Logo AND Algorithmique Numérique Distribuée

Public GIT Repository
[SMPI] Replay: Remove old functions / datatype
[simgrid.git] / src / smpi / internals / smpi_replay.cpp
index 3e4ec9b..2cc7ee2 100644 (file)
@@ -77,7 +77,8 @@ namespace hash_tuple{
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_replay,smpi,"Trace Replay with SMPI");
 
-static std::unordered_map<int, std::vector<MPI_Request>*> reqq;
+typedef std::tuple</*sender*/ int, /* reciever */ int, /* tag */int> req_key_t;
+typedef std::unordered_map<req_key_t, MPI_Request, hash_tuple::hash<std::tuple<int,int,int>>> req_storage_t;
 
 static MPI_Datatype MPI_DEFAULT_TYPE;
 
@@ -106,16 +107,6 @@ static void log_timed_action(simgrid::xbt::ReplayAction& action, double clock)
   }
 }
 
-static std::vector<MPI_Request>* get_reqq_self()
-{
-  return reqq.at(simgrid::s4u::this_actor::get_pid());
-}
-
-static void set_reqq_self(std::vector<MPI_Request> *mpi_request)
-{
-  reqq.insert({simgrid::s4u::this_actor::get_pid(), mpi_request});
-}
-
 /* Helper function */
 static double parse_double(std::string string)
 {
@@ -147,7 +138,7 @@ public:
     {
       for (auto& pair : store) {
         auto& req = pair.second;
-        auto my_proc_id = simgrid::s4u::this_actor::getPid();
+        auto my_proc_id = simgrid::s4u::this_actor::get_pid();
         if (req != MPI_REQUEST_NULL && (req->src() == my_proc_id || req->dst() == my_proc_id)) {
           vec.push_back(pair.second);
           pair.second->print_request("MM");
@@ -527,11 +518,13 @@ public:
 template <class T> class ReplayAction {
 protected:
   const std::string name;
+  RequestStorage* req_storage; // Points to the right storage for this process, nullptr except for Send/Recv/Wait/Test actions.
   const int my_proc_id;
   T args;
 
 public:
-  explicit ReplayAction(std::string name) : name(name), my_proc_id(simgrid::s4u::this_actor::get_pid()) {}
+  explicit ReplayAction(std::string name, RequestStorage& storage) : name(name), req_storage(&storage), my_proc_id(simgrid::s4u::this_actor::get_pid()) {}
+  explicit ReplayAction(std::string name) : name(name), req_storage(nullptr), my_proc_id(simgrid::s4u::this_actor::get_pid()) {}
   virtual ~ReplayAction() = default;
 
   virtual void execute(simgrid::xbt::ReplayAction& action)
@@ -559,13 +552,13 @@ public:
 
 class WaitAction : public ReplayAction<WaitTestParser> {
 public:
-  WaitAction() : ReplayAction("Wait") {}
+  WaitAction(RequestStorage& storage) : ReplayAction("Wait", storage) {}
   void kernel(simgrid::xbt::ReplayAction& action) override
   {
     std::string s = boost::algorithm::join(action, " ");
-    xbt_assert(get_reqq_self()->size(), "action wait not preceded by any irecv or isend: %s", s.c_str());
-    MPI_Request request = get_reqq_self()->back();
-    get_reqq_self()->pop_back();
+    xbt_assert(req_storage->size(), "action wait not preceded by any irecv or isend: %s", s.c_str());
+    MPI_Request request = req_storage->find(args.src, args.dst, args.tag);
+    req_storage->remove(request);
 
     if (request == MPI_REQUEST_NULL) {
       /* Assume that the trace is well formed, meaning the comm might have been caught by a MPI_test. Then just
@@ -593,7 +586,7 @@ public:
 class SendAction : public ReplayAction<SendRecvParser> {
 public:
   SendAction() = delete;
-  explicit SendAction(std::string name) : ReplayAction(name) {}
+  explicit SendAction(std::string name, RequestStorage& storage) : ReplayAction(name, storage) {}
   void kernel(simgrid::xbt::ReplayAction& action) override
   {
     int dst_traced = MPI_COMM_WORLD->group()->actor(args.partner)->get_pid();
@@ -607,7 +600,7 @@ public:
       Request::send(nullptr, args.size, args.datatype1, args.partner, args.tag, MPI_COMM_WORLD);
     } else if (name == "Isend") {
       MPI_Request request = Request::isend(nullptr, args.size, args.datatype1, args.partner, args.tag, MPI_COMM_WORLD);
-      get_reqq_self()->push_back(request);
+      req_storage->add(request);
     } else {
       xbt_die("Don't know this action, %s", name.c_str());
     }
@@ -619,7 +612,7 @@ public:
 class RecvAction : public ReplayAction<SendRecvParser> {
 public:
   RecvAction() = delete;
-  explicit RecvAction(std::string name) : ReplayAction(name) {}
+  explicit RecvAction(std::string name, RequestStorage& storage) : ReplayAction(name, storage) {}
   void kernel(simgrid::xbt::ReplayAction& action) override
   {
     int src_traced = MPI_COMM_WORLD->group()->actor(args.partner)->get_pid();
@@ -638,7 +631,7 @@ public:
       Request::recv(nullptr, args.size, args.datatype1, args.partner, args.tag, MPI_COMM_WORLD, &status);
     } else if (name == "Irecv") {
       MPI_Request request = Request::irecv(nullptr, args.size, args.datatype1, args.partner, args.tag, MPI_COMM_WORLD);
-      get_reqq_self()->push_back(request);
+      req_storage->add(request);
     }
 
