- xbt_cfg_register_double("smpi/running_power", "Power of the host running the simulation (in flop/s). Used to bench the operations.", 20000.0, NULL);
- xbt_cfg_register_boolean("smpi/display_timing", "Whether we should display the timing after simulation.", "no", NULL);
- xbt_cfg_register_boolean("smpi/simulate_computation", "Whether the computational part of the simulated application should be simulated.", "yes", NULL);
- xbt_cfg_register_boolean("smpi/use_shared_malloc", "Whether SMPI_SHARED_MALLOC is enabled. Disable it for debugging purposes.", "yes", NULL);
- xbt_cfg_register_double("smpi/cpu_threshold", "Minimal computation time (in seconds) not discarded, or -1 for infinity.", 1e-6, NULL);
- xbt_cfg_register_int("smpi/async_small_thresh", "Maximal size of messages that are to be sent asynchronously, without waiting for the receiver",
- 0, NULL);
- xbt_cfg_register_int("smpi/send_is_detached_thresh", "Threshold of message size where MPI_Send stops behaving like MPI_Isend and becomes MPI_Ssend",
- 65536, NULL);
-
- xbt_cfg_register_boolean("smpi/privatize_global_variables", "Whether we should privatize global variable at runtime.", "no", NULL);
- xbt_cfg_register_string("smpi/os", "Small messages timings (MPI_Send minimum time for small messages)", "1:0:0:0:0", NULL);
- xbt_cfg_register_string("smpi/ois", "Small messages timings (MPI_Isend minimum time for small messages)", "1:0:0:0:0", NULL);
- xbt_cfg_register_string("smpi/or", "Small messages timings (MPI_Recv minimum time for small messages)", "1:0:0:0:0", NULL);
- xbt_cfg_register_double("smpi/iprobe", "Minimum time to inject inside a call to MPI_Iprobe", 1e-4, _sg_cfg_cb__iprobe_sleep);
- xbt_cfg_register_double("smpi/test", "Minimum time to inject inside a call to MPI_Test", 1e-4, _sg_cfg_cb__test_sleep);
- xbt_cfg_register_double("smpi/wtime", "Minimum time to inject inside a call to MPI_Wtime", 0.0, _sg_cfg_cb__wtime_sleep);
-
- xbt_cfg_register_string("smpi/coll_selector", "Which collective selector to use", "default", NULL);
- xbt_cfg_register_string("smpi/gather", "Which collective to use for gather", nullptr, &_check_coll_gather);
- xbt_cfg_register_string("smpi/allgather", "Which collective to use for allgather", nullptr, &_check_coll_allgather);
- xbt_cfg_register_string("smpi/barrier", "Which collective to use for barrier", nullptr, &_check_coll_barrier);
- xbt_cfg_register_string("smpi/reduce_scatter", "Which collective to use for reduce_scatter", nullptr, &_check_coll_reduce_scatter);
- xbt_cfg_register_string("smpi/scatter", "Which collective to use for scatter", nullptr, &_check_coll_scatter);
- xbt_cfg_register_string("smpi/allgatherv", "Which collective to use for allgatherv", nullptr, &_check_coll_allgatherv);
- xbt_cfg_register_string("smpi/allreduce", "Which collective to use for allreduce", nullptr, &_check_coll_allreduce);
- xbt_cfg_register_string("smpi/alltoall", "Which collective to use for alltoall", nullptr, &_check_coll_alltoall);
- xbt_cfg_register_string("smpi/alltoallv", "Which collective to use for alltoallv", nullptr, &_check_coll_alltoallv);
- xbt_cfg_register_string("smpi/bcast", "Which collective to use for bcast", nullptr, &_check_coll_bcast);
- xbt_cfg_register_string("smpi/reduce", "Which collective to use for reduce", nullptr, &_check_coll_reduce);
+ simgrid::config::declare_flag<double>("smpi/host-speed", "Speed of the host running the simulation (in flop/s). "
+ "Used to bench the operations.",
+ 20000.0, [](const double& val) {
+ xbt_assert(val > 0.0, "Invalid value (%f) for 'smpi/host-speed': it must be positive.", val);
+ });
+ simgrid::config::alias("smpi/host-speed", {"smpi/running_power", "smpi/running-power"});
+
+ simgrid::config::declare_flag<bool>("smpi/keep-temps", "Whether we should keep the generated temporary files.",
+ false);
+
+ simgrid::config::declare_flag<bool>("smpi/display-timing", "Whether we should display the timing after simulation.",
+ false);
+ simgrid::config::alias("smpi/display-timing", {"smpi/display_timing"});
+
+ simgrid::config::declare_flag<bool>(
+ "smpi/simulate-computation", "Whether the computational part of the simulated application should be simulated.",
+ true);
+ simgrid::config::alias("smpi/simulate-computation", {"smpi/simulate_computation"});
+
+ simgrid::config::declare_flag<std::string>(
+ "smpi/shared-malloc", "Whether SMPI_SHARED_MALLOC is enabled. Disable it for debugging purposes.", "global");
+ simgrid::config::alias("smpi/shared-malloc", {"smpi/use_shared_malloc", "smpi/use-shared-malloc"});
+ simgrid::config::declare_flag<double>("smpi/shared-malloc-blocksize",
+ "Size of the bogus file which will be created for global shared allocations",
+ 1UL << 20);
+ simgrid::config::declare_flag<double>("smpi/auto-shared-malloc-thresh",
