#include <cstdlib>
#include <ctime>
#include <fstream>
#include <iostream>
#include <limits>
#include <string>
#include <utility>
#include <vector>
#include <marisa_alpha.h>
#include "./cmdopt.h"
namespace {
typedef std::pair<std::string, double> Key;
int param_min_num_tries = 1;
int param_max_num_tries = 10;
int param_trie = MARISA_ALPHA_DEFAULT_TRIE;
int param_tail = MARISA_ALPHA_DEFAULT_TAIL;
int param_order = MARISA_ALPHA_DEFAULT_ORDER;
bool predict_strs_flag = false;
bool speed_flag = true;
class Clock {
public:
Clock() : cl_(std::clock()) {}
void reset() {
cl_ = std::clock();
}
double elasped() const {
std::clock_t cur = std::clock();
return (cur == cl_) ? 0.01 : (1.0 * (cur - cl_) / CLOCKS_PER_SEC);
}
private:
std::clock_t cl_;
};
void print_help(const char *cmd) {
std::cerr << "Usage: " << cmd << " [OPTION]... [FILE]...\n\n"
"Options:\n"
" -N, --min-num-tries=[N] limits the number of tries to N"
" (default: 1)\n"
" -n, --max-num-tries=[N] limits the number of tries to N"
" (default: 10)\n"
" -P, --patricia-trie build patricia tries (default)\n"
" -p, --prefix-trie build prefix tries\n"
" -T, --text-tail build a dictionary with text TAIL (default)\n"
" -b, --binary-tail build a dictionary with binary TAIL\n"
" -t, --without-tail build a dictionary without TAIL\n"
" -w, --weight-order arrange siblings in weight order (default)\n"
" -l, --label-order arrange siblings in label order\n"
" -I, --predict-ids get key IDs in predictive searches (default)\n"
" -i, --predict-strs restore key strings in predictive searches\n"
" -S, --print-speed print speed [1000 keys/s] (default)\n"
" -s, --print-time print time [us/key]\n"
" -h, --help print this help\n"
<< std::endl;
}
void print_config() {
std::cout << "#tries: " << param_min_num_tries
<< " - " << param_max_num_tries << std::endl;
switch (param_trie) {
case MARISA_ALPHA_PATRICIA_TRIE: {
std::cout << "trie: patricia" << std::endl;
break;
}
case MARISA_ALPHA_PREFIX_TRIE: {
std::cout << "trie: prefix" << std::endl;
break;
}
}
switch (param_tail) {
case MARISA_ALPHA_WITHOUT_TAIL: {
std::cout << "tail: no" << std::endl;
break;
}
case MARISA_ALPHA_BINARY_TAIL: {
std::cout << "tail: binary" << std::endl;
break;
}
case MARISA_ALPHA_TEXT_TAIL: {
std::cout << "tail: text" << std::endl;
break;
}
}
switch (param_order) {
case MARISA_ALPHA_LABEL_ORDER: {
std::cout << "order: label" << std::endl;
break;
}
case MARISA_ALPHA_WEIGHT_ORDER: {
std::cout << "order: weight" << std::endl;
break;
}
}
if (predict_strs_flag) {
std::cout << "predict: both IDs and strings" << std::endl;
} else {
std::cout << "predict: only IDs" << std::endl;
}
}
void print_time_info(std::size_t num_keys, double elasped) {
if (speed_flag) {
if (elasped == 0.0) {
std::printf(" %7s", "-");
} else {
std::printf(" %7.2f", num_keys / elasped / 1000.0);
}
} else {
if (num_keys == 0) {
std::printf(" %7s", "-");
} else {
std::printf(" %7.3f", 1000000.0 * elasped / num_keys);
}
}
}
void read_keys(std::istream *input, std::vector<Key> *keys) {
Key key;
std::string line;
while (std::getline(*input, line)) {
const std::string::size_type delim_pos = line.find_last_of('\t');
if (delim_pos != line.npos) {
char *end_of_value;
key.second = std::strtod(&line[delim_pos + 1], &end_of_value);
if (*end_of_value == '\0') {
line.resize(delim_pos);
} else {
key.second = 1.0;
}
} else {
key.second = 1.0;
}
key.first = line;
keys->push_back(key);
}
}
int read_keys(const char * const *args, std::size_t num_args,
std::vector<Key> *keys) {
if (num_args == 0) {
read_keys(&std::cin, keys);
}
for (std::size_t i = 0; i < num_args; ++i) {
std::ifstream input_file(args[i], std::ios::binary);
if (!input_file) {
