Forum Discussion

FPGAManWhoCan's avatar
FPGAManWhoCan
Icon for New Contributor rankNew Contributor
2 years ago

Is there a way to force the use of 9x9 multipliers over 18x18?

Hi there, I'm working with the Cyclone V and have the constraint that im only able to use the 9x9 multipliers in the variable precision DSP blocks. The design im trying to synthesize is something...
Kshitij_Intel's avatar
Kshitij_Intel
Icon for Frequent Contributor rankFrequent Contributor
2 years ago

Hi,


Please use this ini:


opt_dsp_promote_9x9=on


To make use of dense 9x9 mode and so will have different preferences from the normal flow. Unfortunately there's no QSF control for it, so ini is the best option.


Thank you

Kshitij Goel