     TRACE_smpi_comm_out(my_proc_id);
@@ -662,15 +655,15 @@ public:
 
 class TestAction : public ReplayAction<WaitTestParser> {
 public:
-  TestAction() : ReplayAction("Test") {}
+  TestAction(RequestStorage& storage) : ReplayAction("Test", storage) {}
   void kernel(simgrid::xbt::ReplayAction& action) override
   {
-    MPI_Request request = get_reqq_self()->back();
-    get_reqq_self()->pop_back();
+    MPI_Request request = req_storage->find(args.src, args.dst, args.tag);
+    req_storage->remove(request);
     // if request is null here, this may mean that a previous test has succeeded
     // Different times in traced application and replayed version may lead to this
     // In this case, ignore the extra calls.
-    if (request != nullptr) {
+    if (request != MPI_REQUEST_NULL) {
       TRACE_smpi_testing_in(my_proc_id);
 
       MPI_Status status;
@@ -679,7 +672,10 @@ public:
       XBT_DEBUG("MPI_Test result: %d", flag);
       /* push back request in vector to be caught by a subsequent wait. if the test did succeed, the request is now
        * nullptr.*/
-      get_reqq_self()->push_back(request);
+      if (request == MPI_REQUEST_NULL)
+        req_storage->addNullRequest(args.src, args.dst, args.tag);
+      else
+        req_storage->add(request);
 
       TRACE_smpi_testing_out(my_proc_id);
     }
@@ -697,7 +693,6 @@ public:
 
     /* start a simulated timer */
     smpi_process()->simulated_start();
-    set_reqq_self(new std::vector<MPI_Request>);
   }
 };
 
@@ -709,21 +704,23 @@ public:
 
 class WaitAllAction : public ReplayAction<ActionArgParser> {
 public:
-  WaitAllAction() : ReplayAction("waitAll") {}
+  WaitAllAction(RequestStorage& storage) : ReplayAction("waitAll", storage) {}
   void kernel(simgrid::xbt::ReplayAction& action) override
   {
-    const unsigned int count_requests = get_reqq_self()->size();
+    const unsigned int count_requests = req_storage->size();
 
     if (count_requests > 0) {
       TRACE_smpi_comm_in(my_proc_id, __func__, new simgrid::instr::Pt2PtTIData("waitAll", -1, count_requests, ""));
       std::vector<std::pair</*sender*/int,/*recv*/int>> sender_receiver;
-      for (const auto& req : (*get_reqq_self())) {
+      std::vector<MPI_Request> reqs;
+      req_storage->get_requests(reqs);
+      for (const auto& req : reqs) {
         if (req && (req->flags() & RECV)) {
           sender_receiver.push_back({req->src(), req->dst()});
         }
       }
       MPI_Status status[count_requests];
-      Request::waitall(count_requests, &(*get_reqq_self())[0], status);
+      Request::waitall(count_requests, &(reqs.data())[0], status);
 
       for (auto& pair : sender_receiver) {
         TRACE_smpi_recv(pair.first, pair.second, 0);
@@ -942,6 +939,8 @@ void smpi_replay_init(int* argc, char*** argv)
   smpi_process()->set_replaying(true);
 
   int my_proc_id = simgrid::s4u::this_actor::get_pid();
+  storage.resize(smpi_process_count());
+
   TRACE_smpi_init(my_proc_id);
   TRACE_smpi_computing_init(my_proc_id);
   TRACE_smpi_comm_in(my_proc_id, "smpi_replay_run_init", new simgrid::instr::NoOpTIData("init"));
@@ -952,13 +951,13 @@ void smpi_replay_init(int* argc, char*** argv)
   xbt_replay_action_register("comm_split",[](simgrid::xbt::ReplayAction& action) { simgrid::smpi::replay::CommunicatorAction().execute(action); });
   xbt_replay_action_register("comm_dup",  [](simgrid::xbt::ReplayAction& action) { simgrid::smpi::replay::CommunicatorAction().execute(action); });
 
