X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/78cfd86352a4b7097c255e40e8eb98619d515926..2ba8549e0a8371efc09c66bad197097f88d93366:/src/simgrid/sg_config.cpp diff --git a/src/simgrid/sg_config.cpp b/src/simgrid/sg_config.cpp index 11bd7dd3bb..a49ed06c88 100644 --- a/src/simgrid/sg_config.cpp +++ b/src/simgrid/sg_config.cpp @@ -1,4 +1,4 @@ -/* Copyright (c) 2009-2019. The SimGrid Team. All rights reserved. */ +/* Copyright (c) 2009-2021. The SimGrid Team. All rights reserved. */ /* This program is free software; you can redistribute it and/or modify it * under the terms of the license (GNU LGPL) which comes with this package. */ @@ -13,6 +13,7 @@ #include "src/kernel/lmm/maxmin.hpp" #include "src/mc/mc_config.hpp" #include "src/mc/mc_replay.hpp" +#include "src/smpi/include/smpi_config.hpp" #include "src/surf/surf_interface.hpp" #include "surf/surf.hpp" #include "xbt/config.hpp" @@ -46,11 +47,10 @@ int _sg_cfg_init_status = 0; static void sg_config_cmd_line(int *argc, char **argv) { bool shall_exit = false; - int i; - int j; bool parse_args = true; // Stop parsing the parameters once we found '--' - for (j = i = 1; i < *argc; i++) { + int j = 1; + for (int i = j; i < *argc; i++) { if (not strcmp("--", argv[i])) { parse_args = false; // Remove that '--' from the arguments @@ -277,26 +277,36 @@ void sg_config_init(int *argc, char **argv) simgrid::config::bind_flag(sg_maxmin_precision, "maxmin/precision", "Numerical precision used when computing resource sharing (in flops/sec or bytes/sec)"); - simgrid::config::bind_flag(sg_concurrency_limit, "maxmin/concurrency-limit", {"maxmin/concurrency_limit"}, + simgrid::config::bind_flag(sg_concurrency_limit, "maxmin/concurrency-limit", "Maximum number of concurrent variables in the maxmim system. Also limits the number of " "processes on each host, at higher level. (default: -1 means no such limitation)"); /* The parameters of network models */ sg_latency_factor = 13.01; // comes from the default LV08 network model - simgrid::config::bind_flag(sg_latency_factor, "network/latency-factor", {"network/latency_factor"}, + simgrid::config::bind_flag(sg_latency_factor, "network/latency-factor", "Correction factor to apply to the provided latency (default value set by network model)"); sg_bandwidth_factor = 0.97; // comes from the default LV08 network model simgrid::config::bind_flag( - sg_bandwidth_factor, "network/bandwidth-factor", {"network/bandwidth_factor"}, + sg_bandwidth_factor, "network/bandwidth-factor", "Correction factor to apply to the provided bandwidth (default value set by network model)"); sg_weight_S_parameter = 20537; // comes from the default LV08 network model simgrid::config::bind_flag( - sg_weight_S_parameter, "network/weight-S", {"network/weight_S"}, + sg_weight_S_parameter, "network/weight-S", "Correction factor to apply to the weight of competing streams (default value set by network model)"); + simgrid::config::declare_flag("network/loopback-lat", + "For network models with an implicit loopback link (L07, CM02, LV08), " + "latency of the loopback link. 0 by default", + 0); + + simgrid::config::declare_flag("network/loopback-bw", + "For network models with an implicit loopback link (L07, CM02, LV08), " + "bandwidth of the loopback link. 10GBps by default", + 10e9); + /* Inclusion path */ simgrid::config::declare_flag("path", "Lookup path for inclusions in platform and deployment XML files", "", [](std::string const& path) { @@ -308,16 +318,13 @@ void sg_config_init(int *argc, char **argv) "Update the constraint set propagating recursively to others constraints " "(off by default unless optim is set to lazy)", "no"); - simgrid::config::alias("cpu/maxmin-selective-update", {"cpu/maxmin_selective_update"}); simgrid::config::declare_flag("network/maxmin-selective-update", "Update the constraint set propagating " "recursively to others constraints (off by " "default unless optim is set to lazy)", "no"); - simgrid::config::alias("network/maxmin-selective-update", {"network/maxmin_selective_update"}); simgrid::config::declare_flag("contexts/stack-size", "Stack size of contexts in KiB (not with threads)", 8 * 1024, [](int value) { smx_context_stack_size = value * 1024; }); - simgrid::config::alias("contexts/stack-size", {"contexts/stack_size"}); /* guard size for contexts stacks in memory pages */ #if defined(_WIN32) || (PTH_STACKGROWTH != -1) @@ -328,15 +335,9 @@ void sg_config_init(int *argc, char **argv) simgrid::config::declare_flag("contexts/guard-size", "Guard size for contexts stacks in memory pages", default_guard_size, [](int value) { smx_context_guard_size = value * xbt_pagesize; }); - simgrid::config::alias("contexts/guard-size", {"contexts/guard_size"}); simgrid::config::declare_flag("contexts/nthreads", "Number of parallel threads used to