_test((*request)->action);
+ if (flag) {
+ finish_wait(request, status);
+ *request = MPI_REQUEST_NULL;
+ }
}
return flag;
}
map = xbt_new(int, count);
size = 0;
for(i = 0; i < count; i++) {
- if((requests[i]!=MPI_REQUEST_NULL) && requests[i]->action) {
+ if ((requests[i] != MPI_REQUEST_NULL) && requests[i]->action &&
+ !(requests[i]->flags & PREPARED)) {
xbt_dynar_push(comms, &requests[i]->action);
map[size] = i;
size++;
if(i != -1) {
*index = map[i];
finish_wait(&requests[*index], status);
+ requests[*index] = MPI_REQUEST_NULL;
flag = 1;
}
}else{
int flag=1;
int i;
for(i=0; i<count; i++){
- if(requests[i]!= MPI_REQUEST_NULL){
+ if (requests[i] != MPI_REQUEST_NULL && !(requests[i]->flags & PREPARED)) {
if (smpi_mpi_test(&requests[i], pstat)!=1){
flag=0;
+ }else{
+ requests[i]=MPI_REQUEST_NULL;
}
}else{
smpi_empty_status(pstat);
void smpi_mpi_wait(MPI_Request * request, MPI_Status * status)
{
print_request("Waiting", *request);
+ if ((*request)->flags & PREPARED) {
+ smpi_empty_status(status);
+ return;
+ }
+
if ((*request)->action != NULL) { // this is not a detached send
simcall_comm_wait((*request)->action, -1.0);
}
- finish_wait(request, status);
+#ifdef HAVE_MC
+ if(MC_is_active())
+ (*request)->action->comm.dst_data = NULL; // dangling pointer : dst_data is freed with a wait, need to set it to NULL for system state comparison
+#endif
+
+ finish_wait(request, status);
+ *request = MPI_REQUEST_NULL;
// FIXME for a detached send, finish_wait is not called:
}
size = 0;
XBT_DEBUG("Wait for one of %d", count);
for(i = 0; i < count; i++) {
- if(requests[i] != MPI_REQUEST_NULL) {
+ if (requests[i] != MPI_REQUEST_NULL && !(requests[i]->flags & PREPARED)) {
if (requests[i]->action != NULL) {
XBT_DEBUG("Waiting any %p ", requests[i]);
xbt_dynar_push(comms, &requests[i]->action);
if (i != -1) {
index = map[i];
finish_wait(&requests[index], status);
+ requests[index] = MPI_REQUEST_NULL;
}
}
xbt_free(map);
//tag invalid requests in the set
if (status != MPI_STATUSES_IGNORE) {
for (c = 0; c < count; c++) {
- if (requests[c] == MPI_REQUEST_NULL || requests[c]->dst == MPI_PROC_NULL) {
+ if (requests[c] == MPI_REQUEST_NULL || requests[c]->dst == MPI_PROC_NULL ||
+ (requests[c]->flags & PREPARED)) {
smpi_empty_status(&status[c]);
} else if (requests[c]->src == MPI_PROC_NULL) {
smpi_empty_status(&status[c]);
for(i = 0; i < incount; i++) {
if((requests[i] != MPI_REQUEST_NULL)) {
if(smpi_mpi_test(&requests[i], pstat)) {
- indices[count] = i;
+ indices[i] = 1;
count++;
if(status != MPI_STATUSES_IGNORE) {
status[i] = *pstat;
// FIXME: check for errors
smpi_datatype_extent(sendtype, &lb, &sendext);
// Local copy from root
- smpi_datatype_copy((char *)sendbuf + root * sendcount * sendext,
- sendcount, sendtype, recvbuf, recvcount, recvtype);
+ if(recvbuf!=MPI_IN_PLACE){
+ smpi_datatype_copy((char *)sendbuf + root * sendcount * sendext,
+ sendcount, sendtype, recvbuf, recvcount, recvtype);
+ }
// Send buffers to receivers
requests = xbt_new(MPI_Request, size - 1);
index = 0;
// FIXME: check for errors
smpi_datatype_extent(sendtype, &lb, &sendext);
// Local copy from root
- smpi_datatype_copy((char *)sendbuf + displs[root] * sendext, sendcounts[root],
+ if(recvbuf!=MPI_IN_PLACE){
+ smpi_datatype_copy((char *)sendbuf + displs[root] * sendext, sendcounts[root],
sendtype, recvbuf, recvcount, recvtype);
+ }
// Send buffers to receivers
requests = xbt_new(MPI_Request, size - 1);
index = 0;
MPI_Request *requests;
void **tmpbufs;
+
char* sendtmpbuf = (char*) sendbuf;
if( sendbuf == MPI_IN_PLACE ) {
- sendtmpbuf = (char *)recvbuf;
+ sendtmpbuf = (char *)xbt_malloc(count*smpi_datatype_get_extent(datatype));
+ smpi_datatype_copy(recvbuf, count, datatype,sendtmpbuf, count, datatype);
}
rank = smpi_comm_rank(comm);
}
xbt_free(tmpbufs);
xbt_free(requests);
+
+ if( sendbuf == MPI_IN_PLACE ) {
+ xbt_free(sendtmpbuf);
+ }
}
}
