include benchmarks

Author: wusatosi

CMakeLists.txt

@@ -27,6 +27,13 @@ option(
     ${PROJECT_IS_TOP_LEVEL}
 )
 
+# [CMAKE.SKIP_TESTS]
+option(
+    BEMAN_INPLACE_VECTOR_BUILD_BENCHMARKS
+    "Enable building benchmarks. Default: ON. Values: { ON, OFF }."
+    ${PROJECT_IS_TOP_LEVEL}
+)
+
 include(GNUInstallDirs)
 
 add_library(beman.inplace_vector INTERFACE)
@@ -65,3 +72,7 @@ endif()
 if(BEMAN_EXEMPLAR_BUILD_EXAMPLES)
     add_subdirectory(examples)
 endif()
+
+if(BEMAN_INPLACE_VECTOR_BUILD_BENCHMARKS)
+    add_subdirectory(benchmarks)
+endif()

benchmarks/CMakeLists.txt

@@ -0,0 +1,19 @@
+include(FetchContent)
+
+# Fetch Google benchmark
+FetchContent_Declare(
+    benchmark
+    GIT_REPOSITORY https://github.com/google/benchmark.git
+    GIT_TAG
+        c58e6d0710581e3a08d65c349664128a8d9a2461 # v1.9.1
+    EXCLUDE_FROM_ALL
+)
+
+set(BENCHMARK_ENABLE_GTEST_TESTS OFF)
+FetchContent_MakeAvailable(benchmark)
+
+add_executable(beman.inplace_vector.benchmark.push_back pushback_benchmark.cpp)
+target_link_libraries(
+    beman.inplace_vector.benchmark.push_back
+    PRIVATE beman.inplace_vector benchmark::benchmark
+)

benchmarks/pushback_benchmark.cpp

@@ -0,0 +1,42 @@
+#include "beman/inplace_vector/inplace_vector.hpp"
+#include <benchmark/benchmark.h>
+#include <cstddef>
+#include <vector>
+
+using beman::inplace_vector;
+
+template <std::size_t Capacity>
+void InplaceVectorPushback(benchmark::State &state) {
+  for (auto _ : state) {
+    using IV = inplace_vector<int, Capacity>;
+
+    IV v;
+    for (typename IV::size_type i = 0; i < Capacity; ++i)
+      v.push_back(i);
+    benchmark::DoNotOptimize(v);
+  }
+}
+
+template <std::size_t Capacity> void VetorPushback(benchmark::State &state) {
+  for (auto _ : state) {
+    using IV = std::vector<int>;
+
+    IV v;
+    v.reserve(Capacity);
+    for (typename IV::size_type i = 0; i < Capacity; ++i)
+      v.push_back(i);
+    benchmark::DoNotOptimize(v);
+  }
+}
+
+BENCHMARK_TEMPLATE(InplaceVectorPushback, 128);
+BENCHMARK_TEMPLATE(InplaceVectorPushback, 256);
+BENCHMARK_TEMPLATE(InplaceVectorPushback, 512);
+BENCHMARK_TEMPLATE(InplaceVectorPushback, 1024);
+
+BENCHMARK_TEMPLATE(VetorPushback, 128);
+BENCHMARK_TEMPLATE(VetorPushback, 256);
+BENCHMARK_TEMPLATE(VetorPushback, 512);
+BENCHMARK_TEMPLATE(VetorPushback, 1024);
+
+BENCHMARK_MAIN();