X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/5851cba291d6ac7b89baf771e4a3821cc1aaa81c..324204969dba501413a9f62de983806a6fddd6a0:/options.cpp diff --git a/options.cpp b/options.cpp index 668aed3..b31888f 100644 --- a/options.cpp +++ b/options.cpp @@ -1,23 +1,48 @@ -#include "options.h" - +#include #include #include #include +#include #include // getopt #include -#include "loba_simple.h" XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(main); +#include "deployment.h" +#include "process.h" +#include "loba_2besteffort.h" +#include "loba_besteffort.h" +#include "loba_bulk.h" +#include "loba_fairstrategy.h" +#include "loba_lln.h" +#include "loba_makhoul.h" +#include "loba_makhoul2.h" +#include "loba_makhoul3.h" +#include "loba_simple.h" +#include "misc.h" + +#include "options.h" + +#define DATA_DESCR_WIDTH 42 + namespace opt { + // Constants + + // 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; + int option_x = 0; // hidden option (int) + double option_X = 0.0; // hidden option (double) // Simulation parameters - unsigned log_rate = 1; + int log_rate = 1; + volatile std::sig_atomic_t exit_request = 0; // Platform and deployment std::string platform_file; @@ -28,31 +53,66 @@ namespace opt { bool enabled = false; std::string topology("clique"); unsigned nhosts = 0; - double load = 0.0; + double load = -1.0; + bool random_distribution = false; + unsigned long random_seed = 0; } // Load balancing algorithm std::string loba_algo("simple"); bool bookkeeping = false; + bool egocentric = false; + double min_lb_iter_duration = 1.0; // fixme: find better defaults + double min_transfer_amount = 0.0; + double max_transfer_amount = 0.0; + bool integer_transfer = false; + unsigned loba_best_divisor = 1; // Application parameters - cost_func comp_cost("1e9, 0"); // fixme: find better defaults - cost_func comm_cost("1, 0"); // fixme: find better defaults - unsigned maxiter = 4; // fixme - 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 + double avg_load_ratio = 0.0; + unsigned lb_maxiter = 0; + unsigned comp_maxiter = 0; + double time_limit = 0; + unsigned exit_on_convergence = 0; + bool exit_on_close = true; // Named parameters lists loba_algorithms_type loba_algorithms; loba_algorithms_type::loba_algorithms_type() { - NOL_INSERT("none", "no load-balancing (for testing)", process); - NOL_INSERT("simple", "balance with least loaded neighbor", loba_simple); + NOL_INSERT("2besteffort", "balance with best effort strategy (take #2)", + loba_2besteffort); + NOL_INSERT("besteffort", "balance with best effort strategy", + loba_besteffort); + NOL_INSERT("bulk", "a multi-load-units assignation rule without ordering...", + loba_bulk); + NOL_INSERT("fairstrategy", "balance with fair strategy", + loba_fairstrategy); + NOL_INSERT("lln", "balance with less loaded neighbors without ordering-bulk method", + loba_lln); + NOL_INSERT("makhoul", "balance with Makhoul's PhD algorithm", + loba_makhoul); + NOL_INSERT("makhoul2", "balance with Makhoul's source code", + loba_makhoul2); + NOL_INSERT("makhoul3", "variation on Makhoul's algorithm", + loba_makhoul3); + NOL_INSERT("none", "no load-balancing (for testing only)", + process); + NOL_INSERT("simple", "balance with least loaded neighbor", + loba_simple); } topologies_type topologies; topologies_type::topologies_type() { - NOL_INSERT("btree", "binary tree topologym intiial load at root", + 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); @@ -68,85 +128,244 @@ namespace opt { namespace { - const char* on_off(bool b) - { - return b ? "on" : "off"; + // 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; + }; + +} // namespace + +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; +} + +const char* opt_helper::on_off(bool b) +{ + return b ? "on" : "off"; +} + +const char* opt_helper::descr(const char* str) +{ + descr_str = str; + descr_str.push_back(' '); + descr_str.resize(DATA_DESCR_WIDTH, '.'); + return descr_str.c_str(); +} + +template +const char* opt_helper::val_or_string(const T& val, const char* str, + const T& deflt) +{ + if (val != deflt) { + std::ostringstream oss; + oss << val; + val_or_string_str = oss.str(); + } else { + val_or_string_str = str; } + return val_or_string_str.