X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/8cef00b18f68304c259dcae04a052d8414ad101e..e04e3ae8fec7cb28eef7705e4aebf2370e6fdd6a:/src/smpi/mpi/smpi_request.cpp

diff --git a/src/smpi/mpi/smpi_request.cpp b/src/smpi/mpi/smpi_request.cpp
index c5e7c52d5f..6011cd72e6 100644
--- a/src/smpi/mpi/smpi_request.cpp
+++ b/src/smpi/mpi/smpi_request.cpp
@@ -50,7 +50,7 @@ Request::Request(const void* buf, int count, MPI_Datatype datatype, int src, int
       }
     }
   }
-  // This part handles the problem of non-contiguous memory (for the unserialisation at the reception)
+  // This part handles the problem of non-contiguous memory (for the unserialization at the reception)
   old_buf_  = old_buf;
   size_ = datatype->size() * count;
   datatype->ref();
@@ -108,7 +108,7 @@ void Request::unref(MPI_Request* request)
   }
 }
 
-int Request::match_recv(void* a, void* b, simgrid::kernel::activity::CommImpl*)
+bool Request::match_recv(void* a, void* b, simgrid::kernel::activity::CommImpl*)
 {
   MPI_Request ref = static_cast<MPI_Request>(a);
   MPI_Request req = static_cast<MPI_Request>(b);
@@ -129,13 +129,14 @@ int Request::match_recv(void* a, void* b, simgrid::kernel::activity::CommImpl*)
     if (req->detached_)
       ref->detached_sender_=req; //tie the sender to the receiver, as it is detached and has to be freed in the receiver
     if(req->cancelled_==0)
-      req->cancelled_=-1;//mark as uncancellable
+      req->cancelled_ = -1; // mark as uncancelable
     XBT_DEBUG("match succeeded");
-    return 1;
-  }else return 0;
+    return true;
+  }
+  return false;
 }
 
-int Request::match_send(void* a, void* b, simgrid::kernel::activity::CommImpl*)
+bool Request::match_send(void* a, void* b, simgrid::kernel::activity::CommImpl*)
 {
   MPI_Request ref = static_cast<MPI_Request>(a);
   MPI_Request req = static_cast<MPI_Request>(b);
@@ -155,11 +156,11 @@ int Request::match_send(void* a, void* b, simgrid::kernel::activity::CommImpl*)
     if (ref->detached_)
       req->detached_sender_=ref; //tie the sender to the receiver, as it is detached and has to be freed in the receiver
     if(req->cancelled_==0)
-      req->cancelled_=-1;//mark as uncancellable
+      req->cancelled_ = -1; // mark as uncancelable
     XBT_DEBUG("match succeeded");
-    return 1;
-  } else
-    return 0;
+    return true;
+  }
+  return false;
 }
 
 void Request::print_request(const char *message)
@@ -168,11 +169,9 @@ void Request::print_request(const char *message)
        message, this, buf_, size_, src_, dst_, tag_, flags_);
 }
 
-
 /* factories, to hide the internal flags from the caller */
 MPI_Request Request::bsend_init(const void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm)
 {
-
   return new Request(buf == MPI_BOTTOM ? nullptr : buf, count, datatype, simgrid::s4u::this_actor::get_pid(),
                      comm->group()->actor(dst)->get_pid(), tag, comm,
                      MPI_REQ_PERSISTENT | MPI_REQ_SEND | MPI_REQ_PREPARED | MPI_REQ_BSEND);
@@ -180,7 +179,6 @@ MPI_Request Request::bsend_init(const void *buf, int count, MPI_Datatype datatyp
 
 MPI_Request Request::send_init(const void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm)
 {
-
   return new Request(buf == MPI_BOTTOM ? nullptr : buf, count, datatype, simgrid::s4u::this_actor::get_pid(),
                      comm->group()->actor(dst)->get_pid(), tag, comm,
                      MPI_REQ_PERSISTENT | MPI_REQ_SEND | MPI_REQ_PREPARED);
@@ -376,15 +374,13 @@ void Request::start()
 
     simgrid::smpi::ActorExt* process = smpi_process_remote(simgrid::s4u::Actor::by_pid(dst_));
 
