137 lines
4.4 KiB
C++
137 lines
4.4 KiB
C++
// Copyright ⓒ 2018-2021 ThePhD.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// See https://github.com/ThePhD/out_ptr/blob/master/docs/out_ptr.adoc for documentation.
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#include <benchmarks/statistics.hpp>
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#include <benchmark/benchmark.h>
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#define ZTD_OUT_PTR_HAS_FRIENDLY_UNIQUE_PTR 1
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#include <benchmarks/out_ptr/friendly_unique_ptr.hpp>
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#include <ztd/out_ptr/inout_ptr.hpp>
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#include <benchmarks/out_ptr/friendly_inout_ptr.hpp>
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#include <ficapi/ficapi.hpp>
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#include <memory>
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#include <cstdlib>
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static void c_code_local_inout_ptr(benchmark::State& state) {
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int64_t x = 0;
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for (auto _ : state) {
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(void)_;
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ficapi_opaque_handle p = NULL;
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ficapi_handle_no_alloc_re_create(&p);
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x += ficapi_handle_get_data(p);
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ficapi_handle_no_alloc_delete(p);
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}
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int64_t expected = int64_t(state.iterations()) * ficapi_get_data();
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if (x != expected) {
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state.SkipWithError("Unexpected result");
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return;
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}
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}
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BENCHMARK(c_code_local_inout_ptr)
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->ComputeStatistics("max", &compute_max)
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->ComputeStatistics("min", &compute_min)
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->ComputeStatistics("dispersion", &compute_index_of_dispersion);
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static void manual_local_inout_ptr(benchmark::State& state) {
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int64_t x = 0;
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for (auto _ : state) {
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(void)_;
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std::unique_ptr<ficapi::opaque, ficapi::handle_no_alloc_deleter> p(nullptr);
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ficapi_opaque_handle temp_p = NULL;
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ficapi_handle_no_alloc_re_create(&temp_p);
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p.reset(temp_p);
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x += ficapi_handle_get_data(p.get());
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}
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int64_t expected = int64_t(state.iterations()) * ficapi_get_data();
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if (x != expected) {
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state.SkipWithError("Unexpected result");
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return;
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}
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}
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BENCHMARK(manual_local_inout_ptr)
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->ComputeStatistics("max", &compute_max)
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->ComputeStatistics("min", &compute_min)
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->ComputeStatistics("dispersion", &compute_index_of_dispersion);
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static void simple_local_inout_ptr(benchmark::State& state) {
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int64_t x = 0;
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for (auto _ : state) {
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(void)_;
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std::unique_ptr<ficapi::opaque, ficapi::handle_no_alloc_deleter> p(nullptr);
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ficapi_handle_no_alloc_re_create(ztd::out_ptr::op_detail::simple_inout_ptr(p));
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x += ficapi_handle_get_data(p.get());
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}
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int64_t expected = int64_t(state.iterations()) * ficapi_get_data();
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if (x != expected) {
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state.SkipWithError("Unexpected result");
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return;
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}
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}
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BENCHMARK(simple_local_inout_ptr)
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->ComputeStatistics("max", &compute_max)
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->ComputeStatistics("min", &compute_min)
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->ComputeStatistics("dispersion", &compute_index_of_dispersion);
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static void clever_local_inout_ptr(benchmark::State& state) {
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int64_t x = 0;
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for (auto _ : state) {
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(void)_;
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std::unique_ptr<ficapi::opaque, ficapi::handle_no_alloc_deleter> p(nullptr);
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ficapi_handle_no_alloc_re_create(ztd::out_ptr::op_detail::clever_inout_ptr(p));
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x += ficapi_handle_get_data(p.get());
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}
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int64_t expected = int64_t(state.iterations()) * ficapi_get_data();
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if (x != expected) {
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state.SkipWithError("Unexpected result");
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return;
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}
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}
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BENCHMARK(clever_local_inout_ptr)
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->ComputeStatistics("max", &compute_max)
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->ComputeStatistics("min", &compute_min)
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->ComputeStatistics("dispersion", &compute_index_of_dispersion);
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#if defined(ZTD_OUT_PTR_HAS_FRIENDLY_UNIQUE_PTR) && ZTD_OUT_PTR_HAS_FRIENDLY_UNIQUE_PTR != 0
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static void friendly_local_inout_ptr(benchmark::State& state) {
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int64_t x = 0;
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for (auto _ : state) {
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(void)_;
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std::friendly_unique_ptr<ficapi::opaque, ficapi::handle_no_alloc_deleter> p(nullptr);
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ficapi_handle_no_alloc_re_create(ztd::out_ptr::friendly_inout_ptr(p));
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x += ficapi_handle_get_data(p.get());
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}
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int64_t expected = int64_t(state.iterations()) * ficapi_get_data();
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if (x != expected) {
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state.SkipWithError("Unexpected result");
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return;
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}
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}
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BENCHMARK(friendly_local_inout_ptr)
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->ComputeStatistics("max", &compute_max)
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->ComputeStatistics("min", &compute_min)
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->ComputeStatistics("dispersion", &compute_index_of_dispersion);
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#endif // OUT_PTR_HAS_FRIENDLY_UNIQUE_PTR
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