It could be very useful for SELECT/SELECTEX processing in TCP/IP. Tony Thigpen
-----Original Message ----- From: Rob van der Heij Sent: 08/02/2010 02:17 AM > On Sat, Jul 31, 2010 at 1:36 AM, Don Higgins <[email protected]> wrote: > >> A new problem #22 - Code fastest instruction sequence to count bits in an >> arbitrary string of bytes using currently available z/Architecture >> instructions prior to new instruction coming with z196 which is estimated >> to be 5 times faster. > > I've been wondering about the type of algorithms that this instruction > was meant for. I know of some cases where you're interested in "any > ones" but OC would do that. Or is emphasis on "string" as > null-terminated sequence of bytes? But counting bits in a text string > does not make much sense either... > > | Rob > >
