X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/d43e446400ac7b65d7d2dd3acd57f8f669484449..50a00235743c59840ee2db2258e9e6dd7444f646:/options.cpp diff --git a/options.cpp b/options.cpp index 6880969..2c8e61d 100644 --- a/options.cpp +++ b/options.cpp @@ -1,51 +1,79 @@ -#include "options.h" - #include #include #include #include // getopt #include -#include "misc.h" XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(main); +#include "loba_simple.h" +#include "loba_fairstrategy.h" + +#include "options.h" + namespace opt { - std::string program_name; + // Constants - std::string platform_file; - std::string deployment_file; + // A sum of loads if considered null if it is less than + // load_ratio_threshold percent of the sum of loads at init. + const double load_ratio_threshold = 1e-4; + // Global options + std::string program_name; int help_requested = 0; bool version_requested = false; + // Simulation parameters unsigned log_rate = 1; + // Platform and deployment + std::string platform_file; + std::string deployment_file; + + // Automatic deployment namespace auto_depl { bool enabled = false; - std::string topology; + std::string topology("clique"); unsigned nhosts = 0; double load = 0.0; } - unsigned maxiter = 4; // fixme - bool exit_on_close = false; - + // Load balancing algorithm + std::string loba_algo("simple"); bool bookkeeping = false; + // Application parameters cost_func comp_cost("1e9, 0"); // fixme: find better defaults cost_func comm_cost("1, 0"); // fixme: find better defaults + unsigned maxiter = 10; // fixme: find better defaults + bool exit_on_close = false; -} // namespace opt - -namespace { + // Named parameters lists + loba_algorithms_type loba_algorithms; + loba_algorithms_type::loba_algorithms_type() + { + NOL_INSERT("fairstrategy", "balance with fair strategy", loba_fairstrategy); + NOL_INSERT("none", "no load-balancing (for testing only)", process); + NOL_INSERT("simple", "balance with least loaded neighbor", loba_simple); + } - const char* on_off(bool b) + topologies_type topologies; + topologies_type::topologies_type() { - return b ? "on" : "off"; + NOL_INSERT("btree", "binary tree topology, initial load at root", + deployment_btree); + NOL_INSERT("clique", "all connected topology", deployment_clique); + NOL_INSERT("hcube", "hypercube topology", deployment_hcube); + NOL_INSERT("line", "line topology, initial load at one end", + deployment_line); + NOL_INSERT("ring", "ring topology", deployment_ring); + NOL_INSERT("star", "star topology, initial load at center", + deployment_star); + NOL_INSERT("torus", "torus topology", deployment_torus); } -} +} // namespace opt int opt::parse_args(int* argc, char* argv[]) { @@ -56,8 +84,16 @@ int opt::parse_args(int* argc, char* argv[]) int c; opterr = 0; - while ((c = getopt(*argc, argv, "bc:C:ehi:l:L:N:T:V")) != -1) { + while ((c = getopt(*argc, argv, "a:bc:C:ehi:l:L:N:T:vV")) != -1) { switch (c) { + case 'a': + opt::loba_algo = optarg; + if (!opt::loba_algorithms.exists(opt::loba_algo)) { + ERROR1("unknownw load balancing algorithm -- %s", + opt::loba_algo.c_str()); + result = 0; + } + break; case 'b': opt::bookkeeping = true; break; @@ -86,7 +122,16 @@ int opt::parse_args(int* argc, char* argv[]) std::istringstream(optarg) >> opt::auto_depl::nhosts; break; case 'T': - opt::auto_depl::topology = optarg; + opt::auto_depl::topology = optarg; + if (!opt::topologies.exists(opt::auto_depl::topology)) { + ERROR1("unknownw topology -- %s", + opt::auto_depl::topology.c_str()); + result = 0; + } + break; + case 'v': + // nothing to do: this option is checked at the very + // beginning of main() break; case 'V': opt::version_requested = true; @@ -97,7 +142,6 @@ int opt::parse_args(int* argc, char* argv[]) break; } } - opt::auto_depl::enabled = !opt::auto_depl::topology.empty(); if (opt::version_requested || opt::help_requested) return 1; @@ -108,14 +152,10 @@ int opt::parse_args(int* argc, char* argv[]) ERROR0("missing parameter -- "); result = 0; } - if (!opt::auto_depl::enabled) { - if (optind < *argc) { - opt::deployment_file = argv[optind++]; - } else { - ERROR0("missing parameter -- "); - result = 0; - } + if (optind < *argc) { + opt::deployment_file = argv[optind++]; } + opt::auto_depl::enabled = opt::deployment_file.empty(); while (optind < *argc) { ERROR1("unused parameter -- \"%s\"", argv[optind++]); @@ -125,45 +165,113 @@ int opt::parse_args(int* argc, char* argv[]) return result; } +namespace { + + // some helper functions for opt::print() + + const char* on_off(bool b) + { + return b ? "on" : "off"; + } + + template + const char* val_or_string(const T& val, const char* str, const T& deflt = 0) + { + static std::string res; + if (val != deflt) { + std::ostringstream oss; + oss << val; + res = oss.str(); + } else { + res = str; + } + return res.c_str(); + } + +} // namespace + void opt::print() { INFO0(",----[ Simulation parameters ]"); - INFO1("| platform file.......: \"%s\"", opt::platform_file.c_str()); + INFO1("| log rate.....................: %s", + val_or_string(opt::log_rate, "disabled")); + INFO1("| platform file................: \"%s\"", opt::platform_file.c_str()); if (opt::auto_depl::enabled) { - INFO0("| automatic deployment enabled with:"); - INFO1("| topology........: %s", opt::auto_depl::topology.c_str()); - INFO1("| number of hosts.: %u", opt::auto_depl::nhosts); - INFO1("| initial load....: %g", opt::auto_depl::load); + INFO0("| automatic deployment enabled"); + INFO1("| - topology...................: %s", opt::auto_depl::topology.c_str()); + INFO1("| - number of hosts............: %s", + val_or_string(opt::auto_depl::nhosts, "auto")); + INFO1("| - initial load...............: %s", + val_or_string(opt::auto_depl::load, "auto")); } else { - INFO1("| deployment file.....: \"%s\"", opt::deployment_file.c_str()); + INFO1("| deployment file..............: \"%s\"", opt::deployment_file.c_str()); } - INFO1("| log rate............: %u", opt::log_rate); - INFO1("| maxiter.............: %u", opt::maxiter); - INFO1("| exit on close.......: %s", on_off(opt::exit_on_close)); - INFO1("| bookkeeping.........: %s", on_off(opt::bookkeeping)); - INFO1("| comp. cost factors..: [%s]", opt::comp_cost.to_string().c_str()); - INFO1("| comm. cost factors..: [%s]", opt::comm_cost.to_string().c_str()); + INFO1("| load balancing algorithm.....: %s", opt::loba_algo.c_str()); + INFO1("| bookkeeping..................: %s", on_off(opt::bookkeeping)); + INFO1("| computation cost factors.....: [%s]", opt::comp_cost.to_string().c_str()); + INFO1("| communication cost factors...: [%s]", opt::comm_cost.to_string().c_str()); + INFO1("| maximum number of iterations.: %s", + val_or_string(opt::maxiter, "infinity")); + INFO1("| exit on close................: %s", on_off(opt::exit_on_close)); INFO0("`----"); } void opt::usage() { + // option(...) #define o(opt) " " << std::setw(14) \ << std::left << (opt) << std::right << " " -#define so(subopt) std::setw(10) << (subopt) << ": " + // sub-option(...) +#define so(subopt) std::setw(18) << (subopt) << " : " + // sub-option list +#define so_list(name) do { \ + name ## _type::iterator it; \ + for (it = name.begin() ; it != name.end() ; ++it) \ + std::clog << so(name.get_name(it)) \ + << name.get_descr(it) << "\n"; \ + } while (0) + std::clog << "Usage: " << opt::program_name - << " [options] \n"; + << " [options] []\n"; + std::clog << "\nGlobal options\n"; std::clog << o("-h") - << "print help and exit (use -hh for extended help)\n"; + << "print help and exit (use -hh or -hhh for extended help)\n"; if (opt::help_requested < 1) return; std::clog << o("--help") << "print help from SimGrid framework and exit\n"; std::clog << o("-V") << "print version and exit\n"; - std::clog << o("-b") << "activate bookkeeping\n"; + std::clog << "\nSimulation parameters\n"; + std::clog << o("-l value") + << "print current load every n-th iterations, 0 to disable" + << " (" << opt::log_rate << ")\n"; + std::clog << o("-v") + << "verbose: do not override the default logging parameters\n"; + + std::clog << "\nAutomatic deployment options\n"; + std::clog << o("-T name") + << "enable automatic deployment with selected topology" + << " (" << opt::auto_depl::topology << ")\n"; + if (opt::help_requested > 1) + so_list(opt::topologies); + std::clog << o("-L value") + << "total load with auto deployment, 0 for number of hosts" + << " (" << opt::auto_depl::load << ")\n"; + std::clog << o("-N value") + << "number of hosts to use with auto deployment," + << " 0 for max. (" << opt::auto_depl::nhosts << ")\n"; + + std::clog << "\nLoad balancing algorithm\n"; + std::clog << o("-a name") << "load balancing algorithm" + << " (" << opt::loba_algo << ")\n"; + if (opt::help_requested > 1) + so_list(opt::loba_algorithms); + std::clog << o("-b") << "enable bookkeeping\n"; + + std::clog << "\nApplication parameters\n"; std::clog << o("-c [fn,...]f0") << "polynomial factors for computation cost" << " (" << opt::comp_cost.to_string() << ")\n"; @@ -174,24 +282,24 @@ void opt::usage() std::clog << o("-i value") << "maximum number of iterations, 0 for infinity" << " (" << opt::maxiter << ")\n"; - std::clog << o("-l value") - << "print current load every n-th iterations, 0 to disable" - << " (" << opt::log_rate << ")\n"; - std::clog << o("-L value") - << "total load with auto deployment, 0 for number of hosts" - << " (" << opt::auto_depl::load << ")\n"; - std::clog << o("-N value") - << "number of hosts to use with auto deployment," - << " 0 for max. (" << opt::auto_depl::nhosts << ")\n"; - std::clog << o("-T type") - << "enable automatic deployment with selected topology\n"; - if (opt::help_requested > 1) { - std::clog << so(1) << "pipo\n"; - std::clog << so(42) << "atchoum\n"; - } + if (opt::help_requested < 3) + return; + + std::clog << "\nLogging support\n" + << " See SimGrid documentation on:\n" + << " http://simgrid.gforge.inria.fr/doc/group__XBT__log.html#log_user\n" + << " Existing categories are:\n" + << " simu : root of following categories\n" + << " main : messages from global infrastructure\n" + << " depl : messages from auto deployment (inherited from main)\n" + << " comm : messages from asynchronous pipes\n" + << " proc : messages from base process class\n" + << " loba : messages from load-balancer\n"; + +#undef so_list +#undef so #undef o -#undef oo } // Local variables: