Documentation updates.

[loba.git] / options.cpp

diff --git a/options.cpp b/options.cpp
index 86cec694b295ff958cffb5a12735fce664f1ba0f..3e789cdb52bcff209fbbfaf2ffe7762e5ada5c7c 100644 (file)
--- a/options.cpp
+++ b/options.cpp
@@ -7,8 +7,12 @@
 
 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(main);
 
 
 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(main);
 

+#include "deployment.h"
+#include "process.h"

 #include "loba_simple.h"
 #include "loba_fairstrategy.h"
 #include "loba_simple.h"
 #include "loba_fairstrategy.h"

+#include "loba_makhoul.h"
+#include "misc.h"

 
 #include "options.h"
 
 
 #include "options.h"
 


@@ -45,16 +49,24 @@ namespace opt {
     bool bookkeeping = false;
 
     // Application parameters
     bool bookkeeping = false;
 
     // Application parameters

-    cost_func comp_cost("1e9, 0"); // fixme: find better defaults
-    cost_func comm_cost("1, 0"); // fixme: find better defaults
-    unsigned maxiter = 10;       // fixme: find better defaults
-    bool exit_on_close = false;
+    // fixme: find better defaults
+    cost_func comp_cost("1e9, 0");
+    cost_func comm_cost("1e6, 0");
+    double min_lb_iter_duration = 1.0;
+    double min_comp_iter_duration = 1.0;
+
+    // Parameters for the end of the simulation
+    unsigned lb_maxiter = 0;
+    unsigned comp_maxiter = 0;
+    double time_limit = 0;
+    bool exit_on_close = true;

 
     // Named parameters lists
     loba_algorithms_type loba_algorithms;
     loba_algorithms_type::loba_algorithms_type()
     {
         NOL_INSERT("fairstrategy", "balance with fair strategy", loba_fairstrategy);
 
     // Named parameters lists
     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("none", "no load-balancing (for testing only)", process);
         NOL_INSERT("simple", "balance with least loaded neighbor", loba_simple);
     }


@@ -78,87 +90,87 @@ namespace opt {
 
 namespace {
 
 
 namespace {
 

-    // some helper functions for opt::print()
+    // local helper class
+    class opt_helper {
+    public:
+        static const char* on_off(bool b);
+        const char* descr(const char* str);
+        template <typename T>
+        const char* val_or_string(const T& val, const char* str,
+                                  const T& deflt = 0);
+        template <typename T>
+        static bool nol_find_prefix(const T& nol, const char* descr,
+                                    std::string& name);
+
+    private:
+        std::string descr_str;
+        std::string val_or_string_str;
+    };

 
 

-    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;
-    }
+} // namespace

 
 

-    void print_helper_destroy()
-    {
-        delete val_or_string_str;
-        delete descr_str;
-    }
+const char* opt_helper::on_off(bool b)
+{
+    return b ? "on" : "off";
+}

 
 

-    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* opt_helper::descr(const char* str)
+{
+    const int descr_width = 40;
+    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 <typename T>
+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();
+    } else {
+        res = str;

     }
     }

+    return res.c_str();
+}

 
 

-    template <typename T>
-    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;
+template <typename T>
+bool opt_helper::nol_find_prefix(const T& nol, const char* descr,
+                                 std::string& name)
+{
+    bool result = nol.exists(name);
+    if (!result) {
+        std::stack<std::string> 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);

         }
         }

-        return res->c_str();
-    }
-
-    // helper function for opt::parse_args()
-
-    template <typename T>
-    bool nol_find_prefix(const T& nol, const char* descr, std::string& name)
-    {
-        bool result = nol.exists(name);
-        if (!result) {
-            std::stack<std::string> 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();
+        switch (candidates.size()) {
+        case 0:
+            XBT_ERROR("unknownw %s -- %s", descr, name.c_str());
+            break;
+        case 1:
+            name = candidates.top();
+            candidates.pop();
+            result = true;
+            XBT_DEBUG("infered %s -- %s", descr, name.c_str());
+            break;
+        default:
+            XBT_ERROR("ambiguous %s -- %s", descr, name.c_str());
+            while (!candidates.empty()) {
+                XBT_ERROR("  candidates are -- %s", candidates.top().c_str());

                 candidates.pop();
                 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;

