[SMPI] Replay: Remove local variables from action_reducescatter

[simgrid.git] / src / smpi / internals / smpi_replay.cpp

diff --git a/src/smpi/internals/smpi_replay.cpp b/src/smpi/internals/smpi_replay.cpp
index 8591b82..db6dd83 100644 (file)
--- a/src/smpi/internals/smpi_replay.cpp
+++ b/src/smpi/internals/smpi_replay.cpp
@@ -12,26 +12,25 @@
 #include "smpi_request.hpp"
 #include "xbt/replay.hpp"
 
+#include <numeric>
 #include <unordered_map>
 #include <vector>
 
-#define KEY_SIZE (sizeof(int) * 2 + 1)
-
 using simgrid::s4u::Actor;
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_replay,smpi,"Trace Replay with SMPI");
 
-int communicator_size = 0;
-static int active_processes = 0;
-std::unordered_map<int,std::vector<MPI_Request>*> reqq;
+static int communicator_size = 0;
+static int active_processes  = 0;
+static std::unordered_map<int, std::vector<MPI_Request>*> reqq;
 
-MPI_Datatype MPI_DEFAULT_TYPE;
-MPI_Datatype MPI_CURRENT_TYPE;
+static MPI_Datatype MPI_DEFAULT_TYPE;
+static MPI_Datatype MPI_CURRENT_TYPE;
 
-static int sendbuffer_size=0;
-char* sendbuffer=nullptr;
-static int recvbuffer_size=0;
-char* recvbuffer=nullptr;
+static int sendbuffer_size = 0;
+static char* sendbuffer    = nullptr;
+static int recvbuffer_size = 0;
+static char* recvbuffer    = nullptr;
 
 static void log_timed_action (const char *const *action, double clock){
   if (XBT_LOG_ISENABLED(smpi_replay, xbt_log_priority_verbose)){
@@ -95,31 +94,30 @@ static MPI_Datatype decode_datatype(const char *const action)
 {
   switch(atoi(action)) {
     case 0:
-      MPI_CURRENT_TYPE=MPI_DOUBLE;
+      return MPI_DOUBLE;
       break;
     case 1:
-      MPI_CURRENT_TYPE=MPI_INT;
+      return MPI_INT;
       break;
     case 2:
-      MPI_CURRENT_TYPE=MPI_CHAR;
+      return MPI_CHAR;
       break;
     case 3:
-      MPI_CURRENT_TYPE=MPI_SHORT;
+      return MPI_SHORT;
       break;
     case 4:
-      MPI_CURRENT_TYPE=MPI_LONG;
+      return MPI_LONG;
       break;
     case 5:
-      MPI_CURRENT_TYPE=MPI_FLOAT;
+      return MPI_FLOAT;
       break;
     case 6:
-      MPI_CURRENT_TYPE=MPI_BYTE;
+      return MPI_BYTE;
       break;
     default:
-      MPI_CURRENT_TYPE=MPI_DEFAULT_TYPE;
+      return MPI_DEFAULT_TYPE;
       break;
   }
-   return MPI_CURRENT_TYPE;
 }
 
 const char* encode_datatype(MPI_Datatype datatype)
@@ -216,10 +214,7 @@ static void action_send(const char *const *action)
   double size=parse_double(action[3]);
   double clock = smpi_process()->simulated_elapsed();
 
-  if(action[4])
-    MPI_CURRENT_TYPE=decode_datatype(action[4]);
-  else
-    MPI_CURRENT_TYPE= MPI_DEFAULT_TYPE;
+  MPI_CURRENT_TYPE = (action[4]) ? decode_datatype(action[4]) : MPI_DEFAULT_TYPE;
 
   int my_proc_id = Actor::self()->getPid();
   int dst_traced = MPI_COMM_WORLD->group()->actor(to)->getPid();
@@ -243,10 +238,7 @@ static void action_Isend(const char *const *action)
   double size=parse_double(action[3]);
   double clock = smpi_process()->simulated_elapsed();
 
