From: Nick Desaulniers > Sent: 07 October 2022 20:04 ... > It looks like for arrays INIT_STACK_ALL_PATTERN uses memset to fill > the array with 0xFF rather than 0x00 used by INIT_STACK_ALL_ZERO. Not > sure why that would make a difference, but curious that it does. How much performance does filling the array cost? I'd suspect it is enough to be measurable. David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)