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FileBenchmark.hpp
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FileBenchmark.hpp
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#ifndef FILE_BENCHMARK_HPP
#define FILE_BENCHMARK_HPP
#include "Benchmark.hpp"
#include "SuccinctFile.hpp"
class FileBenchmark : public Benchmark {
private:
void generate_randoms() {
count_t q_cnt = WARMUP_N + COOLDOWN_N + MEASURE_N;
for(count_t i = 0; i < q_cnt; i++) {
randoms.push_back(rand() % fd->original_size());
}
}
void read_queries(std::string filename) {
std::ifstream inputfile(filename);
if(!inputfile.is_open()) {
fprintf(stderr, "Error: Query file [%s] may be missing.\n",
filename.c_str());
return;
}
std::string line, bin, query;
while (getline(inputfile, line)) {
// Extract key and value
int split_index = line.find_first_of('\t');
bin = line.substr(0, split_index);
query = line.substr(split_index + 1);
queries.push_back(query);
}
inputfile.close();
}
public:
FileBenchmark(SuccinctFile *fd, std::string queryfile = "") : Benchmark() {
this->fd = fd;
generate_randoms();
if(queryfile != "") {
read_queries(queryfile);
}
}
void benchmark_idx_fn(uint64_t (SuccinctFile::*f)(uint64_t), std::string res_path) {
time_t t0, t1, tdiff;
uint64_t res;
count_t sum;
std::ofstream res_stream(res_path);
// Warmup
sum = 0;
fprintf(stderr, "Warming up for %lu queries...\n", WARMUP_N);
for(uint64_t i = 0; i < WARMUP_N; i++) {
res = (fd->*f)(randoms[i]);
sum = (sum + res) % fd->original_size();
}
fprintf(stderr, "Warmup chksum = %lu\n", sum);
fprintf(stderr, "Warmup complete.\n");
// Measure
sum = 0;
fprintf(stderr, "Measuring for %lu queries...\n", MEASURE_N);
for(uint64_t i = WARMUP_N; i < WARMUP_N + MEASURE_N; i++) {
t0 = rdtsc();
res = (fd->*f)(randoms[i]);
t1 = rdtsc();
tdiff = t1 - t0;
res_stream << randoms[i] << "\t" << res << "\t" << tdiff << "\n";
sum = (sum + res) % fd->original_size();
}
fprintf(stderr, "Measure chksum = %lu\n", sum);
fprintf(stderr, "Measure complete.\n");
// Cooldown
sum = 0;
fprintf(stderr, "Cooling down for %lu queries...\n", COOLDOWN_N);
for(uint64_t i = WARMUP_N + MEASURE_N; i < randoms.size(); i++) {
res = (fd->*f)(randoms[i]);
sum = (sum + res) % fd->original_size();
}
fprintf(stderr, "Cooldown chksum = %lu\n", sum);
fprintf(stderr, "Cooldown complete.\n");
res_stream.close();
}
void benchmark_count(std::string res_path) {
time_t t0, t1, tdiff;
uint64_t res;
count_t sum;
std::ofstream res_stream(res_path);
// Measure
sum = 0;
fprintf(stderr, "Measuring for %lu queries...\n", MEASURE_N);
for(uint64_t i = 0; i < queries.size(); i++) {
t0 = rdtsc();
res = fd->count(queries[i]);
t1 = rdtsc();
tdiff = t1 - t0;
res_stream << res << "\t" << tdiff << "\n";
sum = (sum + res) % fd->original_size();
}
fprintf(stderr, "Measure chksum = %lu\n", sum);
fprintf(stderr, "Measure complete.\n");
res_stream.close();
}
void benchmark_search(std::string res_path) {
time_t t0, t1, tdiff;
count_t sum;
std::ofstream res_stream(res_path);
