https://chipsandcheese.com/2023/09/03/hot-chips-2023-sifives-p870-takes-risc-v-further/
SiFive presented their P870 core at Hot Chips 2023. It aims for higher performance than prior SiFive designs, and should sit in the same ballpark as ARM’s Cortex X2 or AMD’s Zen 4c.
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SiFive’s P870 is a six-wide core featuring out-of-order execution.
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We’ll have to wait and see how well this strategy works for RISC-V, because instruction fusion requires the fused instructions to be adjacent. Compilers will have to arrange instructions to make this possible.
Cries in Itanium.
