Disable Rapid Json to be used by Default (#2936)

To enable the json dump we can now build with -DCK_ENABLE_JSON_DUMP=1

[ROCm/composable_kernel commit: e92e69318e]

CMakeLists.txt

@@ -339,6 +339,7 @@ endif()
 option(USE_BITINT_EXTENSION_INT4 "Whether to enable clang's BitInt extension to provide int4 data type." OFF)
 option(USE_OPT_GFX11 "Whether to enable LDS cumode and Wavefront32 mode for GFX11 silicons." OFF)
 option(ENABLE_ASM_DUMP "Whether to enable assembly dump for kernels." OFF)
+option(ENABLE_JSON_DUMP "Whether to enable json dump for examples." OFF)
 
 if(USE_BITINT_EXTENSION_INT4)
     add_compile_definitions(CK_EXPERIMENTAL_BIT_INT_EXTENSION_INT4)
@@ -352,6 +353,11 @@ if(ENABLE_ASM_DUMP)
     message("CK compiled with ENABLE_ASM_DUMP set to ${ENABLE_ASM_DUMP}")
 endif()
 
+if (ENABLE_JSON_DUMP)
+    add_compile_definitions(CK_ENABLE_JSON_DUMP)
+    message("CK compiled with ENABLE_JSON_DUMP set to ${ENABLE_JSON_DUMP}")
+endif()
+
 ## Threads
 set(THREADS_PREFER_PTHREAD_FLAG ON)
 find_package(Threads REQUIRED)

include/ck_tile/utility/json_dump.hpp

@@ -1,10 +1,10 @@
+#ifdef CK_ENABLE_JSON_DUMP
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wzero-as-null-pointer-constant"
 #include "rapidjson/writer.h"
 #include "rapidjson/stringbuffer.h"
 #include "rapidjson/document.h"
 #include "rapidjson/rapidjson.h"
-// #include <fstream>
 #pragma GCC diagnostic pop
 
 #define START_JSON_DUMP_FILE(file_name)                                             \
@@ -76,6 +76,18 @@ static void add_perf_to_json(rapidjson::Writer<rapidjson::StringBuffer>& writer,
     writer.EndArray();
 }
 
+#else
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+#pragma GCC diagnostic ignored "-Wunused-local-typedef"
+#define START_JSON_DUMP_FILE(file_name)
+#define END_JSON_DUMP_FILE() \
+    std::cout << "JSON dump disabled, To enable, set CK_ENABLE_JSON_DUMP cmake option" << std::endl;
+
+#define ADD_KEY_VALUE(key, value)
+#define ADD_PERF_TO_JSON(_time, tflops, gbytes)
+#endif
+
 // Helper traits to check for static member existence
 template <typename T, typename = void>
 struct has_warp_tile_members : std::false_type
@@ -698,3 +710,7 @@ void dump_fmha_bwd_json_results(const std::string& json_filename,
     ADD_PERF_TO_JSON(ave_time, tflops, gb_per_sec)
     END_JSON_DUMP_FILE();
 }
+
+#ifndef CK_ENABLE_JSON_DUMP
+#pragma GCC diagnostic pop
+#endif