Objective-C Timer macros

gistfile1.m

#define START_TIMER NSTimeInterval start = [NSDate timeIntervalSinceReferenceDate];
#define END_TIMER(msg) 	NSTimeInterval stop = [NSDate timeIntervalSinceReferenceDate]; LPLog([NSString stringWithFormat:@"%@ Time = %f", msg, stop-start]);

// Example usage
- (void)loadStockCodeMaster
{
    START_TIMER;
    NSURL *url = [NSURL URLWithString:STOCK_CODE_MASTER_URL];
    NSString *stringFile = [NSString stringWithContentsOfURL:url encoding:NSUTF8StringEncoding error:nil];
    END_TIMER(@"loadStockCodeMaster");
}