Optimizing libc/string for amd64(?)

[Oliver Lehmann]

Martin wrote:

> But before thinking about a change, it would be better if someone
> confirms the degraded performance (just run nbench). I've only checked
> it on 1 machine and cannot access it very often (it does not belong
> to me).


AMD64 3500+ running 6.0-CURRENT/amd64.
I've no i386 with aprox. the same speed I could compare with.

TEST                : Iterations/sec.  : Old Index   : New Index
                    :                  : Pentium 90* : AMD K6/233*
--------------------:------------------:-------------:------------
NUMERIC SORT        :          2151.5  :      55.18  :      18.12
STRING SORT         :          185.65  :      82.95  :      12.84
BITFIELD            :      4.8454e+08  :      83.12  :      17.36
FP EMULATION        :           140.8  :      67.56  :      15.59
FOURIER             :           17614  :      20.03  :      11.25
ASSIGNMENT          :          25.529  :      97.14  :      25.20
IDEA                :          2779.5  :      42.51  :      12.62
HUFFMAN             :            1715  :      47.56  :      15.19
NEURAL NET          :          24.339  :      39.10  :      16.45
LU DECOMPOSITION    :            1145  :      59.32  :      42.83


-- 
 Oliver Lehmann
  http://www.pofo.de/
  http://wishlist.ans-netz.de/