+ "Threshold size for the automatic sharing of memory",
+ 0);
+
+ simgrid::config::declare_flag<std::string>("smpi/shared-malloc-hugepage",
+ "Path to a mounted hugetlbfs, to use huge pages with shared malloc.", "");
+
+ simgrid::config::declare_flag<double>(
+ "smpi/cpu-threshold", "Minimal computation time (in seconds) not discarded, or -1 for infinity.", 1e-6);
+ simgrid::config::alias("smpi/cpu-threshold", {"smpi/cpu_threshold"});
+
+ simgrid::config::declare_flag<int>(
+ "smpi/async-small-thresh",
+ "Maximal size of messages that are to be sent asynchronously, without waiting for the receiver", 0);
+ simgrid::config::alias("smpi/async-small-thresh", {"smpi/async_small_thres", "smpi/async_small_thresh"});
+
+ simgrid::config::declare_flag<bool>("smpi/trace-call-location",
+ "Should filename and linenumber of MPI calls be traced?", false);
+ simgrid::config::declare_flag<bool>("smpi/trace-call-use-absolute-path",
+ "Should filenames for trace-call tracing be absolute or not?", false);
+ simgrid::config::declare_flag<int>(
+ "smpi/send-is-detached-thresh",
+ "Threshold of message size where MPI_Send stops behaving like MPI_Isend and becomes MPI_Ssend", 65536);
+ simgrid::config::alias("smpi/send-is-detached-thresh",
+ {"smpi/send_is_detached_thres", "smpi/send_is_detached_thresh"});
+
+ const char* default_privatization = std::getenv("SMPI_PRIVATIZATION");
+ if (default_privatization == nullptr)
+ default_privatization = "no";
+
+ simgrid::config::declare_flag<std::string>(
+ "smpi/privatization", "How we should privatize global variable at runtime (no, yes, mmap, dlopen).",
+ default_privatization);
+ simgrid::config::alias("smpi/privatization", {"smpi/privatize_global_variables", "smpi/privatize-global-variables"});
+
+ simgrid::config::declare_flag<std::string>(
+ "smpi/privatize-libs", "Add libraries (; separated) to privatize (libgfortran for example). You need to provide the full names of the files (libgfortran.so.4), or its full path", "");
+
+ simgrid::config::declare_flag<bool>("smpi/grow-injected-times",
+ "Whether we want to make the injected time in MPI_Iprobe and MPI_Test grow, to "
+ "allow faster simulation. This can make simulation less precise, though.",
+ true);
+
+#if HAVE_PAPI
+ simgrid::config::declare_flag<std::string>("smpi/papi-events",
+ "This switch enables tracking the specified counters with PAPI", "");
+#endif
+ simgrid::config::declare_flag<std::string>("smpi/comp-adjustment-file",
+ "A file containing speedups or slowdowns for some parts of the code.", "");
+ simgrid::config::declare_flag<std::string>(
+ "smpi/os", "Small messages timings (MPI_Send minimum time for small messages)", "0:0:0:0:0");
+ simgrid::config::declare_flag<std::string>(
+ "smpi/ois", "Small messages timings (MPI_Isend minimum time for small messages)", "0:0:0:0:0");
+ simgrid::config::declare_flag<std::string>(
+ "smpi/or", "Small messages timings (MPI_Recv minimum time for small messages)", "0:0:0:0:0");
+
+ simgrid::config::declare_flag<double>("smpi/iprobe-cpu-usage",
+ "Maximum usage of CPUs by MPI_Iprobe() calls. We've observed that MPI_Iprobes "
+ "consume significantly less power than the maximum of a specific application. "
+ "This value is then (Iprobe_Usage/Max_Application_Usage).",
+ 1.0);
+
+ simgrid::config::declare_flag<std::string>("smpi/coll-selector", "Which collective selector to use", "default");
+ simgrid::config::alias("smpi/coll-selector", {"smpi/coll_selector"});
+ simgrid::config::declare_flag<std::string>("smpi/gather", "Which collective to use for gather", "");
+ simgrid::config::declare_flag<std::string>("smpi/allgather", "Which collective to use for allgather", "");
+ simgrid::config::declare_flag<std::string>("smpi/barrier", "Which collective to use for barrier", "");
+ simgrid::config::declare_flag<std::string>("smpi/reduce_scatter", "Which collective to use for reduce_scatter", "");
+ simgrid::config::alias("smpi/reduce_scatter", {"smpi/reduce-scatter"});
+ simgrid::config::declare_flag<std::string>("smpi/scatter", "Which collective to use for scatter", "");
+ simgrid::config::declare_flag<std::string>("smpi/allgatherv", "Which collective to use for allgatherv", "");
+ simgrid::config::declare_flag<std::string>("smpi/allreduce", "Which collective to use for allreduce", "");
+ simgrid::config::declare_flag<std::string>("smpi/alltoall", "Which collective to use for alltoall", "");
+ simgrid::config::declare_flag<std::string>("smpi/alltoallv", "Which collective to use for alltoallv", "");
+ simgrid::config::declare_flag<std::string>("smpi/bcast", "Which collective to use for bcast", "");
+ simgrid::config::declare_flag<std::string>("smpi/reduce", "Which collective to use for reduce", "");