X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/15220d2486268d4eac7e25aac434a9139fb2a187..0afab0e550e09d35a4aaaae802c7f2ea17d2b860:/src/smpi/smpi_base.c diff --git a/src/smpi/smpi_base.c b/src/smpi/smpi_base.c index 28566f5b11..1387109e0e 100644 --- a/src/smpi/smpi_base.c +++ b/src/smpi/smpi_base.c @@ -2,7 +2,7 @@ * All rights reserved. */ /* This program is free software; you can redistribute it and/or modify it - * under the terms of the license (GNU LGPL) which comes with this package. */ + * under the terms of the license (GNU LGPL) which comes with this package. */ #include "private.h" #include "xbt/time.h" @@ -11,23 +11,25 @@ #include #include "surf/surf.h" -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_base, smpi, - "Logging specific to SMPI (base)"); + +XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_base, smpi, "Logging specific to SMPI (base)"); + static int match_recv(void* a, void* b, smx_action_t ignored) { MPI_Request ref = (MPI_Request)a; MPI_Request req = (MPI_Request)b; + XBT_DEBUG("Trying to match a recv of src %d against %d, tag %d against %d",ref->src,req->src, ref->tag, req->tag); - xbt_assert(ref, "Cannot match recv against null reference"); - xbt_assert(req, "Cannot match recv against null request"); - return (ref->src == MPI_ANY_SOURCE || req->src == ref->src) - && (ref->tag == MPI_ANY_TAG || req->tag == ref->tag); + xbt_assert(ref, "Cannot match recv against null reference"); + xbt_assert(req, "Cannot match recv against null request"); + return (ref->src == MPI_ANY_SOURCE || req->src == ref->src) + && (ref->tag == MPI_ANY_TAG || req->tag == ref->tag); } static int match_send(void* a, void* b,smx_action_t ignored) { MPI_Request ref = (MPI_Request)a; MPI_Request req = (MPI_Request)b; - + XBT_DEBUG("Trying to match a send of src %d against %d, tag %d against %d",ref->src,req->src, ref->tag, req->tag); xbt_assert(ref, "Cannot match send against null reference"); xbt_assert(req, "Cannot match send against null request"); return (req->src == MPI_ANY_SOURCE || req->src == ref->src) @@ -40,9 +42,27 @@ static MPI_Request build_request(void *buf, int count, { MPI_Request request; + void *old_buf; + request = xbt_new(s_smpi_mpi_request_t, 1); + + s_smpi_subtype_t *subtype = datatype->substruct; + + if(datatype->has_subtype == 1){ + // This part handles the problem of non-contignous memory + old_buf = buf; + buf = malloc(count*smpi_datatype_size(datatype)); + if (flags & SEND) { + subtype->serialize(old_buf, buf, count, datatype->substruct); + } + } + request->buf = buf; - // FIXME: this will have to be changed to support non-contiguous datatypes + // This part handles the problem of non-contignous memory (for the + // unserialisation at the reception) + request->old_buf = old_buf; + request->old_type = datatype; + request->size = smpi_datatype_size(datatype) * count; request->src = src; request->dst = dst; @@ -57,6 +77,15 @@ static MPI_Request build_request(void *buf, int count, return request; } + +void smpi_empty_status(MPI_Status * status) { + if(status != MPI_STATUS_IGNORE) { + status->MPI_SOURCE=MPI_ANY_SOURCE; + status->MPI_TAG=MPI_ANY_TAG; + status->count=0; + } +} + void smpi_action_trace_run(char *path) { char *name; @@ -67,12 +96,12 @@ void smpi_action_trace_run(char *path) if (path) { action_fp = fopen(path, "r"); xbt_assert(action_fp != NULL, "Cannot open %s: %s", path, - strerror(errno)); + strerror(errno)); } if (!xbt_dict_is_empty(action_queues)) { XBT_WARN - ("Not all actions got consumed. If the simulation ended successfully (without deadlock), you may want to add new processes to your deployment file."); + ("Not all actions got consumed. If the simulation ended successfully (without deadlock), you may want to add new processes to your deployment