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terryf | 5 months ago

Yes, this has been done for a while now, speculative execution + register renaming is how this happens. https://en.wikipedia.org/wiki/Register_renaming

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umanwizard|5 months ago

No, what’s been done for a while is speculatively executing one predicted path, not both paths in parallel.

o11c|5 months ago

Doesn't that only work on one side of the branch though?