X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/d20f024dba9ff1e9c8822237caaf963b9e913889..0b17dd5e179f8d30e76445c121d88c0a0df24c2b:/teshsuite/surf/maxmin_bench/maxmin_bench.cpp

diff --git a/teshsuite/surf/maxmin_bench/maxmin_bench.cpp b/teshsuite/surf/maxmin_bench/maxmin_bench.cpp
deleted file mode 100644
index d3408b10fe..0000000000
--- a/teshsuite/surf/maxmin_bench/maxmin_bench.cpp
+++ /dev/null
@@ -1,196 +0,0 @@
-/* A crash few tests for the maxmin library                                 */
-
-/* Copyright (c) 2004-2017. The SimGrid Team.
- * All rights reserved.                                                     */
-
-/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
-
-#include "surf/maxmin.hpp"
-#include "simgrid/msg.h"
-#include "xbt/module.h"
-#include "xbt/sysdep.h" /* time manipulation for benchmarking */
-#include "xbt/xbt_os_time.h"
-
-#define MYRANDMAX 1000
-
-#include <cstdint>
-#include <cstdio>
-#include <cstdlib>
-
-double date;
-int64_t seedx = 0;
-
-static int myrand() {
-  seedx=seedx * 16807 % 2147483647;
-  return static_cast<int32_t>(seedx%1000);
-}
-
-static double float_random(double max)
-{
-  return ((max * myrand()) / (MYRANDMAX + 1.0));
-}
-
-static unsigned int int_random(int max)
-{
-  return static_cast<uint32_t>(((max * 1.0) * myrand()) / (MYRANDMAX + 1.0));
-}
-
-static void test(int nb_cnst, int nb_var, int nb_elem, unsigned int pw_base_limit, unsigned int pw_max_limit,
-                 float rate_no_limit, int max_share, int mode)
-{
-  lmm_constraint_t cnst[nb_cnst];
-  lmm_variable_t var[nb_var];
-  int used[nb_cnst];
-
-  lmm_system_t Sys = lmm_system_new(1);
-
-  for (int i = 0; i < nb_cnst; i++) {
-    cnst[i] = lmm_constraint_new(Sys, NULL, float_random(10.0));
-    int l;
-    if(rate_no_limit>float_random(1.0))
-      //Look at what happens when there is no concurrency limit
-      l=-1;
-    else
-      //Badly logarithmically random concurrency limit in [2^pw_base_limit+1,2^pw_base_limit+2^pw_max_limit]
-      l=(1<<pw_base_limit)+(1<<int_random(pw_max_limit));
-
-    lmm_constraint_concurrency_limit_set(cnst[i],l );
-  }
-
-  for (int i = 0; i < nb_var; i++) {
-    var[i] = lmm_variable_new(Sys, NULL, 1.0, -1.0, nb_elem);
-    //Have a few variables with a concurrency share of two (e.g. cross-traffic in some cases)
-    int concurrency_share = 1 + int_random(max_share);
-    lmm_variable_concurrency_share_set(var[i],concurrency_share);
-
-    for (int j = 0; j < nb_cnst; j++)
-      used[j] = 0;
-    for (int j = 0; j < nb_elem; j++) {
-      int k = int_random(nb_cnst);
-      if (used[k]>=concurrency_share) {
-        j--;
-        continue;
-      }
-      lmm_expand(Sys, cnst[k], var[i], float_random(1.5));
-      lmm_expand_add(Sys, cnst[k], var[i], float_random(1.5));
-      used[k]++;
-    }
-  }
-
-  fprintf(stderr,"Starting to solve(%i)\n",myrand()%1000);
-  date = xbt_os_time() * 1000000;
-  lmm_solve(Sys);
-  date = xbt_os_time() * 1000000 - date;
-
-  if(mode==2){
-    fprintf(stderr,"Max concurrency:\n");
-    int l=0;
-    for (int i = 0; i < nb_cnst; i++) {
-      int j=lmm_constraint_concurrency_maximum_get(cnst[i]);
-      int k=lmm_constraint_concurrency_limit_get(cnst[i]);
-      xbt_assert(k<0 || j<=k);
-      if(j>l)
-        l=j;
-      fprintf(stderr,"(%i):%i/%i ",i,j,k);
-      lmm_constraint_concurrency_maximum_reset(cnst[i]);
-      xbt_assert(not lmm_constraint_concurrency_maximum_get(cnst[i]));
-      if(i%10==9)
-        fprintf(stderr,"\n");
-    }
-    fprintf(stderr,"\nTotal maximum concurrency is %i\n",l);
-
-    lmm_print(Sys);
-  }
-
-  for (int i = 0; i < nb_var; i++)
-    lmm_variable_free(Sys, var[i]);
-  lmm_system_free(Sys);
-}
-
-unsigned int TestClasses [][4]=
-  //Nbcnst Nbvar Baselimit Maxlimit
-  {{  10  ,10    ,1        ,2 }, //small
-   {  100 ,100   ,3        ,6 }, //medium
-   {  2000,2000  ,5        ,8 }, //big
-   { 20000,20000 ,7        ,10}  //huge
-  };
-
-int main(int argc, char **argv)
-{
-  MSG_init(&argc, argv);
-
-  float rate_no_limit=0.2;
-  float acc_date=0;
-  float acc_date2=0;
-  int testclass;
-
-  if(argc<3) {
-    fprintf(stderr, "Syntax: <small|medium|big|huge> <count> [test|debug|perf]\n");
-    return -1;
-  }
-
-  //what class?
