Remove explicit conversion to std::string when it's not required.

[simgrid.git] / src / smpi / bindings / smpi_pmpi_coll.cpp

diff --git a/src/smpi/bindings/smpi_pmpi_coll.cpp b/src/smpi/bindings/smpi_pmpi_coll.cpp
index 7df4731..f83a8d3 100644 (file)
--- a/src/smpi/bindings/smpi_pmpi_coll.cpp
+++ b/src/smpi/bindings/smpi_pmpi_coll.cpp
@@ -67,9 +67,8 @@ int PMPI_Ibcast(void* buf, int count, MPI_Datatype datatype, int root, MPI_Comm
   CHECK_BUFFER(1, buf, count, datatype)
   CHECK_ROOT(4)
   CHECK_REQUEST(6)
-  std::string name = (request == MPI_REQUEST_IGNORED ? "PMPI_Bcast" : "PMPI_Ibcast");
-  name += " with root " + std::to_string(root);
-  CHECK_COLLECTIVE(comm, name.c_str())
+  CHECK_COLLECTIVE(comm, std::string(request == MPI_REQUEST_IGNORED ? "PMPI_Bcast" : "PMPI_Ibcast") + " with root " +
+                             std::to_string(root))
 
   const SmpiBenchGuard suspend_bench;
   aid_t pid = simgrid::s4u::this_actor::get_pid();
@@ -77,6 +76,10 @@ int PMPI_Ibcast(void* buf, int count, MPI_Datatype datatype, int root, MPI_Comm
                      new simgrid::instr::CollTIData(request == MPI_REQUEST_IGNORED ? "bcast" : "ibcast", root, -1.0,
                                                     count, 0,
                                                     simgrid::smpi::Datatype::encode(datatype), ""));
+  if (simgrid::config::get_value<bool>("smpi/barrier-collectives") &&
+      request == MPI_REQUEST_IGNORED) // No barrier in Ibcast
+    smpi_deployment_startup_barrier(smpi_process()->get_instance_id());
+
   if (comm->size() > 1) {
     if (request == MPI_REQUEST_IGNORED)
       simgrid::smpi::colls::bcast(buf, count, datatype, root, comm);
@@ -118,9 +121,8 @@ int PMPI_Igather(const void* sendbuf, int sendcount, MPI_Datatype sendtype, void
   }
   CHECK_ROOT(7)
   CHECK_REQUEST(9)
-  std::string name = (request == MPI_REQUEST_IGNORED ? "PMPI_Gather" : "PMPI_Igather");
-  name += " with root " + std::to_string(root);
-  CHECK_COLLECTIVE(comm, name.c_str())
+  CHECK_COLLECTIVE(comm, std::string(request == MPI_REQUEST_IGNORED ? "PMPI_Gather" : "PMPI_Igather") + " with root " +
+                             std::to_string(root))
 
   const void* real_sendbuf   = sendbuf;
   int real_sendcount         = sendcount;
@@ -137,6 +139,10 @@ int PMPI_Igather(const void* sendbuf, int sendcount, MPI_Datatype sendtype, void
 
   const SmpiBenchGuard suspend_bench;
 
+  if (simgrid::config::get_value<bool>("smpi/barrier-collectives") &&
+      request == MPI_REQUEST_IGNORED) // no barrier in Igather
+    smpi_deployment_startup_barrier(smpi_process()->get_instance_id());
+
   aid_t pid = simgrid::s4u::this_actor::get_pid();
 
