source/test/usetperf/usetperf.cpp

/*
**********************************************************************
* Copyright (c) 2002-2004, International Business Machines
* Corporation and others.  All Rights Reserved.
**********************************************************************
* 2002-09-20 aliu Created.
*/

#include <stdio.h>

#include "unicode/utypes.h"
#include "unicode/uniset.h"
#include "unicode/uchar.h"
#include "unicode/usetiter.h"
#include "bitset.h"
#include "timer.h"

#define LENGTH(a) (sizeof(a)/sizeof(a[0]))

int main(int argc, const char *argv[]) {

    Timer timer;
    BitSet bs;
    UnicodeSet us;
    int32_t i, j, n, temp;
    UChar32 cp;
    double t;

    int32_t PROPS[] = {
        // category         iterations for add, contains, iterator
        U_TITLECASE_LETTER, 100, 100, 20000000,
        U_UNASSIGNED,       30, 100, 20000000,
    };

    for (j=0; j<LENGTH(PROPS); j+=4) {
        UCharCategory prop = (UCharCategory) PROPS[j];

        printf("\nGetting characters for character category %d\n", prop);
        bs.clearAll();
        int32_t total = 0;
        for (cp=0; cp<0x110000; ++cp) {
            if (u_charType(cp) == prop) {
                bs.set((int32_t) cp);
                ++total;
            }
        }
        printf("Total characters: %d\n", total);
        
        // add()
        n = PROPS[j+1];
        printf("Testing add() x %d...", n);
        timer.start();
        for (i=0; i<n; ++i) {
            us.clear();
            for (cp=0; cp<0x110000; ++cp) {
                if (bs.get((int32_t) cp)) {
                    us.add(cp);
                }
            }
        }
        t = timer.stop();
        printf("result: %f sec => %f ms/loop\n", t, t*1e3/n);

        // contains()
        n = PROPS[j+2];
        printf("Testing contains() x %d...", n);
        temp = 0;
        timer.start();
        for (i=0; i<n; ++i) {
            us.clear();
            for (cp=0; cp<0x110000; ++cp) {
                if (us.contains(cp)) {
                    temp += cp;
                }
            }
        }
        t = timer.stop();
        printf("result: %f sec => %f ms/loop\n", t, t*1e3/n);
        
        // iterator
        n = PROPS[j+3];
        printf("Testing iterator x %d...", n);
        temp = 0;
        timer.start();
        for (i=0; i<n; ++i) {
            UnicodeSetIterator uit(us);
            while (uit.next()) {
                temp += uit.getCodepoint();
            }
        }
        t = timer.stop();
        printf("result: %f sec => %f ns/loop\n", t, t*1e9/n);
    }

    char* PAT[] = {
        "['A-Za-z\\u00C0-\\u00C5\\u00C7-\\u00CF\\u00D1-\\u00D6\\u00D9-\\u00DD\\u00E0-\\u00E5\\u00E7-\\u00EF\\u00F1-\\u00F6\\u00F9-\\u00FD\\u00FF-\\u010F\\u0112-\\u0125\\u0128-\\u0130\\u0134-\\u0137\\u0139-\\u013E\\u0143-\\u0148\\u014C-\\u0151\\u0154-\\u0165\\u0168-\\u017E\\u01A0-\\u01A1\\u01AF-\\u01B0\\u01CD-\\u01DC\\u01DE-\\u01E1\\u01E6-\\u01ED\\u01F0\\u01F4-\\u01F5\\u01F8-\\u01FB\\u0200-\\u021B\\u021E-\\u021F\\u0226-\\u0233\\u1E00-\\u1E99\\u1EA0-\\u1EF9\\u212A-\\u212B]",

