Speeding up searching in linked list

Sounds crazy, but it's possible in some cases. Here are experiments results - 3 times faster isn't so bad.

list                          :      0.780s, speedup  1.00
array list (4)                :      0.703s, speedup  1.11
array list (8)                :      0.515s, speedup  1.51
SIMD array list (4)           :      0.365s, speedup  2.14
SIMD array list (8)           :      0.258s, speedup  3.03