X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/ada04f5ebefdfe318749f9ede9ea4bb0de2f0f7c..779b929d3831ca0aea2f667029d6381946c86e01:/options.cpp diff --git a/options.cpp b/options.cpp index a943339..01ae447 100644 --- a/options.cpp +++ b/options.cpp @@ -66,6 +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 @@ -75,6 +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; @@ -230,9 +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:X:Z")) + "%:" + "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, @@ -279,6 +285,9 @@ bool opt::parse_args(int* argc, char* argv[]) 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; @@ -346,6 +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; @@ -367,7 +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; } @@ -398,16 +422,14 @@ 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); @@ -415,6 +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); @@ -423,6 +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("`----"); @@ -483,8 +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" @@ -498,6 +527,8 @@ 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") @@ -537,6 +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";