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Simple benchmarks
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@3204 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Richard Frith-MacDonald
parent
c3446cfd4c
commit
a790f6a26a
1 changed files with 381 additions and 0 deletions
381
Testing/benchmark.m
Executable file
381
Testing/benchmark.m
Executable file
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/* Simple benchmark program.
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Copyright (C) 1998 Free Software Foundation, Inc.
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Written by: Adam Fedor <fedor@boulder.colorado.edu>
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Modified: Richard Frith-Macdonald <richard@brainstorm.co.uk>
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This file is part of the GNUstep Base Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <stdio.h>
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#include <Foundation/Foundation.h>
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#include <objc/Object.h>
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#define MAX_COUNT 100000
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#define START_TIMER sTime = [NSDate date]
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#define END_TIMER eTime = [NSDate date]
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#define PRINT_TIMER(str) printf(" %-20s\t %6.3f \t %6.3f\n", str, \
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[eTime timeIntervalSinceDate: sTime], \
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[eTime timeIntervalSinceDate: sTime]/baseline)
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#define AUTO_START id pool = [NSAutoreleasePool new]
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#define AUTO_END [pool release]
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NSDate *sTime = nil;
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NSDate *eTime = nil;
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/* Set to a baseline to null out speed of runtime */
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NSTimeInterval baseline = 0.0;
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NSZone *myZone;
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Class rootClass;
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Class stringClass;
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IMP cstring;
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void
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bench_object()
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{
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int i;
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id obj;
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AUTO_START;
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START_TIMER;
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for (i = 0; i < MAX_COUNT*10; i++)
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{
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id i = [rootClass class];
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}
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END_TIMER;
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baseline = [eTime timeIntervalSinceDate: sTime];
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PRINT_TIMER("Baseline: method call");
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START_TIMER;
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myZone = NSCreateZone(2048, 2048, 1);
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for (i = 0; i < MAX_COUNT; i++)
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{
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void *mem = NSZoneMalloc(myZone, 32);
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NSZoneFree(myZone, mem);
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}
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NSRecycleZone(myZone);
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END_TIMER;
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PRINT_TIMER("Function: zone alloc ");
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START_TIMER;
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myZone = NSCreateZone(2048, 2048, 0);
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for (i = 0; i < MAX_COUNT; i++)
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{
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void *mem = NSZoneMalloc(myZone, 32);
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NSZoneFree(myZone, mem);
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}
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NSRecycleZone(myZone);
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END_TIMER;
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PRINT_TIMER("Function: zone2alloc ");
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myZone = NSDefaultMallocZone();
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START_TIMER;
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for (i = 0; i < MAX_COUNT; i++)
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{
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void *mem = NSZoneMalloc(myZone, 32);
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NSZoneFree(myZone, mem);
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}
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END_TIMER;
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PRINT_TIMER("Function: def alloc ");
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START_TIMER;
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myZone = NSCreateZone(2048, 2048, 1);
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for (i = 0; i < MAX_COUNT; i++)
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{
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obj = [[rootClass allocWithZone: myZone] init];
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[obj release];
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}
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NSRecycleZone(myZone);
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END_TIMER;
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PRINT_TIMER("NSObject: zone alloc ");
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START_TIMER;
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myZone = NSCreateZone(2048, 2048, 0);
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for (i = 0; i < MAX_COUNT; i++)
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{
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obj = [[rootClass allocWithZone: myZone] init];
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[obj release];
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}
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NSRecycleZone(myZone);
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END_TIMER;
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PRINT_TIMER("NSObject: zone2alloc ");
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myZone = NSDefaultMallocZone();
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START_TIMER;
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for (i = 0; i < MAX_COUNT; i++)
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{
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obj = [[rootClass allocWithZone: myZone] init];
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[obj release];
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}
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END_TIMER;
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PRINT_TIMER("NSObject: def alloc ");
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START_TIMER;
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for (i = 0; i < MAX_COUNT*10; i++)
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{
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BOOL dummy = [rootClass instancesRespondToSelector: @selector(hash)];
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}
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END_TIMER;
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PRINT_TIMER("ObjC: method/sel ");
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AUTO_END;
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}
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bench_array()
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{
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int i;
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id array;
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NSString *strings[MAX_COUNT];
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AUTO_START;
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for (i = 0; i < MAX_COUNT; i++)
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{
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char buf1[100];
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sprintf(buf1, "str%0d", i);
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strings[i] = [stringClass stringWithCString: buf1];
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}
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printf("NSArray\n");
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array = [NSMutableArray arrayWithCapacity: 16];
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START_TIMER;
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for (i = 0; i < MAX_COUNT*10; i++)
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{
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[array addObject: strings[i/10]];
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}
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END_TIMER;
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PRINT_TIMER("NSArray (addObject:) ");
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START_TIMER;
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for (i = 0; i < MAX_COUNT/100; i++)
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{
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[array indexOfObject: strings[i]];
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}
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END_TIMER;
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PRINT_TIMER("NSArray (indexOfObj)");
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START_TIMER;
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for (i = 0; i < 1; i++)
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{
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[array makeObjectsPerform: @selector(hash)];
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}
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END_TIMER;
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PRINT_TIMER("NSArray (perform) ");
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AUTO_END;
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}
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bench_dict()
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{
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int i;
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NSMutableDictionary *dict;
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id obj2;
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NSString *keys[MAX_COUNT/10];
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NSString *vals[MAX_COUNT/10];
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AUTO_START;
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for (i = 0; i < MAX_COUNT/10; i++)
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{
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char buf1[100], buf2[100];
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sprintf(buf1, "key%0d", i);
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sprintf(buf2, "val%0d", i);