-  if(action[4])
-    MPI_CURRENT_TYPE=decode_datatype(action[4]);
-  else
-    MPI_CURRENT_TYPE= MPI_DEFAULT_TYPE;
+  MPI_CURRENT_TYPE = (action[4]) ? decode_datatype(action[4]) : MPI_DEFAULT_TYPE;
 
   int my_proc_id = Actor::self()->getPid();
   int dst_traced = MPI_COMM_WORLD->group()->actor(to)->getPid();
@@ -271,10 +263,7 @@ static void action_recv(const char *const *action) {
   double clock = smpi_process()->simulated_elapsed();
   MPI_Status status;
 
-  if(action[4])
-    MPI_CURRENT_TYPE=decode_datatype(action[4]);
-  else
-    MPI_CURRENT_TYPE= MPI_DEFAULT_TYPE;
+  MPI_CURRENT_TYPE = (action[4]) ? decode_datatype(action[4]) : MPI_DEFAULT_TYPE;
 
   int my_proc_id = Actor::self()->getPid();
   int src_traced = MPI_COMM_WORLD->group()->actor(from)->getPid();
@@ -305,10 +294,7 @@ static void action_Irecv(const char *const *action)
   double size=parse_double(action[3]);
   double clock = smpi_process()->simulated_elapsed();
 
-  if(action[4])
-    MPI_CURRENT_TYPE=decode_datatype(action[4]);
-  else
-    MPI_CURRENT_TYPE= MPI_DEFAULT_TYPE;
+  MPI_CURRENT_TYPE = (action[4]) ? decode_datatype(action[4]) : MPI_DEFAULT_TYPE;
 
   int my_proc_id = Actor::self()->getPid();
   TRACE_smpi_comm_in(my_proc_id, __FUNCTION__,
@@ -433,15 +419,9 @@ static void action_bcast(const char *const *action)
   CHECK_ACTION_PARAMS(action, 1, 2)
   double size = parse_double(action[2]);
   double clock = smpi_process()->simulated_elapsed();
-  int root=0;
+  int root     = (action[3]) ? atoi(action[3]) : 0;
   /* Initialize MPI_CURRENT_TYPE in order to decrease the number of the checks */
-  MPI_CURRENT_TYPE= MPI_DEFAULT_TYPE;
-
-  if(action[3]) {
-    root= atoi(action[3]);
-    if(action[4])
-      MPI_CURRENT_TYPE=decode_datatype(action[4]);
-  }
+  MPI_CURRENT_TYPE = (action[3] && action[4]) ? decode_datatype(action[4]) : MPI_DEFAULT_TYPE;
 
   int my_proc_id = Actor::self()->getPid();
   TRACE_smpi_comm_in(my_proc_id, __FUNCTION__,
@@ -462,14 +442,9 @@ static void action_reduce(const char *const *action)
   double comm_size = parse_double(action[2]);
   double comp_size = parse_double(action[3]);
   double clock = smpi_process()->simulated_elapsed();
-  int root=0;
-  MPI_CURRENT_TYPE= MPI_DEFAULT_TYPE;
+  int root         = (action[4]) ? atoi(action[4]) : 0;
 
-  if(action[4]) {
-    root= atoi(action[4]);
-    if(action[5])
-      MPI_CURRENT_TYPE=decode_datatype(action[5]);
-  }
+  MPI_CURRENT_TYPE = (action[4] && action[5]) ? decode_datatype(action[5]) : MPI_DEFAULT_TYPE;
 
   int my_proc_id = Actor::self()->getPid();
   TRACE_smpi_comm_in(my_proc_id, __FUNCTION__,
@@ -490,10 +465,7 @@ static void action_allReduce(const char *const *action) {
   double comm_size = parse_double(action[2]);
   double comp_size = parse_double(action[3]);
 
