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72efc26439
Avoid use of the expensive mod operator (%) when calculating the buffer offset. No functional difference. Co-authored-by: Hennadii Stepanov <32963518+hebasto@users.noreply.github.com>
32 lines
836 B
C++
32 lines
836 B
C++
// Copyright (c) 2023 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <bench/bench.h>
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#include <util/fs.h>
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#include <streams.h>
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static void FindByte(benchmark::Bench& bench)
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{
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// Setup
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FILE* file = fsbridge::fopen("streams_tmp", "w+b");
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const size_t file_size = 200;
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uint8_t data[file_size] = {0};
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data[file_size-1] = 1;
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fwrite(&data, sizeof(uint8_t), file_size, file);
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rewind(file);
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CBufferedFile bf(file, /*nBufSize=*/file_size + 1, /*nRewindIn=*/file_size, 0, 0);
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bench.run([&] {
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bf.SetPos(0);
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bf.FindByte(std::byte(1));
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});
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// Cleanup
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bf.fclose();
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fs::remove("streams_tmp");
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}
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BENCHMARK(FindByte, benchmark::PriorityLevel::HIGH);
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