I might also add, that this fix doesn't actually increase your FPS. It has an effect similar to increasing your FPS, but really your FPS was never the problem. This fixes an odd lag issue where your network would be throttled to allow the CPU to do non-network things when CPU starts to bottleneck (indicating you can also fix this by upgrading your CPU). The throttling would cause your network traffic to transmit in extreme ebbes and flows, resulting in a jittering analogous to low FPS.
I know this because while I was suffering the issue, I enabled the FPS meter and it showed a clean 90+ the entire game even though it looked jittery.