X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/08441960f33417c261fe8c77804559234dd99436..cf04fdb061d2a70a7a4d22b14c2cd3c0944e5138:/options.cpp diff --git a/options.cpp b/options.cpp index 2eb891d..01ae447 100644 --- a/options.cpp +++ b/options.cpp @@ -17,6 +17,7 @@ XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(main); #include "loba_lln.h" #include "loba_makhoul.h" #include "loba_makhoul2.h" +#include "loba_makhoul3.h" #include "loba_simple.h" #include "misc.h" @@ -36,7 +37,8 @@ namespace opt { std::string program_name; int help_requested = 0; bool version_requested = false; - int option_x = 0; // hidden option, for debugging purpose + int option_x = 0; // hidden option (int) + double option_X = 0.0; // hidden option (double) // Simulation parameters int log_rate = 1; @@ -51,7 +53,7 @@ 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; } @@ -59,10 +61,12 @@ namespace opt { // 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 @@ -72,6 +76,7 @@ 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; @@ -85,16 +90,18 @@ namespace opt { loba_2besteffort); NOL_INSERT("besteffort", "balance with best effort strategy", loba_besteffort); - NOL_INSERT("bulk", "A multi-load-units assignation rule without ordering...", + 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", + 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", @@ -225,8 +232,13 @@ bool opt::parse_args(int* argc, char* argv[]) int c; opterr = 0; while ((c = getopt(*argc, argv, - "a:bc:C:d:D:ehi:I:l:L:m:M:N:r:Rs:S:t:T:vVx:Z")) != -1) { + "%:" + "a:bc:C:d:D:eEhi: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, @@ -237,12 +249,6 @@ 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); @@ -267,9 +273,21 @@ 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 '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; @@ -321,6 +339,10 @@ bool opt::parse_args(int* argc, char* argv[]) 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; @@ -333,6 +355,13 @@ bool opt::parse_args(int* argc, char* argv[]) #undef PARSE_ARG + if (opt::option_x) { // FIXME: remove this one day... + opt::loba_best_divisor = opt::option_x; + XBT_WARN("divisor for algorithms *best* set from option -x (%d => %u)," + " use -k instead", + opt::option_x, opt::loba_best_divisor); + } + if (opt::version_requested || opt::help_requested) return 1; @@ -354,7 +383,15 @@ bool opt::parse_args(int* argc, char* argv[]) if (opt::max_transfer_amount && opt::max_transfer_amount < opt::min_transfer_amount) { - XBT_ERROR("max. data transfer amount < min. data 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; } @@ -379,19 +416,20 @@ 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", - h.val_or_string(auto_depl::random_seed, "time based")); + 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 data transfer amount", "%g", min_transfer_amount); @@ -399,6 +437,9 @@ void opt::print() 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); @@ -407,6 +448,7 @@ void opt::print() 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 close", "%s", h.on_off(exit_on_close)); XBT_INFO("`----"); @@ -457,7 +499,7 @@ void opt::usage() 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." @@ -467,8 +509,11 @@ void opt::usage() << " [" << opt_helper::on_off(opt::auto_depl::random_distribution) << "]\n"; std::clog << o("-r value") - << "random seed, 0 for a seed based on current date" + << "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 << o("-a name") << "load balancing algorithm" @@ -477,6 +522,13 @@ void opt::usage() 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") @@ -516,6 +568,9 @@ void opt::usage() 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"; std::clog << o("-t value") << "time limit (simulated time), 0 for no limit" << " [" << opt::time_limit << "]\n"; @@ -525,6 +580,12 @@ void opt::usage() if (opt::help_requested < 3) return; + 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"