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Optimize imExp #169

Open GoogleCodeExporter opened 9 years ago

GoogleCodeExporter commented 9 years ago 
It seems that the current SSE3 code is especially good at computing the 
imaginary exponent, using the precomputed table. The idea is to use the same 
idea but to be used by all modes (i.e. using only standard C99 means).

That would increase the performance of sparse version (keeping the maximum 
portability), but also give slight improvement to other modes.

Original issue reported on code.google.com by yurkin on 1 Aug 2013 at 12:10

GoogleCodeExporter commented 9 years ago

Original comment by yurkin on 3 Aug 2014 at 4:55

GoogleCodeExporter commented 9 years ago 
A first solution is proposed with revision r1391
https://code.google.com/p/a-dda/source/detail?r=1391

Original comment by davide.o...@gmail.com on 15 Sep 2014 at 8:58