std::cerr << "error: failed to open a keyset file: "
<< args[i] << std::endl;
return 10;
}
read_keys(&input_file, keys);
}
std::cout << "#keys: " << keys->size() << std::endl;
std::size_t total_length = 0;
for (std::size_t i = 0; i < keys->size(); ++i) {
total_length += (*keys)[i].first.length();
}
std::cout << "total length: " << total_length << std::endl;
return 0;
}
void benchmark_build(const std::vector<Key> &keys, int num_tries,
marisa_alpha::Trie *trie, std::vector<marisa_alpha::UInt32> *key_ids) {
Clock cl;
trie->build(keys, key_ids, num_tries
| param_trie | param_tail | param_order);
std::printf(" %9lu", (unsigned long)trie->num_nodes());
std::printf(" %9lu", (unsigned long)trie->total_size());
print_time_info(keys.size(), cl.elasped());
}
void benchmark_restore(const marisa_alpha::Trie &trie,
const std::vector<Key> &keys,
const std::vector<marisa_alpha::UInt32> &key_ids) {
Clock cl;
std::string key;
for (std::size_t i = 0; i < key_ids.size(); ++i) {
key.clear();
trie.restore(key_ids[i], &key);
if (key != keys[i].first) {
std::cerr << "error: restore() failed" << std::endl;
return;
}
}
print_time_info(key_ids.size(), cl.elasped());
}
void benchmark_lookup(const marisa_alpha::Trie &trie,
const std::vector<Key> &keys,
const std::vector<marisa_alpha::UInt32> &key_ids) {
Clock cl;
for (std::size_t i = 0; i < keys.size(); ++i) {
const marisa_alpha::UInt32 key_id = trie.lookup(keys[i].first);
if (key_id != key_ids[i]) {
std::cerr << "error: lookup() failed" << std::endl;
return;
}
}
print_time_info(keys.size(), cl.elasped());
}
void benchmark_find(const marisa_alpha::Trie &trie,
const std::vector<Key> &keys,
const std::vector<marisa_alpha::UInt32> &key_ids) {
Clock cl;
std::vector<marisa_alpha::UInt32> found_key_ids;
for (std::size_t i = 0; i < keys.size(); ++i) {
found_key_ids.clear();
const std::size_t num_keys = trie.find(keys[i].first, &found_key_ids);
if ((num_keys == 0) || (found_key_ids.back() != key_ids[i])) {
std::cerr << "error: find() failed" << std::endl;
return;
}
}
print_time_info(keys.size(), cl.elasped());
}
void benchmark_predict_breadth_first(const marisa_alpha::Trie &trie,
const std::vector<Key> &keys,
const std::vector<marisa_alpha::UInt32> &key_ids) {
Clock cl;
std::vector<marisa_alpha::UInt32> found_key_ids;
std::vector<std::string> found_keys;
std::vector<std::string> *found_keys_ref =
predict_strs_flag ? &found_keys : NULL;
for (std::size_t i = 0; i < keys.size(); ++i) {
found_key_ids.clear();
found_keys.clear();
const std::size_t num_keys = trie.predict_breadth_first(
keys[i].first, &found_key_ids, found_keys_ref);
if ((num_keys == 0) || (found_key_ids.front() != key_ids[i])) {
std::cerr << "error: predict() failed" << std::endl;
return;
}
}
print_time_info(keys.size(), cl.elasped());
}
void benchmark_predict_depth_first(const marisa_alpha::Trie &trie,
const std::vector<Key> &keys,
const std::vector<marisa_alpha::UInt32> &key_ids) {
Clock cl;
std::vector<marisa_alpha::UInt32> found_key_ids;
std::vector<std::string> found_keys;
std::vector<std::string> *found_keys_ref =
predict_strs_flag ? &found_keys : NULL;
for (std::size_t i = 0; i < keys.size(); ++i) {
found_key_ids.clear();
found_keys.clear();
const std::size_t num_keys = trie.predict_depth_first(
keys[i].first, &found_key_ids, found_keys_ref);
if ((num_keys == 0) || (found_key_ids.front() != key_ids[i])) {
std::cerr << "error: predict() failed" << std::endl;
return;
}
}
print_time_info(keys.size(), cl.elasped());
}
void benchmark(const std::vector<Key> &keys, int num_tries) {
std::printf("%6d", num_tries);
marisa_alpha::Trie trie;
std::vector<marisa_alpha::UInt32> key_ids;
benchmark_build(keys, num_tries, &trie, &key_ids);
