follow fix #747

Author: fsx950223

efficientdet/main.py

@@ -79,7 +79,7 @@
                      'evaluation.')
 flags.DEFINE_integer('iterations_per_loop', 100,
                      'Number of iterations per TPU training loop')
-flags.DEFINE_integer('save_checkpoints_steps', 5000,
+flags.DEFINE_integer('save_checkpoints_steps', 100,
                      'Number of iterations per checkpoint save')
 flags.DEFINE_string(
     'training_file_pattern', None,
@@ -220,7 +220,6 @@ def _can_partition(spatial_dim):
       FLAGS.iterations_per_loop if FLAGS.strategy == 'tpu' else 1,
       num_cores_per_replica=num_cores_per_replica,
       input_partition_dims=input_partition_dims,
-      save_checkpoints_steps=FLAGS.save_checkpoints_steps,
       per_host_input_for_training=tf.estimator.tpu.InputPipelineConfig
       .PER_HOST_V2)
 
@@ -232,6 +231,7 @@ def _can_partition(spatial_dim):
         log_step_count_steps=FLAGS.iterations_per_loop,
         session_config=config_proto,
         tpu_config=tpu_config,
+        save_checkpoints_steps=FLAGS.save_checkpoints_steps,
         tf_random_seed=FLAGS.tf_random_seed,
     )
   else: