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sli30's avatar
sli30
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8 years ago

Why logic utilization is much higher?

Dear all, This is my estimated resources on Arria 10. I used Quartus v17.1. The logic utilization is much higher than ALUTs, registers, memory and DSP. Is this normal? Because the other resources ar...
corestar's avatar
corestar
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8 years ago

As Tricky said, the logic utilization is not really related to DSP and memory.

If what you are asking is why is the logic utilization so much larger than the ALUT, this link provides some insight:

https://www.intel.com/content/www/us/en/programmable/support/support-resources/knowledge-base/solutions/rd05172012_146.html

(Sorry, new Forums have no way to cleanly insert a link). The key item you may want to pay attention to is "C" which it defines as:

Estimated Combinational ALUT/register/register triples unavailable

In other words, there may be something about your design that is making a large amount of logic unusable.