wip

Author: art049

google_benchmark/CMakeLists.txt

@@ -0,0 +1,14 @@
+cmake_minimum_required(VERSION 3.12)
+include(FetchContent)
+
+project(codspeed_google_benchmark_compat VERSION 0.0.0 LANGUAGES CXX)
+
+FetchContent_Declare(
+  google_benchmark
+  GIT_REPOSITORY https://github.com/google/benchmark.git
+  GIT_TAG        12235e24652fc7f809373e7c11a5f73c5763fc4c # v1.9.0
+)
+FetchContent_MakeAvailable(google_benchmark)
+
+add_library(codspeed_picobench_compat)
+

google_benchmark/examples/CMakeLists.txt

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+macro(pb_example name)
+    set(tgt picobench-example-${name})
+    add_executable(${tgt} ${ARGN})
+    target_link_libraries(${tgt} codspeed_picobench_compat)
+    set_target_properties(${tgt} PROPERTIES FOLDER example)
+    add_custom_target(
+        picobench-run-example-${name}
+        COMMAND ${tgt}
+    )
+endmacro()
+
+pb_example(basic basic.cpp)

google_benchmark/examples/basic.cpp

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+#define PICOBENCH_DEBUG
+#define PICOBENCH_IMPLEMENT_WITH_MAIN
+#include "codspeed_picobench_compat/picobench.hpp"
+
+#include <vector>
+#include <deque>
+#include <cstdlib>
+
+void rand_vector(picobench::state& s)
+{
+    std::vector<int> v;
+    for (auto _ : s)
+    {
+        v.push_back(rand());
+    }
+}
+PICOBENCH(rand_vector);
+
+void rand_vector_reserve(picobench::state& s)
+{
+    std::vector<int> v;
+    v.reserve(s.iterations());
+    for (auto _ : s)
+    {
+        v.push_back(rand());
+    }
+}
+PICOBENCH(rand_vector_reserve);
+
+void rand_deque(picobench::state& s)
+{
+    std::deque<int> v;
+    for (auto _ : s)
+    {
+        v.push_back(rand());
+    }
+}
+PICOBENCH(rand_deque);

google_benchmark/include/codspeed_picobench_compat/picobench.hpp

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+#ifndef CODSPEED_PICOBENCH_COMPAT_HPP_INCLUDED
+#define CODSPEED_PICOBENCH_COMPAT_HPP_INCLUDED
+
+#include "picobench/picobench.hpp"
+#include <iostream>
+
+// Undefine the original PICOBENCH macro
+// #undef PICOBENCH
+
+// Define a new PICOBENCH macro that wraps the original functionality
+#define PICOBENCH2(func) \
+    do { \
+        std::cout << "Registering benchmark for " << #func << std::endl; \
+        static auto& I_PICOBENCH_PP_CAT(picobench, PICOBENCH_UNIQUE_SYM_SUFFIX) = \
+            PICOBENCH_NAMESPACE::global_registry::new_benchmark(#func, func); \
+    } while (0)
+
+#endif // CODSPEED_PICOBENCH_COMPAT_HPP_INCLUDED