Merge pull request #43 from Dok11/main

sample only 4x4 tiles, since OOM when training at resolution of 1024x1024

lightweight_gan/lightweight_gan.py

@@ -1065,7 +1065,7 @@ def train(self):
         self.steps += 1
 
     @torch.no_grad()
-    def evaluate(self, num = 0, num_image_tiles = 8, trunc = 1.0):
+    def evaluate(self, num = 0, num_image_tiles = 4, trunc = 1.0):
         self.GAN.eval()
 
         ext = self.image_extension