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/*
*
*/
#define ENABLE_TIMER
#include <fstream>
#include <sstream>
#include "framework/DynamicExtension.h"
#include "shard/LoudsPatricia.h"
#include "query/pointlookup.h"
#include "framework/interface/Record.h"
#include "psu-util/timer.h"
#include "psu-util/progress.h"
typedef de::Record<const char *, uint64_t> Rec;
typedef de::LoudsPatricia<Rec> Trie;
typedef de::pl::Query<Rec, Trie> Q;
typedef de::DynamicExtension<Rec, Trie, Q, de::LayoutPolicy::TEIRING, de::DeletePolicy::TAGGING, de::SerialScheduler> Ext;
std::vector<std::unique_ptr<char[]>> strings;
void insert_thread(int64_t start, int64_t end, Ext *extension) {
for (uint64_t i=start; i<end; i++) {
Rec r = {strings[i].get(), i, strlen(strings[i].get())};
while (!extension->insert(r)) {
_mm_pause();
}
}
}
void read_data(std::string fname, size_t n=10000000) {
strings.reserve(n);
std::fstream file;
file.open(fname, std::ios::in);
size_t i=0;
std::string line;
while (i < n && std::getline(file, line, '\n')) {
strings.emplace_back(std::unique_ptr<char[]>(strdup(line.c_str())));
i++;
psudb::progress_update((double) i / (double) n, "Reading file:");
}
}
void usage(char *name) {
fprintf(stderr, "Usage:\n%s datafile record_count\n", name);
}
int main(int argc, char **argv) {
if (argc < 3) {
usage(argv[0]);
exit(EXIT_FAILURE);
}
std::string fname = std::string(argv[1]);
size_t n = atol(argv[2]);
read_data(fname, n);
if (strings.size() == 0) {
fprintf(stderr, "[E]: No string data read from file. Aborting execution.\n");
} else {
fprintf(stderr, "Finished reading from file.\n");
}
std::vector<size_t> scale_factors = {2, 4, 6, 8, 10, 12};
std::vector<size_t> buffer_sizes = {1000, 2000, 5000, 10000, 12000, 15000};
for (auto &sf : scale_factors) {
for (auto &bf_sz : buffer_sizes) {
auto extension = new Ext(bf_sz, bf_sz, sf);
TIMER_INIT();
TIMER_START();
insert_thread(0, strings.size(), extension);
TIMER_STOP();
auto total_time = TIMER_RESULT();
size_t m = 100;
TIMER_START();
for (size_t i=0; i<m; i++) {
size_t j = rand() % strings.size();
de::pl::Parms<Rec> parms = {strings[j].get()};
auto res = extension->query(&parms);
auto ans = res.get();
}
TIMER_STOP();
auto query_time = TIMER_RESULT();
double i_tput = (double) n / (double) total_time * 1e9;
size_t q_lat = query_time / m;
fprintf(stdout, "%ld\t%ld\t%ld\t%lf\t%ld\t%ld\n", extension->get_record_count(),
bf_sz, sf, i_tput, q_lat, extension->get_memory_usage());
delete extension;
fflush(stderr);
}
}
}
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