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by dzaima
622 days ago
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As far as everything on uops.info goes, ternlog has the same throughput and latency as the two-operand logic instructions everywhere (with the mild exception of Zen 4 where it goes from 0.50 to 0.56 cycles/instr; which also shows as having 2-cycle latency to one operand but I think that might be measurement error), so it's always bad to decompose ternlog into two two-operand logic ops. |
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