GMP 4.3.1 misdetects intel X7460

[Torbjorn Granlund]

David Harvey <dmharvey at cims.nyu.edu> writes:

  > If not, please run and time this program, it will tell the latter two
  > apart:
  >
  >         .globl  main
  > main:
  >         mov     $2666666667, %ecx
  > 1:      mul
  >         dec     %ecx
  >         jnz     1b
  >         ret
  
  I changed the "mul" to "mul %rbx", and got 6.94s.
  
Thanks, this is a Penryn, pipeline wise.

I am now trying to find updated cpuid info, but no site seems to know of
these processors.  I suppose 6-core processors are rare.

-- 
Torbjörn