-  if(action[4])
-    MPI_CURRENT_TYPE=decode_datatype(action[4]);
-  else
-    MPI_CURRENT_TYPE= MPI_DEFAULT_TYPE;
+  MPI_CURRENT_TYPE = (action[4]) ? decode_datatype(action[4]) : MPI_DEFAULT_TYPE;
 
   double clock = smpi_process()->simulated_elapsed();
   int my_proc_id = Actor::self()->getPid();
@@ -515,14 +487,8 @@ static void action_allToAll(const char *const *action) {
   int comm_size = MPI_COMM_WORLD->size();
   int send_size = parse_double(action[2]);
   int recv_size = parse_double(action[3]);
-  MPI_Datatype MPI_CURRENT_TYPE2 = MPI_DEFAULT_TYPE;
-
-  if(action[4] && action[5]) {
-    MPI_CURRENT_TYPE=decode_datatype(action[4]);
-    MPI_CURRENT_TYPE2=decode_datatype(action[5]);
-  }
-  else
-    MPI_CURRENT_TYPE=MPI_DEFAULT_TYPE;
+  MPI_CURRENT_TYPE = (action[4] && action[5]) ? decode_datatype(action[4]) : MPI_DEFAULT_TYPE;
+  MPI_Datatype MPI_CURRENT_TYPE2{(action[4] && action[5]) ? decode_datatype(action[5]) : MPI_DEFAULT_TYPE};
 
   void *send = smpi_get_tmp_sendbuffer(send_size*comm_size* MPI_CURRENT_TYPE->size());
   void *recv = smpi_get_tmp_recvbuffer(recv_size*comm_size* MPI_CURRENT_TYPE2->size());
@@ -554,18 +520,12 @@ static void action_gather(const char *const *action) {
   int comm_size = MPI_COMM_WORLD->size();
   int send_size = parse_double(action[2]);
   int recv_size = parse_double(action[3]);
-  MPI_Datatype MPI_CURRENT_TYPE2 = MPI_DEFAULT_TYPE;
-  if(action[4] && action[5]) {
-    MPI_CURRENT_TYPE=decode_datatype(action[5]);
-    MPI_CURRENT_TYPE2=decode_datatype(action[6]);
-  } else {
-    MPI_CURRENT_TYPE=MPI_DEFAULT_TYPE;
-  }
+  MPI_CURRENT_TYPE = (action[5] && action[6]) ? decode_datatype(action[5]) : MPI_DEFAULT_TYPE;
+  MPI_Datatype MPI_CURRENT_TYPE2{(action[5] && action[6]) ? decode_datatype(action[6]) : MPI_DEFAULT_TYPE};
+
   void *send = smpi_get_tmp_sendbuffer(send_size* MPI_CURRENT_TYPE->size());
   void *recv = nullptr;
-  int root=0;
-  if(action[4])
-    root=atoi(action[4]);
+  int root   = (action[4]) ? atoi(action[4]) : 0;
   int rank = MPI_COMM_WORLD->rank();
 
   if(rank==root)
@@ -597,18 +557,12 @@ static void action_scatter(const char* const* action)
   int comm_size                  = MPI_COMM_WORLD->size();
   int send_size                  = parse_double(action[2]);
   int recv_size                  = parse_double(action[3]);
-  MPI_Datatype MPI_CURRENT_TYPE2 = MPI_DEFAULT_TYPE;
-  if (action[4] && action[5]) {
-    MPI_CURRENT_TYPE  = decode_datatype(action[5]);
-    MPI_CURRENT_TYPE2 = decode_datatype(action[6]);
-  } else {
-    MPI_CURRENT_TYPE = MPI_DEFAULT_TYPE;
-  }
+  MPI_CURRENT_TYPE               = (action[5] && action[6]) ? decode_datatype(action[5]) : MPI_DEFAULT_TYPE;
+  MPI_Datatype MPI_CURRENT_TYPE2{(action[5] && action[6]) ? decode_datatype(action[6]) : MPI_DEFAULT_TYPE};
+
   void* send = smpi_get_tmp_sendbuffer(send_size * MPI_CURRENT_TYPE->size());
   void* recv = nullptr;
-  int root   = 0;
-  if (action[4])
-    root   = atoi(action[4]);
+  int root   = (action[4]) ? atoi(action[4]) : 0;
   int rank = MPI_COMM_WORLD->rank();
 
   if (rank == root)
@@ -642,12 +596,10 @@ static void action_gatherv(const char *const *action) {
   int recvcounts[comm_size];
   int recv_sum=0;
 
