X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/fdc3237504c68a8f89faf2c56fa281df7f2bb972..dbc9221771e3158336126009aff945e86acca5da:/options.cpp diff --git a/options.cpp b/options.cpp index e413470..86cec69 100644 --- a/options.cpp +++ b/options.cpp @@ -1,17 +1,25 @@ -#include "options.h" - #include #include #include +#include #include // getopt #include + +XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(main); + #include "loba_simple.h" #include "loba_fairstrategy.h" -XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(main); +#include "options.h" namespace opt { + // Constants + + // A sum of loads if considered null if it is less than + // load_ratio_threshold percent of the sum of loads at init. + const double load_ratio_threshold = 1e-4; + // Global options std::string program_name; int help_requested = 0; @@ -47,14 +55,14 @@ namespace opt { loba_algorithms_type::loba_algorithms_type() { NOL_INSERT("fairstrategy", "balance with fair strategy", loba_fairstrategy); - NOL_INSERT("none", "no load-balancing (for testing)", process); + NOL_INSERT("none", "no load-balancing (for testing only)", process); NOL_INSERT("simple", "balance with least loaded neighbor", loba_simple); } topologies_type topologies; topologies_type::topologies_type() { - NOL_INSERT("btree", "binary tree topologym intiial load at root", + NOL_INSERT("btree", "binary tree topology, initial load at root", deployment_btree); NOL_INSERT("clique", "all connected topology", deployment_clique); NOL_INSERT("hcube", "hypercube topology", deployment_hcube); @@ -68,9 +76,93 @@ namespace opt { } // namespace opt -int opt::parse_args(int* argc, char* argv[]) +namespace { + + // some helper functions for opt::print() + + std::string* descr_str; + std::string* val_or_string_str; + + void print_helper_init() + { + descr_str = new std::string; + val_or_string_str = new std::string; + } + + void print_helper_destroy() + { + delete val_or_string_str; + delete descr_str; + } + + const char* descr(const char* str) + { + const int descr_width = 35; + std::string* res = descr_str; + *res = str; + res->resize(descr_width, '.'); + return res->c_str(); + } + + const char* on_off(bool b) + { + return b ? "on" : "off"; + } + + template + const char* val_or_string(const T& val, const char* str, const T& deflt = 0) + { + std::string* res = val_or_string_str; + if (val != deflt) { + std::ostringstream oss; + oss << val; + *res = oss.str(); + } else { + *res = str; + } + return res->c_str(); + } + + // helper function for opt::parse_args() + + template + bool nol_find_prefix(const T& nol, const char* descr, std::string& name) + { + bool result = nol.exists(name); + if (!result) { + std::stack candidates; + for (typename T::iterator it = nol.begin() ; it != nol.end() ; ++it) { + const std::string& fullname = nol.get_name(it); + if (fullname.compare(0, name.length(), name) == 0) + candidates.push(fullname); + } + switch (candidates.size()) { + case 0: + ERROR2("unknownw %s -- %s", descr, name.c_str()); + break; + case 1: + name = candidates.top(); + candidates.pop(); + result = true; + DEBUG2("infered %s -- %s", descr, name.c_str()); + break; + default: + ERROR2("ambiguous %s -- %s", descr, name.c_str()); + while (!candidates.empty()) { + ERROR1(" candidates are -- %s", candidates.top().c_str()); + candidates.pop(); + } + break; + } + } + return result; + } + +} // namespace + +bool opt::parse_args(int* argc, char* argv[]) { - int result = 1; + bool result = true; opt::program_name = argv[0]; opt::program_name.erase(0, 1 + opt::program_name.find_last_of('/')); @@ -81,11 +173,9 @@ int opt::parse_args(int* argc, char* argv[]) switch (c) { case 'a': opt::loba_algo = optarg; - if (!opt::loba_algorithms.exists(opt::loba_algo)) { - ERROR1("unknownw load balancing algorithm -- %s", - opt::loba_algo.c_str()); - result = 0; - } + result = nol_find_prefix(opt::loba_algorithms, + "load balancing algorithm", + opt::loba_algo); break; case 'b': opt::bookkeeping = true; @@ -115,12 +205,9 @@ int opt::parse_args(int* argc, char* argv[]) std::istringstream(optarg) >> opt::auto_depl::nhosts; break; case 'T': - opt::auto_depl::topology = optarg; - if (!opt::topologies.exists(opt::auto_depl::topology)) { - ERROR1("unknownw topology -- %s", - opt::auto_depl::topology.c_str()); - result = 0; - } + opt::auto_depl::topology = optarg; + result = nol_find_prefix(opt::topologies, "topology", + opt::auto_depl::topology); break; case 'v': // nothing to do: this option is checked at the very @@ -131,7 +218,7 @@ int opt::parse_args(int* argc, char* argv[]) break; case '?': ERROR1("invalid option -- '%c'", optopt); - result = 0; + result = false; break; } } @@ -143,7 +230,7 @@ int opt::parse_args(int* argc, char* argv[]) opt::platform_file = argv[optind++]; } else { ERROR0("missing parameter -- "); - result = 0; + result = false; } if (optind < *argc) { opt::deployment_file = argv[optind++]; @@ -152,61 +239,40 @@ int opt::parse_args(int* argc, char* argv[]) while (optind < *argc) { ERROR1("unused parameter -- \"%s\"", argv[optind++]); - result = 0; + result = false; } return result; } -namespace { - - // some helper functions for opt::print() - - const char* on_off(bool b) - { - return b ? "on" : "off"; - } - - template - const char* val_or_string(const T& val, const char* str, const T& deflt = 0) - { - static std::string res; - if (val != deflt) { - std::ostringstream oss; - oss << val; - res = oss.str(); - } else { - res = str; - } - return res.c_str(); - } - -} // namespace - void opt::print() { + print_helper_init(); +#define DESCR(description, format, value) \ + INFO2("| %s: " format, descr(description), value) INFO0(",----[ Simulation parameters ]"); - INFO1("| log rate.....................: %s", - val_or_string(opt::log_rate, "disabled")); - INFO1("| platform file................: \"%s\"", opt::platform_file.c_str()); - if (opt::auto_depl::enabled) { + DESCR("log rate", "%s", val_or_string(log_rate, "disabled")); + DESCR("platform file", "\"%s\"", platform_file.c_str()); + if (auto_depl::enabled) { INFO0("| automatic deployment enabled"); - INFO1("| - topology...................: %s", opt::auto_depl::topology.c_str()); - INFO1("| - number of hosts............: %s", - val_or_string(opt::auto_depl::nhosts, "auto")); - INFO1("| - initial load...............: %s", - val_or_string(opt::auto_depl::load, "auto")); + DESCR("- topology", "%s", auto_depl::topology.c_str()); + DESCR("- number of hosts", "%s", val_or_string(auto_depl::nhosts, + "auto")); + DESCR("- initial load", "%s", val_or_string(auto_depl::load, + "auto")); } else { - INFO1("| deployment file..............: \"%s\"", opt::deployment_file.c_str()); + DESCR("deployment file", "\"%s\"", deployment_file.c_str()); } - INFO1("| load balancing algorithm.....: %s", opt::loba_algo.c_str()); - INFO1("| bookkeeping..................: %s", on_off(opt::bookkeeping)); - INFO1("| computation cost factors.....: [%s]", opt::comp_cost.to_string().c_str()); - INFO1("| communication cost factors...: [%s]", opt::comm_cost.to_string().c_str()); - INFO1("| maximum number of iterations.: %s", - val_or_string(opt::maxiter, "infinity")); - INFO1("| exit on close................: %s", on_off(opt::exit_on_close)); + DESCR("load balancing algorithm", "%s", loba_algo.c_str()); + DESCR("bookkeeping", "%s", on_off(bookkeeping)); + DESCR("computation cost factors", "[%s]", comp_cost.to_string().c_str()); + DESCR("communication cost factors", "[%s]", comm_cost.to_string().c_str()); + DESCR("maximum number of iterations", "%s", + val_or_string(maxiter, "infinity")); + DESCR("exit on close", "%s", on_off(exit_on_close)); INFO0("`----"); +#undef DESCR + print_helper_destroy(); } void opt::usage()