Draftsight slow performance

Problem Description :- Draftsight performing slow while opening the file and while modify it. 

To rectify the above query, we implemented the following steps: 

1. We perform clean uninstallation and re-install the Draftsight.

2. We perform all the steps which are available in Draftsight performance troubleshoot tips. For reference - https://www.goengineer.com/blog/draftsight-performance-troubleshooting-tips

 

3. We upgrade the Graphic card drivers of intel.

 

System Configuration - 

Processor - 11th Generation Intel® Core™ i7-1165G7

Video Card - Intel® Iris® Xe Graphics

RAM - 16 GB

Storage - 512 GB HDD

Please provide some solution on this.