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Tachyum Gets FreeBSD Running On Their Prodigy ISA Emulation Platform For AI / HPC

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  • #51
    Originally posted by paulpach View Post
    Reorder buffers (AKA instruction queue) ARE registers. You can't address them in software at all, they are internal to the CPU, but they are registers that hold the instruction and its dependencies.
    I went back a few messages, but the relevance of this point was still unclear to me. How ROB entries are implemented is one thing - and yes, of course they're implemented as registers. That's different than talking about the ISA registers, or the shadow registers typically used in an OoO processor.

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