59 lines
1.9 KiB
C++
59 lines
1.9 KiB
C++
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// Copyright 2022 The Pigweed Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not
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// use this file except in compliance with the License. You may obtain a copy of
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// the License at
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//
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// https://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, WITHOUT
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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// License for the specific language governing permissions and limitations under
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// the License.
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#include <cstdint>
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#include <string_view>
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#include "pw_bytes/array.h"
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#include "pw_checksum/crc32.h"
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#include "pw_perf_test/perf_test.h"
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#include "pw_span/span.h"
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namespace pw::checksum {
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namespace {
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constexpr std::string_view kString =
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"In the beginning the Universe was created. This has made a lot of "
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"people very angry and been widely regarded as a bad move.";
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constexpr auto kBytes = bytes::Array<1, 2, 3, 4, 5, 6, 7, 8, 9>();
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void Crc32OneBitTest(perf_test::State& state, span<const std::byte> data) {
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while (state.KeepRunning()) {
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Crc32OneBit::Calculate(data);
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}
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}
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void Crc32FourBitTest(perf_test::State& state, span<const std::byte> data) {
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while (state.KeepRunning()) {
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Crc32FourBit::Calculate(data);
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}
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}
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void Crc32EightBitTest(perf_test::State& state, span<const std::byte> data) {
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while (state.KeepRunning()) {
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Crc32EightBit::Calculate(data);
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}
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}
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PW_PERF_TEST(CrcOneBitStringTest, Crc32OneBitTest, as_bytes(span(kString)));
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PW_PERF_TEST(CrcFourBitStringTest, Crc32FourBitTest, as_bytes(span(kString)));
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PW_PERF_TEST(CrcEightBitStringTest, Crc32EightBitTest, as_bytes(span(kString)));
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PW_PERF_TEST(CrcOneBitBytesTest, Crc32OneBitTest, kBytes);
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PW_PERF_TEST(CrcFourBitBytesTest, Crc32FourBitTest, kBytes);
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PW_PERF_TEST(CrcEightBitBytesTest, Crc32EightBitTest, kBytes);
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} // namespace
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} // namespace pw::checksum
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