selectors.m

    [APUtils benchmark:^{
        for (int i = 0; i < 1000000; ++i) {
            self.testing = @(i);
        }
    } name:@"self.testing = @(i);"];

    [APUtils benchmark:^{
        for (int i = 0; i < 1000000; ++i) {
            [self setValue:@(i) forKey:@"testing"];
        }
    } name:@"[self setValue:@(i) forKey:@\"testing\"];"];

    [APUtils benchmark:^{
        for (int i = 0; i < 1000000; ++i) {
            [self performSelector:@selector(setTesting:) withObject:@(i)];
        }
    } name:@"[self performSelector:@selector(setTesting:) withObject:@(i)];"];
    
    [APUtils benchmark:^{
        for (int i = 0; i < 1000000; ++i) {
            [self performSelector:NSSelectorFromString(@"setTesting:") withObject:@(i)];
        }
    } name:@"[self performSelector:NSSelectorFromString(@\"setTesting:\") withObject:@(i)];"];
    
    [APUtils benchmark:^{
        SEL selector = NSSelectorFromString(@"setTesting:");
        for (int i = 0; i < 1000000; ++i) {
            [self performSelector:selector withObject:@(i)];
        }
    } name:@"[self performSelector:selector withObject:@(i)];"];