   TRACE_smpi_comm_in(pid, request == MPI_REQUEST_IGNORED ? "PMPI_Gather" : "PMPI_Igather",
@@ -181,9 +187,8 @@ int PMPI_Igatherv(const void* sendbuf, int sendcount, MPI_Datatype sendtype, voi
   }
   CHECK_ROOT(8)
   CHECK_REQUEST(10)
-  std::string name = (request == MPI_REQUEST_IGNORED ? "PMPI_Gatherv" : "PMPI_Igatherv");
-  name += " with root " + std::to_string(root);
-  CHECK_COLLECTIVE(comm, name.c_str())
+  CHECK_COLLECTIVE(comm, std::string(request == MPI_REQUEST_IGNORED ? "PMPI_Gatherv" : "PMPI_Igatherv") +
+                             " with root " + std::to_string(root))
 
   if (rank == root){
     for (int i = 0; i < comm->size(); i++) {
@@ -193,6 +198,11 @@ int PMPI_Igatherv(const void* sendbuf, int sendcount, MPI_Datatype sendtype, voi
   }
 
   const SmpiBenchGuard suspend_bench;
+
+  if (simgrid::config::get_value<bool>("smpi/barrier-collectives") &&
+      request == MPI_REQUEST_IGNORED) // no barrier in Igatherv
+    smpi_deployment_startup_barrier(smpi_process()->get_instance_id());
+
   const void* real_sendbuf   = sendbuf;
   int real_sendcount         = sendcount;
   MPI_Datatype real_sendtype = sendtype;
@@ -309,6 +319,7 @@ int PMPI_Iallgatherv(const void* sendbuf, int sendcount, MPI_Datatype sendtype,
   CHECK_COLLECTIVE(comm, MPI_REQUEST_IGNORED ? "PMPI_Allgatherv" : "PMPI_Iallgatherv")
 
   const SmpiBenchGuard suspend_bench;
+
   if (sendbuf == MPI_IN_PLACE) {
     sendbuf   = static_cast<char*>(recvbuf) + recvtype->get_extent() * displs[comm->rank()];
     sendcount = recvcounts[comm->rank()];
@@ -362,9 +373,8 @@ int PMPI_Iscatter(const void* sendbuf, int sendcount, MPI_Datatype sendtype, voi
   }
   CHECK_ROOT(8)
   CHECK_REQUEST(9)
-  std::string name = (request == MPI_REQUEST_IGNORED ? "PMPI_Scatter" : "PMPI_Iscatter");
-  name += " with root " + std::to_string(root);
-  CHECK_COLLECTIVE(comm, name.c_str())
+  CHECK_COLLECTIVE(comm, std::string(request == MPI_REQUEST_IGNORED ? "PMPI_Scatter" : "PMPI_Iscatter") +
+                             " with root " + std::to_string(root))
 
   if (recvbuf == MPI_IN_PLACE) {
     recvtype  = sendtype;
@@ -378,6 +388,10 @@ int PMPI_Iscatter(const void* sendbuf, int sendcount, MPI_Datatype sendtype, voi
 
   const SmpiBenchGuard suspend_bench;
 
+  if (simgrid::config::get_value<bool>("smpi/barrier-collectives") &&
+      request == MPI_REQUEST_IGNORED) // no barrier in Iscatter
+    smpi_deployment_startup_barrier(smpi_process()->get_instance_id());
+
   aid_t pid = simgrid::s4u::this_actor::get_pid();
 
   TRACE_smpi_comm_in(pid, request == MPI_REQUEST_IGNORED ? "PMPI_Scatter" : "PMPI_Iscatter",
@@ -429,12 +443,15 @@ int PMPI_Iscatterv(const void* sendbuf, const int* sendcounts, const int* displs
   } else {
     CHECK_NOT_IN_PLACE_ROOT(4, recvbuf)
   }
-  std::string name = (request == MPI_REQUEST_IGNORED ? "PMPI_Scatterv" : "PMPI_Iscatterv");
-  name += " with root " + std::to_string(root);
-  CHECK_COLLECTIVE(comm, name.c_str())
+  CHECK_COLLECTIVE(comm, std::string(request == MPI_REQUEST_IGNORED ? "PMPI_Scatterv" : "PMPI_Iscatterv") +
+                             " with root " + std::to_string(root))
 
   const SmpiBenchGuard suspend_bench;
 
