[RM] partial json system_config

fknorr · fknorr · commit 94eb75b1a711 · 2023-12-27T10:11:05.000+01:00
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -1,4 +1,5 @@
 cmake_minimum_required(VERSION 3.13)
+cmake_policy(SET CMP0135 NEW) # ExternalProject downloads will have archive timestamps
 
 set(SIMSYCL_VERSION 0.1)
 set(SIMSYCL_VERSION_MAJOR 0)
@@ -26,6 +27,19 @@ endif()
 
 find_package(Boost 1.70 COMPONENTS context REQUIRED)
 
+include(FetchContent)
+
+set(JSON_BuildTests OFF CACHE INTERNAL "")
+set(JSON_Install ON CACHE INTERNAL "")
+
+FetchContent_Declare(
+  nlohmann_json
+  URL https://github.com/nlohmann/json/releases/download/v3.11.3/json.tar.xz
+  URL_HASH SHA256=d6c65aca6b1ed68e7a182f4757257b107ae403032760ed6ef121c9d55e81757d
+)
+
+FetchContent_MakeAvailable(nlohmann_json)
+
 include(CheckTypeSize)
 check_type_size(_Float16 FLOAT16 BUILTIN_TYPES_ONLY LANGUAGE CXX)
 if (HAVE_FLOAT16)
@@ -121,9 +135,13 @@ add_library(simsycl
     src/simsycl/platform.cc
     src/simsycl/queue.cc
     src/simsycl/system.cc
+    src/simsycl/system_config.cc
     src/simsycl/templates.cc
 )
-target_link_libraries(simsycl Boost::context)
+target_link_libraries(simsycl PRIVATE
+    Boost::context
+    nlohmann_json::nlohmann_json
+)
 target_include_directories(simsycl PUBLIC
     $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
     $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/include>
diff --git a/src/simsycl/system_config.cc b/src/simsycl/system_config.cc
@@ -0,0 +1,37 @@
+#include <simsycl/system.hh>
+
+#include <nlohmann/json.hpp>
+
+
+namespace simsycl::sycl { // nlohmann_json requires us to invoke SERIALIZE_ENUM in this namespace
+
+NLOHMANN_JSON_SERIALIZE_ENUM(aspect,
+    {
+        {aspect::cpu, "cpu"},
+        {aspect::gpu, "gpu"},
+        {aspect::accelerator, "accelerator"},
+        {aspect::custom, "custom"},
+        {aspect::emulated, "emulated"},
+        {aspect::host_debuggable, "host_debuggable"},
+        {aspect::fp16, "fp16"},
+        {aspect::fp64, "fp64"},
+        {aspect::atomic64, "atomic64"},
+        {aspect::image, "image"},
+        {aspect::online_compiler, "online_compiler"},
+        {aspect::online_linker, "online_linker"},
+        {aspect::queue_profiling, "queue_profiling"},
+        {aspect::usm_device_allocations, "usm_device_allocations"},
+        {aspect::usm_host_allocations, "usm_host_allocations"},
+        {aspect::usm_atomic_host_allocations, "usm_atomic_host_allocations"},
+        {aspect::usm_shared_allocations, "usm_shared_allocations"},
+        {aspect::usm_atomic_shared_allocations, "usm_atomic_shared_allocations"},
+        {aspect::usm_system_allocations, "usm_system_allocations"},
+    })
+
+}
+
+namespace simsycl::detail {
+
+device_config load_device_config(const std::string &path_to_json_file) {}
+
+} // namespace simsycl::detail