-    int async_small_thresh = simgrid::config::get_value<int>("smpi/async-small-thresh");
-
     simgrid::s4u::MutexPtr mut = process->mailboxes_mutex();
-    if (async_small_thresh != 0 || (flags_ & MPI_REQ_RMA) != 0)
+    if (smpi_cfg_async_small_thresh() != 0 || (flags_ & MPI_REQ_RMA) != 0)
       mut->lock();
 
-    if (async_small_thresh == 0 && (flags_ & MPI_REQ_RMA) == 0) {
+    if (smpi_cfg_async_small_thresh() == 0 && (flags_ & MPI_REQ_RMA) == 0) {
       mailbox = process->mailbox();
-    } else if (((flags_ & MPI_REQ_RMA) != 0) || static_cast<int>(size_) < async_small_thresh) {
+    } else if (((flags_ & MPI_REQ_RMA) != 0) || static_cast<int>(size_) < smpi_cfg_async_small_thresh()) {
       //We have to check both mailboxes (because SSEND messages are sent to the large mbox).
       //begin with the more appropriate one : the small one.
       mailbox = process->mailbox_small();
@@ -423,7 +419,7 @@ void Request::start()
         process->replaying() ? &smpi_comm_null_copy_buffer_callback : smpi_comm_copy_data_callback, this, -1.0);
     XBT_DEBUG("recv simcall posted");
 
-    if (async_small_thresh != 0 || (flags_ & MPI_REQ_RMA) != 0)
+    if (smpi_cfg_async_small_thresh() != 0 || (flags_ & MPI_REQ_RMA) != 0)
       mut->unlock();
   } else { /* the RECV flag was not set, so this is a send */
     simgrid::smpi::ActorExt* process = smpi_process_remote(simgrid::s4u::Actor::by_pid(dst_));
@@ -437,7 +433,7 @@ void Request::start()
     void* buf = buf_;
     if ((flags_ & MPI_REQ_SSEND) == 0 &&
         ((flags_ & MPI_REQ_RMA) != 0 || (flags_ & MPI_REQ_BSEND) != 0 ||
-         static_cast<int>(size_) < simgrid::config::get_value<int>("smpi/send-is-detached-thresh"))) {
+         static_cast<int>(size_) < smpi_cfg_detached_send_thresh())) {
       void *oldbuf = nullptr;
       detached_    = true;
       XBT_DEBUG("Send request %p is detached", this);
@@ -445,7 +441,7 @@ void Request::start()
       if (not(old_type_->flags() & DT_FLAG_DERIVED)) {
         oldbuf = buf_;
         if (not process->replaying() && oldbuf != nullptr && size_ != 0) {
-          if ((smpi_privatize_global_variables != SmpiPrivStrategies::NONE) &&
+          if ((smpi_cfg_privatization() != SmpiPrivStrategies::NONE) &&
               (static_cast<char*>(buf_) >= smpi_data_exe_start) &&
               (static_cast<char*>(buf_) < smpi_data_exe_start + smpi_data_exe_size)) {
             XBT_DEBUG("Privatization : We are sending from a zone inside global memory. Switch data segment ");
@@ -474,16 +470,14 @@ void Request::start()
       XBT_DEBUG("sending size of %zu : sleep %f ", size_, sleeptime);
     }
 
-    int async_small_thresh = simgrid::config::get_value<int>("smpi/async-small-thresh");
-
     simgrid::s4u::MutexPtr mut = process->mailboxes_mutex();
 
-    if (async_small_thresh != 0 || (flags_ & MPI_REQ_RMA) != 0)
+    if (smpi_cfg_async_small_thresh() != 0 || (flags_ & MPI_REQ_RMA) != 0)
       mut->lock();
 
