Yes, that's correct. Cheers, Jason
On Thu, Mar 9, 2023 at 9:44 AM Jonathan Kang <mos...@meta.com> wrote: > I think I’d want the opposite: to get ELFies out of Gem5 CheckPoints. > That’ll allow me to run it on an ARM Cycle Model. > > > > From the links you sent, it’s still Pin based and the resulting ELFies are > x86 right? I’d want to do this for ARM. > > > > *From: *Jason Lowe-Power <ja...@lowepower.com> > *Date: *Thursday, March 9, 2023 at 8:15 AM > *To: *Giacomo Travaglini <giacomo.travagl...@arm.com> > *Cc: *Jonathan Kang <mos...@meta.com>, The gem5 Users mailing list < > gem5-users@gem5.org> > *Subject: *Re: [gem5-users] Capturing SimPoint and running on ARM > CycleModel > > Hi Jonathan, We just did a tutorial on how to use ELFies with gem5. See > https: //looppoint. github. io/hpca2023/ for details. We are able to load > ELFies and run them in gem5. See https: //github. > com/gem5-hpca-2023/gem5-tutorial-codespace/blob/master/elfie-refs/elfie. py > > ZjQcmQRYFpfptBannerStart > > *This Message Is From an Untrusted Sender * > > You have not previously corresponded with this sender. > > ZjQcmQRYFpfptBannerEnd > > Hi Jonathan, > > > > We just did a tutorial on how to use ELFies with gem5. See > https://looppoint.github.io/hpca2023/ for details. > > > > We are able to load ELFies and run them in gem5. See > https://github.com/gem5-hpca-2023/gem5-tutorial-codespace/blob/master/elfie-refs/elfie.py > for an example. > > > > That said, we currently only support ELFies generated by the Sniper > simulator. If you want details on how to do that, you'll have to check out > the looppoint documentation above or contact the looppoint/ELFie authors. > > > > Cheers, > > Jason > > > > On Thu, Mar 9, 2023 at 12:31 AM Giacomo Travaglini < > giacomo.travagl...@arm.com> wrote: > > Hi Jonathan, > > > > On 08/03/2023 17:47, Jonathan Kang wrote: > > Thanks Giacomo, > > > > A few questions: > > > > 1. Who is Jason? So that I can contact him 😊 > > > > Jason Lowe-Power, here CCed > > > > > > 1. Regarding ELFie, I found these: > > > 1. > > https://github.com/UT-LCA/Scalability-Phase-Simpoint-of-SPEC-CPU2017/releases > 2. https://github.com/intel/pinball2elf > > > > #2 would seem to be able to generate ELFies from the x86 pinballs that > were captured. However, I’m unfamiliar with how ELFies work. Do they still > capture state and thus need to inject processor state prior to simulation? > In which case the problem still exists that the ARM Cycle Model is > incompatible…. > > > > The ELFie methodology generates guest bootcode which injects the > architectural state before the beginning of the SimPoint > > > > Kind Regards > > > > Giacomo > > > > > > Thanks, > > > > Jonathan. > > > > *From: *Giacomo Travaglini <giacomo.travagl...@arm.com> > <giacomo.travagl...@arm.com> > *Date: *Wednesday, March 8, 2023 at 6:26 AM > *To: *The gem5 Users mailing list <gem5-users@gem5.org> > <gem5-users@gem5.org> > *Cc: *Jonathan Kang <mos...@meta.com> <mos...@meta.com> > *Subject: *Re: [gem5-users] Capturing SimPoint and running on ARM > CycleModel > > Hi Jonathan On 08/03/2023 01: 43, Jonathan Kang via gem5-users wrote: Hi > all, I’m attempting to get SPEC 2k17 to run on our performance model that > uses an ARM Cycle Model (A55). Obviously it’d take forever to run the whole > binary so I was wondering > > ZjQcmQRYFpfptBannerStart > > *This Message Is From an External Sender * > > ZjQcmQRYFpfptBannerEnd > > Hi Jonathan > > On 08/03/2023 01:43, Jonathan Kang via gem5-users wrote: > > Hi all, > > > > I’m attempting to get SPEC 2k17 to run on our performance model that uses > an ARM Cycle Model (A55). Obviously it’d take forever to run the whole > binary so I was wondering if anyone has had experience capturing SimPoints > using Gem5 and then running the resulting reduced binary on a Cycle Model. > I know you can do it easily on Gem5 simple CPU in SE mode but I need it to > work with our more accurate model. > > > > You can easily generate SimPoints with gem5 as you correctly said. The > problem is the checkpoint incompatibility between gem5 and Cycle Model. > (restoring the gem5 checkpoint from the CA simulator). > > It would be nice if we could generate an ELFie [1] from a gem5 checkpoint. > As I have recently seen some commits mentioning ELFies you could ask Jason > and his group if there's something going on... > > > > Kind Regards > > > > Giacomo > > > > [1]: https://dl.acm.org/doi/abs/10.1109/CGO51591.2021.9370340 > > > > > > Thanks in advance! > > > > Jonathan Kang. > > > > _______________________________________________ > > gem5-users mailing list -- gem5-users@gem5.org > > To unsubscribe send an email to gem5-users-le...@gem5.org > > 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. > > 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. > >
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