file."); xbt_dict_foreach(action_queues, cursor, name, todo) { @@ -97,8 +126,8 @@ 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, count, datatype, smpi_comm_rank(comm), dst, tag, - comm, PERSISTENT | SEND); + build_request(buf, count, datatype, smpi_comm_rank(comm), dst, tag, + comm, PERSISTENT | SEND); return request; } @@ -107,8 +136,8 @@ 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, count, datatype, src, smpi_comm_rank(comm), tag, - comm, PERSISTENT | RECV); + build_request(buf, count, datatype, src, smpi_comm_rank(comm), tag, + comm, PERSISTENT | RECV); return request; } @@ -119,26 +148,25 @@ void smpi_mpi_start(MPI_Request request) int detached = 0; xbt_assert(!request->action, - "Cannot (re)start a non-finished communication"); + "Cannot (re)start a non-finished communication"); if(request->flags & RECV) { print_request("New recv", request); if (request->size < xbt_cfg_get_int(_surf_cfg_set, "smpi/async_small_thres")) - mailbox = smpi_process_mailbox_small(); + mailbox = smpi_process_mailbox_small(); else - mailbox = smpi_process_mailbox(); + mailbox = smpi_process_mailbox(); // FIXME: SIMIX does not yet support non-contiguous datatypes request->action = simcall_comm_irecv(mailbox, request->buf, &request->size, &match_recv, request); } else { print_request("New send", request); - - if (request->size < xbt_cfg_get_int(_surf_cfg_set, "smpi/async_small_thres")) { // eager mode => detached send (FIXME: this limit should be configurable) + if (request->size < xbt_cfg_get_int(_surf_cfg_set, "smpi/async_small_thres")) { // eager mode mailbox = smpi_process_remote_mailbox_small( - smpi_group_index(smpi_comm_group(request->comm), request->dst)); + smpi_group_index(smpi_comm_group(request->comm), request->dst)); }else{ XBT_DEBUG("Send request %p is not in the permanent receive mailbox (buf: %p)",request,request->buf); mailbox = smpi_process_remote_mailbox( - smpi_group_index(smpi_comm_group(request->comm), request->dst)); + smpi_group_index(smpi_comm_group(request->comm), request->dst)); } if (request->size < 64*1024 ) { //(FIXME: this limit should be configurable) void *oldbuf = request->buf; @@ -149,28 +177,28 @@ void smpi_mpi_start(MPI_Request request) XBT_DEBUG("Send request %p is detached; buf %p copied into %p",request,oldbuf,request->buf); } - request->action = + request->action = simcall_comm_isend(mailbox, request->size, -1.0, - request->buf, request->size, - &match_send, - &smpi_mpi_request_free_voidp, // how to free the userdata if a detached send fails - request, - // detach if msg size < eager/rdv switch limit - detached); - - #ifdef HAVE_TRACING - /* FIXME: detached sends are not traceable (request->action == NULL) */ - if (request->action) - simcall_set_category(request->action, TRACE_internal_smpi_get_category()); - #endif + request->buf, request->size, + &match_send, + &smpi_mpi_request_free_voidp, // how to free the userdata if a detached send fails + request, + // detach if msg size < eager/rdv switch limit + detached); - } +#ifdef HAVE_TRACING + /* FIXME: detached sends are not traceable (request->action == NULL) */ + if (request->action) + simcall_set_category(request->action, TRACE_internal_smpi_get_category()); +#endif + + } } void smpi_mpi_startall(int count, MPI_Request * requests) { - int i; + int i; for(i = 0; i < count; i++) { smpi_mpi_start(requests[i]); @@ -187,8 +215,8 @@ 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, count, datatype, smpi_comm_rank(comm), dst, tag, - comm, NON_PERSISTENT | SEND); + build_request(buf, count, datatype, smpi_comm_rank(comm), dst, tag, + comm, NON_PERSISTENT | SEND); return request; } @@ -197,7 +225,7 @@ MPI_Request smpi_mpi_isend(void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm) { MPI_Request request = - smpi_isend_init(buf, count, datatype, dst, tag, comm); + smpi_isend_init(buf, count, datatype, dst, tag, comm); smpi_mpi_start(request); return request; @@ -207,9 +235,8 @@ 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, count, datatype, src, smpi_comm_rank(comm), tag, - comm, NON_PERSISTENT | RECV); - + build_request(buf, count, datatype, src, smpi_comm_rank(comm), tag, + comm, NON_PERSISTENT | RECV); return request; } @@ -217,7 +244,7 @@ MPI_Request smpi_mpi_irecv(void *buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm) { MPI_Request request = - smpi_irecv_init(buf, count, datatype, src, tag, comm); + smpi_irecv_init(buf, count, datatype, src, tag, comm); smpi_mpi_start(request); return request; @@ -227,7 +254,6 @@ void smpi_mpi_recv(void *buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm, MPI_Status * status) { MPI_Request request; - request = smpi_mpi_irecv(buf, count, datatype, src, tag, comm); smpi_mpi_wait(&request, status); } @@ -237,10 +263,10 @@ void smpi_mpi_recv(void *buf, int count, MPI_Datatype datatype, int src, void smpi_mpi_send(void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm) { - MPI_Request request; + MPI_Request request; - request = smpi_mpi_isend(buf, count, datatype, dst, tag, comm); - smpi_mpi_wait(&request, MPI_STATUS_IGNORE); + request = smpi_mpi_isend(buf, count, datatype, dst, tag, comm); + smpi_mpi_wait(&request, MPI_STATUS_IGNORE); } void smpi_mpi_sendrecv(void *sendbuf, int sendcount, MPI_Datatype sendtype, @@ -252,9 +278,9 @@ void smpi_mpi_sendrecv(void *sendbuf, int sendcount, MPI_Datatype sendtype, MPI_Status stats[2]; requests[0] = - smpi_isend_init(sendbuf, sendcount, sendtype, dst, sendtag, comm); + smpi_isend_init(sendbuf, sendcount, sendtype, dst, sendtag, comm); requests[1] = - smpi_irecv_init(recvbuf, recvcount, recvtype, src, recvtag, comm); + smpi_irecv_init(recvbuf, recvcount, recvtype, src, recvtag, comm); smpi_mpi_startall(2, requests); smpi_mpi_waitall(2, requests, stats); if(status != MPI_STATUS_IGNORE) { @@ -273,7 +299,7 @@ static void finish_wait(MPI_Request * request, MPI_Status * status) MPI_Request req = *request; // if we have a sender, we should use its data, and not the data from the receive if((req->action)&& - (req->src==MPI_ANY_SOURCE || req->tag== MPI_ANY_TAG)) + (req->src==MPI_ANY_SOURCE || req->tag== MPI_ANY_TAG)) req = (MPI_Request)SIMIX_comm_get_src_data((*request)->action); if(status != MPI_STATUS_IGNORE) { @@ -287,6 +313,19 @@ static void finish_wait(MPI_Request * request, MPI_Status * status) req = *request; print_request("Finishing", req); + 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 + s_smpi_subtype_t *subtype = datatype->substruct; + if(req->flags & RECV) { + subtype->unserialize(req->buf, req->old_buf, req->size/smpi_datatype_size(datatype) , datatype->substruct); + } + //FIXME: I am not sure that if the send is detached we have to free + //the sender buffer thus I do it only for the reciever + if(req->flags & RECV) free(req->buf); + } + if(req->flags & NON_PERSISTENT) { smpi_mpi_request_free(request); } else { @@ -295,16 +334,19 @@ static void finish_wait(MPI_Request * request, MPI_Status * status) } int smpi_mpi_test(MPI_Request * request, MPI_Status * status) { -int flag; + int flag; - if ((*request)->action == NULL) - flag = 1; - else + //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) { - smpi_mpi_wait(request, status); - } - return flag; + if(flag) { + finish_wait(request, status); + }else{ + smpi_empty_status(status); + } + return flag; } int smpi_mpi_testany(int count, MPI_Request requests[], int *index, @@ -321,7 +363,7 @@ int smpi_mpi_testany(int count, MPI_Request requests[], int *index, map = xbt_new(int, count); size = 0; for(i = 0; i < count; i++) { - if(requests[i]->action) { + if((requests[i]!