-  MPI_Datatype MPI_CURRENT_TYPE2 = MPI_DEFAULT_TYPE;
-  if(action[4+comm_size] && action[5+comm_size]) {
-    MPI_CURRENT_TYPE=decode_datatype(action[4+comm_size]);
-    MPI_CURRENT_TYPE2=decode_datatype(action[5+comm_size]);
-  } else
-    MPI_CURRENT_TYPE=MPI_DEFAULT_TYPE;
+  MPI_CURRENT_TYPE =
+      (action[4 + comm_size] && action[5 + comm_size]) ? decode_datatype(action[4 + comm_size]) : MPI_DEFAULT_TYPE;
+  MPI_Datatype MPI_CURRENT_TYPE2{
+      (action[4 + comm_size] && action[5 + comm_size]) ? decode_datatype(action[5 + comm_size]) : MPI_DEFAULT_TYPE};
 
   void *send = smpi_get_tmp_sendbuffer(send_size* MPI_CURRENT_TYPE->size());
   void *recv = nullptr;
@@ -657,15 +609,13 @@ static void action_gatherv(const char *const *action) {
     disps[i]=0;
   }
 
-  int root=atoi(action[3+comm_size]);
+  int root = (action[3 + comm_size]) ? atoi(action[3 + comm_size]) : 0;
   int rank = MPI_COMM_WORLD->rank();
 
   if(rank==root)
     recv = smpi_get_tmp_recvbuffer(recv_sum* MPI_CURRENT_TYPE2->size());
 
-  std::vector<int>* trace_recvcounts = new std::vector<int>;
-  for (int i = 0; i < comm_size; i++) // copy data to avoid bad free
-    trace_recvcounts->push_back(recvcounts[i]);
+  std::vector<int>* trace_recvcounts = new std::vector<int>(recvcounts, recvcounts + comm_size);
 
   TRACE_smpi_comm_in(rank, __FUNCTION__, new simgrid::instr::VarCollTIData(
                                              "gatherV", root, send_size, nullptr, -1, trace_recvcounts,
@@ -696,12 +646,10 @@ static void action_scatterv(const char* const* action)
   int sendcounts[comm_size];
   int send_sum = 0;
 
-  MPI_Datatype MPI_CURRENT_TYPE2 = MPI_DEFAULT_TYPE;
-  if (action[4 + comm_size] && action[5 + comm_size]) {
-    MPI_CURRENT_TYPE  = decode_datatype(action[4 + comm_size]);
-    MPI_CURRENT_TYPE2 = decode_datatype(action[5 + comm_size]);
-  } else
-    MPI_CURRENT_TYPE = MPI_DEFAULT_TYPE;
+  MPI_CURRENT_TYPE =
+      (action[4 + comm_size] && action[5 + comm_size]) ? decode_datatype(action[4 + comm_size]) : MPI_DEFAULT_TYPE;
+  MPI_Datatype MPI_CURRENT_TYPE2{
+      (action[4 + comm_size] && action[5 + comm_size]) ? decode_datatype(action[5 + comm_size]) : MPI_DEFAULT_TYPE};
 
   void* send = nullptr;
   void* recv = smpi_get_tmp_recvbuffer(recv_size * MPI_CURRENT_TYPE->size());
@@ -711,15 +659,13 @@ static void action_scatterv(const char* const* action)
     disps[i] = 0;
   }
 
