Fixed bug in results file generator

llvm/projects/soc_simulator/src/driver.py

@@ -248,7 +248,6 @@ def run_simulations(config_filename):
             prev_layer = curr_layer
         config_count += 1
         print("\n")
-    config_count += 1 # because we're storing the count and not the index
     config_file.close()
 
 
@@ -257,10 +256,8 @@ def display_results(results_filename):
     attributes_to_print = [results_time_key, results_energy_key]
 
     for attribute in attributes_to_print:
-        attribute_data = [] # Store as list and then write to file once bc syscalls are slow 
-        attribute_data.append(attribute)
-    
-        attribute_data.append("Configuration,Total,Improvement") # header
+        results_file.write("%s\n" % attribute)
+        results_file.write("Configuration,Total,Improvement\n") 
 
         baseline_val = aggregate_results[attribute][0]
         print(baseline_val)
@@ -268,18 +265,15 @@ def display_results(results_filename):
         best_result = None
 
         for config_ind in range(config_count):
-            config_data = ["c%d" % config_ind]
+            results_file.write("c%d" % config_ind)
             time_or_energy_val = aggregate_results[attribute][config_ind]
-            config_data.append(str(time_or_energy_val))
-            config_data.append(str(baseline_val / (time_or_energy_val + 0.0001)))
-            attribute_data.append(','.join(config_data))
+            results_file.write(",%f" % time_or_energy_val)
+            results_file.write(",%f\n" % (baseline_val / (time_or_energy_val + 0.0001)))
 
             if not best_result or time_or_energy_val < best_result:
                 best_result = time_or_energy_val
                 best_config = config_ind
-        attribute_data.append("c%d,%d" % (best_config, aggregate_results[attribute][best_config]))
-        attribute_data.append("") # To add an additional new line 
-        results_file.write('\n'.join(attribute_data))
+        results_file.write("\nc%d,%f\n\n" % (best_config, aggregate_results[attribute][best_config]))
     results_file.close()
 
 if __name__ == "__main__":