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Altera_Forum
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15 years ago

Larger multipliers are faster?!

I'm designing some IIR filters in a Cyclone III, so I had a quick look to see how fast I could get a large multiplier to run. I used lpm_mult, with a latency of 2, and optimized for speed (latency 2 ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

I'm new to Altera, so perhaps I'm doing something dumb. I didn't explicitly input a timing requirement (I had noticed that the timing analyzer defaults to 1000 MHz, so had assumed that would make the fitter try hard). Do I need to enter my own timing requirement?