X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/cd488767770ec6e9fb9437dcdd589af3fb02fbb7..802ce8090d999864f8b55f6c2e19ac4fe0805ff3:/options.cpp diff --git a/options.cpp b/options.cpp index 86cec69..e9aa9b0 100644 --- a/options.cpp +++ b/options.cpp @@ -7,8 +7,12 @@ XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(main); +#include "deployment.h" +#include "process.h" #include "loba_simple.h" #include "loba_fairstrategy.h" +#include "loba_makhoul.h" +#include "misc.h" #include "options.h" @@ -26,7 +30,7 @@ namespace opt { bool version_requested = false; // Simulation parameters - unsigned log_rate = 1; + int log_rate = 1; // Platform and deployment std::string platform_file; @@ -43,20 +47,35 @@ namespace opt { // Load balancing algorithm std::string loba_algo("simple"); bool bookkeeping = false; + double min_lb_iter_duration = 1.0; // fixme: find better defaults + double min_transfer_amount = 0.0; + double max_transfer_amount = 0.0; // 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; + cost_func comp_cost("1e9, 0"); // fixme: find better defaults + cost_func comm_cost("1e6, 0"); // fixme: find better defaults + double min_comp_iter_duration = 1.0; // fixme: find better defaults + unsigned comp_iter_delay = 0; // fixme: find better defaults + double comp_time_delay = 0.0; // fixme: find better defaults + + // Parameters for the end of the simulation + unsigned lb_maxiter = 0; + unsigned comp_maxiter = 0; + double time_limit = 0; + bool exit_on_close = true; // 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); + NOL_INSERT("fairstrategy", "balance with fair strategy", + loba_fairstrategy); + NOL_INSERT("makhoul", "balance with Makhoul's PhD algorithm", + loba_makhoul); + NOL_INSERT("none", "no load-balancing (for testing only)", + process); + NOL_INSERT("simple", "balance with least loaded neighbor", + loba_simple); } topologies_type topologies; @@ -78,87 +97,99 @@ namespace opt { namespace { - // some helper functions for opt::print() + // local helper class + class opt_helper { + public: + template + static bool parse_arg(char opt, const char *arg, T& val); + 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; + }; - std::string* descr_str; - std::string* val_or_string_str; +} // namespace - void print_helper_init() - { - descr_str = new std::string; - val_or_string_str = new std::string; - } +template +bool opt_helper::parse_arg(char opt, const char *arg, T& val) +{ + std::istringstream str(arg); + bool result = (str >> val) && str.eof(); + if (!result) + XBT_ERROR("invalid argument for option '-%c' -- \"%s\"", opt, arg); + return result; +} - void print_helper_destroy() - { - delete val_or_string_str; - delete descr_str; - } +const char* opt_helper::on_off(bool b) +{ + return b ? "on" : "off"; +} - const char* descr(const char* str) - { - const int descr_width = 35; - std::string* res = descr_str; - *res = str; - res->resize(descr_width, '.'); - return res->c_str(); - } +const char* opt_helper::descr(const char* str) +{ + const int descr_width = 40; + std::string& res = descr_str; + res = str; + res.resize(descr_width, '.'); + return res.c_str(); +} - const char* on_off(bool b) - { - return b ? "on" : "off"; +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 - const char* val_or_string(const T& val, const char* str, const T& deflt = 0) - { - std::string* res = val_or_string_str; - if (val != deflt) { - std::ostringstream oss; - oss << val; - *res = oss.str(); - } else { - *res = 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); } - return res->c_str(); - } - - // helper function for opt::parse_args() - - template - bool 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(); + switch (candidates.size()) { + case 0: + XBT_ERROR("unknownw %s -- %s", descr, name.c_str()); + break; + case 1: + name = candidates.top(); + candidates.pop(); + result = true; + XBT_DEBUG("infered %s -- %s", descr, name.c_str()); + break; + default: + XBT_ERROR("ambiguous %s -- %s", descr, name.c_str()); + while (!candidates.empty()) { + XBT_ERROR(" candidates are -- %s", candidates.top().c_str()); 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; } + break; } - return result; } - -} // namespace + return