app : add batched-bench, fit-params, quantize & perplexity (#23459)

* app : add batched-bench, fit-params, quantize & perplexity

Signed-off-by: Adrien Gallouët <angt@huggingface.co>

* Add missing main.cpp

Signed-off-by: Adrien Gallouët <angt@huggingface.co>

* Add EOL

Signed-off-by: Adrien Gallouët <angt@huggingface.co>

---------

Signed-off-by: Adrien Gallouët <angt@huggingface.co>

tools/batched-bench/batched-bench.cpp

@@ -15,7 +15,10 @@ static void print_usage(int, char ** argv) {
     LOG("\n");
 }
 
-int main(int argc, char ** argv) {
+// satisfies -Wmissing-declarations
+int llama_batched_bench(int argc, char ** argv);
+
+int llama_batched_bench(int argc, char ** argv) {
     std::setlocale(LC_NUMERIC, "C");
 
     common_params params;