What do you prefer for quant modeling: CPU or GPU?

Here are some interesting perspectives in terms of quant modeling. There was no cloud option.

What do you prefer for quant modeling: CPU or GPU?
I thought cloud would be an option. Or maybe cloud is way to expensive?

https://quant.stackexchange.com/questions/71440/what-do-you-prefer-for-quant-modeling-cpu-or-gpu

Portfolio construction for almost identical assets
https://quant.stackexchange.com/questions/71436/portfolio-construction-for-almost-identical-assets

Linear regression from scratch! numpy/pandas/vectorisation

Wow! This could be very useful for newbies out there
https://www.reddit.com/r/Python/comments/vnlkmb/linear_regression_from_scratch/

Protect your wealth https://quantlabs.net/banking/