-  int root = atoi(action[3 + comm_size]);
+  int root = (action[3 + comm_size]) ? atoi(action[3 + comm_size]) : 0;
   int rank = MPI_COMM_WORLD->rank();
 
   if (rank == root)
     send = smpi_get_tmp_sendbuffer(send_sum * MPI_CURRENT_TYPE2->size());
 
-  std::vector<int>* trace_sendcounts = new std::vector<int>;
-  for (int i = 0; i < comm_size; i++) // copy data to avoid bad free
-    trace_sendcounts->push_back(sendcounts[i]);
+  std::vector<int>* trace_sendcounts = new std::vector<int>(sendcounts, sendcounts + comm_size);
 
   TRACE_smpi_comm_in(rank, __FUNCTION__, new simgrid::instr::VarCollTIData(
                                              "gatherV", root, -1, trace_sendcounts, recv_size, nullptr,
@@ -743,20 +689,14 @@ static void action_reducescatter(const char *const *action) {
   int comm_size = MPI_COMM_WORLD->size();
   CHECK_ACTION_PARAMS(action, comm_size+1, 1)
   int comp_size = parse_double(action[2+comm_size]);
-  int recvcounts[comm_size];
   int my_proc_id                     = Actor::self()->getPid();
-  int size = 0;
   std::vector<int>* trace_recvcounts = new std::vector<int>;
-  if(action[3+comm_size])
-    MPI_CURRENT_TYPE=decode_datatype(action[3+comm_size]);
-  else
-    MPI_CURRENT_TYPE= MPI_DEFAULT_TYPE;
+  MPI_CURRENT_TYPE = (action[3 + comm_size]) ? decode_datatype(action[3 + comm_size]) : MPI_DEFAULT_TYPE;
 
   for(int i=0;i<comm_size;i++) {
-    recvcounts[i] = atoi(action[i+2]);
-    trace_recvcounts->push_back(recvcounts[i]);
-    size+=recvcounts[i];
+    trace_recvcounts->push_back(atoi(action[i + 2]));
   }
+  int size{std::accumulate(trace_recvcounts->begin(), trace_recvcounts->end(), 0)};
 
   TRACE_smpi_comm_in(my_proc_id, __FUNCTION__,
                      new simgrid::instr::VarCollTIData("reduceScatter", -1, 0, nullptr, -1, trace_recvcounts,
@@ -766,7 +706,7 @@ static void action_reducescatter(const char *const *action) {
   void *sendbuf = smpi_get_tmp_sendbuffer(size* MPI_CURRENT_TYPE->size());
   void *recvbuf = smpi_get_tmp_recvbuffer(size* MPI_CURRENT_TYPE->size());
 
-  Colls::reduce_scatter(sendbuf, recvbuf, recvcounts, MPI_CURRENT_TYPE, MPI_OP_NULL, MPI_COMM_WORLD);
+  Colls::reduce_scatter(sendbuf, recvbuf, trace_recvcounts->data(), MPI_CURRENT_TYPE, MPI_OP_NULL, MPI_COMM_WORLD);
   smpi_execute_flops(comp_size);
 
   TRACE_smpi_comm_out(my_proc_id);
@@ -787,13 +727,8 @@ static void action_allgather(const char *const *action) {
   int sendcount=atoi(action[2]);
   int recvcount=atoi(action[3]);
 
