X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/5851cba291d6ac7b89baf771e4a3821cc1aaa81c..e41f399c89624041ca0cfc03c592c4f9e6902a45:/options.cpp?ds=inline diff --git a/options.cpp b/options.cpp index 668aed3..76bc997 100644 --- a/options.cpp +++ b/options.cpp @@ -1,16 +1,25 @@ -#include "options.h" - #include #include #include +#include #include // getopt #include -#include "loba_simple.h" XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(main); +#include "loba_simple.h" +#include "loba_fairstrategy.h" + +#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; @@ -38,21 +47,22 @@ namespace opt { // Application parameters cost_func comp_cost("1e9, 0"); // fixme: find better defaults cost_func comm_cost("1, 0"); // fixme: find better defaults - unsigned maxiter = 4; // fixme + unsigned maxiter = 10; // fixme: find better defaults bool exit_on_close = false; // Named parameters lists loba_algorithms_type loba_algorithms; loba_algorithms_type::loba_algorithms_type() { - NOL_INSERT("none", "no load-balancing (for testing)", process); + NOL_INSERT("fairstrategy", "balance with fair strategy", loba_fairstrategy); + 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); @@ -68,31 +78,80 @@ namespace opt { 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(); + } + + // 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 -int opt::parse_args(int* argc, char* argv[]) +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('/')); int c; opterr = 0; - while ((c = getopt(*argc, argv, "a:bc:C:ehi:l:L:N:T:V")) != -1) { + while ((c = getopt(*argc, argv, "a:bc:C:ehi:l:L:N:T:vV")) != -1) { 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; @@ -122,19 +181,20 @@ 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 + // beginning of main() break; case 'V': opt::version_requested = true; break; case '?': ERROR1("invalid option -- '%c'", optopt); - result = 0; + result = false; break; } } @@ -146,7 +206,7 @@ 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++]; @@ -155,7 +215,7 @@ int opt::parse_args(int* argc, char* argv[]) while (optind < *argc) { ERROR1("unused parameter -- \"%s\"", argv[optind++]); - result = 0; + result = false; } return result; @@ -164,13 +224,16 @@ int opt::parse_args(int* argc, char* argv[]) void opt::print() { INFO0(",----[ Simulation parameters ]"); - INFO1("| log rate.....................: %u", opt::log_rate); + 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) { INFO0("| automatic deployment enabled"); INFO1("| - topology...................: %s", opt::auto_depl::topology.c_str()); - INFO1("| - number of hosts............: %u", opt::auto_depl::nhosts); - INFO1("| - initial load...............: %g", opt::auto_depl::load); + 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")); } else { INFO1("| deployment file..............: \"%s\"", opt::deployment_file.c_str()); } @@ -178,7 +241,8 @@ void opt::print() 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.: %u", opt::maxiter); + INFO1("| maximum number of iterations.: %s", + val_or_string(opt::maxiter, "infinity")); INFO1("| exit on close................: %s", on_off(opt::exit_on_close)); INFO0("`----"); } @@ -215,6 +279,8 @@ void opt::usage() std::clog << o("-l value") << "print current load every n-th iterations, 0 to disable" << " (" << opt::log_rate << ")\n"; + std::clog << o("-v") + << "verbose: do not override the default logging parameters\n"; std::clog << "\nAutomatic deployment options\n"; std::clog << o("-T name")