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A comment on Parsing Protobuf at 2+GB/S: How I Learned to Love Tail Calls in C. Parent comment

Re:Parsing Protobuf at 2+GB/S: How I Learned to Love Tail Ca... by andreareina on Monday April 26, 2021 @01:38AM (#26939546)
Why is that a problem? I'd figure that a short jump is basically free since the target is likely to be in the instruction cache? Is it an issue of readahead/speculation through multiple jumps?
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