- MPI_Request ref = static_cast<MPI_Request>(a);
- MPI_Request req = static_cast<MPI_Request>(b);
- XBT_DEBUG("Trying to match a recv of src %d against %d, tag %d against %d, id %d against %d",ref->src_,req->src_, ref->tag_, req->tag_,ref->comm_->id(),req->comm_->id());
-
- xbt_assert(ref, "Cannot match recv against null reference");
- xbt_assert(req, "Cannot match recv against null request");
- if((ref->comm_->id()==MPI_UNDEFINED || req->comm_->id() == MPI_UNDEFINED || (ref->comm_->id()==req->comm_->id()))
- && ((ref->src_ == MPI_ANY_SOURCE && (ref->comm_->group()->rank(req->src_) != MPI_UNDEFINED)) || req->src_ == ref->src_)
- && ((ref->tag_ == MPI_ANY_TAG && req->tag_ >=0) || req->tag_ == ref->tag_)){
- //we match, we can transfer some values
- if(ref->src_ == MPI_ANY_SOURCE)
- ref->real_src_ = req->src_;
- if(ref->tag_ == MPI_ANY_TAG)
- ref->real_tag_ = req->tag_;
- if(ref->real_size_ < req->real_size_)
- ref->truncated_ = true;
- 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)
+ xbt_assert(sender, "Cannot match against null sender");
+ xbt_assert(receiver, "Cannot match against null receiver");
+ XBT_DEBUG("Trying to match %s of sender src %d against %d, tag %d against %d, id %d against %d",
+ (req == receiver ? "send" : "recv"), sender->src_, receiver->src_, sender->tag_, receiver->tag_,
+ sender->comm_->id(), receiver->comm_->id());
+
+ if ((receiver->comm_->id() == MPI_UNDEFINED || sender->comm_->id() == MPI_UNDEFINED ||
+ receiver->comm_->id() == sender->comm_->id()) &&
+ ((receiver->src_ == MPI_ANY_SOURCE && (receiver->comm_->group()->rank(sender->src_) != MPI_UNDEFINED)) ||
+ receiver->src_ == sender->src_) &&
+ ((receiver->tag_ == MPI_ANY_TAG && sender->tag_ >= 0) || receiver->tag_ == sender->tag_)) {
+ // we match, we can transfer some values
+ if (receiver->src_ == MPI_ANY_SOURCE)
+ receiver->real_src_ = sender->src_;
+ if (receiver->tag_ == MPI_ANY_TAG)
+ receiver->real_tag_ = sender->tag_;
+ if (receiver->real_size_ < sender->real_size_)
+ receiver->truncated_ = true;
+ if (sender->detached_)
+ receiver->detached_sender_ = sender; // tie the sender to the receiver, as it is detached and has to be freed in
+ // the receiver
+ if (req->cancelled_ == 0)