![]() The execution resources were not performant and were not meant to be as the world moved on to SSE and later AVX. You can see this clearly in that the 5600X in your own data is almost twice as fast as the 3600X - on Zen 2 and older, AMD had a half-assed (really, quarter-assed) x87 implementation designed only to support it for legacy applications. SuperPi evidently is still bogged down by legacy x87 instructions from the 1980s. What this means is that "Gracemont" has an IPC roughly comparable to AMD's "Zen 2" in math-intensive, low-bandwidth workloads." Here we see the single "Gracemont" E-core achieve a score on-par with the Ryzen 3 3300X. "SuperPi is arguably one of the best tests for IPC in a math-intensive environment that's not too encumbered with streaming data. Nothing but respect for W1zzard but I have to strongly disagree with a part of the conclusion.
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