add acc_freq doc

Author: HydrogenSulfate

deepmd/utils/argcheck.py

@@ -40,6 +40,7 @@
 
 doc_only_tf_supported = "(Supported Backend: TensorFlow) "
 doc_only_pt_supported = "(Supported Backend: PyTorch) "
+doc_only_pd_supported = "(Supported Backend: Paddle) "
 # descriptors
 doc_loc_frame = "Defines a local frame at each atom, and the compute the descriptor as local coordinates under this frame."
 doc_se_e2_a = "Used by the smooth edition of Deep Potential. The full relative coordinates are used to construct the descriptor."
@@ -3167,6 +3168,7 @@ def training_args(
     doc_kf_blocksize = "The blocksize for the Kalman filter."
     doc_model_prob = "The visiting probability of each model for each training step in the multi-task mode."
     doc_data_dict = "The multiple definition of the data, used in the multi-task mode."
+    doc_acc_freq = "The accumulation steps for the gradients."
 
     arg_training_data = training_data_args()
     arg_validation_data = validation_data_args()
@@ -3269,6 +3271,12 @@ def training_args(
             optional=True,
             doc=doc_only_pt_supported + doc_gradient_max_norm,
         ),
+        Argument(
+            "acc_freq",
+            int,
+            optional=True,
+            doc=doc_only_pd_supported + doc_acc_freq,
+        ),
     ]
     variants = [
         Variant(