Upload completed Stage 3 checkpoints

metrics/stage3_b32_step_0025000_metrics.json

@@ -0,0 +1,10 @@
+{
+  "metrics": {
+    "eval/decoded_mse": 0.015551990419626236,
+    "eval/decoded_psnr": 24.102740112807904,
+    "eval/noise_mse": 0.007685660347342491,
+    "eval/num_images": 100.0,
+    "eval/x0_mse": 0.09100143194198608
+  },
+  "step": 25000
+}