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104 lines
2.7 KiB
C++
104 lines
2.7 KiB
C++
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2021 Software Radio Systems Limited
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*
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the distribution.
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*
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*/
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#include "srsran/adt/pool/cached_alloc.h"
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#include "srsran/common/test_common.h"
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#include <chrono>
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void test_cached_deque_basic_operations()
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{
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srsran::deque<int> my_deque;
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TESTASSERT(my_deque.empty() and my_deque.size() == 0);
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my_deque.push_front(0);
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my_deque.push_back(1);
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TESTASSERT(my_deque.front() == 0 and my_deque.back() == 1);
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TESTASSERT(my_deque.size() == 2);
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srsran::deque<int> my_deque2(my_deque);
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TESTASSERT(my_deque == my_deque2);
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my_deque.clear();
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TESTASSERT(my_deque != my_deque2);
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TESTASSERT(my_deque2.size() == 2 and my_deque2.back() == 1);
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TESTASSERT(my_deque.empty());
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my_deque = my_deque2;
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TESTASSERT(my_deque == my_deque2);
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my_deque2.clear();
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TESTASSERT(my_deque2.empty());
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my_deque2 = std::move(my_deque);
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TESTASSERT(my_deque.empty() and my_deque2.size() == 2);
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}
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struct C {
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C() = default;
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C(C&&) noexcept = default;
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C(const C&) = delete;
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C& operator=(C&&) noexcept = default;
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C& operator=(const C&) = delete;
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bool operator==(const C& other) { return true; }
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};
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void test_cached_queue_basic_operations()
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{
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srsran::queue<C> my_queue;
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TESTASSERT(my_queue.empty());
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my_queue.push(C{});
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TESTASSERT(my_queue.size() == 1);
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srsran::queue<C> my_queue2(std::move(my_queue));
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TESTASSERT(my_queue2.size() == 1);
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}
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void cached_deque_benchmark()
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{
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using std::chrono::high_resolution_clock;
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using std::chrono::microseconds;
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srsran::queue<int> my_deque;
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std::queue<int> std_deque;
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high_resolution_clock::time_point tp;
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size_t N = 10000000, n_elems = 10;
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for (size_t i = 0; i < n_elems; ++i) {
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my_deque.push(i);
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std_deque.push(i);
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}
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// NOTE: this benchmark doesnt account for when memory is fragmented
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tp = high_resolution_clock::now();
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for (size_t i = n_elems; i < N; ++i) {
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std_deque.push(i);
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std_deque.pop();
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}
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microseconds t_std = std::chrono::duration_cast<microseconds>(high_resolution_clock::now() - tp);
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tp = high_resolution_clock::now();
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for (size_t i = n_elems; i < N; ++i) {
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my_deque.push(i);
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my_deque.pop();
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}
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microseconds t_cached = std::chrono::duration_cast<microseconds>(high_resolution_clock::now() - tp);
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fmt::print("Time elapsed: cached alloc={} usec, std alloc={} usec\n", t_cached.count(), t_std.count());
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fmt::print("queue sizes: {} {}\n", my_deque.size(), std_deque.size());
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}
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int main()
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{
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test_cached_deque_basic_operations();
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test_cached_queue_basic_operations();
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cached_deque_benchmark();
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return 0;
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} |