-    if (not(async_small_thresh != 0 || (flags_ & MPI_REQ_RMA) != 0)) {
+    if (not(smpi_cfg_async_small_thresh() != 0 || (flags_ & MPI_REQ_RMA) != 0)) {
       mailbox = process->mailbox();
-    } else if (((flags_ & MPI_REQ_RMA) != 0) || static_cast<int>(size_) < async_small_thresh) { // eager mode
+    } else if (((flags_ & MPI_REQ_RMA) != 0) || static_cast<int>(size_) < smpi_cfg_async_small_thresh()) { // eager mode
       mailbox = process->mailbox();
       XBT_DEBUG("Is there a corresponding recv already posted in the large mailbox %s?", mailbox->get_cname());
       smx_activity_t action = mailbox->iprobe(1, &match_send, static_cast<void*>(this));
@@ -515,7 +509,7 @@ void Request::start()
     action_   = simcall_comm_isend(
         simgrid::s4u::Actor::by_pid(src_)->get_impl(), mailbox->get_impl(), size_, -1.0, buf, real_size_, &match_send,
         &xbt_free_f, // how to free the userdata if a detached send fails
-        not process->replaying() ? smpi_comm_copy_data_callback : &smpi_comm_null_copy_buffer_callback, this,
+        process->replaying() ? &smpi_comm_null_copy_buffer_callback : smpi_comm_copy_data_callback, this,
         // detach if msg size < eager/rdv switch limit
         detached_);
     XBT_DEBUG("send simcall posted");
@@ -526,7 +520,7 @@ void Request::start()
           smpi_process()->get_tracing_category());
     }
 
-    if (async_small_thresh != 0 || ((flags_ & MPI_REQ_RMA) != 0))
+    if (smpi_cfg_async_small_thresh() != 0 || ((flags_ & MPI_REQ_RMA) != 0))
       mut->unlock();
   }
 }
@@ -605,7 +599,7 @@ int Request::test(MPI_Request * request, MPI_Status * status, int* flag) {
       nsleeps=1;//reset the number of sleeps we will do next time
       if (*request != MPI_REQUEST_NULL && ((*request)->flags_ & MPI_REQ_PERSISTENT) == 0)
         *request = MPI_REQUEST_NULL;
-    } else if (simgrid::config::get_value<bool>("smpi/grow-injected-times")) {
+    } else if (smpi_cfg_grow_injected_times()) {
       nsleeps++;
     }
   }
@@ -614,7 +608,6 @@ int Request::test(MPI_Request * request, MPI_Status * status, int* flag) {
 
 int Request::testsome(int incount, MPI_Request requests[], int *count, int *indices, MPI_Status status[])
 {
-  int ret = MPI_SUCCESS;
   int error=0;
   int count_dead = 0;
   int flag = 0;
@@ -624,7 +617,7 @@ int Request::testsome(int incount, MPI_Request requests[], int *count, int *indi
   *count = 0;
   for (int i = 0; i < incount; i++) {
     if (requests[i] != MPI_REQUEST_NULL && not (requests[i]->flags_ & MPI_REQ_FINISHED)) {
-      ret = test(&requests[i], pstat, &flag);
+      int ret = test(&requests[i], pstat, &flag);
       if(ret!=MPI_SUCCESS)
         error = 1;
       if(flag) {
@@ -722,11 +715,10 @@ int Request::testall(int count, MPI_Request requests[], int* outflag, MPI_Status
   MPI_Status *pstat = status == MPI_STATUSES_IGNORE ? MPI_STATUS_IGNORE : &stat;
   int flag;
   int error = 0;
-  int ret=MPI_SUCCESS;
   *outflag = 1;
   for(int i=0; i<count; i++){
     if (requests[i] != MPI_REQUEST_NULL && not(requests[i]->flags_ & MPI_REQ_PREPARED)) {
-      ret = test(&requests[i], pstat, &flag);
+      int ret = test(&requests[i], pstat, &flag);
       if (flag){
         flag=0;
         requests[i]=MPI_REQUEST_NULL;
@@ -765,7 +757,7 @@ void Request::iprobe(int source, int tag, MPI_Comm comm, int* flag, MPI_Status*
   // This can speed up the execution of certain applications by an order of magnitude, such as HPL
   static int nsleeps = 1;
   double speed        = s4u::this_actor::get_host()->get_speed();
-  double maxrate      = simgrid::config::get_value<double>("smpi/iprobe-cpu-usage");
+  double maxrate      = smpi_cfg_iprobe_cpu_usage();
   MPI_Request request = new Request(nullptr, 0, MPI_CHAR,
                                     source == MPI_ANY_SOURCE ? MPI_ANY_SOURCE : comm->group()->actor(source)->get_pid(),
                                     simgrid::s4u::this_actor::get_pid(), tag, comm, MPI_REQ_PERSISTENT | MPI_REQ_RECV);
@@ -788,7 +780,7 @@ void Request::iprobe(int source, int tag, MPI_Comm comm, int* flag, MPI_Status*
 
