Add perplexity results for facebook/opt-350m

facebook/results_facebook_opt-350m_20250726_021737.json

@@ -0,0 +1,12 @@
+{
+  "config": {
+    "model_dtype": "torch.float16",
+    "model_name": "facebook/opt-350m",
+    "model_sha": "main"
+  },
+  "results": {
+    "perplexity": {
+      "perplexity": 12.343303680419922
+    }
+  }
+}