13 Nov
2003
13 Nov
'03
8:05 a.m.
On Nov 13, 0:29, Eric Smith wrote:
Then I get three because I understood it, and can think of processors
that do it -- and a few more because I've not only got some (MIPS
R4600, R5K and R10K) but I know how to tell them what the best guess is
(they have forms of branch instruction that can be tagged in assembler
as "likely" or "not likely", to modify the internal branch prediction
mechanism).
The Pentium can do speculative execution as well, and one version even
did a fetch of both branches, but only a pre-fetch, not execution.
--
Pete Peter Turnbull
Network Manager
University of York
Notice to all:
I'm claiming an extra geek point because this entire
message
makes perfect sense to me. --Patrick
OK, then I claim two extra geek points for having written it.