Update bigaspv20.json

Author: aidreamer2030

presets/bigaspv20.json

@@ -31,7 +31,7 @@
     ],
     "default_cfg_scale": 3.0,
     "default_sample_sharpness": 2.0,
-    "default_sampler": "dpmpp_2m_sde",
+    "default_sampler": "dpmpp_2m_sde_gpu",
     "default_scheduler": "karras",
     "default_performance": "Speed",
     "default_prompt": "",