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: + 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(); + } + break; + } + } + return result; } -int opt::parse_args(int* argc, char* argv[]) +bool opt::parse_args(int* argc, char* argv[]) { - int result = 1; + bool result = true; 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:V")) != -1) { + while ((c = getopt(*argc, argv, + "%:" + "a:bc:C:d:D:eEg:hi:I:k:l:L:m:M:N:r:Rs:S:t:T:vVx:X:Z")) + != -1) { switch (c) { + case '%': + PARSE_ARG(opt::avg_load_ratio); + break; 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; - } + 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 'c': + try { + opt::comp_cost = cost_func(optarg); + } catch (...) { + XBT_ERROR("invalid argument for option '-%c' -- \"%s\"", + c, optarg); + result = false; + } + break; + case 'C': + 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 'e': - opt::exit_on_close = true; + opt::exit_on_close = !opt::exit_on_close; + break; + case 'E': + opt::egocentric = !opt::egocentric; + break; + case 'g': + PARSE_ARG(opt::exit_on_convergence); break; case 'h': opt::help_requested++; break; - case 'c': - opt::comp_cost = cost_func(optarg); + case 'i': + PARSE_ARG(opt::lb_maxiter); break; - case 'C': - opt::comm_cost = cost_func(optarg); + case 'k': + PARSE_ARG(opt::loba_best_divisor); break; - case 'i': - std::istringstream(optarg) >> opt::maxiter; + 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 'r': + PARSE_ARG(opt::auto_depl::random_seed); + break; + case 'R': + opt::auto_depl::random_distribution = + !opt::auto_depl::random_distribution; + 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; - if (!opt::topologies.exists(opt::auto_depl::topology)) { - ERROR1("unknownw topology -- %s", - opt::auto_depl::topology.c_str()); - result = 0; - } + 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 'x': + PARSE_ARG(opt::option_x); + XBT_WARN("option_x set to %d", opt::option_x); + break; + case 'X': + PARSE_ARG(opt::option_X); + XBT_WARN("option_X set to %g", opt::option_X); + break; + case 'Z': + opt::integer_transfer = !opt::integer_transfer; + break; case '?': - ERROR1("invalid option -- '%c'", optopt); - result = 0; + 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 -- "); - result = 0; + XBT_ERROR("missing parameter -- "); + result = false; } if (optind < *argc) { opt::deployment_file = argv[optind++]; @@ -154,33 +373,85 @@ int opt::parse_args(int* argc, char* argv[]) opt::auto_depl::enabled = opt::deployment_file.empty(); while (optind < *argc) { - ERROR1("unused parameter -- \"%s\"", argv[optind++]); - result = 0; + 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 (%g) <" + " min. data transfer amount (%g)", + opt::max_transfer_amount, opt::min_transfer_amount); + result = false; + } + + if (opt::loba_best_divisor <= 0) { + XBT_ERROR("divisor for algorithms *best* (%u) should be positive", + opt::loba_best_divisor); + result = false; + } + + if (!opt::auto_depl::random_seed) + opt::auto_depl::random_seed = time(NULL); + return result; } void opt::print() { - INFO0(",----[ Simulation parameters ]"); - INFO1("| log rate.....................: %u", opt::log_rate); - INFO1("| platform file................: \"%s\"", opt::platform_file.c_str()); - if (opt::auto_depl::enabled) { - INFO0("| automatic deployment enabled"); - 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); + opt_helper h; + +#define DESCR(description, format, value) \ + 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) { + 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")); + if (auto_depl::load < 0.0) + DESCR("- initial load (average)", "%g", -auto_depl::load); + else + DESCR("- initial load (total)", "%g", auto_depl::load); + DESCR("- random initial load distribution", "%s", + h.on_off(auto_depl::random_distribution)); + DESCR("- random seed", "%s", // NOTE: cannot be 0 here anymore + h.val_or_string(auto_depl::random_seed, "constant random", 1UL)); } else { - INFO1("| deployment file..............: \"%s\"", opt::deployment_file.c_str()); + DESCR("deployment file", "\"%s\"", deployment_file.