result; +} bool opt::parse_args(int* argc, char* argv[]) { @@ -166,48 +197,89 @@ bool opt::parse_args(int* argc, char* argv[]) opt::program_name = argv[0]; opt::program_name.erase(0, 1 + opt::program_name.find_last_of('/')); + +#define PARSE_ARG(x) result = opt_helper::parse_arg(c, optarg, (x)) && result int c; opterr = 0; - while ((c = getopt(*argc, argv, "a:bc:C:ehi:l:L:N:T:vV")) != -1) { + while ((c = getopt(*argc, argv, + "a:bc:C:d:D:ehi:I:l:L:m:M:N:s:S:t:T:vV")) != -1) { switch (c) { case 'a': opt::loba_algo = optarg; - result = nol_find_prefix(opt::loba_algorithms, - "load balancing algorithm", - opt::loba_algo); + result = opt_helper::nol_find_prefix(opt::loba_algorithms, + "load balancing algorithm", + opt::loba_algo) + && result; break; case 'b': - opt::bookkeeping = true; + opt::bookkeeping = !opt::bookkeeping; break; case 'e': - opt::exit_on_close = true; + opt::exit_on_close = !opt::exit_on_close; break; case 'h': opt::help_requested++; break; case 'c': - opt::comp_cost = cost_func(optarg); + try { + opt::comp_cost = cost_func(optarg); + } catch (...) { + XBT_ERROR("invalid argument for option '-%c' -- \"%s\"", + c, optarg); + result = false; + } break; case 'C': - opt::comm_cost = cost_func(optarg); + try { + opt::comm_cost = cost_func(optarg); + } catch (...) { + XBT_ERROR("invalid argument for option '-%c' -- \"%s\"", + c, optarg); + result = false; + } + break; + case 'd': + PARSE_ARG(opt::comp_iter_delay); + break; + case 'D': + PARSE_ARG(opt::comp_time_delay); break; case 'i': - std::istringstream(optarg) >> opt::maxiter; + PARSE_ARG(opt::lb_maxiter); + break; + case 'I': + PARSE_ARG(opt::comp_maxiter); break; case 'l': - std::istringstream(optarg) >> opt::log_rate; + PARSE_ARG(opt::log_rate); break; case 'L': - std::istringstream(optarg) >> opt::auto_depl::load; + PARSE_ARG(opt::auto_depl::load); + break; + case 'm': + PARSE_ARG(opt::min_transfer_amount); + break; + case 'M': + PARSE_ARG(opt::max_transfer_amount); break; case 'N': - std::istringstream(optarg) >> opt::auto_depl::nhosts; + PARSE_ARG(opt::auto_depl::nhosts); + break; + case 's': + PARSE_ARG(opt::min_lb_iter_duration); + break; + case 'S': + PARSE_ARG(opt::min_comp_iter_duration); + break; + case 't': + PARSE_ARG(opt::time_limit); break; case 'T': opt::auto_depl::topology = optarg; - result = nol_find_prefix(opt::topologies, "topology", - opt::auto_depl::topology); + 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 @@ -217,19 +289,21 @@ bool opt::parse_args(int* argc, char* argv[]) opt::version_requested = true; break; case '?': - ERROR1("invalid option -- '%c'", optopt); + XBT_ERROR("invalid option -- '%c'", optopt); result = false; break; } } +#undef PARSE_ARG + if (opt::version_requested || opt::help_requested) return 1; if (optind < *argc) { opt::platform_file = argv[optind++]; } else { - ERROR0("missing parameter -- "); + XBT_ERROR("missing parameter -- "); result = false; } if (optind < *argc) { @@ -238,7 +312,13 @@ bool opt::parse_args(int* argc, char* argv[]) opt::auto_depl::enabled = opt::deployment_file.empty(); while (optind < *argc) { - ERROR1("unused parameter -- \"%s\"", argv[optind++]); + XBT_ERROR("unused parameter -- \"%s\"", argv[optind++]); + result = false; + } + + if (opt::max_transfer_amount && + opt::max_transfer_amount < opt::min_transfer_amount) { + XBT_ERROR("max. data transfer amount < min. data transfer amount"); result = false; } @@ -247,32 +327,46 @@ bool opt::parse_args(int* argc, char* argv[]) void opt::print() { - print_helper_init(); + opt_helper h; + #define DESCR(description, format, value) \ - INFO2("| %s: " format, descr(description), value) - INFO0(",----[ Simulation parameters ]"); - DESCR("log rate", "%s", val_or_string(log_rate, "disabled")); + XBT_INFO("| %s: " format, h.descr(description), value) + + XBT_INFO(",----[ Simulation parameters ]"); + 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", val_or_string(auto_depl::nhosts, - "auto")); - DESCR("- initial load", "%s", val_or_string(auto_depl::load, + XBT_INFO("| 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", on_off(bookkeeping)); - DESCR("computation cost factors", "[%s]", comp_cost.to_string().c_str()); + DESCR("load