+  if (simgrid::config::get_value<bool>("smpi/barrier-collectives") &&
+      request == MPI_REQUEST_IGNORED) // no barrier in Iscatterv
+    smpi_deployment_startup_barrier(smpi_process()->get_instance_id());
+
   aid_t pid        = simgrid::s4u::this_actor::get_pid();
 
   auto trace_sendcounts = std::make_shared<std::vector<int>>();
@@ -481,12 +498,15 @@ int PMPI_Ireduce(const void *sendbuf, void *recvbuf, int count, MPI_Datatype dat
   CHECK_OP(5, op, datatype)
   CHECK_ROOT(7)
   CHECK_REQUEST(8)
-  std::string name = (request == MPI_REQUEST_IGNORED ? "PMPI_Reduce" : "PMPI_Ireduce");
-  name += " with op " + op->name();
-  name += " and root " + std::to_string(root);
-  CHECK_COLLECTIVE(comm, name.c_str())
+  CHECK_COLLECTIVE(comm, std::string(request == MPI_REQUEST_IGNORED ? "PMPI_Reduce" : "PMPI_Ireduce") + " with op " +
+                             op->name() + " and root " + std::to_string(root))
 
   const SmpiBenchGuard suspend_bench;
+
+  if (simgrid::config::get_value<bool>("smpi/barrier-collectives") &&
+      request == MPI_REQUEST_IGNORED) // no barrier in Ireduce
+    smpi_deployment_startup_barrier(smpi_process()->get_instance_id());
+
   aid_t pid = simgrid::s4u::this_actor::get_pid();
 
   TRACE_smpi_comm_in(pid, request == MPI_REQUEST_IGNORED ? "PMPI_Reduce" : "PMPI_Ireduce",
@@ -535,11 +555,11 @@ int PMPI_Iallreduce(const void *sendbuf, void *recvbuf, int count, MPI_Datatype
   CHECK_BUFFER(1, sendbuf, count, datatype)
   CHECK_BUFFER(2, recvbuf, count, datatype)
   CHECK_REQUEST(7)
-  std::string name = (request == MPI_REQUEST_IGNORED ? "PMPI_Alleduce" : "PMPI_Iallreduce");
-  name += " with op " + op->name();
-  CHECK_COLLECTIVE(comm, name.c_str())
+  CHECK_COLLECTIVE(comm, std::string(request == MPI_REQUEST_IGNORED ? "PMPI_Alleduce" : "PMPI_Iallreduce") +
+                             " with op " + op->name())
 
   const SmpiBenchGuard suspend_bench;
+
   std::vector<unsigned char> tmp_sendbuf;
   const void* real_sendbuf = smpi_get_in_place_buf(sendbuf, recvbuf, tmp_sendbuf, count, datatype);
 
@@ -575,11 +595,15 @@ int PMPI_Iscan(const void *sendbuf, void *recvbuf, int count, MPI_Datatype datat
   CHECK_BUFFER(2,recvbuf,count, datatype)
   CHECK_REQUEST(7)
   CHECK_OP(5, op, datatype)
-  std::string name = (request == MPI_REQUEST_IGNORED ? "PMPI_Scan" : "PMPI_Iscan");
-  name += " with op " + op->name();
-  CHECK_COLLECTIVE(comm, name.c_str())
+  CHECK_COLLECTIVE(comm,
+                   std::string(request == MPI_REQUEST_IGNORED ? "PMPI_Scan" : "PMPI_Iscan") + " with op " + op->name())
 
