Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

Reverse Timing analysis (from .pof file)

Hi, I'm working on a number of older systems which the original engineer somehow designed without using ANY timing constraints. These systems have been deployed for a number of years to several...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

--- Quote Start ---

Even if you compile with the same version, you timing will probably be different. I'd re-compile and add any constraints needed to close timing. Make sure you completely understand what the real world timing needs to be for any external interfaces.

--- Quote End ---

In my experience with quartus (not ISE), going back to some very old versions, compiling the same source code with the same seed on and identical OS gives you identical results.