if (!trie.empty()) {
benchmark_restore(trie, keys, key_ids);
benchmark_lookup(trie, keys, key_ids);
benchmark_find(trie, keys, key_ids);
benchmark_predict_breadth_first(trie, keys, key_ids);
benchmark_predict_depth_first(trie, keys, key_ids);
}
std::printf("\n");
}
int benchmark(const char * const *args, std::size_t num_args) try {
std::vector<Key> keys;
const int ret = read_keys(args, num_args, &keys);
if (ret != 0) {
return ret;
}
std::printf("------+---------+---------+-------+"
"-------+-------+-------+-------+-------\n");
std::printf("%6s %9s %9s %7s %7s %7s %7s %7s %7s\n",
"#tries", "#nodes", "size",
"build", "restore", "lookup", "find", "predict", "predict");
std::printf("%6s %9s %9s %7s %7s %7s %7s %7s %7s\n",
"", "", "", "", "", "", "", "breadth", "depth");
if (speed_flag) {
std::printf("%6s %9s %9s %7s %7s %7s %7s %7s %7s\n",
"", "", "[bytes]",
"[K/s]", "[K/s]", "[K/s]", "[K/s]", "[K/s]", "[K/s]");
} else {
std::printf("%6s %9s %9s %7s %7s %7s %7s %7s %7s\n",
"", "", "[bytes]", "[us]", "[us]", "[us]", "[us]", "[us]", "[us]");
}
std::printf("------+---------+---------+-------+"
"-------+-------+-------+-------+-------\n");
for (int i = param_min_num_tries; i <= param_max_num_tries; ++i) {
benchmark(keys, i);
}
std::printf("------+---------+---------+-------+"
"-------+-------+-------+-------+-------\n");
return 0;
} catch (const marisa_alpha::Exception &ex) {
std::cerr << ex.filename() << ':' << ex.line()
<< ": " << ex.what() << std::endl;
return -1;
}
} // namespace
int main(int argc, char *argv[]) {
std::ios::sync_with_stdio(false);
::cmdopt_option long_options[] = {
{ "min-num-tries", 1, NULL, 'N' },
{ "max-num-tries", 1, NULL, 'n' },
{ "patricia-trie", 0, NULL, 'P' },
{ "prefix-trie", 0, NULL, 'p' },
{ "text-tail", 0, NULL, 'T' },
{ "binary-tail", 0, NULL, 'b' },
{ "without-tail", 0, NULL, 't' },
{ "weight-order", 0, NULL, 'w' },
{ "label-order", 0, NULL, 'l' },
{ "predict-ids", 0, NULL, 'I' },
{ "predict-strs", 0, NULL, 'i' },
{ "print-speed", 0, NULL, 'S' },
{ "print-time", 0, NULL, 's' },
{ "help", 0, NULL, 'h' },
{ NULL, 0, NULL, 0 }
};
::cmdopt_t cmdopt;
::cmdopt_init(&cmdopt, argc, argv, "N:n:PpTbtwlIiSsh", long_options);
int label;
while ((label = ::cmdopt_get(&cmdopt)) != -1) {
switch (label) {
case 'N': {
char *end_of_value;
const long value = std::strtol(cmdopt.optarg, &end_of_value, 10);
if ((*end_of_value != '\0') || (value <= 0) ||
(value > MARISA_ALPHA_MAX_NUM_TRIES)) {
std::cerr << "error: option `-n' with an invalid argument: "
<< cmdopt.optarg << std::endl;
}
param_min_num_tries = (int)value;
break;
}
case 'n': {
char *end_of_value;
const long value = std::strtol(cmdopt.optarg, &end_of_value, 10);
if ((*end_of_value != '\0') || (value <= 0) ||
(value > MARISA_ALPHA_MAX_NUM_TRIES)) {
std::cerr << "error: option `-n' with an invalid argument: "
<< cmdopt.optarg << std::endl;
}
param_max_num_tries = (int)value;
break;
}
case 'P': {
param_trie = MARISA_ALPHA_PATRICIA_TRIE;
break;
}
case 'p': {
param_trie = MARISA_ALPHA_PREFIX_TRIE;
break;
}
case 'T': {
param_tail = MARISA_ALPHA_TEXT_TAIL;
break;
}
case 'b': {
param_tail = MARISA_ALPHA_BINARY_TAIL;
break;
}
case 't': {
param_tail = MARISA_ALPHA_WITHOUT_TAIL;
break;
}
case 'w': {
param_order = MARISA_ALPHA_WEIGHT_ORDER;
break;
}
case 'l': {
param_order = MARISA_ALPHA_LABEL_ORDER;
break;
}
case 'I': {
predict_strs_flag = false;
break;
}
case 'i': {
predict_strs_flag = true;
break;
}
case 'S': {
speed_flag = true;
break;
}
case 's': {
speed_flag = false;
break;
}
case 'h': {
print_help(argv[0]);
return 0;
}
default: {
return 1;
}
}
}
print_config();
return benchmark(cmdopt.argv + cmdopt.optind, cmdopt.argc - cmdopt.optind);
}