Add options to control min./max. data transfer amount.

[loba.git] / options.cpp

diff --git a/options.cpp b/options.cpp
index 4e8de7428b11bedd364d1af48904f7954e4d6c9a..9f7ea5c0a6b3a8cdc512c6623d99495d4c8c880f 100644 (file)
--- a/options.cpp
+++ b/options.cpp
@@ -30,7 +30,7 @@ namespace opt {
     bool version_requested = false;
 
     // Simulation parameters
     bool version_requested = false;
 
     // Simulation parameters

-    unsigned log_rate = 1;
+    int log_rate = 1;

 
     // Platform and deployment
     std::string platform_file;
 
     // Platform and deployment
     std::string platform_file;


@@ -47,12 +47,16 @@ namespace opt {
     // Load balancing algorithm
     std::string loba_algo("simple");
     bool bookkeeping = false;
     // 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
 
     // 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;
 
     // Parameters for the end of the simulation
     unsigned lb_maxiter = 0;


@@ -64,10 +68,14 @@ namespace opt {
     loba_algorithms_type loba_algorithms;
     loba_algorithms_type::loba_algorithms_type()
     {
     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("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);

     }
 
     topologies_type topologies;
     }
 
     topologies_type topologies;


@@ -92,6 +100,8 @@ namespace {
     // local helper class
     class opt_helper {
     public:
     // local helper class
     class opt_helper {
     public:

+        template <typename T>
+        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 <typename T>
         static const char* on_off(bool b);
         const char* descr(const char* str);
         template <typename T>


@@ -108,6 +118,16 @@ namespace {
 
 } // namespace
 
 
 } // namespace
 

+template <typename T>
+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";
 const char* opt_helper::on_off(bool b)
 {
     return b ? "on" : "off";


@@ -177,10 +197,13 @@ 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('/'));
 
     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;
     
     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:s:S:t:T:vV")) != -1) {

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


@@ -199,31 +222,58 @@ bool opt::parse_args(int* argc, char* argv[])
             opt::help_requested++;
             break;
         case 'c':
             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':
             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':
             break;
         case 'i':

-            std::istringstream(optarg) >> opt::lb_maxiter;
+            PARSE_ARG(opt::lb_maxiter);

             break;
         case 'I':
             break;
         case 'I':

-            std::istringstream(optarg) >> opt::comp_maxiter;
+            PARSE_ARG(opt::comp_maxiter);

             break;
         case 'l':
             break;
         case 'l':

-            std::istringstream(optarg) >> opt::log_rate;
+            PARSE_ARG(opt::log_rate);

             break;
         case 'L':
             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':
             break;
         case 'N':

-            std::istringstream(optarg) >> opt::auto_depl::nhosts;
+            PARSE_ARG(opt::auto_depl::nhosts);

             break;
         case 's':
             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':
             break;
         case 't':

-            std::istringstream(optarg) >> opt::time_limit;
+            PARSE_ARG(opt::time_limit);

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


@@ -245,6 +295,8 @@ bool opt::parse_args(int* argc, char* argv[])
         }
     }
 
         }
     }
 

+#undef PARSE_ARG
+

     if (opt::version_requested || opt::help_requested)
         return 1;
 
     if (opt::version_requested || opt::help_requested)
         return 1;
 


@@ -264,6 +316,12 @@ bool opt::parse_args(int* argc, char* argv[])
         result = false;
     }
 
         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;
+    }
+

     return result;
 }
 
     return result;
 }
 


@@ -289,9 +347,16 @@ void opt::print()
     }
     DESCR("load balancing algorithm", "%s", loba_algo.c_str());
     DESCR("bookkeeping", "%s", h.on_off(bookkeeping));
     }
     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("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", "%g", max_transfer_amount);
+    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"));
     DESCR("maximum number of comp. iterations", "%s",
     DESCR("maximum number of lb. iterations", "%s",
           h.val_or_string(lb_maxiter, "infinity"));
     DESCR("maximum number of comp. iterations", "%s",


@@ -358,17 +423,32 @@ void opt::usage()
         so_list(opt::loba_algorithms);
     std::clog << o("-b") << "toggle bookkeeping (\"virtual load\")"
               << " [" << opt_helper::on_off(opt::bookkeeping) << "]\n";
         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 << "\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";
               << "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";
               << "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")
 
     std::clog << "\nParameters for the end of the simulation\n";
     std::clog << o("-i value")


@@ -395,7 +475,8 @@ 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"
               << "        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";
 
 
     // std::clog << "\nMiscellaneous low-level parameters\n";