1 /* Copyright (c) 2018-2020. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include <simgrid/plugins/load_balancer.h>
7 #include <simgrid/s4u/Actor.hpp>
8 #include <src/instr/instr_smpi.hpp>
9 #include <src/smpi/include/smpi_actor.hpp>
10 #include <src/smpi/include/smpi_comm.hpp>
11 #include <src/smpi/plugins/ampi/instr_ampi.hpp>
12 #include <xbt/replay.hpp>
13 #include <xbt/sysdep.h>
16 #include <smpi/sampi.h>
18 static std::vector<size_t> memory_size(500, 0); // FIXME cheinrich This needs to be dynamic
19 static std::map</*address*/ void*, size_t> alloc_table; // Keep track of all allocations
21 extern "C" void* _sampi_malloc(size_t size)
23 void* result = xbt_malloc(size);
24 alloc_table.insert({result, size});
25 if (not simgrid::s4u::this_actor::is_maestro()) {
26 memory_size[simgrid::s4u::this_actor::get_pid()] += size;
31 extern "C" void _sampi_free(void* ptr)
33 size_t alloc_size = alloc_table.at(ptr);
34 int my_proc_id = simgrid::s4u::this_actor::get_pid();
35 memory_size[my_proc_id] -= alloc_size;
39 extern "C" void* _sampi_calloc(size_t num_elm, size_t elem_size)
41 void* result = xbt_malloc0(num_elm * elem_size);
42 alloc_table.insert({result, num_elm * elem_size});
43 if (not simgrid::s4u::this_actor::is_maestro()) {
44 memory_size[simgrid::s4u::this_actor::get_pid()] += num_elm * elem_size;
48 extern "C" void* _sampi_realloc(void* ptr, size_t size)
50 void* result = xbt_realloc(ptr, size);
51 int old_size = alloc_table.at(ptr);
52 alloc_table.erase(ptr);
53 alloc_table.insert({result, size});
54 if (not simgrid::s4u::this_actor::is_maestro()) {
55 memory_size[simgrid::s4u::this_actor::get_pid()] += size - old_size;
64 simgrid::xbt::signal<void(simgrid::s4u::Actor const&)> on_iteration_in;
65 simgrid::xbt::signal<void(simgrid::s4u::Actor const&)> on_iteration_out;
71 /* FIXME The following contains several times "rank() + 1". This works for one
72 * instance, but we need to find a way to deal with this for several instances and
73 * for daemons: If we just replace this with the process id, we will get id's that
74 * don't start at 0 if we start daemons as well.
76 int APMPI_Iteration_in(MPI_Comm comm)
79 TRACE_Iteration_in(comm->rank() + 1, new simgrid::instr::NoOpTIData("iteration_in")); // implemented on instr_smpi.c
84 int APMPI_Iteration_out(MPI_Comm comm)
87 TRACE_Iteration_out(comm->rank() + 1, new simgrid::instr::NoOpTIData("iteration_out"));
92 void APMPI_Migrate(MPI_Comm comm)
95 int my_proc_id = simgrid::s4u::this_actor::get_pid();
96 TRACE_migration_call(comm->rank() + 1, new simgrid::instr::AmpiMigrateTIData(memory_size[my_proc_id]));
100 int AMPI_Iteration_in(MPI_Comm comm)
102 return APMPI_Iteration_in(comm);
105 int AMPI_Iteration_out(MPI_Comm comm)
107 return APMPI_Iteration_out(comm);
110 void AMPI_Migrate(MPI_Comm comm)