             }
             }

+            break;

         }
         }

-        return result;

     }
     }

-
-} // namespace
+    return result;
+}

 
 bool opt::parse_args(int* argc, char* argv[])
 {
 
 bool opt::parse_args(int* argc, char* argv[])
 {


@@ -169,19 +181,20 @@ bool opt::parse_args(int* argc, char* argv[])
     
     int c;
     opterr = 0;
     
     int c;
     opterr = 0;

-    while ((c = getopt(*argc, argv, "a:bc:C:ehi:l:L:N:T:vV")) != -1) {
+    while ((c = getopt(*argc, argv, "a:bc:C:ehi:I:l:L:N:s:S:t:T:vV")) != -1) {

         switch (c) {
         case 'a':
             opt::loba_algo = optarg;
         switch (c) {
         case 'a':
             opt::loba_algo = optarg;

-            result = nol_find_prefix(opt::loba_algorithms,
-                                     "load balancing algorithm",
-                                     opt::loba_algo);
+            result = opt_helper::nol_find_prefix(opt::loba_algorithms,
+                                                 "load balancing algorithm",
+                                                 opt::loba_algo)
+                && result;

             break;
         case 'b':
             break;
         case 'b':

-            opt::bookkeeping = true;
+            opt::bookkeeping = !opt::bookkeeping;

             break;
         case 'e':
             break;
         case 'e':

-            opt::exit_on_close = true;
+            opt::exit_on_close = !opt::exit_on_close;

             break;
         case 'h':
             opt::help_requested++;
             break;
         case 'h':
             opt::help_requested++;


@@ -193,7 +206,10 @@ bool opt::parse_args(int* argc, char* argv[])
             opt::comm_cost = cost_func(optarg);
             break;
         case 'i':
             opt::comm_cost = cost_func(optarg);
             break;
         case 'i':

-            std::istringstream(optarg) >> opt::maxiter;
+            std::istringstream(optarg) >> opt::lb_maxiter;
+            break;
+        case 'I':
+            std::istringstream(optarg) >> opt::comp_maxiter;

             break;
         case 'l':
             std::istringstream(optarg) >> opt::log_rate;
             break;
         case 'l':
             std::istringstream(optarg) >> opt::log_rate;


@@ -204,10 +220,20 @@ bool opt::parse_args(int* argc, char* argv[])
         case 'N':
             std::istringstream(optarg) >> opt::auto_depl::nhosts;
             break;
         case 'N':
             std::istringstream(optarg) >> opt::auto_depl::nhosts;
             break;

+        case 's':
+            std::istringstream(optarg) >> opt::min_lb_iter_duration;
+            break;
+        case 'S':
+            std::istringstream(optarg) >> opt::min_comp_iter_duration;
+            break;
+        case 't':
+            std::istringstream(optarg) >> opt::time_limit;
+            break;

         case 'T':
             opt::auto_depl::topology = optarg;
         case 'T':
             opt::auto_depl::topology = optarg;

-            result = nol_find_prefix(opt::topologies, "topology",
-                                     opt::auto_depl::topology);
+            result = opt_helper::nol_find_prefix(opt::topologies, "topology",
+                                                 opt::auto_depl::topology)
+                && result;

             break;
         case 'v':
             // nothing to do: this option is checked at the very
             break;
         case 'v':
             // nothing to do: this option is checked at the very


@@ -217,7 +243,7 @@ bool opt::parse_args(int* argc, char* argv[])
             opt::version_requested = true;
             break;
         case '?':
             opt::version_requested = true;
             break;
         case '?':

-            ERROR1("invalid option -- '%c'", optopt);
+            XBT_ERROR("invalid option -- '%c'", optopt);

             result = false;
             break;
         }
             result = false;
             break;
         }


