#include <map>
#include <string>

#include <iostream>
#ifdef WIN32
#include <Windows.h>
#else
#include <sys/time.h>                // for gettimeofday()
#endif


#include <stdint.h> /* Replace with <stdint.h> if appropriate */
#undef get16bits
#if (defined(__GNUC__) && defined(__i386__)) || defined(__WATCOMC__) \
  || defined(_MSC_VER) || defined (__BORLANDC__) || defined (__TURBOC__)
#define get16bits(d) (*((const uint16_t *) (d)))
#endif

#if !defined (get16bits)
#define get16bits(d) ((((uint32_t)(((const uint8_t *)(d))[1])) << 8)\
                       +(uint32_t)(((const uint8_t *)(d))[0]) )
#endif

uint32_t SuperFastHash (const char * data, int len) {
uint32_t hash = len, tmp;
int rem;

    if (len <= 0 || data == NULL) return 0;

    rem = len & 3;
    len >>= 2;

    /* Main loop */
    for (;len > 0; len--) {
        hash  += get16bits (data);
        tmp    = (get16bits (data+2) << 11) ^ hash;
        hash   = (hash << 16) ^ tmp;
        data  += 2*sizeof (uint16_t);
        hash  += hash >> 11;
    }

    /* Handle end cases */
    switch (rem) {
        case 3: hash += get16bits (data);
                hash ^= hash << 16;
                hash ^= data[sizeof (uint16_t)] << 18;
                hash += hash >> 11;
                break;
        case 2: hash += get16bits (data);
                hash ^= hash << 11;
                hash += hash >> 17;
                break;
        case 1: hash += *data;
                hash ^= hash << 10;
                hash += hash >> 1;
    }

    /* Force "avalanching" of final 127 bits */
    hash ^= hash << 3;
    hash += hash >> 5;
    hash ^= hash << 4;
    hash += hash >> 17;
    hash ^= hash << 25;
    hash += hash >> 6;

    return hash;
}




#define sz 300000

int main()
{
    std::map<uint32_t, char*> redis;
    char ** buffer = new char*[sz];
    for(int i=0; i<sz; i++)
    {
         buffer[i] = new char[8];
         sprintf(buffer[i], "%i", i);

    }
    char * buffer2 = "OHAI LOL";
    char * buffer3 = NULL;

#ifdef WIN32
    LARGE_INTEGER frequency;        // ticks per second
    LARGE_INTEGER t1, t2;           // ticks
#else
    timeval t1, t2;
#endif
    double elapsedTime;

    // start timer
#ifdef WIN32
    QueryPerformanceFrequency(&frequency);

    // start timer
    QueryPerformanceCounter(&t1);
#else
    gettimeofday(&t1, NULL);
#endif

    for(int i=0; i<sz; i++)
    {
         redis[SuperFastHash(buffer[i],strlen(buffer[i]))] = buffer2;
    }



    // stop timer
#ifdef WIN32
    QueryPerformanceCounter(&t2);
#else
    gettimeofday(&t2, NULL);
#endif

    // compute and print the elapsed time in millisec
#ifdef WIN32
    elapsedTime = (t2.QuadPart - t1.QuadPart) * 1000.0 / frequency.QuadPart;
#else
    elapsedTime = (t2.tv_sec - t1.tv_sec) * 1000.0;      // sec to ms
    elapsedTime += (t2.tv_usec - t1.tv_usec) / 1000.0;   // us to ms
#endif
    std::cout << (double)sz/(elapsedTime/1000.0) << " sets/second"<<std::endl;


#ifdef WIN32
    QueryPerformanceFrequency(&frequency);

    // start timer
    QueryPerformanceCounter(&t1);
#else
    gettimeofday(&t1, NULL);
#endif

    for(int i=0; i<sz; i++)
    {
         buffer3 = redis[SuperFastHash(buffer[i],strlen(buffer[i]))];
         //std::cout<<buffer3;
    }



    // stop timer
#ifdef WIN32
    QueryPerformanceCounter(&t2);
#else
    gettimeofday(&t2, NULL);
#endif

#ifdef WIN32
    elapsedTime = (t2.QuadPart - t1.QuadPart) * 1000.0 / frequency.QuadPart;
#else
    elapsedTime = (t2.tv_sec - t1.tv_sec) * 1000.0;      // sec to ms
    elapsedTime += (t2.tv_usec - t1.tv_usec) / 1000.0;   // us to ms
#endif
    std::cout << (double)sz/(elapsedTime/1000.0) << " gets/second"<<std::endl;


    system("PAUSE");

    return 0;
}