=MPI_REQUEST_NULL) && requests[i]->action) { xbt_dynar_push(comms, &requests[i]->action); map[size] = i; size++; @@ -329,16 +371,44 @@ int smpi_mpi_testany(int count, MPI_Request requests[], int *index, } if(size > 0) { i = simcall_comm_testany(comms); - // FIXME: MPI_UNDEFINED or does SIMIX have a return code? - if(i != MPI_UNDEFINED) { + // not MPI_UNDEFINED, as this is a simix return code + if(i != -1) { *index = map[i]; - smpi_mpi_wait(&requests[*index], status); + finish_wait(&requests[*index], status); flag = 1; } + }else{ + //all requests are null or inactive, return true + flag=1; + smpi_empty_status(status); } xbt_free(map); xbt_dynar_free(&comms); } + + return flag; +} + + +int smpi_mpi_testall(int count, MPI_Request requests[], + MPI_Status status[]) +{ + MPI_Status stat; + MPI_Status *pstat = status == MPI_STATUSES_IGNORE ? MPI_STATUS_IGNORE : &stat; + int flag=1; + int i; + for(i=0; i0){ mailbox = smpi_process_mailbox_small(); + XBT_DEBUG("trying to probe the perm recv mailbox"); request->action = simcall_comm_iprobe(mailbox, request->src, request->tag, &match_recv, (void*)request); - } if (request->action==NULL){ mailbox = smpi_process_mailbox(); + XBT_DEBUG("trying to probe the other mailbox"); request->action = simcall_comm_iprobe(mailbox, request->src, request->tag, &match_recv, (void*)request); } @@ -386,8 +456,9 @@ MPI_Request smpi_mpi_iprobe(int source, int tag, MPI_Comm comm, int* flag, MPI_S } } else *flag=false; + smpi_mpi_request_free(&request); - return request; + return; } void smpi_mpi_wait(MPI_Request * request, MPI_Status * status) @@ -425,38 +496,54 @@ int smpi_mpi_waitany(int count, MPI_Request requests[], if(size > 0) { i = simcall_comm_waitany(comms); - // FIXME: MPI_UNDEFINED or does SIMIX have a return code? - if (i != MPI_UNDEFINED) { + // not MPI_UNDEFINED, as this is a simix return code + if (i != -1) { index = map[i]; finish_wait(&requests[index], status); - } } xbt_free(map); xbt_dynar_free(&comms); } + + if (index==MPI_UNDEFINED) + smpi_empty_status(status); + return index; } void smpi_mpi_waitall(int count, MPI_Request requests[], MPI_Status status[]) { - int index, c; + int index, c; MPI_Status stat; - MPI_Status *pstat = status == MPI_STATUS_IGNORE ? MPI_STATUS_IGNORE : &stat; - + MPI_Status *pstat = status == MPI_STATUSES_IGNORE ? MPI_STATUS_IGNORE : &stat; + //tag invalid requests in the set for(c = 0; c < count; c++) { - if(MC_IS_ENABLED) { - smpi_mpi_wait(&requests[c], pstat); - index = c; - } else { - index = smpi_mpi_waitany(count, requests, pstat); - if(index == MPI_UNDEFINED) { - break; + if(requests[c]==MPI_REQUEST_NULL || requests[c]->dst == MPI_PROC_NULL ){ + if(status != MPI_STATUSES_IGNORE) + smpi_empty_status(&status[c]); + }else if(requests[c]->src == MPI_PROC_NULL ){ + if(status != MPI_STATUSES_IGNORE) { + smpi_empty_status(&status[c]); + status[c].MPI_SOURCE=MPI_PROC_NULL; } } - if(status != MPI_STATUS_IGNORE) { - memcpy(&status[index], pstat, sizeof(*pstat)); + } + + for(c = 0; c < count; c++) { + if(MC_IS_ENABLED) { + smpi_mpi_wait(&requests[c], pstat); + index = c; + } else { + index = smpi_mpi_waitany(count, requests, pstat); + if(index == MPI_UNDEFINED) { + break; + } + if(status != MPI_STATUSES_IGNORE) { + memcpy(&status[index], pstat, sizeof(*pstat)); + + } } } } @@ -465,17 +552,51 @@ int smpi_mpi_waitsome(int incount, MPI_Request requests[], int *indices, MPI_Status status[]) { int i, count, index; + MPI_Status stat; + MPI_Status *pstat = status == MPI_STATUSES_IGNORE ? MPI_STATUS_IGNORE : &stat; count = 0; - for(i = 0; i < incount; i++) { - if(smpi_mpi_testany(incount, requests, &index, status)) { - indices[count] = index; - count++; - } + for(i = 0; i < incount; i++) + { + index=smpi_mpi_waitany(incount, requests, pstat); + if(index!