@@ -229,7 +255,7 @@ bool opt::parse_args(int* argc, char* argv[])
     if (optind < *argc) {
         opt::platform_file = argv[optind++];
     } else {
     if (optind < *argc) {
         opt::platform_file = argv[optind++];
     } else {

-        ERROR0("missing parameter -- <plaform_file>");
+        XBT_ERROR("missing parameter -- <plaform_file>");

         result = false;
     }
     if (optind < *argc) {
         result = false;
     }
     if (optind < *argc) {


@@ -238,7 +264,7 @@ bool opt::parse_args(int* argc, char* argv[])
     opt::auto_depl::enabled = opt::deployment_file.empty();
 
     while (optind < *argc) {
     opt::auto_depl::enabled = opt::deployment_file.empty();
 
     while (optind < *argc) {

-        ERROR1("unused parameter -- \"%s\"", argv[optind++]);
+        XBT_ERROR("unused parameter -- \"%s\"", argv[optind++]);

         result = false;
     }
 
         result = false;
     }
 


@@ -247,32 +273,41 @@ bool opt::parse_args(int* argc, char* argv[])
 
 void opt::print()
 {
 
 void opt::print()
 {

-    print_helper_init();
+    opt_helper h;
+

 #define DESCR(description, format, value) \
 #define DESCR(description, format, value) \

-    INFO2("| %s: " format, descr(description), value)
-    INFO0(",----[ Simulation parameters ]");
-    DESCR("log rate", "%s",          val_or_string(log_rate, "disabled"));
+    XBT_INFO("| %s: " format, h.descr(description), value)
+
+    XBT_INFO(",----[ Simulation parameters ]");
+    DESCR("log rate", "%s", h.val_or_string(log_rate, "disabled"));

     DESCR("platform file", "\"%s\"", platform_file.c_str());
     if (auto_depl::enabled) {
     DESCR("platform file", "\"%s\"", platform_file.c_str());
     if (auto_depl::enabled) {

-        INFO0("| automatic deployment enabled");
-        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,
+        XBT_INFO("| automatic deployment enabled");
+        DESCR("- topology", "%s", auto_depl::topology.c_str());
+        DESCR("- number of hosts", "%s", h.val_or_string(auto_depl::nhosts,

                                                          "auto"));
                                                          "auto"));

+        DESCR("- initial load", "%s", h.val_or_string(auto_depl::load,
+                                                      "auto"));

     } else {
         DESCR("deployment file", "\"%s\"", deployment_file.c_str());
     }
     } else {
         DESCR("deployment file", "\"%s\"", deployment_file.c_str());
     }

-    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("load balancing algorithm", "%s", loba_algo.c_str());
+    DESCR("bookkeeping", "%s", h.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("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("`----");
+    DESCR("minimum duration between lb. iterations", "%g",
+          min_lb_iter_duration);
+    DESCR("minimum duration between comp. iterations", "%g",
+          min_comp_iter_duration);
+    DESCR("maximum number of lb. iterations", "%s",
+          h.val_or_string(lb_maxiter, "infinity"));
+    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"));
+    DESCR("exit on close", "%s", h.on_off(exit_on_close));
+    XBT_INFO("`----");
+

 #undef DESCR
 #undef DESCR

-    print_helper_destroy();

 }
 
 void opt::usage()
 }
 
 void opt::usage()


@@ -305,42 +340,58 @@ void opt::usage()
 
     std::clog << "\nSimulation parameters\n";
     std::clog << o("-l value")
 
     std::clog << "\nSimulation parameters\n";
     std::clog << o("-l value")

-              << "print current load every n-th iterations, 0 to disable"
-              << " (" << opt::log_rate << ")\n";
+              << "print current load every n lb 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")
               << "enable automatic deployment with selected topology"
     std::clog << o("-v")
               << "verbose: do not override the default logging parameters\n";
 
     std::clog << "\nAutomatic deployment options\n";
     std::clog << o("-T name")
               << "enable automatic deployment with selected topology"