execute user contexts", 1, &SIMIX_context_set_nthreads); - simgrid::config::declare_flag("contexts/parallel-threshold", - "Minimal number of user contexts to be run in parallel (raw contexts only)", 2, - &SIMIX_context_set_parallel_threshold); - simgrid::config::alias("contexts/parallel-threshold", {"contexts/parallel_threshold"}); - /* synchronization mode for parallel user contexts */ #if HAVE_FUTEX_H std::string default_synchro_mode = "futex"; @@ -355,122 +356,14 @@ void sg_config_init(int *argc, char **argv) "meaning if(size >=thresholdN ) return valueN.", "65472:0.940694;15424:0.697866;9376:0.58729;5776:1.08739;3484:0.77493;" "1426:0.608902;732:0.341987;257:0.338112;0:0.812084"); - simgrid::config::alias("smpi/bw-factor", {"smpi/bw_factor"}); simgrid::config::declare_flag("smpi/lat-factor", "Latency factors for smpi.", "65472:11.6436;15424:3.48845;9376:2.59299;5776:2.18796;3484:1.88101;" "1426:1.61075;732:1.9503;257:1.95341;0:2.01467"); - simgrid::config::alias("smpi/lat-factor", {"smpi/lat_factor"}); simgrid::config::declare_flag("smpi/IB-penalty-factors", "Correction factor to communications using Infiniband model with " "contention (default value based on Stampede cluster profiling)", "0.965;0.925;1.35"); - simgrid::config::alias("smpi/IB-penalty-factors", {"smpi/IB_penalty_factors"}); - -#if HAVE_SMPI - simgrid::config::declare_flag("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("smpi/keep-temps", "Whether we should keep the generated temporary files.", - false); - - simgrid::config::declare_flag("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( - "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( - "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("smpi/shared-malloc-blocksize", - "Size of the bogus file which will be created for global shared allocations", - 1UL << 20); - simgrid::config::declare_flag("smpi/auto-shared-malloc-thresh", - "Threshold size for the automatic sharing of memory", - 0); - - simgrid::config::declare_flag("smpi/shared-malloc-hugepage", - "Path to a mounted hugetlbfs, to use huge pages with shared malloc.", ""); - - simgrid::config::declare_flag( - "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( - "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("smpi/trace-call-location", - "Should filename and linenumber of MPI calls be traced?", false); - simgrid::config::declare_flag("smpi/trace-call-use-absolute-path", - "Should filenames for trace-call tracing be absolute or not?", false); - simgrid::config::declare_flag( - "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( - "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( - "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("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("smpi/papi-events", - "This switch enables tracking the specified counters with PAPI", ""); -#endif - simgrid::config::declare_flag("smpi/comp-adjustment-file", - "A file containing speedups or slowdowns for some parts of the code.", ""); - simgrid::config::declare_flag( - "smpi/os", "Small messages timings (MPI_Send minimum time for small messages)", "0:0:0:0:0"); - simgrid::config::declare_flag( - "smpi/ois", "Small messages timings (MPI_Isend minimum time for small messages)", "0:0:0:0:0"); - simgrid::config::declare_flag( - "smpi/or", "Small messages timings (MPI_Recv minimum time for small messages)", "0:0:0:0:0"); - - simgrid::config::declare_flag("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("smpi/coll-selector", "Which collective selector to use", "default"); - simgrid::config::alias("smpi/coll-selector", {"smpi/coll_selector"}); - simgrid::config::declare_flag("smpi/gather", "Which collective to use for gather", ""); - simgrid::config::declare_flag("smpi/allgather", "Which collective to use for allgather", ""); - simgrid::config::declare_flag("smpi/barrier", "Which collective to use for barrier", ""); - simgrid::config::declare_flag("smpi/reduce_scatter", "Which collective to use for reduce_scatter", ""); - simgrid::config::alias("smpi/reduce_scatter", {"smpi/reduce-scatter"}); - simgrid::config::declare_flag("smpi/scatter", "Which collective to use for scatter", ""); - simgrid::config::declare_flag("smpi/allgatherv", "Which collective to use for allgatherv", ""); - simgrid::config::declare_flag("smpi/allreduce", "Which collective to use for allreduce", ""); - simgrid::config::declare_flag("smpi/alltoall", "Which collective to use for alltoall", ""); - simgrid::config::declare_flag("smpi/alltoallv", "Which collective to use for alltoallv", ""); - simgrid::config::declare_flag("smpi/bcast", "Which collective to use for bcast", ""); - simgrid::config::declare_flag("smpi/reduce", "Which collective to use for reduce", ""); -#endif // HAVE_SMPI - /* Others */ simgrid::config::declare_flag(