Question Internet Throttling when system runs cpu or gpu demanding software

[Kablien]

I am having an issue with my network where my 100 Mbps network throttles to an 8 Mbps average and the worst case is that upload speed dips to 0.2 Mbps. This issue happens whenever I run CPU or GPU heavy software like Solidworks, Ansys, adobe, and even offline games.

The speed obtained during normal CPU or GPU usage:

The speed obtained during heavy CPU or GPU usage:

In dire need of help for solving this weird problem.

 

[punkncat]

Are you sure this isn't a result of the load on the CPU, rather than really an issue with your ISP?
Check connection speed from another device while the load is on the PC.

 

[kanewolf]

Speedtest requires CPU cycles to generate and receive data. If your CPU is 100% busy with other tasks, I am not surprised that your "tests" show diminished capacity.