   const SmpiBenchGuard suspend_bench;
+
+  if (simgrid::config::get_value<bool>("smpi/barrier-collectives") &&
+      request == MPI_REQUEST_IGNORED) // no barrier in Iscan
+    smpi_deployment_startup_barrier(smpi_process()->get_instance_id());
+
   aid_t pid = simgrid::s4u::this_actor::get_pid();
   std::vector<unsigned char> tmp_sendbuf;
   const void* real_sendbuf = smpi_get_in_place_buf(sendbuf, recvbuf, tmp_sendbuf, count, datatype);
@@ -613,11 +637,15 @@ int PMPI_Iexscan(const void *sendbuf, void *recvbuf, int count, MPI_Datatype dat
   CHECK_BUFFER(2, recvbuf, count, datatype)
   CHECK_REQUEST(7)
   CHECK_OP(5, op, datatype)
-  std::string name = (request == MPI_REQUEST_IGNORED ? "PMPI_Exscan" : "PMPI_Iexscan");
-  name += " with op " + op->name();
-  CHECK_COLLECTIVE(comm, name.c_str())
+  CHECK_COLLECTIVE(comm, std::string(request == MPI_REQUEST_IGNORED ? "PMPI_Exscan" : "PMPI_Iexscan") + " with op " +
+                             op->name())
 
   const SmpiBenchGuard suspend_bench;
+
+  if (simgrid::config::get_value<bool>("smpi/barrier-collectives") &&
+      request == MPI_REQUEST_IGNORED) // no barrier in Iexscan
+    smpi_deployment_startup_barrier(smpi_process()->get_instance_id());
+
   aid_t pid = simgrid::s4u::this_actor::get_pid();
   std::vector<unsigned char> tmp_sendbuf;
   const void* real_sendbuf = smpi_get_in_place_buf(sendbuf, recvbuf, tmp_sendbuf, count, datatype);
@@ -657,11 +685,11 @@ int PMPI_Ireduce_scatter(const void *sendbuf, void *recvbuf, const int *recvcoun
     CHECK_BUFFER(1, sendbuf, recvcounts[i], datatype)
     CHECK_BUFFER(2, recvbuf, recvcounts[i], datatype)
   }
-  std::string name = (request == MPI_REQUEST_IGNORED ? "PMPI_Reduce_scatter" : "PMPI_Ireduce_scatter");
-  name += " with op " + op->name();
-  CHECK_COLLECTIVE(comm, name.c_str())
+  CHECK_COLLECTIVE(comm, std::string(request == MPI_REQUEST_IGNORED ? "PMPI_Reduce_scatter" : "PMPI_Ireduce_scatter") +
+                             " with op " + op->name())
 
   const SmpiBenchGuard suspend_bench;
+
   aid_t pid                          = simgrid::s4u::this_actor::get_pid();
   auto trace_recvcounts              = std::make_shared<std::vector<int>>();
   trace_recvcounts->insert(trace_recvcounts->end(), &recvcounts[0], &recvcounts[comm->size()]);
@@ -706,11 +734,12 @@ int PMPI_Ireduce_scatter_block(const void* sendbuf, void* recvbuf, int recvcount
   CHECK_BUFFER(2, recvbuf, recvcount, datatype)
   CHECK_REQUEST(7)
   CHECK_OP(5, op, datatype)
-  std::string name = (request == MPI_REQUEST_IGNORED ? "PMPI_Reduce_scatter_block" : "PMPI_Ireduce_scatter_block");
-  name += " with op " + op->name();
-  CHECK_COLLECTIVE(comm, name.c_str())
+  CHECK_COLLECTIVE(
+      comm, std::string(request == MPI_REQUEST_IGNORED ? "PMPI_Reduce_scatter_block" : "PMPI_Ireduce_scatter_block") +
+                " with op " + op->name())
 
   const SmpiBenchGuard suspend_bench;
+
   int count = comm->size();
 
   aid_t pid                          = simgrid::s4u::this_actor::get_pid();
@@ -830,6 +859,7 @@ int PMPI_Ialltoallv(const void* sendbuf, const int* sendcounts, const int* sendd
   }
 
   const SmpiBenchGuard suspend_bench;
+
   int send_size                      = 0;
   int recv_size                      = 0;
   auto trace_sendcounts              = std::make_shared<std::vector<int>>();