        "['.0-9A-Za-z~\\u00C0-\\u00C5\\u00C7-\\u00CF\\u00D1-\\u00D6\\u00D9-\\u00DD\\u00E0-\\u00E5\\u00E7-\\u00EF\\u00F1-\\u00F6\\u00F9-\\u00FD\\u00FF-\\u010F\\u0112-\\u0125\\u0128-\\u0130\\u0134-\\u0137\\u0139-\\u013E\\u0143-\\u0148\\u014C-\\u0151\\u0154-\\u0165\\u0168-\\u017E\\u01A0-\\u01A1\\u01AF-\\u01B0\\u01CD-\\u01DC\\u01DE-\\u01E3\\u01E6-\\u01ED\\u01F0\\u01F4-\\u01F5\\u01F8-\\u021B\\u021E-\\u021F\\u0226-\\u0233\\u0301\\u0303-\\u0304\\u0306-\\u0307\\u0310\\u0314-\\u0315\\u0323\\u0325\\u0331\\u0341\\u0344\\u0385-\\u0386\\u0388-\\u038A\\u038C\\u038E-\\u0390\\u03AC-\\u03B0\\u03CC-\\u03CE\\u03D3\\u0403\\u040C\\u040E\\u0419\\u0439\\u0453\\u045C\\u045E\\u04C1-\\u04C2\\u04D0-\\u04D1\\u04D6-\\u04D7\\u04E2-\\u04E3\\u04EE-\\u04EF\\u1E00-\\u1E99\\u1EA0-\\u1EF9\\u1F01\\u1F03-\\u1F05\\u1F07\\u1F09\\u1F0B-\\u1F0D\\u1F0F\\u1F11\\u1F13-\\u1F15\\u1F19\\u1F1B-\\u1F1D\\u1F21\\u1F23-\\u1F25\\u1F27\\u1F29\\u1F2B-\\u1F2D\\u1F2F\\u1F31\\u1F33-\\u1F35\\u1F37\\u1F39\\u1F3B-\\u1F3D\\u1F3F\\u1F41\\u1F43-\\u1F45\\u1F49\\u1F4B-\\u1F4D\\u1F51\\u1F53-\\u1F55\\u1F57\\u1F59\\u1F5B\\u1F5D\\u1F5F\\u1F61\\u1F63-\\u1F65\\u1F67\\u1F69\\u1F6B-\\u1F6D\\u1F6F\\u1F71\\u1F73\\u1F75\\u1F77\\u1F79\\u1F7B\\u1F7D\\u1F81\\u1F83-\\u1F85\\u1F87\\u1F89\\u1F8B-\\u1F8D\\u1F8F\\u1F91\\u1F93-\\u1F95\\u1F97\\u1F99\\u1F9B-\\u1F9D\\u1F9F\\u1FA1\\u1FA3-\\u1FA5\\u1FA7\\u1FA9\\u1FAB-\\u1FAD\\u1FAF-\\u1FB1\\u1FB4\\u1FB8-\\u1FB9\\u1FBB\\u1FC4\\u1FC9\\u1FCB\\u1FCE\\u1FD0-\\u1FD1\\u1FD3\\u1FD8-\\u1FD9\\u1FDB\\u1FDE\\u1FE0-\\u1FE1\\u1FE3\\u1FE5\\u1FE8-\\u1FE9\\u1FEB-\\u1FEC\\u1FEE\\u1FF4\\u1FF9\\u1FFB\\u212A-\\u212B\\uE04D\\uE064]",

        "[\\u0901-\\u0903\\u0905-\\u0939\\u093C-\\u094D\\u0950-\\u0954\\u0958-\\u096F]",
    };

    UErrorCode ec = U_ZERO_ERROR;

    n = 2000;

    for (j=0; j<LENGTH(PAT); ++j) {

        printf("\nApplying pattern %s x %d...", PAT[j], n);
        UnicodeSet set;
        UnicodeString pat(PAT[j], "");

        timer.start(); 
        for (i=0; i<n; i++) {
            set.applyPattern(pat, ec);
        }
        t = timer.stop();
        printf("result: %f sec => %f us/loop\n", t, t*1e6/n);
    }        

    return 0;
}