The testing algorithm is a 16bit MAC operation, O0 Optimisation

*** INT ***

*0.857

1236985
110

= 4850 cycles averaged over 0...254

-----------------------------

*0.86

1236882
110

= 4850 cycles averaged over 0...254

-----------------------------

* (float)(0.857)


1236985
110

= 4850 cycles averaged over 0...254

-----------------------------

* (double)(0.857)


1236985
110

= 4850 cycles averaged over 0...254

-----------------------------

*0.9

1236158
110

= 4847 cycles averaged over 0...254

-----------------------------

*** CHAR ***

*0.857

1234683
108

= 4841 cycles averaged over 0...254

-----------------------------

*** LOOKUP TABLE (Global) ***

*0.857

9998
1572

= 33 cycles averaged over 0...254

-----------------------------

*** LOOKUP TABLE (Local) ***

*0.857

14084
39

= 55 cycles averaged over 0...254

-----------------------------

*** LOOKUP TABLE (Global const) ***

*0.857

10766
2340

= 33 cycles averaged over 0...254

-----------------------------

Os Optimisation

*** CHAR ***

*0.857

1230592
107

= 4825 cycles averaged over 0...254

-----------------------------

*** CHAR ***

*1.122

1236094
107

= 4847 cycles averaged over 0...254