CmdrTaco from the getting-a-little-spicier dept.
edxwelch writes "In AMD's recient anti-trust
AMD have examined the Intel compiler and found that it deliberatly runs code slower when it detects that the processor is an AMD.
"To achieve this, Intel designed the compiler to compile code
along several alternate code paths. ... By design, the
code paths were not created equally. If the program detects a "Genuine Intel" microprocessor,
it executes a fully optimized code path and operates with the maximum efficiency. However,
if the program detects an "Authentic AMD" microprocessor, it executes a different code path
that will degrade the program's performance or cause it to crash.""
"There is nothing new under the sun, but there are lots of old things
we don't know yet."