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/perplexity/CMakeLists.txt

@@ -1,6 +1,18 @@
+# llama-perplexity-impl: perplexity logic, reusable by app
+
+set(TARGET llama-perplexity-impl)
+
+add_library(${TARGET} STATIC perplexity.cpp)
+
+target_include_directories(${TARGET} PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
+target_link_libraries(${TARGET} PUBLIC llama-common llama ${CMAKE_THREAD_LIBS_INIT})
+
+# llama-perplexity executable
+
 set(TARGET llama-perplexity)
-add_executable(${TARGET} perplexity.cpp)
-target_link_libraries(${TARGET} PRIVATE llama-common llama ${CMAKE_THREAD_LIBS_INIT})
+
+add_executable(${TARGET} main.cpp)
+target_link_libraries(${TARGET} PRIVATE llama-perplexity-impl)
 target_compile_features(${TARGET} PRIVATE cxx_std_17)
 
 if(LLAMA_TOOLS_INSTALL)

tools/perplexity/main.cpp

@@ -0,0 +1,5 @@
+int llama_perplexity(int argc, char ** argv);
+
+int main(int argc, char ** argv) {
+    return llama_perplexity(argc, argv);
+}

tools/perplexity/perplexity.cpp

@@ -2005,7 +2005,10 @@ static void kl_divergence(llama_context * ctx, const common_params & params) {
     LOG("Same top p: %6.3lf ± %5.3lf %%\n", 100.0*same_top_p, 100.0*sqrt(same_top_p*(1.0 - same_top_p)/(kld.count - 1)));
 }
 
-int main(int argc, char ** argv) {
+// satisfies -Wmissing-declarations
+int llama_perplexity(int argc, char ** argv);
+
+int llama_perplexity(int argc, char ** argv) {
     std::setlocale(LC_NUMERIC, "C");
 
     common_params params;