X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/d451c4179815683bdf2303edea68709a65155988..d568c1c940444f6645e297f9c09e0bba96fce8cf:/teshsuite/surf/maxmin_bench/maxmin_bench.c

diff --git a/teshsuite/surf/maxmin_bench/maxmin_bench.c b/teshsuite/surf/maxmin_bench/maxmin_bench.c
index 6b1ca7f12f..78e9222a02 100644
--- a/teshsuite/surf/maxmin_bench/maxmin_bench.c
+++ b/teshsuite/surf/maxmin_bench/maxmin_bench.c
@@ -11,33 +11,43 @@
 #include "xbt/xbt_os_time.h"
 #include "xbt/sysdep.h"         /* time manipulation for benchmarking */
 
+#define MYRANDMAX 1000
+
 #include <stdlib.h>
 #include <stdio.h>
+#include <stdint.h>
 
 double date;
+int64_t seedx= 0;
+
+static int myrand(void) {
+  seedx=seedx * 16807 % 2147483647;
+  return (int32_t) seedx%1000;
+}
 
-double float_random(double max);
-double float_random(double max)
+static double float_random(double max)
 {
-  return ((max * rand()) / (RAND_MAX + 1.0));
+  return ((max * myrand()) / (MYRANDMAX + 1.0));
 }
 
-int int_random(int max);
-int int_random(int max)
+static unsigned int int_random(int max)
 {
-  return (int) (((max * 1.0) * rand()) / (RAND_MAX + 1.0));
+  return (uint32_t) (((max * 1.0) * myrand()) / (MYRANDMAX + 1.0));
 }
 
-void test(int nb_cnst, int nb_var, int nb_elem, int pw_base_limit, int pw_max_limit, float rate_no_limit, int max_share, int mode);
-void test(int nb_cnst, int nb_var, int nb_elem, int pw_base_limit, int pw_max_limit, float rate_no_limit, int max_share, int mode)
+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_system_t Sys = NULL;
   lmm_constraint_t *cnst = xbt_new0(lmm_constraint_t, nb_cnst);
   lmm_variable_t *var = xbt_new0(lmm_variable_t, nb_var);
   int *used = xbt_new0(int, nb_cnst);
-  int i, j, k,l;
+  int i;
+  int j;
+  int k;
+  int l;
   int concurrency_share;
-  
+
   Sys = lmm_system_new(1);
 
   for (i = 0; i < nb_cnst; i++) {
@@ -48,16 +58,16 @@ void test(int nb_cnst, int nb_var, int nb_elem, int pw_base_limit, int pw_max_li
     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 (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)
     concurrency_share=1+int_random(max_share);
     lmm_variable_concurrency_share_set(var[i],concurrency_share);
-      
+
     for (j = 0; j < nb_cnst; j++)
       used[j] = 0;
     for (j = 0; j < nb_elem; j++) {
@@ -72,41 +82,40 @@ void test(int nb_cnst, int nb_var, int nb_elem, int pw_base_limit, int pw_max_li
     }
   }
 
-  printf("Starting to solve\n");
+  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==1){
-    printf("Max concurrency:\n");
+  if(mode==2){
+    fprintf(stderr,"Max concurrency:\n");
     l=0;
     for (i = 0; i < nb_cnst; i++) {
       j=lmm_constraint_concurrency_maximum_get(cnst[i]);
       k=lmm_constraint_concurrency_limit_get(cnst[i]);
       xbt_assert(k<0 || j<=k);
       if(j>l)
-	l=j;
-      printf("(%i):%i/%i ",i,j,k);
+        l=j;
+      fprintf(stderr,"(%i):%i/%i ",i,j,k);
       lmm_constraint_concurrency_maximum_reset(cnst[i]);
       xbt_assert(!lmm_constraint_concurrency_maximum_get(cnst[i]));
       if(i%10==9)
-	printf("\n");    
+        fprintf(stderr,"\n");
     }
-    printf("\nTotal maximum concurrency is %i\n",l);
+    fprintf(stderr,"\nTotal maximum concurrency is %i\n",l);
 
     lmm_print(Sys);
   }
-  
+
   for (i = 0; i < nb_var; i++)
     lmm_variable_free(Sys, var[i]);
   lmm_system_free(Sys);
   free(cnst);
   free(var);
   free(used);
-  
 }
 
-int TestClasses [][4]=
+unsigned int TestClasses [][4]=
   //Nbcnst Nbvar Baselimit Maxlimit 
   {{  10  ,10    ,1        ,2 }, //small
    {  100 ,100   ,3        ,6 }, //medium
@@ -116,14 +125,13 @@ int TestClasses [][4]=
 
 int main(int argc, char **argv)
 {
-  int nb_cnst, nb_var,nb_elem,pw_base_limit,pw_max_limit,max_share;
   float rate_no_limit=0.2;
-  float acc_date=0,acc_date2=0;
-  int testclass,mode,testcount;
-  int i;
-  
+  float acc_date=0;
+  float acc_date2=0;
+  int testclass;
+
   if(argc<3) {
-    printf("Syntax: <small|medium|big|huge> <count> [test|debug|perf]\n");
+    fprintf(stderr, "Syntax: <small|medium|big|huge> <count> [test|debug|perf]\n");
     return -1;
   }
 
@@ -137,15 +145,15 @@ int main(int argc, char **argv)
   else if(!strcmp(argv[1],"huge"))
       testclass=3;
   else {
-    printf("Unknown class \"%s\", aborting!\n",argv[1]);
+    fprintf(stderr, "Unknown class \"%s\", aborting!\n",argv[1]);
     return -2;
   }
 
   //How many times?
-  testcount=atoi(argv[2]);
-  
+  int testcount=atoi(argv[2]);
+
   //Show me everything (debug or performance)!
-  mode=0;
+  int mode=0;
   if(argc>=4 && strcmp(argv[3],"test")==0)
     mode=1;
   if(argc>=4 && strcmp(argv[3],"debug")==0)
@@ -153,28 +161,29 @@ int main(int argc, char **argv)
   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");
-    
-  nb_cnst= TestClasses[testclass][0];
-  nb_var= TestClasses[testclass][1];
-  pw_base_limit= TestClasses[testclass][2];
-  pw_max_limit= TestClasses[testclass][3];
-  max_share=2; //1<<(pw_base_limit/2+1);
+
+  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:
-  nb_elem= (1<<pw_base_limit)+(1<<(8*pw_max_limit/10));
+  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
 
   xbt_init(&argc, argv);
-  
-  for(i=0;i<testcount;i++){
+
+  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;
@@ -182,11 +191,12 @@ int main(int argc, char **argv)
 
   float mean_date= acc_date/(float)testcount;  
   float stdev_date= sqrt(acc_date2/(float)testcount-mean_date*mean_date);
-    
-  printf("%ix One shot execution time for a total of %d constraints, "
+
+  fprintf(stderr,
+         "%ix One shot execution time for a total of %d constraints, "
          "%d variables with %d active constraint each, concurrency in [%i,%i] and max concurrency share %i\n",
-	 testcount,nb_cnst, nb_var, nb_elem, (1<<pw_base_limit), (1<<pw_base_limit)+(1<<pw_max_limit), max_share);
+         testcount,nb_cnst, nb_var, nb_elem, (1<<pw_base_limit), (1<<pw_base_limit)+(1<<pw_max_limit), max_share);
   if(mode==3)
- 	 printf("Execution time: %g +- %g  microseconds \n",mean_date, stdev_date);
+    fprintf(stderr, "Execution time: %g +- %g  microseconds \n",mean_date, stdev_date);
   return 0;
 }