// Measure
sum = 0;
fprintf(stderr, "Measuring for %lu queries...\n", MEASURE_N);
for(uint64_t i = 0; i < queries.size(); i++) {
std::vector<int64_t> res;
t0 = rdtsc();
fd->search(res, queries[i]);
t1 = rdtsc();
tdiff = t1 - t0;
res_stream << res.size() << "\t" << tdiff << "\n";
sum = (sum + res.size()) % fd->original_size();
}
fprintf(stderr, "Measure chksum = %lu\n", sum);
fprintf(stderr, "Measure complete.\n");
res_stream.close();
}
void benchmark_extract(std::string res_path) {
time_t t0, t1, tdiff;
count_t sum;
uint64_t extract_length = 64;
std::ofstream res_stream(res_path);
// Warmup
sum = 0;
fprintf(stderr, "Warming up for %lu queries...\n", WARMUP_N);
for(uint64_t i = 0; i < WARMUP_N; i++) {
std::string res;
fd->extract(res, randoms[i], extract_length);
sum = (sum + res.length()) % fd->original_size();
}
fprintf(stderr, "Warmup chksum = %lu\n", sum);
fprintf(stderr, "Warmup complete.\n");
// Measure
sum = 0;
fprintf(stderr, "Measuring for %lu queries...\n", MEASURE_N);
for(uint64_t i = WARMUP_N; i < WARMUP_N + MEASURE_N; i++) {
std::string res;
t0 = rdtsc();
fd->extract(res, randoms[i], extract_length);
t1 = rdtsc();
tdiff = t1 - t0;
res_stream << randoms[i] << "\t" << res << "\t" << tdiff << "\n";
sum = (sum + res.length()) % fd->original_size();
}
fprintf(stderr, "Measure chksum = %lu\n", sum);
fprintf(stderr, "Measure complete.\n");
// Cooldown
sum = 0;
fprintf(stderr, "Cooling down for %lu queries...\n", COOLDOWN_N);
for(uint64_t i = WARMUP_N + MEASURE_N; i < randoms.size(); i++) {
std::string res;
fd->extract(res, randoms[i], extract_length);
sum = (sum + res.length()) % fd->original_size();
}
fprintf(stderr, "Cooldown chksum = %lu\n", sum);
fprintf(stderr, "Cooldown complete.\n");
res_stream.close();
}
void benchmark_core() {
fprintf(stderr, "Benchmarking Core Functions...\n\n");
fprintf(stderr, "Benchmarking lookupNPA...\n");
benchmark_idx_fn(&SuccinctFile::lookupNPA, fd->name() + ".res_npa");
fprintf(stderr, "Done!\n\n");
fprintf(stderr, "Benchmarking lookupSA...\n");
benchmark_idx_fn(&SuccinctFile::lookupSA, fd->name() + ".res_sa");
fprintf(stderr, "Done!\n\n");
fprintf(stderr, "Benchmarking lookupISA...\n");
benchmark_idx_fn(&SuccinctFile::lookupISA, fd->name() + ".res_isa");
fprintf(stderr, "Done!\n\n");
}
void benchmark_file() {
fprintf(stderr, "Benchmarking File Functions...\n\n");
fprintf(stderr, "Benchmarking extract...\n");
benchmark_extract(fd->name() + ".res_extract");
fprintf(stderr, "Done!\n\n");
if(queries.size() == 0) {
fprintf(stderr, "[WARNING]: No queries have been loaded.\n");
fprintf(stderr, "[WARNING]: Skipping count and search benchmarks.\n");
} else {
fprintf(stderr, "Benchmarking count...\n");
benchmark_count(fd->name() + ".res_count");
fprintf(stderr, "Done!\n\n");
fprintf(stderr, "Benchmarking search...\n");
benchmark_search(fd->name() + ".res_search");
fprintf(stderr, "Done!\n\n");
}
}
private:
std::vector<uint64_t> randoms;
std::vector<std::string> queries;
SuccinctFile *fd;
};
#endif