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Altera_Forum
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8 years ago

TimeQuest Analyzer: "~DUPLICATE"

Hi there, tl;dr: What does the postfix "~DUPLICATE" means in TimeQuest and why is it added? I have some timing violations which I try to pin point via TimeQuest Analyzer. In the Path summa...
Altera_Forum's avatar
Altera_Forum
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8 years ago

~duplicate is where it has duplicated a register, probably with a high fan-out, probably because it thought it was going to affect timing. There is a synth setting where you can set the maximum fan-out of a register. If it goes over this, it will create a duplicate to handle the extra fan-out.