   request->print_request("New iprobe");
   // We have to test both mailboxes as we don't know if we will receive one or another
-  if (simgrid::config::get_value<int>("smpi/async-small-thresh") > 0) {
+  if (smpi_cfg_async_small_thresh() > 0) {
     mailbox = smpi_process()->mailbox_small();
     XBT_DEBUG("Trying to probe the perm recv mailbox");
     request->action_ = mailbox->iprobe(0, &match_recv, static_cast<void*>(request));
@@ -814,7 +806,7 @@ void Request::iprobe(int source, int tag, MPI_Comm comm, int* flag, MPI_Status*
   }
   else {
     *flag = 0;
-    if (simgrid::config::get_value<bool>("smpi/grow-injected-times"))
+    if (smpi_cfg_grow_injected_times())
       nsleeps++;
   }
   unref(&request);
@@ -852,8 +844,7 @@ void Request::finish_wait(MPI_Request* request, MPI_Status * status)
       // FIXME Handle the case of a partial shared malloc.
       if (((req->flags_ & MPI_REQ_ACCUMULATE) != 0) ||
           (datatype->flags() & DT_FLAG_DERIVED)) { // && (not smpi_is_shared(req->old_buf_))){
-
-        if (not smpi_process()->replaying() && smpi_privatize_global_variables != SmpiPrivStrategies::NONE &&
+        if (not smpi_process()->replaying() && smpi_cfg_privatization() != SmpiPrivStrategies::NONE &&
             static_cast<char*>(req->old_buf_) >= smpi_data_exe_start &&
             static_cast<char*>(req->old_buf_) < smpi_data_exe_start + smpi_data_exe_size) {
           XBT_VERB("Privatization : We are unserializing to a zone in global memory  Switch data segment ");
@@ -861,7 +852,7 @@ void Request::finish_wait(MPI_Request* request, MPI_Status * status)
         }
 
         if(datatype->flags() & DT_FLAG_DERIVED){
-          // This part handles the problem of non-contignous memory the unserialization at the reception
+          // This part handles the problem of non-contiguous memory the unserialization at the reception
           if ((req->flags_ & MPI_REQ_RECV) && datatype->size() != 0)
             datatype->unserialize(req->buf_, req->old_buf_, req->real_size_/datatype->size() , req->op_);
           xbt_free(req->buf_);
@@ -1114,7 +1105,8 @@ int Request::waitsome(int incount, MPI_Request requests[], int *indices, MPI_Sta
   return count;
 }
 
-MPI_Request Request::f2c(int id) {
+MPI_Request Request::f2c(int id)
+{
   char key[KEY_SIZE];
   if(id==MPI_FORTRAN_REQUEST_NULL)
     return static_cast<MPI_Request>(MPI_REQUEST_NULL);
@@ -1129,7 +1121,8 @@ void Request::free_f(int id)
   }
 }
 
-int Request::get_status(MPI_Request req, int* flag, MPI_Status * status){
+int Request::get_status(MPI_Request req, int* flag, MPI_Status* status)
+{
   *flag=0;
 
   if(req != MPI_REQUEST_NULL && req->action_ != nullptr) {
@@ -1156,8 +1149,9 @@ int Request::get_status(MPI_Request req, int* flag, MPI_Status * status){
   return MPI_SUCCESS;
 }
 
-int Request::grequest_start( MPI_Grequest_query_function *query_fn, MPI_Grequest_free_function *free_fn, MPI_Grequest_cancel_function *cancel_fn, void *extra_state, MPI_Request *request){
-
+int Request::grequest_start(MPI_Grequest_query_function* query_fn, MPI_Grequest_free_function* free_fn,
+                            MPI_Grequest_cancel_function* cancel_fn, void* extra_state, MPI_Request* request)
+{
   *request = new Request();
   (*request)->flags_ |= MPI_REQ_GENERALIZED;
   (*request)->flags_ |= MPI_REQ_PERSISTENT;
@@ -1172,7 +1166,8 @@ int Request::grequest_start( MPI_Grequest_query_function *query_fn, MPI_Grequest
   return MPI_SUCCESS;
 }
 
-int Request::grequest_complete( MPI_Request request){
+int Request::grequest_complete(MPI_Request request)
+{
   if ((!(request->flags_ & MPI_REQ_GENERALIZED)) || request->generalized_funcs->mutex==NULL) 
     return MPI_ERR_REQUEST;
   request->generalized_funcs->mutex->lock();