model : print warning only if n_swa > 0

Author: ggerganov

src/llama-model.cpp

@@ -853,14 +853,18 @@ void llama_model::load_hparams(llama_model_loader & ml) {
                     default: type = LLM_TYPE_UNKNOWN;
                 }
 
-                LLAMA_LOG_WARN("%s: Phi SWA is currently disabled - results might be suboptimal for some models (see %s)\n",
-                        __func__, "https://github.com/ggml-org/llama.cpp/pull/13676");
+                const bool found_swa = ml.get_key(LLM_KV_ATTENTION_SLIDING_WINDOW, hparams.n_swa, false);
 
-                // TODO: fix conversion scripts to correctly populate `n_swa` and `n_swa_pattern`
-                hparams.swa_type = LLAMA_SWA_TYPE_NONE;
+                if (found_swa && hparams.n_swa > 0) {
+                    LLAMA_LOG_WARN("%s: Phi SWA is currently disabled - results might be suboptimal for some models (see %s)\n",
+                            __func__, "https://github.com/ggml-org/llama.cpp/pull/13676");
 
-                hparams.n_swa         = 0;
-                hparams.n_swa_pattern = 1;
+                    // TODO: fix conversion scripts to correctly populate `n_swa` and `n_swa_pattern`
+                    hparams.swa_type = LLAMA_SWA_TYPE_NONE;
+
+                    hparams.n_swa         = 0;
+                    hparams.n_swa_pattern = 1;
+                }
             } break;
         case LLM_ARCH_PHIMOE:
             {