An absolutely stupifying amount of die area is dedicated to it on x86.
Yep. For example, on this die shot of a Skylake-X core,[0] you can see the branch predictor is about the same area as a single vector execution port (about 8% of the non-cache area).
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Yep. For example, on this die shot of a Skylake-X core,[0] you can see the branch predictor is about the same area as a single vector execution port (about 8% of the non-cache area).
[0]: https://twitter.com/GPUsAreMagic/status/1256866465577394181