bump batch sizes

src/smc/inference.py

@@ -114,9 +114,9 @@ def _get_batch_size_based_on_gpu_mem_smc_grad(device, phi):
             if total_mem_gb < 24:
                 batch_p = 1
             elif total_mem_gb < 48:
-                batch_p = 2
-            elif total_mem_gb < 70:
                 batch_p = 4
+            elif total_mem_gb < 70:
+                batch_p = 7
             else:
                 batch_p = 8
         elif phi <= 4: