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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
// SPDX-FileCopyrightText: 2014 - 2025 Kohei Yoshida
//
// SPDX-License-Identifier: MIT
#include "../include/mdds/sorted_string_map.hpp"
#include "../include/mdds/packed_trie_map.hpp"
#include "../include/mdds/global.hpp"
#include <cstdlib>
#include <iostream>
#include <cstring>
#include <unordered_map>
using namespace std;
#include <stdio.h>
#include <string>
#include <sys/time.h>
namespace {
class stack_printer
{
public:
explicit stack_printer(const char* msg) :
m_msg(msg)
{
fprintf(stdout, "%s: --begin\n", m_msg.c_str());
m_start_time = getTime();
}
~stack_printer()
{
double end_time = getTime();
fprintf(stdout, "%s: --end (duration: %g sec)\n", m_msg.c_str(), (end_time - m_start_time));
}
void printTime(int line) const
{
double fEndTime = getTime();
fprintf(stdout, "%s: --(%d) (duration: %g sec)\n", m_msg.c_str(), line, (fEndTime - m_start_time));
}
private:
double getTime() const
{
timeval tv;
gettimeofday(&tv, NULL);
return tv.tv_sec + tv.tv_usec / 1000000.0;
}
::std::string m_msg;
double m_start_time;
};
}
typedef mdds::sorted_string_map<int> map_type;
map_type::entry entries[] =
{
{ MDDS_ASCII("aaron"), 0 },
{ MDDS_ASCII("al"), 1 },
{ MDDS_ASCII("aldi"), 2 },
{ MDDS_ASCII("andy"), 3 },
{ MDDS_ASCII("bison"), 4 },
{ MDDS_ASCII("bruce"), 5 },
{ MDDS_ASCII("charlie"), 6 },
{ MDDS_ASCII("charlotte"), 7 },
{ MDDS_ASCII("david"), 8 },
{ MDDS_ASCII("dove"), 9 },
{ MDDS_ASCII("e"), 10 },
{ MDDS_ASCII("eva"), 11 },
};
typedef mdds::draft::packed_trie_map<int> trie_map_type;
trie_map_type::entry trie_entries[] =
{
{ MDDS_ASCII("aaron"), 0 },
{ MDDS_ASCII("al"), 1 },
{ MDDS_ASCII("aldi"), 2 },
{ MDDS_ASCII("andy"), 3 },
{ MDDS_ASCII("bison"), 4 },
{ MDDS_ASCII("bruce"), 5 },
{ MDDS_ASCII("charlie"), 6 },
{ MDDS_ASCII("charlotte"), 7 },
{ MDDS_ASCII("david"), 8 },
{ MDDS_ASCII("dove"), 9 },
{ MDDS_ASCII("e"), 10 },
{ MDDS_ASCII("eva"), 11 },
};
typedef std::unordered_map<std::string, int> hashmap_type;
void init_hash_map(hashmap_type& hm)
{
size_t n = sizeof(entries) / sizeof(entries[0]);
const map_type::entry* p = entries;
const map_type::entry* pend = p + n;
for (; p != pend; ++p)
hm.insert(hashmap_type::value_type(p->key, p->value));
}
void run(map_type& sm, const char* input)
{
static int sum = 0;
int type = sm.find(input, strlen(input));
sum += type;
}
void run(trie_map_type& sm, const char* input)
{
static int sum = 0;
int type = sm.find(input, strlen(input));
sum += type;
}
void run_hash(hashmap_type& hm, const char* input)
{
static int sum = 0;
int type = -1;
hashmap_type::const_iterator it = hm.find(input);
if (it != hm.end())
type = it->second;
sum += type;
}
const char* tests[] = {
"aaron"
"al",
"aldi",
"andy",
"andy1",
"andy13",
"bison",
"blah",
"bruce",
"bruce",
"charlie",
"charlotte",
"david",
"dove",
"e",
"eva"
};
int main()
{
static const size_t repeat_count = 10000000;
map_type sorted_map(entries, std::size(entries), -1);
size_t n = sorted_map.size();
cout << "entry count = " << n << endl;
{
stack_printer __stack_printer__("sorted map");
for (size_t rep = 0; rep < repeat_count; ++rep)
{
for (size_t i = 0; i < n; ++i)
run(sorted_map, tests[i]);
}
}
trie_map_type trie_map(trie_entries, std::size(trie_entries), -1);
n = trie_map.size();
cout << "entry count = " << n << endl;
{
stack_printer __stack_printer__("trie map");
for (size_t rep = 0; rep < repeat_count; ++rep)
{
for (size_t i = 0; i < n; ++i)
run(trie_map, tests[i]);
}
}
hashmap_type hm;
init_hash_map(hm);
{
stack_printer __stack_printer__("hash map");
for (size_t rep = 0; rep < repeat_count; ++rep)
{
for (size_t i = 0; i < n; ++i)
run_hash(hm, tests[i]);
}
}
return EXIT_SUCCESS;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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