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https://github.com/martinus/unordered_dense.git
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39f9a06655
* Update wrap files * Ignore clang's warning in doctest: <ciso646> is not a standard header since C++20, use <version> to detect implementation-specific macros" [-Werror,-W#warnings] Make sure app/doctest.h is used everywhere instead of directly including the header, so the warning is disabled everywhere
54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
#include <ankerl/unordered_dense.h> // for map
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#include <app/doctest.h> // for TestCase, skip, TEST_CASE, test_...
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#include <third-party/nanobench.h> // for Rng, doNotOptimizeAway, Bench
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#include <fmt/core.h> // for format
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#include <cstddef> // for size_t
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#include <cstdint> // for uint64_t
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#include <string_view> // for string_view
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#include <unordered_map> // for unordered_map, swap
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#include <utility> // for swap
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namespace {
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template <typename Map>
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void bench(std::string_view name) {
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Map a;
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Map b;
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ankerl::nanobench::Rng rng(123);
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ankerl::nanobench::Bench bench;
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for (size_t j = 0; j < 10000; ++j) {
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a[rng()];
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b[rng()];
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}
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bench.run(fmt::format("swap {}", name), [&] {
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std::swap(a, b);
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});
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ankerl::nanobench::doNotOptimizeAway(&a);
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ankerl::nanobench::doNotOptimizeAway(&b);
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}
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} // namespace
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#if 0
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TEST_CASE("bench_swap_rhn" * doctest::test_suite("bench") * doctest::skip()) {
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bench<robin_hood::unordered_node_map<uint64_t, uint64_t>>("robin_hood::unordered_node_map");
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}
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TEST_CASE("bench_swap_rhf" * doctest::test_suite("bench") * doctest::skip()) {
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bench<robin_hood::unordered_flat_map<uint64_t, uint64_t>>("robin_hood::unordered_flat_map");
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}
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#endif
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TEST_CASE("bench_swap_std" * doctest::test_suite("bench") * doctest::skip()) {
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bench<std::unordered_map<uint64_t, uint64_t>>("std::unordered_map");
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}
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TEST_CASE("bench_swap_udm" * doctest::test_suite("bench") * doctest::skip()) {
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bench<ankerl::unordered_dense::map<uint64_t, uint64_t>>("ankerl::unordered_dense::map");
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}
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