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// Copyright (c) 2018-2020 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <bench/bench.h>
#include <blockfilter.h>
static const GCSFilter::ElementSet GenerateGCSTestElements()
{
GCSFilter::ElementSet elements;
// Testing the benchmarks with different number of elements show that a filter
// with at least 100,000 elements results in benchmarks that have the same
// ns/op. This makes it easy to reason about how long (in nanoseconds) a single
// filter element takes to process.
for (int i = 0; i < 100000; ++i) {
GCSFilter::Element element(32);
element[0] = static_cast<unsigned char>(i);
element[1] = static_cast<unsigned char>(i >> 8);
elements.insert(std::move(element));
}
return elements;
}
static void GCSBlockFilterGetHash(benchmark::Bench& bench)
{
auto elements = GenerateGCSTestElements();
GCSFilter filter({0, 0, BASIC_FILTER_P, BASIC_FILTER_M}, elements);
BlockFilter block_filter(BlockFilterType::BASIC, {}, filter.GetEncoded(), /*skip_decode_check=*/false);
bench.run([&] {
block_filter.GetHash();
});
}
static void GCSFilterConstruct(benchmark::Bench& bench)
{
auto elements = GenerateGCSTestElements();
uint64_t siphash_k0 = 0;
bench.run([&]{
GCSFilter filter({siphash_k0, 0, BASIC_FILTER_P, BASIC_FILTER_M}, elements);
siphash_k0++;
});
}
static void GCSFilterDecode(benchmark::Bench& bench)
{
auto elements = GenerateGCSTestElements();
GCSFilter filter({0, 0, BASIC_FILTER_P, BASIC_FILTER_M}, elements);
auto encoded = filter.GetEncoded();
bench.run([&] {
GCSFilter filter({0, 0, BASIC_FILTER_P, BASIC_FILTER_M}, encoded, /*skip_decode_check=*/false);
});
}
static void GCSFilterDecodeSkipCheck(benchmark::Bench& bench)
{
auto elements = GenerateGCSTestElements();
GCSFilter filter({0, 0, BASIC_FILTER_P, BASIC_FILTER_M}, elements);
auto encoded = filter.GetEncoded();
bench.run([&] {
GCSFilter filter({0, 0, BASIC_FILTER_P, BASIC_FILTER_M}, encoded, /*skip_decode_check=*/true);
});
}
static void GCSFilterMatch(benchmark::Bench& bench)
{
auto elements = GenerateGCSTestElements();
GCSFilter filter({0, 0, BASIC_FILTER_P, BASIC_FILTER_M}, elements);
bench.run([&] {
filter.Match(GCSFilter::Element());
});
}
BENCHMARK(GCSBlockFilterGetHash);
BENCHMARK(GCSFilterConstruct);
BENCHMARK(GCSFilterDecode);
BENCHMARK(GCSFilterDecodeSkipCheck);
BENCHMARK(GCSFilterMatch);
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