diff --git a/train_ms.py b/train_ms.py
index 176c17d..28e602a 100644
--- a/train_ms.py
+++ b/train_ms.py
@@ -77,8 +77,8 @@ def run(rank, n_gpus, hps):
         rank=rank,
         shuffle=True)
     collate_fn = TextAudioSpeakerCollate()
-    train_loader = DataLoader(train_dataset, num_workers=20, shuffle=False, pin_memory=True,
-                              collate_fn=collate_fn, batch_sampler=train_sampler, persistent_workers=True)
+    train_loader = DataLoader(train_dataset, num_workers=24, shuffle=False, pin_memory=True,
+                              collate_fn=collate_fn, batch_sampler=train_sampler, persistent_workers=True,prefetch_factor=4)
     if rank == 0:
         eval_dataset = TextAudioSpeakerLoader(hps.data.validation_files, hps.data)
         eval_loader = DataLoader(eval_dataset, num_workers=0, shuffle=False,