-  MPI_Datatype MPI_CURRENT_TYPE2 = MPI_DEFAULT_TYPE;
-
-  if(action[4] && action[5]) {
-    MPI_CURRENT_TYPE = decode_datatype(action[4]);
-    MPI_CURRENT_TYPE2 = decode_datatype(action[5]);
-  } else
-    MPI_CURRENT_TYPE = MPI_DEFAULT_TYPE;
+  MPI_CURRENT_TYPE = (action[4] && action[5]) ? decode_datatype(action[4]) : MPI_DEFAULT_TYPE;
+  MPI_Datatype MPI_CURRENT_TYPE2{(action[4] && action[5]) ? decode_datatype(action[5]) : MPI_DEFAULT_TYPE};
 
   void *sendbuf = smpi_get_tmp_sendbuffer(sendcount* MPI_CURRENT_TYPE->size());
   void *recvbuf = smpi_get_tmp_recvbuffer(recvcount* MPI_CURRENT_TYPE2->size());
@@ -827,13 +762,11 @@ static void action_allgatherv(const char *const *action) {
   int recvcounts[comm_size];
   int disps[comm_size];
   int recv_sum=0;
-  MPI_Datatype MPI_CURRENT_TYPE2 = MPI_DEFAULT_TYPE;
 
-  if(action[3+comm_size] && action[4+comm_size]) {
-    MPI_CURRENT_TYPE = decode_datatype(action[3+comm_size]);
-    MPI_CURRENT_TYPE2 = decode_datatype(action[4+comm_size]);
-  } else
-    MPI_CURRENT_TYPE = MPI_DEFAULT_TYPE;
+  MPI_CURRENT_TYPE =
+      (action[3 + comm_size] && action[4 + comm_size]) ? decode_datatype(action[3 + comm_size]) : MPI_DEFAULT_TYPE;
+  MPI_Datatype MPI_CURRENT_TYPE2{
+      (action[3 + comm_size] && action[4 + comm_size]) ? decode_datatype(action[4 + comm_size]) : MPI_DEFAULT_TYPE};
 
   void *sendbuf = smpi_get_tmp_sendbuffer(sendcount* MPI_CURRENT_TYPE->size());
 
@@ -846,9 +779,7 @@ static void action_allgatherv(const char *const *action) {
 
   int my_proc_id = Actor::self()->getPid();
 
-  std::vector<int>* trace_recvcounts = new std::vector<int>;
-  for (int i = 0; i < comm_size; i++) // copy data to avoid bad free
-    trace_recvcounts->push_back(recvcounts[i]);
+  std::vector<int>* trace_recvcounts = new std::vector<int>(recvcounts, recvcounts + comm_size);
 
   TRACE_smpi_comm_in(my_proc_id, __FUNCTION__,
                      new simgrid::instr::VarCollTIData("allGatherV", -1, sendcount, nullptr, -1, trace_recvcounts,
@@ -884,17 +815,15 @@ static void action_allToAllv(const char *const *action) {
   int senddisps[comm_size];
   int recvdisps[comm_size];
 
-  MPI_Datatype MPI_CURRENT_TYPE2 = MPI_DEFAULT_TYPE;
+  MPI_CURRENT_TYPE = (action[4 + 2 * comm_size] && action[5 + 2 * comm_size])
+                         ? decode_datatype(action[4 + 2 * comm_size])
+                         : MPI_DEFAULT_TYPE;
+  MPI_Datatype MPI_CURRENT_TYPE2{(action[4 + 2 * comm_size] && action[5 + 2 * comm_size])
+                                     ? decode_datatype(action[5 + 2 * comm_size])
+                                     : MPI_DEFAULT_TYPE};
 
   int send_buf_size=parse_double(action[2]);
   int recv_buf_size=parse_double(action[3+comm_size]);
-  if(action[4+2*comm_size] && action[5+2*comm_size]) {
-    MPI_CURRENT_TYPE=decode_datatype(action[4+2*comm_size]);
-    MPI_CURRENT_TYPE2=decode_datatype(action[5+2*comm_size]);
-  }
-  else
-    MPI_CURRENT_TYPE=MPI_DEFAULT_TYPE;
-
   int my_proc_id = Actor::self()->getPid();
   void *sendbuf = smpi_get_tmp_sendbuffer(send_buf_size* MPI_CURRENT_TYPE->size());
   void *recvbuf  = smpi_get_tmp_recvbuffer(recv_buf_size* MPI_CURRENT_TYPE2->size());