-              << " (" << opt::auto_depl::topology << ")\n";
+              << " [" << opt::auto_depl::topology << "]\n";

     if (opt::help_requested > 1)
         so_list(opt::topologies);
     std::clog << o("-L value")
               << "total load with auto deployment, 0 for number of hosts"
     if (opt::help_requested > 1)
         so_list(opt::topologies);
     std::clog << o("-L value")
               << "total load with auto deployment, 0 for number of hosts"

-              << " (" << opt::auto_depl::load << ")\n";
+              << " [" << opt::auto_depl::load << "]\n";

     std::clog << o("-N value")
     std::clog << o("-N value")

-              << "number of hosts to use with auto deployment,"
-              << " 0 for max. (" << opt::auto_depl::nhosts << ")\n";
+              << "number of hosts to use with auto deployment, 0 for max."
+              << " [" << opt::auto_depl::nhosts << "]\n";

 
     std::clog << "\nLoad balancing algorithm\n";
     std::clog << o("-a name") << "load balancing algorithm"
 
     std::clog << "\nLoad balancing algorithm\n";
     std::clog << o("-a name") << "load balancing algorithm"

-              << " (" << opt::loba_algo << ")\n";
+              << " [" << opt::loba_algo << "]\n";

     if (opt::help_requested > 1)
         so_list(opt::loba_algorithms);
     if (opt::help_requested > 1)
         so_list(opt::loba_algorithms);

-    std::clog << o("-b") << "enable bookkeeping\n";
+    std::clog << o("-b") << "toggle bookkeeping (\"virtual load\")"
+              << " [" << opt_helper::on_off(opt::bookkeeping) << "]\n";

 
     std::clog << "\nApplication parameters\n";
 
     std::clog << "\nApplication parameters\n";

-    std::clog << o("-c [fn,...]f0")
+    std::clog << o("-c [aN,...]a0")

               << "polynomial factors for computation cost"
               << "polynomial factors for computation cost"

-              << " (" << opt::comp_cost.to_string() << ")\n";
-    std::clog << o("-C [fn,...]f0")
+              << " [" << opt::comp_cost.to_string() << "]\n";
+    std::clog << o("-C [aN,...]a0")

               << "polynomial factors for communication cost"
               << "polynomial factors for communication cost"

-              << " (" << opt::comm_cost.to_string() << ")\n";
-    std::clog << o("-e") << "exit on reception of \"close\" message\n";
+              << " [" << opt::comm_cost.to_string() << "]\n";
+    std::clog << o("-s value")
+              << "minimum duration between lb. iterations"
+              << " [" << opt::min_lb_iter_duration << "]\n";
+    std::clog << o("-S value")
+              << "minimum duration between comp. iterations"
+              << " [" << opt::min_comp_iter_duration << "]\n";
+
+    std::clog << "\nParameters for the end of the simulation\n";

     std::clog << o("-i value")
     std::clog << o("-i value")

-              << "maximum number of iterations, 0 for infinity"
-              << " (" << opt::maxiter << ")\n";
+              << "maximum number of lb. iterations, 0 for infinity"
+              << " [" << opt::lb_maxiter << "]\n";
+    std::clog << o("-I value")
+              << "maximum number of comp. iterations, 0 for infinity"
+              << " [" << opt::comp_maxiter << "]\n";
+    std::clog << o("-t value")
+              << "time limit (simulated time), 0 for infinity"
+              << " [" << opt::time_limit << "]\n";
+    std::clog << o("-e") << "toggle exit on reception of \"close\" message"
+              << " [" << opt_helper::on_off(opt::exit_on_close) << "]\n";

 
     if (opt::help_requested < 3)
         return;
 
     if (opt::help_requested < 3)
         return;


@@ -354,7 +405,10 @@ 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"
               << "        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";

 
 #undef so_list
 #undef so
 
 #undef so_list
 #undef so