Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
7 years ago

Fixed point optimization

Hello, I have written two kernels to notice the difference in fixed and floating point operations. a) __kernel __attribute__((task)) void test_multiplier(global char *restrict in,...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
7 years ago

Quartus/AOC v16.1.2 and below do not seem to be able to infer 8-bit and 16-bit operations correctly. Your first code example only uses 50 DSPs in 17.0.2 and above. However, it is probably best to define "out" and "output" as short rather than int.