-  xbt_replay_action_register("send",  [](simgrid::xbt::ReplayAction& action) { simgrid::smpi::replay::SendAction("send").execute(action); });
-  xbt_replay_action_register("Isend", [](simgrid::xbt::ReplayAction& action) { simgrid::smpi::replay::SendAction("Isend").execute(action); });
-  xbt_replay_action_register("recv",  [](simgrid::xbt::ReplayAction& action) { simgrid::smpi::replay::RecvAction("recv").execute(action); });
-  xbt_replay_action_register("Irecv", [](simgrid::xbt::ReplayAction& action) { simgrid::smpi::replay::RecvAction("Irecv").execute(action); });
-  xbt_replay_action_register("test",  [](simgrid::xbt::ReplayAction& action) { simgrid::smpi::replay::TestAction().execute(action); });
-  xbt_replay_action_register("wait",  [](simgrid::xbt::ReplayAction& action) { simgrid::smpi::replay::WaitAction().execute(action); });
-  xbt_replay_action_register("waitAll", [](simgrid::xbt::ReplayAction& action) { simgrid::smpi::replay::WaitAllAction().execute(action); });
+  xbt_replay_action_register("send",  [](simgrid::xbt::ReplayAction& action) { simgrid::smpi::replay::SendAction("send", storage[simgrid::s4u::this_actor::get_pid()-1]).execute(action); });
+  xbt_replay_action_register("Isend", [](simgrid::xbt::ReplayAction& action) { simgrid::smpi::replay::SendAction("Isend", storage[simgrid::s4u::this_actor::get_pid()-1]).execute(action); });
+  xbt_replay_action_register("recv",  [](simgrid::xbt::ReplayAction& action) { simgrid::smpi::replay::RecvAction("recv", storage[simgrid::s4u::this_actor::get_pid()-1]).execute(action); });
+  xbt_replay_action_register("Irecv", [](simgrid::xbt::ReplayAction& action) { simgrid::smpi::replay::RecvAction("Irecv", storage[simgrid::s4u::this_actor::get_pid()-1]).execute(action); });
+  xbt_replay_action_register("test",  [](simgrid::xbt::ReplayAction& action) { simgrid::smpi::replay::TestAction(storage[simgrid::s4u::this_actor::get_pid()-1]).execute(action); });
+  xbt_replay_action_register("wait",  [](simgrid::xbt::ReplayAction& action) { simgrid::smpi::replay::WaitAction(storage[simgrid::s4u::this_actor::get_pid()-1]).execute(action); });
+  xbt_replay_action_register("waitAll", [](simgrid::xbt::ReplayAction& action) { simgrid::smpi::replay::WaitAllAction(storage[simgrid::s4u::this_actor::get_pid()-1]).execute(action); });
   xbt_replay_action_register("barrier", [](simgrid::xbt::ReplayAction& action) { simgrid::smpi::replay::BarrierAction().execute(action); });
   xbt_replay_action_register("bcast",   [](simgrid::xbt::ReplayAction& action) { simgrid::smpi::replay::BcastAction().execute(action); });
   xbt_replay_action_register("reduce",  [](simgrid::xbt::ReplayAction& action) { simgrid::smpi::replay::ReduceAction().execute(action); });
@@ -995,20 +994,19 @@ void smpi_replay_main(int* argc, char*** argv)
 
   /* and now, finalize everything */
   /* One active process will stop. Decrease the counter*/
-  XBT_DEBUG("There are %zu elements in reqq[*]", get_reqq_self()->size());
-  if (not get_reqq_self()->empty()) {
-    unsigned int count_requests=get_reqq_self()->size();
+  unsigned int count_requests = storage[simgrid::s4u::this_actor::get_pid() - 1].size();
+  XBT_DEBUG("There are %ud elements in reqq[*]", count_requests);
+  if (count_requests > 0) {
     MPI_Request requests[count_requests];
     MPI_Status status[count_requests];
     unsigned int i=0;
 
-    for (auto const& req : *get_reqq_self()) {
-      requests[i] = req;
+    for (auto const& pair : storage[simgrid::s4u::this_actor::get_pid() - 1].get_store()) {
+      requests[i] = pair.second;
       i++;
     }
     simgrid::smpi::Request::waitall(count_requests, requests, status);
   }
-  delete get_reqq_self();
   active_processes--;
 
   if(active_processes==0){