+2, +1, Merged 😊
Giacomo > -----Original Message----- > From: Gabe Black via gem5-dev <gem5-dev@gem5.org> > Sent: 27 February 2021 10:13 > To: gem5 Developer List <gem5-dev@gem5.org> > Cc: Gabe Black <gabe.bl...@gmail.com> > Subject: [gem5-dev] de-templating the O3 CPU > > Hi folks. The O3 CPU uses templates pretty heavily, I think nominally to make > it > possible to switch in different parts of the CPU to change how, for example, a > pipeline stage is implemented. > > Realistically, the different parts of the CPU are probably too interdependent > for that to actually work, and all the templates and indirection make the > code a > lot more complicated than it really needs to be. > > Also, there is a pseudo-generic dynamic instruction base class in > cpu/base_dyn_inst.hh which could, again theoretically, be used as a base class > for other CPUs to reuse. Unfortunately that too is probably too tied to its > only > consumer, the O3 CPU, to be realistically reusable. > > I would like to merge the base dynamic instruction class into the O3 version, > and then de-templatize the whole O3 CPU. I think that will make the code a lot > easier to work on, and I think our ability to maintain and update O3 is > something we need to improve in at least the medium term. > > Any thoughts? Objections? Votes of support? > > Gabe IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you. _______________________________________________ gem5-dev mailing list -- gem5-dev@gem5.org To unsubscribe send an email to gem5-dev-le...@gem5.org %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s
