update modeling.py

change mesh_size to 512 and render_size to 384 for better performance

modeling.py

@@ -67,7 +67,7 @@ class LRMGenerator(PreTrainedModel):
             triplane_dim=config.triplane_dim, samples_per_ray=config.rendering_samples_per_ray,
         )
 
-    def forward(self, image, camera, export_mesh=False, mesh_size=256, render_size=256, export_video=False, fps=30):
+    def forward(self, image, camera, export_mesh=False, mesh_size=512, render_size=384, export_video=False, fps=30):
 
         assert image.shape[0] == camera.shape[0], "Batch size mismatch"
         N = image.shape[0]