diff --git a/src/lightning_model.py b/src/lightning_model.py
index 4602e82..370d1a7 100644
--- a/src/lightning_model.py
+++ b/src/lightning_model.py
@@ -34,6 +34,7 @@ class LightningModel(pl.LightningModule):
                  ema_tracker: Optional[EMACallable] = None,
                  optimizer: OptimizerCallable = None,
                  lr_scheduler: LRSchedulerCallable = None,
+                 compile: bool = False
                  ):
         super().__init__()
         self.vae = vae
@@ -48,6 +49,7 @@ class LightningModel(pl.LightningModule):
         # self.model_loader = ModelLoader()
 
         self._strict_loading = False
+        self._compile = compile
 
     def configure_model(self) -> None:
         self.trainer.strategy.barrier()
@@ -61,6 +63,11 @@ class LightningModel(pl.LightningModule):
         no_grad(self.diffusion_sampler)
         no_grad(self.ema_denoiser)
 
+        # add compile to speed up
+        if self._compile:
+            self.denoiser = torch.compile(self.denoiser)
+            self.ema_denoiser = torch.compile(self.ema_denoiser)
+
     def configure_callbacks(self) -> Union[Sequence[Callback], Callback]:
         ema_tracker = self.ema_tracker(self.denoiser, self.ema_denoiser)
         return [ema_tracker]