Discuss Impact Branch Predictor Effectiveness Spectre Attack Gpus Vulnerable Meltdown Spec Q37097557

1. Discuss the impact of the branch predictor on the effectivenessof a Spectre attack.
2. Are GPUs vulnerable to Meltdown and Spectre attacks?
3. Is it possible to thwart cache-based covert side-channels thatusually expose a Spectre attack? What microarchitectural changeswould you propose to achieve such a secure design while retainingspeculative execution and its performance advantages?

Answer