Implement random initial load distribution.

[loba.git] / options.cpp

diff --git a/options.cpp b/options.cpp
index 9f7ea5c0a6b3a8cdc512c6623d99495d4c8c880f..96542f6d39f8c01de3872b87b22377c6ed310d5d 100644 (file)
--- a/options.cpp
+++ b/options.cpp
@@ -1,3 +1,4 @@
+#include <ctime>
 #include <iomanip>
 #include <iostream>
 #include <sstream>
@@ -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
@@ -31,6 +36,7 @@ namespace opt {
 
     // Simulation parameters
     int log_rate = 1;
+    bool exit_request = false;
 
     // Platform and deployment
     std::string platform_file;
@@ -42,6 +48,8 @@ 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
@@ -68,10 +76,14 @@ namespace opt {
     loba_algorithms_type loba_algorithms;
     loba_algorithms_type::loba_algorithms_type()
     {
+        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",
@@ -135,10 +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();
 }
 
@@ -203,7 +214,7 @@ bool opt::parse_args(int* argc, char* argv[])
     int c;
     opterr = 0;
     while ((c = getopt(*argc, argv,
-                       "a:bc:C:d:D:ehi:I:l:L:m:M:N:s:S:t:T:vV")) != -1) {
+                       "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;
@@ -266,6 +277,13 @@ bool opt::parse_args(int* argc, char* argv[])
         case 'N':
             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':
             PARSE_ARG(opt::min_lb_iter_duration);
             break;
@@ -322,6 +340,9 @@ bool opt::parse_args(int* argc, char* argv[])
         result = false;
     }
 
+    if (!opt::auto_depl::random_seed)
+        opt::auto_depl::random_seed = time(NULL);
+
     return result;
 }
 
@@ -342,6 +363,10 @@ 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());
     }
@@ -352,16 +377,17 @@ void opt::print()
     DESCR("computation cost factors", "[%s]", comp_cost.to_string().c_str());
     DESCR("communication cost factors", "[%s]", comm_cost.to_string().c_str());
     DESCR("minimum data transfer amount", "%g", min_transfer_amount);
-    DESCR("maximum data transfer amount", "%g", max_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("`----");
 
@@ -415,6 +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"
@@ -438,7 +471,7 @@ void opt::usage()
               << "minimum data transfer amount"
               << " [" << opt::min_transfer_amount << "]\n";
     std::clog << o("-M value")
-              << "maximum data transfer amount (0 for no limit)"
+              << "maximum data transfer amount, 0 for no limit"
               << " [" << opt::max_transfer_amount << "]\n";
     std::clog << o("-S value")
               << "minimum duration between comp. iterations"
@@ -452,13 +485,13 @@ void opt::usage()
 
     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";