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.: %u", opt::maxiter); - INFO1("| exit on close................: %s", on_off(opt::exit_on_close)); - INFO0("`----"); + DESCR("load balancing algorithm", "%s", loba_algo.c_str()); + DESCR("bookkeeping", "%s", h.on_off(bookkeeping)); + DESCR("egocentric mode", "%s", h.on_off(egocentric)); + DESCR("computation cost factors", "[%s]", comp_cost.to_string().c_str()); + DESCR("communication cost factors", "[%s]", comm_cost.to_string().c_str()); + 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("only transfer integer data shares", "%s", + h.on_off(integer_transfer)); + DESCR("divisor for algorithms *best*", "%u", loba_best_divisor); + DESCR("minimum duration between lb. iterations", "%g", + min_lb_iter_duration); + 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("convergence is assumed within (\%)", "%g", opt::avg_load_ratio); + DESCR("time limit", "%s", h.val_or_string(time_limit, "no limit")); + DESCR("exit on convergence", "%s", + h.val_or_string(exit_on_convergence, "disabled")); + DESCR("exit on close", "%s", h.on_off(exit_on_close)); + XBT_INFO("`----"); + +#undef DESCR } void opt::usage() @@ -201,8 +472,9 @@ void opt::usage() std::clog << "Usage: " << opt::program_name << " [options] []\n"; + std::clog << "Current values for the parameters are given between square brackets.\n"; - std::clog << "\nGlobal 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) @@ -211,47 +483,117 @@ void opt::usage() std::clog << o("--help") << "print help from SimGrid framework and exit\n"; std::clog << o("-V") << "print version and exit\n"; - std::clog << "\nSimulation parameters\n"; + std::clog << "\nSimulator output:\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 << "\nAutomatic deployment:\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"; + << "total load with auto deployment, average if negative" + << " [" << 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 << o("-R") + << "toggle random initial load distribution" + << " [" << opt_helper::on_off(opt::auto_depl::random_distribution) + << "]\n"; + std::clog << o("-r value") + << "random seed for initial load distribution, or 0, or 1" + << " [" << opt::auto_depl::random_seed << "]\n"; + if (opt::help_requested > 1) + std::clog << o("") << "- use 0 for a seed based on current date\n" + << o("") << "- use 1 for a constant random\n"; - std::clog << "\nLoad balancing algorithm\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 << "\nApplication parameters\n"; - std::clog << o("-c [fn,...]f0") + std::clog << o("-b") << "toggle bookkeeping (\"virtual load\")" + << " [" << opt_helper::on_off(opt::bookkeeping) << "]\n"; + std::clog << o("-E") << "toggle egocentric mode when bookkeeping" + << " [" << opt_helper::on_off(opt::egocentric) << "]\n"; + if (opt::help_requested > 1) + std::clog << o("") + << "(a not so good idea introduced by git commit f5336c5)\n"; + std::clog << o("-k value") << "divisor for algorithms *best*" + << " [" << opt::loba_best_divisor << "]\n"; + + std::clog << "\nLb. and comp. iterations:\n"; + std::clog << o("-s value") + << "minimum duration between lb. iterations" + << " [" << opt::min_lb_iter_duration << "]\n"; + std::clog << o("-S value") + << "minimum duration between comp. iterations" + << " [" << opt::min_comp_iter_duration << "]\n"; + std::clog << o("-d value") + << "start comp. iterations after given number of lb. iter." + << " [" << opt::comp_iter_delay << "]\n"; + std::clog << o("-D value") + << "start comp. iterations after given time" + << " [" << opt::comp_time_delay << "]\n"; + + std::clog << "\nComputations and communications:\n"; + 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("-Z") + << "toggle transfer of integer data shares only" + << " [" << opt_helper::on_off(opt::integer_transfer) << "]\n"; + + std::clog << "\nEnd 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("-% value") + << "percent of the load average to assume the convergence" + << " [" << opt::avg_load_ratio << "]\n"; + if (opt::help_requested > 1) + std::clog << o("") + << "- if negative: use 100 * (nhosts / -value) / avg_load\n"; + std::clog << o("-g value") + << "number of consecutive detections of convergence to exit" + << " [" << opt::exit_on_convergence << "]\n"; + if (opt::help_requested > 1) + std::clog << o("") + << "- use 0 to disable\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; - std::clog << "\nLogging support\n" + std::clog << "\nHidden options:\n"; + std::clog << o("-x value") << "value is an integer" + << " [" << opt::option_x << "]\n"; + std::clog << o("-X value") << "value is a real number" + << " [" << opt::option_X << "]\n"; + + 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" @@ -260,7 +602,10 @@ 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