modify yolov3_darknet53 network log info

official/cv/yolov3_darknet53/train.py

@@ -280,12 +280,12 @@ def run_train():
         if i % config.log_interval == 0:
             time_used = time.time() - t_end
             epoch = int(i / config.steps_per_epoch)
-            per_step_time = time_used/config.log_interval
+            per_step_time = time_used / config.log_interval * 1000
             fps = config.per_batch_size * (i - old_progress) * config.group_size / time_used
             if config.rank == 0:
                 config.logger.info(
                     'epoch[{}], iter[{}], {}, {:.2f} imgs/sec, lr:{},'
-                    ' per_step_time:{}'.format(epoch, i, loss_meter, fps, lr[i], per_step_time))
+                    ' per step time:{}ms'.format(epoch, i, loss_meter, fps, lr[i], per_step_time))
             t_end = time.time()
             loss_meter.reset()
             old_progress = i