X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/11540e34f148fdfa113a77446445803a2a47641e..eed18917aff57d3045fdf6cfecbf6fb99d1e9c7b:/options.cpp diff --git a/options.cpp b/options.cpp index b387267..b31888f 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; @@ -64,6 +66,7 @@ namespace opt { 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 @@ -73,9 +76,11 @@ 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 @@ -96,6 +101,8 @@ namespace opt { 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", @@ -159,25 +166,24 @@ const char* opt_helper::on_off(bool b) const char* opt_helper::descr(const char* str) { - std::string& res = descr_str; - res = str; - res.resize(DATA_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 @@ -226,8 +232,13 @@ bool opt::parse_args(int* argc, char* argv[]) int c; opterr = 0; while ((c = getopt(*argc, argv, - "a:bc:C:d:D:eEhi:I:l:L:m:M:N:r:Rs:S:t:T:vVx:Z")) != -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, @@ -268,12 +279,18 @@ bool opt::parse_args(int* argc, char* argv[]) 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; @@ -325,6 +342,10 @@ 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; @@ -358,7 +379,15 @@ 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; } @@ -389,16 +418,14 @@ void opt::print() 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("egocentric mode", "%s", h.on_off(egocentric)); - 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("minimum data transfer amount", "%g", min_transfer_amount); @@ -406,6 +433,9 @@ 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); @@ -414,7 +444,10 @@ 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 convergence", "%s", + h.val_or_string(exit_on_convergence, "disabled")); DESCR("exit on close", "%s", h.on_off(exit_on_close)); XBT_INFO("`----"); @@ -474,8 +507,11 @@ 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" @@ -489,6 +525,8 @@ void opt::usage() 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") @@ -528,6 +566,18 @@ 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"; + 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"; @@ -537,6 +587,12 @@ 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"