Minor logging improvement

Author: EAddario

src/llama-quant.cpp

@@ -798,7 +798,9 @@ static void llama_model_quantize_impl(const std::string & fname_inp, const std::
                     const std::vector<tensor_quantization> & tensor_types = *static_cast<const std::vector<tensor_quantization> *>(params->tensor_types);
                     for (const auto & [tname, qtype] : tensor_types) {
                         if (std::regex pattern(tname); std::regex_search(tensor->name, pattern)) {
-                            LLAMA_LOG_DEBUG("(overriding %s -> %s), ", ggml_type_name(new_type), ggml_type_name(qtype));
+                            if (qtype != new_type) {
+                                LLAMA_LOG_DEBUG("(overriding %s -> %s), ", ggml_type_name(new_type), ggml_type_name(qtype));
+                            }
                             new_type = qtype;
                             break;
                         }