> So then the real questions are : > > * Is it correct that 4D Volume desktop uses only 1 core?
No. > * How can I enable 4D Volume desktop to use all cores? No. There isn't such a switch. It is a bit more complicated, a short query for "core" on the knowledgebase kb.4d.com reveals: 1. [4D Summit 2018] Preemptive Programming [EN] Product: 4D | Version: 17 | Published on: May 16, 2018 | https://kb.4d.com/assetid=78035 2. Quick Comparison of Deployment Hardware for Mac vs Windows Product: 4D | Version: 16 | Published on: April 19, 2017 | https://kb.4d.com/assetid=77769 3. [4D Summit 2016] Secure Your Business by Mirroring Your 4D Server [ENProduct: 4D Server | Version: 15.2 | Published on: June 17, 2016 | https://kb.4d.com/assetid=77560 4. [4D Summit 2014] Troubleshooting at the Engine's Core (EN Product: 4D | Version: 14 R3 | Published on: July 29, 2015 | https://kb.4d.com/assetid=77336 5. How does 4D v13 optimize static requests? Product: 4D | Version: 13.3 | Published on: April 12, 2013 | https://kb.4d.com/assetid=76806 6. Allocation Table Size in 4D v11 SQL and 4D v12 Product: 4D | Version: 12 | Published on: November 23, 2011 | https://kb.4d.com/assetid=76413 Have a look to the blog.4d.com too. You will find much more information about multi-threading, preemptive multi-tasking, workers etc. Regards Lutz ********************************************************************** 4D Internet Users Group (4D iNUG) Archive: http://lists.4d.com/archives.html Options: https://lists.4d.com/mailman/options/4d_tech Unsub: mailto:4d_tech-unsubscr...@lists.4d.com **********************************************************************