/* 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);
+}
+
MPI_Request Request::send_init(const void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm)
{
MPI_REQ_PERSISTENT | MPI_REQ_RECV | MPI_REQ_PREPARED);
}
+MPI_Request Request::ibsend(const void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm)
+{
+ MPI_Request request = nullptr; /* MC needs the comm to be set to nullptr during the call */
+ request = 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_NON_PERSISTENT | MPI_REQ_ISEND | MPI_REQ_SEND | MPI_REQ_BSEND);
+ request->start();
+ return request;
+}
+
MPI_Request Request::isend(const void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm)
{
MPI_Request request = nullptr; /* MC needs the comm to be set to nullptr during the call */
request = nullptr;
}
+void Request::bsend(const void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm)
+{
+ MPI_Request request = nullptr; /* MC needs the comm to be set to nullptr during the call */
+ request = 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_NON_PERSISTENT | MPI_REQ_SEND | MPI_REQ_BSEND);
+
+ request->start();
+ wait(&request, MPI_STATUS_IGNORE);
+ request = nullptr;
+}
+
void Request::send(const void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm)
{
MPI_Request request = nullptr; /* MC needs the comm to be set to nullptr during the call */
void* buf = buf_;
if ((flags_ & MPI_REQ_SSEND) == 0 &&
- ((flags_ & MPI_REQ_RMA) != 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"))) {
void *oldbuf = nullptr;
detached_ = true;
XBT_DEBUG("Privatization : We are sending from a zone inside global memory. Switch data segment ");
smpi_switch_data_segment(simgrid::s4u::Actor::by_pid(src_));
}
+ //we need this temporary buffer even for bsend, as it will be released in the copy callback and we don't have a way to differentiate it
+ //so actually ... don't use manually attached buffer space.
buf = xbt_malloc(size_);
memcpy(buf,oldbuf,size_);
XBT_DEBUG("buf %p copied into %p",oldbuf,buf);