-  if (not strcmp(argv[1], "small"))
-    testclass = 0;
-  else if (not strcmp(argv[1], "medium"))
-    testclass = 1;
-  else if (not strcmp(argv[1], "big"))
-    testclass = 2;
-  else if (not strcmp(argv[1], "huge"))
-    testclass = 3;
-  else {
-    fprintf(stderr, "Unknown class \"%s\", aborting!\n",argv[1]);
-    return -2;
-  }
-
-  //How many times?
-  int testcount=atoi(argv[2]);
-
-  //Show me everything (debug or performance)!
-  int mode=0;
-  if(argc>=4 && strcmp(argv[3],"test")==0)
-    mode=1;
-  if(argc>=4 && strcmp(argv[3],"debug")==0)
-    mode=2;
-  if(argc>=4 && strcmp(argv[3],"perf")==0)
-    mode=3;
-
-  if(mode==1)
-    xbt_log_control_set("surf/maxmin.threshold:DEBUG surf/maxmin.fmt:\'[%r]: [%c/%p] %m%n\'\
-                         surf.threshold:DEBUG surf.fmt:\'[%r]: [%c/%p] %m%n\' ");
-
-  if(mode==2)
-    xbt_log_control_set("surf/maxmin.threshold:DEBUG surf.threshold:DEBUG");
-
-  unsigned int nb_cnst= TestClasses[testclass][0];
-  unsigned int nb_var= TestClasses[testclass][1];
-  unsigned int pw_base_limit= TestClasses[testclass][2];
-  unsigned int pw_max_limit= TestClasses[testclass][3];
-  unsigned int max_share    = 2; // 1<<(pw_base_limit/2+1)
-
-  //If you want to test concurrency, you need nb_elem >> 2^pw_base_limit:
-  unsigned int nb_elem= (1<<pw_base_limit)+(1<<(8*pw_max_limit/10));
-  //Otherwise, just set it to a constant value (and set rate_no_limit to 1.0):
-  //nb_elem=200
-
-  for(int i=0;i<testcount;i++){
-    seedx=i+1;
-    fprintf(stderr, "Starting %i: (%i)\n",i,myrand()%1000);
-    test(nb_cnst, nb_var, nb_elem, pw_base_limit, pw_max_limit, rate_no_limit,max_share,mode);
-    acc_date+=date;
-    acc_date2+=date*date;
-  }
-
-  float mean_date= acc_date/(float)testcount;
-  float stdev_date= sqrt(acc_date2/(float)testcount-mean_date*mean_date);
-
-  fprintf(stderr, "%ix One shot execution time for a total of %u constraints, "
-                  "%u variables with %u active constraint each, concurrency in [%i,%i] and max concurrency share %u\n",
-          testcount, nb_cnst, nb_var, nb_elem, (1 << pw_base_limit), (1 << pw_base_limit) + (1 << pw_max_limit),
-          max_share);
-  if(mode==3)
-    fprintf(stderr, "Execution time: %g +- %g  microseconds \n",mean_date, stdev_date);
-
-  return 0;
-}