| 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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| 2 | /* ***** BEGIN LICENSE BLOCK *****
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| 3 | * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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| 4 | *
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| 5 | * The contents of this file are subject to the Mozilla Public License Version
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| 6 | * 1.1 (the "License"); you may not use this file except in compliance with
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| 7 | * the License. You may obtain a copy of the License at
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| 8 | * http://www.mozilla.org/MPL/
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| 9 | *
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| 10 | * Software distributed under the License is distributed on an "AS IS" basis,
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| 11 | * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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| 12 | * for the specific language governing rights and limitations under the
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| 13 | * License.
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| 14 | *
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| 15 | * The Original Code is mozilla.org code.
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| 16 | *
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| 17 | * The Initial Developer of the Original Code is
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| 18 | * Netscape Communications Corporation.
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| 19 | * Portions created by the Initial Developer are Copyright (C) 1998
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| 20 | * the Initial Developer. All Rights Reserved.
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| 21 | *
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| 22 | * Contributor(s):
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| 23 | *
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| 24 | * Alternatively, the contents of this file may be used under the terms of
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| 25 | * either of the GNU General Public License Version 2 or later (the "GPL"),
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| 26 | * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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| 27 | * in which case the provisions of the GPL or the LGPL are applicable instead
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| 28 | * of those above. If you wish to allow use of your version of this file only
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| 29 | * under the terms of either the GPL or the LGPL, and not to allow others to
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| 30 | * use your version of this file under the terms of the MPL, indicate your
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| 31 | * decision by deleting the provisions above and replace them with the notice
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| 32 | * and other provisions required by the GPL or the LGPL. If you do not delete
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| 33 | * the provisions above, a recipient may use your version of this file under
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| 34 | * the terms of any one of the MPL, the GPL or the LGPL.
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| 35 | *
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| 36 | * ***** END LICENSE BLOCK ***** */
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| 37 | #include "nsIAtom.h"
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| 38 | #include "nsString.h"
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| 39 | #include "nsReadableUtils.h"
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| 40 | #include "prprf.h"
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| 41 | #include "prtime.h"
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| 42 | #include <stdio.h>
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| 43 |
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| 44 | extern "C" int _CrtSetDbgFlag(int);
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| 45 |
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| 46 | int main(int argc, char** argv)
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| 47 | {
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| 48 | FILE* fp = fopen("words.txt", "r");
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| 49 | if (nsnull == fp) {
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| 50 | printf("can't open words.txt\n");
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| 51 | return -1;
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| 52 | }
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| 53 |
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| 54 | PRInt32 count = 0;
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| 55 | PRUnichar** strings = new PRUnichar*[60000];
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| 56 | nsIAtom** ids = new nsIAtom*[60000];
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| 57 | nsAutoString s1, s2;
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| 58 | PRTime start = PR_Now();
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| 59 | PRInt32 i;
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| 60 | for (i = 0; i < 60000; i++) {
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| 61 | char buf[1000];
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| 62 | char* s = fgets(buf, sizeof(buf), fp);
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| 63 | if (nsnull == s) {
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| 64 | break;
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| 65 | }
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| 66 | nsCAutoString sb;
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| 67 | sb.Assign(buf);
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| 68 | strings[count++] = ToNewUnicode(sb);
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| 69 | ToUpperCase(sb);
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| 70 | strings[count++] = ToNewUnicode(sb);
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| 71 | }
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| 72 | PRTime end0 = PR_Now();
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| 73 |
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| 74 | // Find and create idents
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| 75 | for (i = 0; i < count; i++) {
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| 76 | ids[i] = NS_NewAtom(strings[i]);
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| 77 | }
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| 78 | PRUnichar qqs[1]; qqs[0] = 0;
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| 79 | nsIAtom* qq = NS_NewAtom(qqs);
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| 80 | PRTime end1 = PR_Now();
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| 81 |
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| 82 | // Now make sure we can find all the idents we just made
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| 83 | for (i = 0; i < count; i++) {
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| 84 | const char *utf8String;
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| 85 | ids[i]->GetUTF8String(&utf8String);
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| 86 | nsIAtom* id = NS_NewAtom(utf8String);
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| 87 | if (id != ids[i]) {
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| 88 | id->ToString(s1);
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| 89 | ids[i]->ToString(s2);
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| 90 | printf("find failed: id='%s' ids[%d]='%s'\n",
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| 91 | NS_LossyConvertUCS2toASCII(s1).get(), i, NS_LossyConvertUCS2toASCII(s2).get());
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| 92 | return -1;
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| 93 | }
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| 94 | NS_RELEASE(id);
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| 95 | }
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| 96 | PRTime end2 = PR_Now();
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| 97 |
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| 98 | // Destroy all the atoms we just made
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| 99 | NS_RELEASE(qq);
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| 100 | for (i = 0; i < count; i++) {
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| 101 | NS_RELEASE(ids[i]);
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| 102 | }
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| 103 |
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| 104 | // Print out timings
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| 105 | PRTime end3 = PR_Now();
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| 106 | PRTime creates, finds, lookups, dtor, ustoms;
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| 107 | LL_I2L(ustoms, 1000);
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| 108 | LL_SUB(creates, end0, start);
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| 109 | LL_DIV(creates, creates, ustoms);
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| 110 | LL_SUB(finds, end1, end0);
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| 111 | LL_DIV(finds, finds, ustoms);
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| 112 | LL_SUB(lookups, end2, end1);
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| 113 | LL_DIV(lookups, lookups, ustoms);
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| 114 | LL_SUB(dtor, end3, end2);
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| 115 | char buf[500];
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| 116 | PR_snprintf(buf, sizeof(buf), "making %d ident strings took %lldms",
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| 117 | count, creates);
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| 118 | puts(buf);
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| 119 | PR_snprintf(buf, sizeof(buf), "%d new idents took %lldms",
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| 120 | count, finds);
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| 121 | puts(buf);
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| 122 | PR_snprintf(buf, sizeof(buf), "%d ident lookups took %lldms",
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| 123 | count, lookups);
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| 124 | puts(buf);
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| 125 | PR_snprintf(buf, sizeof(buf), "dtor took %lldusec", dtor);
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| 126 | puts(buf);
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| 127 |
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| 128 | printf("%d live atoms\n", NS_GetNumberOfAtoms());
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| 129 | NS_POSTCONDITION(0 == NS_GetNumberOfAtoms(), "dangling atoms");
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| 130 |
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| 131 | return 0;
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| 132 | }
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