X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/6ae1cabdf57441c02c1c85026255ccceef9fc8a0..d430c899e4d1a1a142f3ff97c38fa3e97ef3c137:/options.cpp diff --git a/options.cpp b/options.cpp index 4e8de74..96542f6 100644 --- a/options.cpp +++ b/options.cpp @@ -1,3 +1,4 @@ +#include #include #include #include @@ -9,13 +10,17 @@ XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(main); #include "deployment.h" #include "process.h" -#include "loba_simple.h" +#include "loba_besteffort.h" #include "loba_fairstrategy.h" #include "loba_makhoul.h" +#include "loba_makhoul2.h" +#include "loba_simple.h" #include "misc.h" #include "options.h" +#define DATA_DESCR_WIDTH 42 + namespace opt { // Constants @@ -30,7 +35,8 @@ namespace opt { bool version_requested = false; // Simulation parameters - unsigned log_rate = 1; + int log_rate = 1; + bool exit_request = false; // Platform and deployment std::string platform_file; @@ -42,17 +48,23 @@ namespace opt { std::string topology("clique"); unsigned nhosts = 0; double load = 0.0; + bool random_distribution = false; + unsigned long random_seed = 0; } // Load balancing algorithm std::string loba_algo("simple"); bool bookkeeping = false; + double min_lb_iter_duration = 1.0; // fixme: find better defaults + double min_transfer_amount = 0.0; + double max_transfer_amount = 0.0; // Application parameters - // fixme: find better defaults - cost_func comp_cost("1e9, 0"); - cost_func comm_cost("1e6, 0"); - double min_iter_duration = 1.0; + cost_func comp_cost("1e9, 0"); // fixme: find better defaults + cost_func comm_cost("1e6, 0"); // fixme: find better defaults + double min_comp_iter_duration = 1.0; // fixme: find better defaults + unsigned comp_iter_delay = 0; // fixme: find better defaults + double comp_time_delay = 0.0; // fixme: find better defaults // Parameters for the end of the simulation unsigned lb_maxiter = 0; @@ -64,10 +76,18 @@ namespace opt { 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("besteffort", "balance with best effort strategy", + loba_besteffort); + NOL_INSERT("fairstrategy", "balance with fair strategy", + loba_fairstrategy); + NOL_INSERT("makhoul", "balance with Makhoul's PhD algorithm", + loba_makhoul); + NOL_INSERT("makhoul2", "balance with Makhoul's source code", + loba_makhoul2); + NOL_INSERT("none", "no load-balancing (for testing only)", + process); + NOL_INSERT("simple", "balance with least loaded neighbor", + loba_simple); } topologies_type topologies; @@ -92,6 +112,8 @@ namespace { // local helper class class opt_helper { public: + template + static bool parse_arg(char opt, const char *arg, T& val); static const char* on_off(bool b); const char* descr(const char* str); template @@ -108,6 +130,16 @@ namespace { } // namespace +template +bool opt_helper::parse_arg(char opt, const char *arg, T& val) +{ + std::istringstream str(arg); + bool result = (str >> val) && str.eof(); + if (!result) + XBT_ERROR("invalid argument for option '-%c' -- \"%s\"", opt, arg); + return result; +} + const char* opt_helper::on_off(bool b) { return b ? "on" : "off"; @@ -115,10 +147,9 @@ 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, '.'); + res.resize(DATA_DESCR_WIDTH, '.'); return res.c_str(); } @@ -177,10 +208,13 @@ bool opt::parse_args(int* argc, char* argv[]) opt::program_name = argv[0]; 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:ehi:I:l:L:N:s:t:T:vV")) != -1) { + while ((c = getopt(*argc, argv, + "a:bc:C:d:D:ehi:I:l:L:m:M:N:r:Rs:S:t:T:vV")) != -1) { switch (c) { case 'a': opt::loba_algo = optarg; @@ -199,31 +233,65 @@ bool opt::parse_args(int* argc, char* argv[]) opt::help_requested++; break; case 'c': - opt::comp_cost = cost_func(optarg); + try { + opt::comp_cost = cost_func(optarg); + } catch (...) { + XBT_ERROR("invalid argument for option '-%c' -- \"%s\"", + c, optarg); + result = false; + } break; case 'C': - opt::comm_cost = cost_func(optarg); + try { + opt::comm_cost = cost_func(optarg); + } catch (...) { + XBT_ERROR("invalid argument for option '-%c' -- \"%s\"", + c, optarg); + result = false; + } + break; + case 'd': + PARSE_ARG(opt::comp_iter_delay); + break; + case 'D': + PARSE_ARG(opt::comp_time_delay); break; case 'i': - std::istringstream(optarg) >> opt::lb_maxiter; + PARSE_ARG(opt::lb_maxiter); break; case 'I': - std::istringstream(optarg) >> opt::comp_maxiter; + PARSE_ARG(opt::comp_maxiter); break; case 'l': - std::istringstream(optarg) >> opt::log_rate; + PARSE_ARG(opt::log_rate); break; case 'L': - std::istringstream(optarg) >> opt::auto_depl::load; + 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': - std::istringstream(optarg) >> opt::auto_depl::nhosts; + 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': - std::istringstream(optarg) >> opt::min_iter_duration; + PARSE_ARG(opt::min_lb_iter_duration); + break; + case 'S': + PARSE_ARG(opt::min_comp_iter_duration); break; case 't': - std::istringstream(optarg) >> opt::time_limit; + PARSE_ARG(opt::time_limit); break; case 'T': opt::auto_depl::topology = optarg; @@ -245,6 +313,8 @@ bool opt::parse_args(int* argc, char* argv[]) } } +#undef PARSE_ARG + if (opt::version_requested || opt::help_requested) return 1; @@ -264,6 +334,15 @@ 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 < min. data transfer amount"); + result = false; + } + + if (!opt::auto_depl::random_seed) + opt::auto_depl::random_seed = time(NULL); + return result; } @@ -284,19 +363,31 @@ void opt::print() "auto")); DESCR("- initial load", "%s", h.val_or_string(auto_depl::load, "auto")); + 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")); } 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("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 iterations", "%g", min_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("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("time limit", "%s", h.val_or_string(time_limit, "no limit")); DESCR("exit on close", "%s", h.on_off(exit_on_close)); XBT_INFO("`----"); @@ -350,6 +441,13 @@ void opt::usage() 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, 0 for using it on time()" + << " [" << opt::auto_depl::random_seed << "]\n"; std::clog << "\nLoad balancing algorithm\n"; std::clog << o("-a name") << "load balancing algorithm" @@ -358,27 +456,42 @@ 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("-s value") + << "minimum duration between lb. iterations" + << " [" << opt::min_lb_iter_duration << "]\n"; std::clog << "\nApplication parameters\n"; - std::clog << o("-c [fn,...]f0") + std::clog << o("-c [aN,...]a0") << "polynomial factors for computation cost" << " [" << opt::comp_cost.to_string() << "]\n"; - std::clog << o("-C [fn,...]f0") + 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 iterations" - << " [" << opt::min_iter_duration << "]\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("-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" + << " [" << opt::comp_iter_delay << "]\n"; + std::clog << o("-D value") + << "start computations after given time" + << " [" << opt::comp_time_delay << "]\n"; std::clog << "\nParameters for the end 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("-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"; @@ -395,7 +508,8 @@ void opt::usage() << " depl : messages from auto deployment (inherited from main)\n" << " comm : messages from asynchronous pipes\n" << " proc : messages from base process class\n" - << " loba : messages from load-balancer\n"; + << " loba : messages from load-balancer\n" + << " thrd : messages from thread wrapper class\n"; // std::clog << "\nMiscellaneous low-level parameters\n";