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AR# 33931

11.3 XST - Running out of memory on a design that compiles successfully in previous versions


Keywords: Portability, memory, limitation

I have a design that synthesizes successfully in previous versions of ISE 11 software. However, I encounter the following error in 11.3:

"ERROR:Portability:3 - This Xilinx application has run out of memory or has encountered a memory conflict. Current memory usage is 2082220 kb."

How can I resolve this error?


This is a known issue in ISE 11 software update 3 (11.3) that has been fixed in software update 4 (11.4).

To resolve this issue, download and install the ISE 11.4 software update:

To resolve this issue in ISE 11 software update 3, install the following patch:

For installation instructions, use the "readme.txt" included in the ZIP file. For additional help, use the Support contact information.
AR# 33931
Date Created 12/08/2009
Last Updated 12/07/2009
Status Active
Type General Article