X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/fc5dcac1115a7112e7ad9d67ce7fe233790e0887..de044764fcc724b2bbfa26ccf77804070498aa12:/options.cpp diff --git a/options.cpp b/options.cpp index d51fee2..6a6a887 100644 --- a/options.cpp +++ b/options.cpp @@ -1,87 +1,259 @@ -#include +#include #include -#include +#include +#include +#include // getopt #include -#include "options.h" -#include "misc.h" -XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simu); +XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(main); + +#include "deployment.h" +#include "process.h" +#include "loba_simple.h" +#include "loba_fairstrategy.h" + +#include "options.h" namespace opt { - const char* program_name; + // Constants - const char* platform_file; - const char* application_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("clique"); + unsigned nhosts = 0; + double load = 0.0; + } + + // Load balancing algorithm + std::string loba_algo("simple"); bool bookkeeping = false; - cost_func comp_cost("1e9, 0"); // fixme: find better defaults + // Application parameters + // fixme: find better defaults + cost_func comp_cost("1e9, 0"); + cost_func comm_cost("1, 0"); -} // namespace opt + // Parameters for the end of the simulation + // fixme: find better defaults + unsigned comp_maxiter = 10; + unsigned lb_maxiter = comp_maxiter; + bool exit_on_close = false; -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 + +namespace { + + // local helper class + class opt_helper { + public: + static const char* on_off(bool b); + const char* descr(const char* str); + template + const char* val_or_string(const T& val, const char* str, + const T& deflt = 0); + template + static bool nol_find_prefix(const T& nol, const char* descr, + std::string& name); + + private: + std::string descr_str; + std::string val_or_string_str; + }; + +} // namespace + +const char* opt_helper::on_off(bool b) +{ + return b ? "on" : "off"; } -int opt::parse_args(int* argc, char* argv[]) +const char* opt_helper::descr(const char* str) { - int result = 1; + const int descr_width = 35; + std::string& res = descr_str; + res = str; + res.resize(descr_width, '.'); + return res.c_str(); +} - char* tmp = strrchr(argv[0], '/'); - opt::program_name = (tmp ? tmp + 1 : argv[0]); +template +const char* opt_helper::val_or_string(const T& val, const char* str, + const T& deflt) +{ + std::string& res = val_or_string_str; + if (val != deflt) { + std::ostringstream oss; + oss << val; + res = oss.str(); + } else { + res = str; + } + return res.c_str(); +} +template +bool opt_helper::nol_find_prefix(const T& nol, const char* descr, + std::string& name) +{ + bool result = nol.exists(name); + if (!result) { + std::stack candidates; + for (typename T::iterator it = nol.begin() ; it != nol.end() ; ++it) { + const std::string& fullname = nol.get_name(it); + if (fullname.compare(0, name.length(), name) == 0) + candidates.push(fullname); + } + switch (candidates.size()) { + case 0: + ERROR2("unknownw %s -- %s", descr, name.c_str()); + break; + case 1: + name = candidates.top(); + candidates.pop(); + result = true; + DEBUG2("infered %s -- %s", descr, name.c_str()); + break; + default: + ERROR2("ambiguous %s -- %s", descr, name.c_str()); + while (!candidates.empty()) { + ERROR1(" candidates are -- %s", candidates.top().c_str()); + candidates.pop(); + } + break; + } + } + return result; +} + +bool opt::parse_args(int* argc, char* argv[]) +{ + bool result = true; + + opt::program_name = argv[0]; + opt::program_name.erase(0, 1 + opt::program_name.find_last_of('/')); + int c; opterr = 0; - while ((c = getopt(*argc, argv, "bc:hV")) != -1) { + while ((c = getopt(*argc, argv, "a:bc:C:ehi:I:l:L:N:T:vV")) != -1) { switch (c) { + case 'a': + opt::loba_algo = optarg; + result = opt_helper::nol_find_prefix(opt::loba_algorithms, + "load balancing algorithm", + opt::loba_algo) + && result; + break; case 'b': opt::bookkeeping = true; break; + case 'e': + opt::exit_on_close = true; + break; case 'h': opt::help_requested++; break; case 'c': opt::comp_cost = cost_func(optarg); break; + case 'C': + opt::comm_cost = cost_func(optarg); + break; + case 'i': + std::istringstream(optarg) >> opt::comp_maxiter; + break; + case 'I': + std::istringstream(optarg) >> opt::lb_maxiter; + ERROR0("option -I not implemented yet"); + result = false; + break; + case 'l': + std::istringstream(optarg) >> opt::log_rate; + break; + case 