Hi, Based on my understanding of O3CPU, I think your assumption is correct. However, probably parameters like issueWidth and wbWidth can be used to control maximum register read/writes indirectly.
-Ayaz On Tue, Jan 17, 2023 at 3:32 AM pedro--- via gem5-users <gem5-users@gem5.org> wrote: > Hi, > > I'm trying to check the influence of the number of read and write register > file ports on the maximum IPC achieved by the OoO model. However, I could > not find any parameter that models the number of register file ports. Is > there any? > > For example, in none of the methods chain: readIntRegOperand (dyn_inst.hh) > -> readIntReg (cpu.hh) -> readIntReg (regfile.hh) the number of ports is > verified. > > Could anyone confirm if gem5 OoO model assumes there will always be enough > ports to feed all functional units? > > Thank you. > _______________________________________________ > gem5-users mailing list -- gem5-users@gem5.org > To unsubscribe send an email to gem5-users-le...@gem5.org >
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