Advanced Micro Devices Inc (AMD)

[UpNDown]

Opteron Spec hotspots

For the real aficienados of Spec and assembler code, Richard Brunner of AMD has posted instruction retirement counts for several Spec components on the x86-64.org mailing lists:

http://www.x86-64.org/mailing_lists/list?listname=discuss&listnum=0

As the topic list will quickly push these off the main list archive page, here is a direct link to the first of his messages:
http://www.x86-64.org/lists/discuss/msg03662.html

Sample lines (I warned you!):

 
  Function Stats: 
 ======+=========+ 
 counts/%Tot_Time/ 
 ------+---------+---------------------------------------- 
 274269 58.0500% / 4b5760:  <regmatch>: 
 ------+---------+---------------------------------------- 
   2790  0.5905% / 4b5760:  sub    $0x148,%rsp 
   5305  1.1230% / 4b5767:  mov    %r13,0x130(%rsp,1) 
                   4b576f:  mov    %rbx,0x118(%rsp,1) 
   6858  1.4510% / 4b5777:  mov    %r12,0x128(%rsp,1) 
    455  0.0963% / 4b577f:  mov    1493002(%rip),%r13        # 621f90 <PL_reginput> 
   1377  0.2914% / 4b5786:  mov    %r15,0x140(%rsp,1) 
      2  0.0004% / 4b578e:  mov    %rbp,0x120(%rsp,1) 
   4051  0.8574% / 4b5796:  mov    %r14,0x138(%rsp,1) 
                   4b579e:  movl   $0x0,0xc0(%rsp,1)