=MPI_UNDEFINED){ + indices[count] = index; + count++; + if(status != MPI_STATUSES_IGNORE) { + memcpy(&status[index], pstat, sizeof(*pstat)); + } + }else{ + return MPI_UNDEFINED; + } } return count; } +int smpi_mpi_testsome(int incount, MPI_Request requests[], int *indices, + MPI_Status status[]) +{ + int i, count, count_dead; + MPI_Status stat; + MPI_Status *pstat = status == MPI_STATUSES_IGNORE ? MPI_STATUS_IGNORE : &stat; + + count = 0; + for(i = 0; i < incount; i++) { + if((requests[i] != MPI_REQUEST_NULL)) { + if(smpi_mpi_test(&requests[i], pstat)) { + indices[count] = i; + count++; + if(status != MPI_STATUSES_IGNORE) { + memcpy(&status[i], pstat, sizeof(*pstat)); + } + } + }else{ + count_dead++; + } + } + if(count_dead==incount)return MPI_UNDEFINED; + else return count; +} + void smpi_mpi_bcast(void *buf, int count, MPI_Datatype datatype, int root, MPI_Comm comm) { @@ -507,15 +628,15 @@ void smpi_mpi_gather(void *sendbuf, int sendcount, MPI_Datatype sendtype, // FIXME: check for errors smpi_datatype_extent(recvtype, &lb, &recvext); // Local copy from root - smpi_datatype_copy(sendbuf, sendcount, sendtype, - (char *)recvbuf + root * recvcount * recvext, recvcount, recvtype); + smpi_datatype_copy(sendbuf, sendcount, sendtype, + (char *)recvbuf + root * recvcount * recvext, recvcount, recvtype); // Receive buffers from senders requests = xbt_new(MPI_Request, size - 1); index = 0; for(src = 0; src < size; src++) { if(src != root) { - requests[index] = smpi_irecv_init((char *)recvbuf + src * recvcount * recvext, - recvcount, recvtype, + requests[index] = smpi_irecv_init((char *)recvbuf + src * recvcount * recvext, + recvcount, recvtype, src, system_tag, comm); index++; } @@ -545,8 +666,8 @@ void smpi_mpi_gatherv(void *sendbuf, int sendcount, MPI_Datatype sendtype, // FIXME: check for errors smpi_datatype_extent(recvtype, &lb, &recvext); // Local copy from root - smpi_datatype_copy(sendbuf, sendcount, sendtype, - (char *)recvbuf + displs[root] * recvext, + smpi_datatype_copy(sendbuf, sendcount, sendtype, + (char *)recvbuf + displs[root] * recvext, recvcounts[root], recvtype); // Receive buffers from senders requests = xbt_new(MPI_Request, size - 1); @@ -554,8 +675,8 @@ void smpi_mpi_gatherv(void *sendbuf, int sendcount, MPI_Datatype sendtype, for(src = 0; src < size; src++) { if(src != root) { requests[index] = - smpi_irecv_init((char *)recvbuf + displs[src] * recvext, - recvcounts[src], recvtype, src, system_tag, comm); + smpi_irecv_init((char *)recvbuf + displs[src] * recvext, + recvcounts[src], recvtype, src, system_tag, comm); index++; } } @@ -581,8 +702,8 @@ void smpi_mpi_allgather(void *sendbuf, int sendcount, // FIXME: check for errors smpi_datatype_extent(recvtype, &lb, &recvext); // Local copy from self - smpi_datatype_copy(sendbuf, sendcount, sendtype, - (char *)recvbuf + rank * recvcount * recvext, recvcount, + smpi_datatype_copy(sendbuf, sendcount, sendtype, + (char *)recvbuf + rank * recvcount * recvext, recvcount, recvtype); // Send/Recv buffers to/from others; requests = xbt_new(MPI_Request, 2 * (size - 1)); @@ -590,11 +711,11 @@ void smpi_mpi_allgather(void *sendbuf, int sendcount, for(other = 0; other < size; other++) { if(other != rank) { requests[index] = - smpi_isend_init(sendbuf, sendcount, sendtype, other, system_tag, - comm); + smpi_isend_init(sendbuf, sendcount, sendtype, other, system_tag, + comm); index++; - requests[index] = smpi_irecv_init((char *)recvbuf + other * recvcount * recvext, - recvcount, recvtype, other, + requests[index] = smpi_irecv_init((char *)recvbuf + other * recvcount * recvext, + recvcount, recvtype, other, system_tag, comm); index++; } @@ -620,8 +741,8 @@ void smpi_mpi_allgatherv(void *sendbuf, int sendcount, // FIXME: check for errors smpi_datatype_extent(recvtype, &lb, &recvext); // Local copy from self - smpi_datatype_copy(sendbuf, sendcount, sendtype, - (char *)recvbuf + displs[rank] * recvext, + smpi_datatype_copy(sendbuf, sendcount, sendtype, + (char *)recvbuf + displs[rank] * recvext, recvcounts[rank], recvtype); // Send buffers to others; requests = xbt_new(MPI_Request, 2 * (size - 1)); @@ -629,12 +750,12 @@ void smpi_mpi_allgatherv(void *sendbuf, int sendcount, for(other = 0; other < size; other++) { if(other != rank) { requests[index] = - smpi_isend_init(sendbuf, sendcount, sendtype, other, system_tag, - comm); + smpi_isend_init(sendbuf, sendcount, sendtype, other, system_tag, + comm); index++; requests[index] = - smpi_irecv_init((char *)recvbuf + displs[other] * recvext, recvcounts[other], - recvtype, other, system_tag, comm); + smpi_irecv_init((char *)recvbuf + displs[other] * recvext, recvcounts[other], + recvtype, other, system_tag, comm); index++; } } @@ -664,13 +785,13 @@ void smpi_mpi_scatter(void *sendbuf, int sendcount, MPI_Datatype sendtype, smpi_datatype_extent(sendtype, &lb, &sendext); // Local copy from root smpi_datatype_copy((char *)sendbuf + root * sendcount * sendext, - sendcount, sendtype, recvbuf, recvcount, recvtype); + sendcount, sendtype, recvbuf, recvcount, recvtype); // Send buffers to receivers requests = xbt_new(MPI_Request, size - 1); index = 0; for(dst = 0; dst < size; dst++) { if(dst != root) { - requests[index] = smpi_isend_init((char *)sendbuf + dst * sendcount * sendext, + requests[index] = smpi_isend_init((char *)sendbuf + dst * sendcount * sendext, sendcount, sendtype, dst, system_tag, comm); index++; @@ -702,7 +823,7 @@ void smpi_mpi_scatterv(void *sendbuf, int *sendcounts, int *displs, // FIXME: check for errors smpi_datatype_extent(sendtype, &lb, &sendext); // Local copy from root - smpi_datatype_copy((char *)sendbuf + displs[root] * sendext, sendcounts[root], + 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); @@ -710,8 +831,8 @@ void smpi_mpi_scatterv(void *sendbuf, int *sendcounts, int *displs, for(dst = 0; dst < size; dst++) { if(dst != root) { requests[index] = - smpi_isend_init((char *)sendbuf + displs[dst] * sendext, sendcounts[dst], - sendtype, dst, system_tag, comm); + smpi_isend_init((char *)sendbuf + displs[dst] * sendext, sendcounts[dst], + sendtype, dst, system_tag, comm); index++; } } @@ -754,8 +875,8 @@ void smpi_mpi_reduce(void *sendbuf, void *recvbuf, int count, // mapping... tmpbufs[index] = xbt_malloc(count * dataext); requests[index] = - smpi_irecv_init(tmpbufs[index], count, datatype, src, - system_tag, comm); + smpi_irecv_init(tmpbufs[index], count, datatype, src, + system_tag, comm); index++; } } @@ -763,7 +884,7 @@ void smpi_mpi_reduce(void *sendbuf, void *recvbuf, int count, smpi_mpi_startall(size - 1, requests); for(src = 0; src < size - 1; src++) { index = smpi_mpi_waitany(size - 1, requests, MPI_STATUS_IGNORE); - XBT_VERB("finished waiting any request with index %d", index); + XBT_DEBUG("finished waiting any request with index %d", index); if(index == MPI_UNDEFINED) { break; } @@ -808,17 +929,17 @@ void smpi_mpi_scan(void *sendbuf, void *recvbuf, int count, tmpbufs = xbt_new(void *, rank); index = 0; for(other = 0; other < rank; other++) { - // FIXME: possibly overkill we we have contiguous/noncontiguous data + // FIXME: possibly overkill we we have contiguous/noncontiguous data // mapping... tmpbufs[index] = xbt_malloc(count * dataext); requests[index] = - smpi_irecv_init(tmpbufs[index], count, datatype, other, system_tag, - comm); + smpi_irecv_init(tmpbufs[index], count, datatype, other, system_tag, + comm); index++; } for(other = rank + 1; other < size; other++) { requests[index] = - smpi_isend_init(sendbuf, count, datatype, other, system_tag, comm); + smpi_isend_init(sendbuf, count, datatype, other, system_tag, comm); index++; } // Wait for completion of all comms.