/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- * * The contents of this file are subject to the Netscape Public License * Version 1.0 (the "NPL"); you may not use this file except in * compliance with the NPL. You may obtain a copy of the NPL at * http://www.mozilla.org/NPL/ * * Software distributed under the NPL is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL * for the specific language governing rights and limitations under the * NPL. * * The Initial Developer of this code under the NPL is Netscape * Communications Corporation. Portions created by Netscape are * Copyright (C) 1998 Netscape Communications Corporation. All Rights * Reserved. */ #include "nsIAtom.h" #include "nsString.h" #include "prprf.h" #include "prtime.h" #include extern "C" int _CrtSetDbgFlag(int); int main(int argc, char** argv) { FILE* fp = fopen("words.txt", "r"); if (nsnull == fp) { printf("can't open words.txt\n"); return -1; } PRInt32 count = 0; PRUnichar** strings = new PRUnichar*[60000]; nsIAtom** ids = new nsIAtom*[60000]; nsAutoString s1, s2; PRTime start = PR_Now(); PRInt32 i; for (i = 0; i < 60000; i++) { char buf[1000]; char* s = fgets(buf, sizeof(buf), fp); if (nsnull == s) { break; } nsAutoString sb(buf); strings[count++] = sb.ToNewUnicode(); sb.ToUpperCase(); strings[count++] = sb.ToNewUnicode(); } PRTime end0 = PR_Now(); // Find and create idents for (i = 0; i < count; i++) { ids[i] = NS_NewAtom(strings[i]); } PRUnichar qqs[1]; qqs[0] = 0; nsIAtom* qq = NS_NewAtom(qqs); PRTime end1 = PR_Now(); // Now make sure we can find all the idents we just made for (i = 0; i < count; i++) { nsIAtom* id = NS_NewAtom(ids[i]->GetUnicode()); if (id != ids[i]) { id->ToString(s1); ids[i]->ToString(s2); printf("find failed: id='%s' ids[%d]='%s'\n", s1.ToNewCString(), i, s2.ToNewCString()); return -1; } NS_RELEASE(id); } PRTime end2 = PR_Now(); // Destroy all the atoms we just made NS_RELEASE(qq); for (i = 0; i < count; i++) { NS_RELEASE(ids[i]); } // Print out timings PRTime end3 = PR_Now(); PRTime creates, finds, lookups, dtor, ustoms; LL_I2L(ustoms, 1000); LL_SUB(creates, end0, start); LL_DIV(creates, creates, ustoms); LL_SUB(finds, end1, end0); LL_DIV(finds, finds, ustoms); LL_SUB(lookups, end2, end1); LL_DIV(lookups, lookups, ustoms); LL_SUB(dtor, end3, end2); char buf[500]; PR_snprintf(buf, sizeof(buf), "making %d ident strings took %lldms", count, creates); puts(buf); PR_snprintf(buf, sizeof(buf), "%d new idents took %lldms", count, finds); puts(buf); PR_snprintf(buf, sizeof(buf), "%d ident lookups took %lldms", count, lookups); puts(buf); PR_snprintf(buf, sizeof(buf), "dtor took %lldusec", dtor); puts(buf); printf("%d live atoms\n", NS_GetNumberOfAtoms()); NS_POSTCONDITION(0 == NS_GetNumberOfAtoms(), "dangling atoms"); return 0; }