ChaosBenches: Add Md4HasherCreateComputeDeleteBench

CMakeLists.txt

@@ -15,3 +15,4 @@ target_include_directories(Chaos INTERFACE
 )
 
 add_subdirectory(ChaosTests)
+add_subdirectory(ChaosBenches)

ChaosBenches/CMakeLists.txt

@@ -0,0 +1,21 @@
+include(FetchContent)
+
+cmake_policy(SET CMP0135 NEW)
+
+FetchContent_Declare(
+        googlebenchmark
+        URL https://github.com/google/benchmark/archive/refs/tags/v1.9.5.tar.gz
+        URL_HASH SHA256=9631341c82bac4a288bef951f8b26b41f69021794184ece969f8473977eaa340
+)
+
+set(BENCHMARK_ENABLE_WERROR OFF CACHE BOOL "" FORCE)
+set(BENCHMARK_ENABLE_TESTING OFF CACHE BOOL "" FORCE)
+FetchContent_MakeAvailable(googlebenchmark)
+
+set(ChaosBenches_SOURCE Hash/Md4HasherBenches.cpp)
+
+add_executable(ChaosBenches ${ChaosBenches_SOURCE})
+target_link_libraries(ChaosBenches benchmark::benchmark)
+target_include_directories(ChaosBenches PRIVATE
+    $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/Chaos>
+)

ChaosBenches/Hash/Md4HasherBenches.cpp

@@ -0,0 +1,30 @@
+#include <benchmark/benchmark.h>
+
+#include <Hash/Md4.hpp>
+
+using namespace Chaos::Hash::Md4;
+
+static void Md4HasherCreateComputeDeleteBench(benchmark::State & state)
+{
+    const char * data
+        = "All states, all powers, that have held and hold rule over men have been and are either republics or principalities.\n"
+          "Principalities are either hereditary, in which the family has been long established; or they are new.\n"
+          "The new are either entirely new, as was Milan to Francesco Sforza, or they are, as it were, members annexed to the hereditary state of the "
+          "prince who has acquired them, as was the kingdom of Naples to that of the King of Spain.\n"
+          "Such dominions thus acquired are either accustomed to live under a prince, or to live in freedom; and are acquired either by the arms of the "
+          "prince himself, or of others, or else by fortune or by ability.";
+    const size_t dataLen = strlen(data);
+
+    for (auto _ : state)
+    {
+        Md4Hasher hasher;
+        hasher.Update(data, data + dataLen);
+        Md4Hash result = hasher.Finish();
+
+        benchmark::DoNotOptimize(result);
+    }
+}
+
+BENCHMARK(Md4HasherCreateComputeDeleteBench);
+
+BENCHMARK_MAIN();