On 5/18/15 10:40 PM, Brian Schott wrote:
On Tuesday, 19 May 2015 at 05:16:48 UTC, Andrei Alexandrescu wrote:Any ideas for faster code?Unless I'm mistaken, any uint that's a power of 2 will only have a single set bit, so why not use the "popcnt" instruction? http://dlang.org/phobos/core_bitop.html#.popcnt
There are complaints it's not that fast, e.g. http://danluu.com/assembly-intrinsics/. -- Andrei