balancing algorithm", "%s", loba_algo.c_str()); + DESCR("bookkeeping", "%s", h.on_off(bookkeeping)); + DESCR("minimum duration between lb. iterations", "%g", + min_lb_iter_duration); + 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 iterations", "%s", - val_or_string(maxiter, "infinity")); - DESCR("exit on close", "%s", on_off(exit_on_close)); - INFO0("`----"); + DESCR("minimum data transfer amount", "%g", min_transfer_amount); + DESCR("maximum data transfer amount", "%s", + h.val_or_string(max_transfer_amount, "no limit")); + DESCR("minimum duration between comp. iterations", "%g", + min_comp_iter_duration); + DESCR("computations start after lb. iter", "%u", comp_iter_delay); + DESCR("computations start after time", "%g", comp_time_delay); + DESCR("maximum number of lb. iterations", "%s", + h.val_or_string(lb_maxiter, "no limit")); + DESCR("maximum number of comp. iterations", "%s", + h.val_or_string(comp_maxiter, "no limit")); + DESCR("time limit", "%s", h.val_or_string(time_limit, "no limit")); + DESCR("exit on close", "%s", h.on_off(exit_on_close)); + XBT_INFO("`----"); + #undef DESCR - print_helper_destroy(); } void opt::usage() @@ -305,42 +399,70 @@ void opt::usage() std::clog << "\nSimulation parameters\n"; std::clog << o("-l value") - << "print current load every n-th iterations, 0 to disable" - << " (" << opt::log_rate << ")\n"; + << "print current load every n lb 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"; + << " [" << 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"; + << " [" << 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"; + << "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"; + << " [" << opt::loba_algo << "]\n"; if (opt::help_requested > 1) so_list(opt::loba_algorithms); - std::clog << o("-b") << "enable bookkeeping\n"; + std::clog << o("-b") << "toggle bookkeeping (\"virtual load\")" + << " [" << opt_helper::on_off(opt::bookkeeping) << "]\n"; + std::clog << o("-s value") + << "minimum duration between lb. iterations" + << " [" << opt::min_lb_iter_duration << "]\n"; std::clog << "\nApplication parameters\n"; - std::clog << o("-c [fn,...]f0") + std::clog << o("-c [aN,...]a0") << "polynomial factors for computation cost" - << " (" << opt::comp_cost.to_string() << ")\n"; - std::clog << o("-C [fn,...]f0") + << " [" << opt::comp_cost.to_string() << "]\n"; + std::clog << o("-C [aN,...]a0") << "polynomial factors for communication cost" - << " (" << opt::comm_cost.to_string() << ")\n"; - std::clog << o("-e") << "exit on reception of \"close\" message\n"; + << " [" << opt::comm_cost.to_string() << "]\n"; + std::clog << o("-m value") + << "minimum data transfer amount" + << " [" << opt::min_transfer_amount << "]\n"; + std::clog << o("-M value") + << "maximum data transfer amount, 0 for no limit" + << " [" << opt::max_transfer_amount << "]\n"; + std::clog << o("-S value") + << "minimum duration between comp. iterations" + << " [" << opt::min_comp_iter_duration << "]\n"; + std::clog << o("-d value") + << "start computations after given number of lb iterations" + << " [" << opt::comp_iter_delay << "]\n"; + std::clog << o("-D value") + << "start computations after given time" + << " [" << opt::comp_time_delay << "]\n"; + + std::clog << "\nParameters for the end of the simulation\n"; std::clog << o("-i value") - << "maximum number of iterations, 0 for infinity" - << " (" << opt::maxiter << ")\n"; + << "maximum number of lb. iterations, 0 for no limit" + << " [" << opt::lb_maxiter << "]\n"; + std::clog << o("-I value") + << "maximum number of comp. iterations, 0 for no limit" + << " [" << opt::comp_maxiter << "]\n"; + std::clog << o("-t value") + << "time limit (simulated time), 0 for no limit" + << " [" << opt::time_limit << "]\n"; + std::clog << o("-e") << "toggle exit on reception of \"close\" message" + << " [" << opt_helper::on_off(opt::exit_on_close) << "]\n"; if (opt::help_requested < 3) return; @@ -354,7 +476,10 @@ void opt::usage() << " 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"; + << " loba : messages from load-balancer\n" + << " thrd : messages from thread wrapper class\n"; + + // std::clog << "\nMiscellaneous low-level parameters\n"; #undef so_list #undef so