Intel has responded to concerns that its software-based fixes for Spectre and Meltdown are hampering CPU performance. A future patch coming through Microsoft's servers will offload memory scanning to the iGPU
https://www.notebookcheck.net/Intel-plans-to-offload-CPU-malware-scanning-to-iGPUs-in-new-Spectre-Meltdown-fix.299378.0.html