20090505 - Compute Mega Post

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Methods to avoid any AOS to SOA conversion with SIMD,

(1.) All lanes fetch from the same shared gathered object. 
 This uses broadcast ability.

(2.) If individual lanes need to fetch and work with different objects 
  store each object starting on a different memory bank. 
 See the pattern below (where '.' spacer words are free for some other usage). 

0123456789abcdef <- bank
----------------
00000000.1111111 <- objects arranged in banked memory
1.22222222.33333                                   
333.44444444.555                                       
55555.66666666.7
7777777.88888888
.99999999.aaaaaa
aa.bbbbbbbb.cccc
cccc.dddddddd.ee
eeeeee.ffffffff.

0123456789abcdef <- bank
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092b4d6f81a3c5e7 <- first item of object