Compile Issue with Large Design with Large I/O Buswidth #337
Labels
area: usability
Issue involves general usability
resolution: abandoned
Closed; not enough information or otherwise never finished
Author Name: Andy Wagner (@andywag)
Original Redmine Issue: 337 from https://www.veripool.org
Original Date: 2011-03-30
Original Assignee: Wilson Snyder (@wsnyder)
This is a follow up to the issue with Fdisplay but the issue was not with Fdisplay so I created a new item. I have a large design with large parallel I/O. The compilation times for this design are extremely large and might not even finish. I though I isolated this issue to an fdisplay statement I was using in the testbench, but I am pretty sure that the fdisplay is not the issue. Since then I have tried the following :
All of these changes made the compile time increase from about 1 minute on an extremely fast brand new machine to not finishing.
I also attempted to use the DPI interface which didn't suffer from a compile issue but had a run time error that it couldn't find the dpi function from the c++ testbench.
Are there any extra options or make steps required to use the DPI functions from C++?
I am pretty open to workarounds to make this work. Are there any other possibilities?
Is there a way to split the design into smaller sections for compilation and run the composite design?
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