X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/43bc22b6612b96aae16aa8f955edfbfe83dab39b..a6b73fab30fa59bb7ce701ebec47e52e1d373e26:/options.cpp diff --git a/options.cpp b/options.cpp index 5ca56d7..76de43b 100644 --- a/options.cpp +++ b/options.cpp @@ -18,6 +18,7 @@ XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(main); #include "loba_makhoul.h" #include "loba_makhoul2.h" #include "loba_makhoul3.h" +#include "loba_pstar.h" #include "loba_simple.h" #include "misc.h" @@ -76,9 +77,11 @@ 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 @@ -103,6 +106,8 @@ namespace opt { loba_makhoul3); NOL_INSERT("none", "no load-balancing (for testing only)", process); + NOL_INSERT("pstar", "balance with pstar strategy", + loba_pstar); NOL_INSERT("simple", "balance with least loaded neighbor", loba_simple); } @@ -164,25 +169,24 @@ 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 @@ -231,9 +235,13 @@ bool opt::parse_args(int* argc, char* argv[]) int c; opterr = 0; while ((c = getopt(*argc, argv, - "a:bc:C:d:D:eEhi:I:k:l:L:m:M:N:r:Rs:S:t:T:vVx:X:Z")) + "%:" + "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, @@ -274,6 +282,9 @@ 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; @@ -350,13 +361,6 @@ 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; @@ -425,8 +429,6 @@ void opt::print() 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); @@ -435,6 +437,8 @@ void opt::print() 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); @@ -443,7 +447,10 @@ 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("`----"); @@ -562,6 +569,18 @@ 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"; @@ -579,7 +598,7 @@ void opt::usage() std::clog << "\nLogging support:\n" << " See SimGrid documentation on:\n" - << " http://simgrid.gforge.inria.fr/doc/group__XBT__log.html#log_user\n" + << " http://simgrid.gforge.inria.fr/simgrid/latest/doc/outcomes_logs.html#log_user\n" << " Existing categories are:\n" << " simu : root of following categories\n" << " main : messages from global infrastructure\n"