[Solved] Is there a way to speed up this Objective-C string assignment?

by 


for(int a=0;a<200;a++){
    for(int g=0;g<200;g++){
        char str[10];
        snprintf(str, 10, "%d,%d", a,g);
        key = [NSString stringWithCString:str encoding:NSASCIIStringEncoding];
    }
}

Runs 4 times as fast on my old ipod touch 2g

Time old: 4.303022833333
Time new: 1.117406833333

3

solved Is there a way to speed up this Objective-C string assignment?