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keys[i] = [stringClass stringWithCString: buf1];
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vals[i] = [stringClass stringWithCString: buf2];
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}
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printf("NSDictionary\n");
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dict = [NSMutableDictionary dictionaryWithCapacity: 16];
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START_TIMER;
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for (i = 0; i < MAX_COUNT/10; i++)
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{
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int j;
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for (j = 0; j < 10; j++)
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{
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[dict setObject: vals[i] forKey: keys[i]];
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}
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}
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END_TIMER;
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PRINT_TIMER("NSDict (setObject:) ");
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START_TIMER;
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for (i = 0; i < MAX_COUNT; i++)
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{
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int j;
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for (j = 0; j < 10; j++)
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{
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id dummy = [dict objectForKey: keys[i/10]];
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}
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}
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END_TIMER;
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PRINT_TIMER("NSDict (objectFor:) ");
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START_TIMER;
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for (i = 0; i < MAX_COUNT*10; i++)
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{
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int dummy = [dict count];
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}
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END_TIMER;
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PRINT_TIMER("NSDictionary (count)");
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obj2 = [dict copy];
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START_TIMER;
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for (i = 0; i < 10; i++)
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{
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BOOL dummy = [dict isEqual: obj2];
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}
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END_TIMER;
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PRINT_TIMER("NSDict (isEqual:) ");
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AUTO_END;
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}
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bench_str()
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{
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int i;
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NSString *str;
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id plist;
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NSString *plstr;
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AUTO_START;
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plist = [NSDictionary dictionaryWithObjectsAndKeys:
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@"Value1", @"Key1",
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@"", @"Key2",
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[NSArray array], @"Key3",
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[NSArray arrayWithObjects:
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@"Array1 entry1",
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@"Array1 entry2",
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[NSArray arrayWithObjects:
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@"Array2 entry1",
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@"Array2 entry2",
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nil],
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[NSDictionary dictionary],
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[NSDictionary dictionaryWithObjectsAndKeys:
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@"Value", @"Key",
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nil],
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nil], @"Key4",
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[NSDictionary dictionary], @"Key5",
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[NSDictionary dictionaryWithObjectsAndKeys:
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@"Value", @"Key",
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nil], @"Key6",
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[NSData data], @"Key7",
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[NSData dataWithBytes: "hello" length: 5], @"Key8",
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nil];
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plstr = [plist description];
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printf("NSString\n");
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START_TIMER;
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for (i = 0; i < MAX_COUNT; i++)
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{
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str = [stringClass stringWithCString: "hello world"];
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}
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END_TIMER;
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PRINT_TIMER("NSString (cstring:) ");
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START_TIMER;
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for (i = 0; i < MAX_COUNT*10; i++)
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{
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int dummy = [str length];
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}
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END_TIMER;
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PRINT_TIMER("NSString (length) ");
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START_TIMER;
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for (i = 0; i < MAX_COUNT/100; i++)
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{
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id arp = [NSAutoreleasePool new];
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NSString *s = [plist description];
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[arp release];
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}
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END_TIMER;
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PRINT_TIMER("NSString (mkplist) ");
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START_TIMER;
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for (i = 0; i < MAX_COUNT/1000; i++)
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{
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id p = [plstr propertyList];
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}
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END_TIMER;
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PRINT_TIMER("NSString (plparse)");
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START_TIMER;
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for (i = 0; i < MAX_COUNT/1000; i++)
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{
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id arp = [NSAutoreleasePool new];
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NSString *s = [plist description];
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id p = [s propertyList];
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if ([p isEqual: plist] == NO)
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printf("Argh 1\n");
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if ([s isEqual: plstr] == NO)
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printf("Argh 2\n");
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[arp release];
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}
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END_TIMER;
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PRINT_TIMER("NSString (plcomp)");
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AUTO_END;
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}
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bench_data()
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{
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int i;
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id d, o;
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AUTO_START;
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Class dataClass = [NSData class];
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printf("NSData\n");
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START_TIMER;
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for (i = 0; i < MAX_COUNT/10; i++)
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{
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d = [dataClass dataWithContentsOfFile:@"benchmark.m"];
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[d length];
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o = [d copy];
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[o release];
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o = [d mutableCopy];
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[o release];
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}
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END_TIMER;
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PRINT_TIMER("NSData (various) ");
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AUTO_END;
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}
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int main(int argc, char *argv[], char **env)
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{
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id pool;
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#if 0 || LIB_FOUNDATION_LIBRARY
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[NSProcessInfo initializeWithArguments:argv count:argc environment:env];
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#endif
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/*
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* Cache classes to remove overhead of objc runtime class lookup from
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* the benchmark.
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*/
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rootClass = [NSObject class];
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stringClass = [NSString class];
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pool = [NSAutoreleasePool new];
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printf(" Test \t time (sec) \t index\n");
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bench_object();
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bench_str();
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bench_array();
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bench_dict();
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bench_data();
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AUTO_END;
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return 0;
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}
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