Sort fixes: support for repeated trials.

[riscv-tests.git] / benchmarks / sort / sort_main.c

diff --git a/benchmarks/sort/sort_main.c b/benchmarks/sort/sort_main.c
index a4df38d718fad24dd35338bc34f103b7bb29a39a..15cb766be121e21d1216161a5816489068a0570f 100644 (file)
--- a/benchmarks/sort/sort_main.c
+++ b/benchmarks/sort/sort_main.c
@@ -5,25 +5,38 @@
 #include "util.h"
 #include "dataset.h"
 
-#define USE_RADIX_SORT
 
 // Need 7 times the input size for: input data, indices, 
 // four copies, and buckets.
-FAKE_MALLOC_INIT( (8 * DATA_SIZE_SORT), radix )
+FAKE_MALLOC_INIT( (8 * DATA_SIZE_SORT * TRIALS_SORT), radix )
+
+
+#if defined(USE_N_SQUARED_SORT)
+const char* algo = "N_SQUARED";
+#elif defined(USE_RADIX_SORT)
+const char* algo = "RADIX";
+#elif defined(USE_INSERTION_SORT)
+const char* algo = "INSERTION";
+#else
+const char* algo = "QUICKSORT";
+#endif
+
+
 
 int main( int argc, char* argv[] )
 {
   int err;
 
-  int* index = fake_malloc_radix (sizeof(int) * DATA_SIZE_SORT);
-  for ( int i = 0; i < DATA_SIZE_SORT; i++ )
-    index[i] = i;
+  int* index = fake_malloc_radix (sizeof(int) * DATA_SIZE_SORT * TRIALS_SORT);
+  for(int trial = 0; trial < TRIALS_SORT; trial++)
+    for ( int i = 0; i < DATA_SIZE_SORT; i++ )
+      index[i + (DATA_SIZE_SORT * trial)] = i;
 
 #ifdef PREALLOCATE
   // Access every element of input_data_sort to make sure it's in cache
   // (or at least that as much as possible of its beginning is).
   float sum = 0;
-  for(int i = DATA_SIZE_SORT-1; i >= 0; i--) {
+  for(int i = (DATA_SIZE_SORT * TRIALS_SORT)-1; i >= 0; i--) {
     sum += input_data_sort[i];
   }
   if(sum < 0.1)
@@ -41,50 +54,61 @@ int main( int argc, char* argv[] )
   __tmp; })
 
 
-  long cycles = read_csr_safe(cycle);
-  long instret = read_csr_safe(instret);
+  long cycles_total = 0;
+  long instret_total = 0;
+
+  for(int i = 0; i < TRIALS_SORT; i++) {
+    long cycles = read_csr_safe(cycle);
+    long instret = read_csr_safe(instret);
+
+    float* input_data_trial = &input_data_sort[DATA_SIZE_SORT * i];
+    int* index_trial = &index[DATA_SIZE_SORT * i];
 
-  // Do sorting
 #if defined(USE_N_SQUARED_SORT)
-  const char* algo = "N_SQUARED";
-  err = n_squared_sort ( input_data_sort, index, DATA_SIZE_SORT );
+    err = n_squared_sort ( input_data_trial, index_trial, DATA_SIZE_SORT );
 #elif defined(USE_RADIX_SORT)
-  const char* algo = "RADIX";
-  err = radix_sort_tuples ( (int *) input_data_sort, index, DATA_SIZE_SORT, RADIX_BITS );
+    err = radix_sort_tuples ( (int *) input_data_trial, index_trial, DATA_SIZE_SORT, RADIX_BITS );
 #elif defined(USE_INSERTION_SORT)
-  const char* algo = "INSERTION";
-  err = insertion_sort ( input_data_sort, index, DATA_SIZE_SORT );
+    err = insertion_sort ( input_data_trial, index_trial, DATA_SIZE_SORT );
 #else
-  const char* algo = "QUICKSORT";
-  err = quicksort ( input_data_sort, index, DATA_SIZE_SORT );
+    err = quicksort ( input_data_trial, index_trial, DATA_SIZE_SORT );
 #endif
-  
-  cycles = read_csr_safe(cycle) - cycles;
-  instret = read_csr_safe(instret) - instret;
+
+    cycles_total  += read_csr_safe(cycle) - cycles;
+    instret_total += read_csr_safe(instret) - instret;
+  }
 
   setStats(0);
 
-  // Validate result
+  printf("DONE SORTING.\n", 0);
+
+  // Validate results
   err = 0;
-  for(int i = 0; i < DATA_SIZE_SORT-1; i++)
+  for(int trial = 0; trial < TRIALS_SORT; trial++)
   {
-    if((unsigned int) input_data_sort[i] > (unsigned int) input_data_sort[i+1])
+    float* input_data_trial = &input_data_sort[DATA_SIZE_SORT * trial];
+    int* index_trial = &index[DATA_SIZE_SORT * trial];
+
+    for(int i = 0; i < DATA_SIZE_SORT-1; i++)
     {
-      err = i;
-      for(int j = 0; j < DATA_SIZE_SORT; j++)
-        printf("%d:\t%d\n", j, input_data_sort[j]);
-      break;
+      if((unsigned int) input_data_trial[i] > (unsigned int) input_data_trial[i+1])
+      {
+        err = i;
+        for(int j = 0; j < DATA_SIZE_SORT; j++)
+          printf("TRIAL %d, element %d:\t%d\n", trial, j, input_data_trial[j]);
+        break;
+      }
     }
   }
 
-  /*printf("sort_cycles  = %ld\n", cycles);
-  printf("sort_instret = %d\n", instret);
+  printf("sort_cycles  = %ld\n", cycles_total/TRIALS_SORT);
+  printf("sort_instret = %d\n", instret_total/TRIALS_SORT);
   printf("sort_size    = %d\n", DATA_SIZE_SORT);
+  printf("sort_trials  = %d\n", TRIALS_SORT);
   printf("sort_algo    = %s\n", algo);
   printf("sort_radix_bits = %d\n", RADIX_BITS);
   printf("sort_prealloc = %s\n", prealloc ? "true" : "false");
   printf("sort_err = %d\n", err);
-  */
 
   return err;
 }