Bytes with 128 bits?

[Manfred Nowak]

Don Clugston wrote

>> If this is true then a severe slowdown should happen
> It would, if there was no cache.

Both not confirmed!!!

This table shows the quotient Q for the slow down for some access 
differences delta, compared to an access difference of 1 Byte. 

delta:  Q
------------
    2:  0.98
    3:  1.04
    4:  1.06
    5:  1.20
    6:  1.35
    7:  1.53
    8:  1.68
    9:  1.52
   10:  1.66
   12:  2.23
   14:  2.73
   16:  3.21
   18:  3.64
   20:  4.24
   23:  5.15
   26:  6.25
   29:  7.15
   32:  8.31
   36:  9.31
   40: 10.30
   45: 10.97
   50: 11.89
   56: 12.96
   62: 13.80
   69: 14.37
   76: 14.96
   84: 15.90
   93: 16.62
  103: 16.72
  114: 14.08
  126: 10.49
  139:  9.80
  153:  9.96
  169: 10.12
  186: 10.33
  205: 10.46
  226: 10.82
  249: 10.87
  274: 11.16
  302: 11.55
  333: 11.60
  367: 11.83
  404: 12.26
  445: 12.68
  490: 13.25
  540: 13.13
  595: 12.96
  655: 13.02
  721: 13.40
  794: 13.49
  874: 14.11
  962: 14.72
 1059: 14.89
 1165: 15.23
 1282: 15.52
 1411: 16.05
 1553: 16.78
 1709: 17.44
 1880: 18.11

Tested on an Athlon64 X2 4200, winXP, dmd1.016

-manfred