gistfile1.mm

#include <assert.h>
#import <Cocoa/Cocoa.h>
#import <Foundation/Foundation.h>
#import <CoreServices/CoreServices.h>
#include <mach/mach.h>
#include <mach/mach_time.h>
#include <unistd.h>

@interface ObjCBenchmark : NSObject
{
}
@end

@implementation ObjCBenchmark

+ (int)innerCompareTo {
	NSString *str1, *str2, *str3, *str4;
	str2    = @"vm-guld vm-guld vm-guldx";
	str3    = @"vm-guld vm-guld vm-guldx";
	str1    = @"vm-guld vm-guld vm-guld";
	str4    = @"adadaskasdjierudks";

	int t = 0;
	t += [str1 compare:str2]; 
	t += [str2 compare:str3];
	t += [str3 compare:str4];
	return t;
}

+(double)testCompareTo:(int)loops {
	int   count = 0;
	int j, i;
	
	int total = 0;
	double start = [NSDate timeIntervalSinceReferenceDate];
	for (j = 0; j < loops; j++) {
		count++;
		for (i = 0; i < 100; i++) {
			total += [self innerCompareTo];
		}
	}
	double elapsed = [NSDate timeIntervalSinceReferenceDate] - start;
	printf("%lf\n", elapsed);
	return ((double)count)/elapsed;
}

+(double)run
{
	
	return [self testCompareTo:100000];
}

@end

int main (int argc, const char * argv[]) {
    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];

    // insert code here...
	for (int i = 0; i < 2; i ++) {
		printf("%lf\n", [ObjCBenchmark run]);
	}
	[pool drain];
	return 0;
}