102 lines
3.2 KiB
C++
102 lines
3.2 KiB
C++
#include <string>
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#include <tr1/unordered_map>
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#include "bm_common.h"
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#include "mph_map.h"
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using cxxmph::mph_map;
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using std::string;
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using std::unordered_map;
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namespace cxxmph {
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template<class MapType, class T>
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const T* myfind(const MapType& mymap, const T& k) {
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auto it = mymap.find(k);
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auto end = mymap.end();
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if (it == end) return NULL;
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return &it->second;
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}
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template <class MapType>
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class BM_CreateUrls : public UrlsBenchmark {
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public:
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BM_CreateUrls(const string& urls_file) : UrlsBenchmark(urls_file) { }
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virtual void Run() {
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MapType mymap;
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for (auto it = urls_.begin(); it != urls_.end(); ++it) {
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mymap[*it] = *it;
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}
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}
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};
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template <class MapType>
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class BM_SearchUrls : public SearchUrlsBenchmark {
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public:
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BM_SearchUrls(const std::string& urls_file, int nsearches, float miss_ratio)
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: SearchUrlsBenchmark(urls_file, nsearches, miss_ratio) { }
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virtual void Run() {
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for (auto it = random_.begin(); it != random_.end(); ++it) {
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auto v = myfind(mymap_, *it);
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assert(it->ends_with(".force_miss") ^ v != NULL);
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assert(!v || *v == *it);
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}
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}
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protected:
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virtual bool SetUp() {
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if (!SearchUrlsBenchmark::SetUp()) return false;
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for (auto it = urls_.begin(); it != urls_.end(); ++it) {
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mymap_[*it] = *it;
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}
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mymap_.rehash(mymap_.bucket_count());
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fprintf(stderr, "Occupation: %f\n", static_cast<float>(mymap_.size())/mymap_.bucket_count());
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return true;
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}
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MapType mymap_;
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};
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template <class MapType>
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class BM_SearchUint64 : public SearchUint64Benchmark {
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public:
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BM_SearchUint64() : SearchUint64Benchmark(100000, 10*1000*1000) { }
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virtual bool SetUp() {
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if (!SearchUint64Benchmark::SetUp()) return false;
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for (int i = 0; i < values_.size(); ++i) {
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mymap_[values_[i]] = values_[i];
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}
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mymap_.rehash(mymap_.bucket_count());
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// Double check if everything is all right
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for (int i = 0; i < values_.size(); ++i) {
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if (mymap_[values_[i]] != values_[i]) return false;
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}
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return true;
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}
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virtual void Run() {
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for (auto it = random_.begin(); it != random_.end(); ++it) {
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auto v = myfind(mymap_, *it);
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if (*v != *it) {
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fprintf(stderr, "Looked for %lu got %lu\n", *it, *v);
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exit(-1);
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}
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}
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}
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MapType mymap_;
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};
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} // namespace cxxmph
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using namespace cxxmph;
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int main(int argc, char** argv) {
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srandom(4);
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Benchmark::Register(new BM_CreateUrls<mph_map<StringPiece, StringPiece>>("URLS100k"));
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Benchmark::Register(new BM_CreateUrls<unordered_map<StringPiece, StringPiece>>("URLS100k"));
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Benchmark::Register(new BM_SearchUrls<mph_map<StringPiece, StringPiece>>("URLS100k", 10*1000 * 1000, 0));
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Benchmark::Register(new BM_SearchUrls<unordered_map<StringPiece, StringPiece, Murmur3StringPiece>>("URLS100k", 10*1000 * 1000, 0));
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Benchmark::Register(new BM_SearchUrls<mph_map<StringPiece, StringPiece>>("URLS100k", 10*1000 * 1000, 0.9));
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Benchmark::Register(new BM_SearchUrls<unordered_map<StringPiece, StringPiece, Murmur3StringPiece>>("URLS100k", 10*1000 * 1000, 0.9));
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Benchmark::Register(new BM_SearchUint64<mph_map<uint64_t, uint64_t>>);
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Benchmark::Register(new BM_SearchUint64<unordered_map<uint64_t, uint64_t>>);
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Benchmark::RunAll();
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}
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