https://eprint.iacr.org/2017/627

Interesting genuine abstract and links to the paper.
With this little note sleeping at the last:
... """ very efficient full key recovery for RSA-1024. We also provide strong evidence
that the same attack works for RSA-2048 with only moderately more computation."""

Thought attribute=notmuch:
So this is arguably an Von Neumann (bottle neck) "thing" AND an x86 feature.
Though that's like saying water is wet .
Lot more fun here:
https://eprint.iacr.org/curr/