38a54df863
People keep tripping over the old copyrights and copy-pasting them to new files. Search and replace "Cloudius Systems" with "ScyllaDB". Message-Id: <1460013664-25966-1-git-send-email-penberg@scylladb.com>
58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
/*
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* Copyright (C) 2015 ScyllaDB
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*/
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/*
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* This file is part of Scylla.
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*
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* Scylla is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Scylla is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "utils/murmur_hash.hh"
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#include "tests/perf/perf.hh"
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#include "disk-error-handler.hh"
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thread_local disk_error_signal_type commit_error;
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thread_local disk_error_signal_type general_disk_error;
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volatile uint64_t black_hole;
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int main(int argc, char* argv[]) {
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const uint64_t seed = 0;
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auto src = bytes("0123412308129301923019283056789012345");
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uint64_t sink = 0;
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std::cout << "Timing fixed hash...\n";
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time_it([&] {
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std::array<uint64_t,2> dst;
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utils::murmur_hash::hash3_x64_128(src, seed, dst);
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sink += dst[0];
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sink += dst[1];
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});
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std::cout << "Timing iterator hash...\n";
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time_it([&] {
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std::array<uint64_t,2> dst;
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utils::murmur_hash::hash3_x64_128(src.begin(), src.size(), seed, dst);
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sink += dst[0];
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sink += dst[1];
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});
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black_hole = sink;
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}
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