added fast_int8

Author: LiyuanLucasLiu

flash_rl/vllm_patch.py

@@ -145,8 +145,7 @@ def hacked_process_weights_after_loading(
 
             for name, p in all_updated_params.items():
                 if name in updated_params:
-                    strided_data = torch.as_strided(
-                            p.data, hacked_data_dict[name].shape, hacked_data_dict[name].stride())
+                    strided_data = p.data.t()
                     hacked_data_dict[name].copy_(strided_data)
                 else:
                     skipped_params.append(name)