'L': + std::istringstream(optarg) >> opt::auto_depl::load; + break; + case 'N': + std::istringstream(optarg) >> opt::auto_depl::nhosts; + break; + case 'T': + opt::auto_depl::topology = optarg; + result = opt_helper::nol_find_prefix(opt::topologies, "topology", + opt::auto_depl::topology) + && result; + break; + case 'v': + // nothing to do: this option is checked at the very + // beginning of main() + break; case 'V': opt::version_requested = true; break; case '?': ERROR1("invalid option -- '%c'", optopt); - result = 0; + result = false; break; } } + if (opt::version_requested || opt::help_requested) return 1; - int rem_args = *argc - optind; - switch (rem_args) { - case 0: + if (optind < *argc) { + opt::platform_file = argv[optind++]; + } else { ERROR0("missing parameter -- "); - case 1: - ERROR0("missing parameter -- "); - result = 0; - break; - - default: - opt::platform_file = argv[optind]; - opt::application_file = argv[optind + 1]; - if (rem_args == 2) - break; - for (int i = optind + 2 ; i < *argc ; ++i) - ERROR1("unused parameter -- \"%s\"", argv[i]); - result = 0; - break; + result = false; + } + 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++]); + result = false; } return result; @@ -89,40 +261,129 @@ int opt::parse_args(int* argc, char* argv[]) void opt::print() { + opt_helper h; + +#define DESCR(description, format, value) \ + INFO2("| %s: " format, h.descr(description), value) + INFO0(",----[ Simulation parameters ]"); - INFO1("| platform_file.......: \"%s\"", opt::platform_file); - INFO1("| application_file....: \"%s\"", opt::application_file); - INFO1("| bookkeeping.........: %s", on_off(opt::bookkeeping)); - INFO1("| comp. cost factors..: [%s]", opt::comp_cost.to_string().c_str()); + DESCR("log rate", "%s", h.val_or_string(log_rate, "disabled")); + DESCR("platform file", "\"%s\"", platform_file.c_str()); + if (auto_depl::enabled) { + INFO0("| automatic deployment enabled"); + DESCR("- topology", "%s", auto_depl::topology.c_str()); + DESCR("- number of hosts", "%s", h.val_or_string(auto_depl::nhosts, + "auto")); + DESCR("- initial load", "%s", h.val_or_string(auto_depl::load, + "auto")); + } else { + DESCR("deployment file", "\"%s\"", deployment_file.c_str()); + } + DESCR("load balancing algorithm", "%s", loba_algo.c_str()); + DESCR("bookkeeping", "%s", h.on_off(bookkeeping)); + DESCR("computation cost factors", "[%s]", comp_cost.to_string().c_str()); + DESCR("communication cost factors", "[%s]", comm_cost.to_string().c_str()); + DESCR("maximum number of comp. iterations", "%s", + h.val_or_string(comp_maxiter, "infinity")); + DESCR("maximum number of lb. iterations", "%s", + h.val_or_string(lb_maxiter, "infinity")); + DESCR("exit on close", "%s", h.on_off(exit_on_close)); INFO0("`----"); + +#undef DESCR } -#include void opt::usage() { - const int indent1 = 6; - const int indent2 = 12; + // option(...) +#define o(opt) " " << std::setw(14) \ + << std::left << (opt) << std::right << " " + // 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) -#define oo(opt, arg) std::setw(indent1) << (opt) << " " \ - << std::setw(indent2) << std::left << (arg) << std::right -#define o(opt) oo(opt, "") 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 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 << oo("-c", "[fn,...]f0") - << "polynomial factors for computation cost (" - << opt::comp_cost.to_string() << ")\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 (\"virtual load\")\n"; + + std::clog << "\nApplication parameters\n"; + std::clog << o("-c [fn,...]f0") + << "polynomial factors for computation cost" + << " (" << opt::comp_cost.to_string() << ")\n"; + std::clog << o("-C [fn,...]f0") + << "polynomial factors for communication cost" + << " (" << opt::comm_cost.to_string() << ")\n"; + + std::clog << "\nParameters for the end of the simulation\n"; + std::clog << o("-i value") + << "maximum number of comp. iterations, 0 for infinity" + << " (" << opt::comp_maxiter << ")\n"; + std::clog << o("-I value") + << "maximum number of lb. iterations, 0 for infinity" + << " (" << opt::lb_maxiter << ")\n"; + std::clog << o("-e") << "exit on reception of \"close\" message\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"; + + // std::clog << "\nMiscellaneous low-level parameters\n"; + +#undef so_list +#undef so #undef o -#undef oo } // Local variables: