X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/fb7c087879f5cfc2657a4fc04847106b5f75c122..404368d69d4124f827b3eae4f231ee61191c65fe:/options.cpp?ds=inline diff --git a/options.cpp b/options.cpp index 9ea0a72..b31888f 100644 --- a/options.cpp +++ b/options.cpp @@ -1,3 +1,4 @@ +#include #include #include #include @@ -9,13 +10,21 @@ XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(main); #include "deployment.h" #include "process.h" -#include "loba_simple.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 @@ -28,9 +37,12 @@ namespace opt { 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 int log_rate = 1; + volatile std::sig_atomic_t exit_request = 0; // Platform and deployment std::string platform_file; @@ -41,13 +53,20 @@ 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 @@ -57,19 +76,37 @@ namespace opt { 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("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); + 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; @@ -129,26 +166,24 @@ const char* opt_helper::on_off(bool b) 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(); + 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) { - std::string& res = val_or_string_str; if (val != deflt) { std::ostringstream oss; oss << val; - res = oss.str(); + val_or_string_str = oss.str(); } else { - res = str; + val_or_string_str = str; } - return res.c_str(); + return val_or_string_str.c_str(); } template @@ -193,12 +228,17 @@ bool opt::parse_args(int* argc, char* argv[]) 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:d:D:ehi:I:l:L:N:s:S:t:T:vV")) != -1) { + "%:" + "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; result = opt_helper::nol_find_prefix(opt::loba_algorithms, @@ -209,17 +249,12 @@ bool opt::parse_args(int* argc, char* argv[]) case 'b': opt::bookkeeping = !opt::bookkeeping; break; - case 'e': - opt::exit_on_close = !opt::exit_on_close; - break; - case 'h': - opt::help_requested++; - break; case 'c': try { opt::comp_cost = cost_func(optarg); } catch (...) { - XBT_ERROR("invalid argument for option '-%c' -- \"%s\"", c, optarg); + XBT_ERROR("invalid argument for option '-%c' -- \"%s\"", + c, optarg); result = false; } break; @@ -227,7 +262,8 @@ bool opt::parse_args(int* argc, char* argv[]) try { opt::comm_cost = cost_func(optarg); } catch (...) { - XBT_ERROR("invalid argument for option '-%c' -- \"%s\"", c, optarg); + XBT_ERROR("invalid argument for option '-%c' -- \"%s\"", + c, optarg); result = false; } break; @@ -237,9 +273,24 @@ bool opt::parse_args(int* argc, char* argv[]) case 'D': PARSE_ARG(opt::comp_time_delay); break; + case 'e': + 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 'i': PARSE_ARG(opt::lb_maxiter); break; + case 'k': + PARSE_ARG(opt::loba_best_divisor); + break; case 'I': PARSE_ARG(opt::comp_maxiter); break; @@ -249,9 +300,22 @@ bool opt::parse_args(int* argc, char* argv[]) case 'L': 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': 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; @@ -274,6 +338,17 @@ bool opt::parse_args(int* argc, char* argv[]) 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 '?': XBT_ERROR("invalid option -- '%c'", optopt); result = false; @@ -302,6 +377,23 @@ bool opt::parse_args(int* argc, char* argv[]) 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; } @@ -320,24 +412,42 @@ void opt::print() 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")); + 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 { 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("minimum duration between lb. iterations", "%g", min_lb_iter_duration); + 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 duration between comp. iterations", "%g", min_comp_iter_duration); + 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, "infinity")); + h.val_or_string(lb_maxiter, "no limit")); DESCR("maximum number of comp. iterations", "%s", - h.val_or_string(comp_maxiter, "infinity")); - DESCR("time limit", "%s", h.val_or_string(time_limit, "infinity")); + 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("`----"); @@ -362,8 +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) @@ -372,63 +483,103 @@ 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 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"; if (opt::help_requested > 1) so_list(opt::topologies); std::clog << o("-L value") - << "total load with auto deployment, 0 for number of hosts" + << "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"; + 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"; if (opt::help_requested > 1) so_list(opt::loba_algorithms); 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 << "\nApplication parameters\n"; - std::clog << o("-c [aN,...]a0") - << "polynomial factors for computation cost" - << " [" << 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("-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" + << "start comp. iterations after given number of lb. iter." << " [" << opt::comp_iter_delay << "]\n"; std::clog << o("-D value") - << "start computations after given time" + << "start comp. iterations after given time" << " [" << opt::comp_time_delay << "]\n"; - std::clog << "\nParameters for the end of the simulation\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 [aN,...]a0") + << "polynomial factors for communication cost" + << " [" << 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 lb. iterations, 0 for infinity" + << "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 infinity" + << "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 infinity" + << "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"; @@ -436,7 +587,13 @@ void opt::usage() 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"