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ADua0's avatar
ADua0
Icon for Occasional Contributor rankOccasional Contributor
7 years ago

Dsp utilization for arithmetic operations

I am trying doing accumulation and multiplication operations on 8 bit of data. "for(int i =0 ;i<4;i++) { sum[i] += inp1[i] * inp2[i]; } " now both my inp1 and inp2 are 8 bit of data , and...
CheepinC_altera's avatar
CheepinC_altera
Icon for Regular Contributor rankRegular Contributor
7 years ago

Hi,

Sorry for the delay. Based on my understanding, Quartus will auto-select the optimal implementation for your operation and I am not aware of specific settings to tell Quartus to not using LUTs for addition.

Just would like to check with you which specific device and Quartus version that you are using?

For testing purpose, you may try to use the multiply and add IPs under the IP Catalog -> Basic Functions -> Arithmetic to see if it helps.

Please let me know if there is any concern. Thank you.