12-17-2015 09:34 AM
Why is it so slow? Nobody reports on this, but there is a huge performance decreasing regards to Vivado 2015.2. When using Xelab in Vivado 2015.2 multiple clangs are used for compiling the design, but this is not the default behavior in Vivado 2015.3, which aparently does everything in a single mono-thread process.
When running Vivado 2015.3 Xelab, I can see that the multi-threading option is enabled, but aparently it is not used.
Could somebody help me? I would like to get the multi-threading capability working in Vivado 2015.3 Xelab,
12-21-2015 02:46 AM
Multi-threading is enabled by default. The tool will use multiple cores (if they are available for use) for simulation.
Also try using the latest version of vivado 2015.4 for better results.
01-06-2016 02:40 AM
Did you try with 2015.4? Post the results here.
04-06-2016 07:26 AM
Vivado 2015.4 is showing same behaviour for me, simulation process runs over a signle processor,
code compilation is performed using all the available processors, but simulation utilizes only one core.
I am running vivado on ubuntu 14.04 LTS
04-21-2016 03:43 PM
Vivado 2016.1 P&R runs about 4x slower than Vivado 2015.2. It is using all 8 CPUs in my Linux machine. Does anyone know why this is the case?
04-21-2016 09:55 PM
Can you please attach the project archive for us to investigate?