nbench-2.2.3

(g - guest - 32 on 64)
(h - host  - 32 on 32 / 64 on 64)

ubuntu 8.10 2.6.27-11
Intel(R) Core(TM)2 Duo CPU     E7300  @ 2.66GHz
                    32bit(h)   32bit(g)  64bit(h)     64h>32h
NUMERIC SORT        1116.8     1120.6    1260.6         +13%
STRING SORT         163.2      148.04    278.48         +70%
BITFIELD            4.9125e+08 4.879e+08 5.0823e+08     +03%
FP EMULATION        164.57     164.72    274.56         +67%
FOURIER             32208      32214     28568          -13%
ASSIGNMENT          37.315     38.283    37.955         -02%
IDEA                7273.1     7274.2    7652           +05%
HUFFMAN             2404.5     2404.5    2572.8         +07%
NEURAL NET          47.903     47.423    55.591         +16%
LU DECOMPOSITION    1785.4     1780.4    1793           +00%

fedora 2.6.20-1.3002.fc6
AMD Athlon(tm) 64 X2 Dual Core Processor 3600+
                    32bit(g)   64bit(h)      64h>32g
NUMERIC SORT        847.04     1120.1         +32%
STRING SORT         179.46     173.85         -03%
BITFIELD            2.1947e+08 4.0056e+08     +82%
FP EMULATION        144.96     284.8          +96%
FOURIER             20871      16517          -26%
ASSIGNMENT          20.948     20.757         -01%
IDEA                4932.1     5042           +02%
HUFFMAN             1410.4     1540.9         +09%
NEURAL NET          32.895     32.947          00%
LU DECOMPOSITION    1024.8     1077.4         +05%