Thanks Andreas! :)
Amin
On Mon, Jul 29, 2013 at 12:56 AM, Andreas Hansson
<andreas.hans...@arm.com>wrote:
> Hi all,
>
> We have got a fix, but for now I will commit a change that turns it into
> a warning instead of a fatal. I don't want Amin to have to rebase his patch
> (again) :-)
>
> Andreas
>
> From: Amin Farmahini <amin...@gmail.com>
> Reply-To: gem5 users mailing list <gem5-users@gem5.org>
> Date: Monday, July 29, 2013 5:44 AM
> To: gem5 users mailing list <gem5-users@gem5.org>
> Subject: Re: [gem5-users] Is it right sanity check in simple_dram.cc??
>
> I have got that panic error a few times so far when the running
> application is memory-intensive with low temporal locality.
> I could not figure out why this panics, but I don't think they consider
> only first and last activations. A list of past X activations is kept,
> where X is the maximum number of allowed activations in a rolling window.
> The size of actTicks is always X.
> Anyway, I agree with you that this should be fixed, but if I understand
> you right, your solution does not work.
>
> Thanks,
> Amin
>
>
>
> On Sun, Jul 28, 2013 at 10:24 PM, 임종범 <limjong...@gmail.com> wrote:
>
>> I'm using gem5 to simulate multi-core (or multi-cpu) environment, but I
>> got error about dram activate sanity check.
>> There is recordActivate (Tick act_tick) module In simple_dram.cc. In that
>> module, gem5 did sanity check.
>> It is true that in same DRAM device, it can't activate X times in tXAW.
>> But gem5 do not care the number of activate operations, only consider first
>> and last activation time.
>> I think, it need to check the number of activation operations too. Like
>> this,
>>
>> void
>> SimpleDRAM::recordActivate(Tick act_tick)
>> {
>> ...
>> // sanity check
>> if ( actTick.size() == activationLimit-1) {
>> if (actTicks.back() && (act_tick - actTicks.back()) < tXAW) {
>> panic("Got %d activates in window %d (%d - %d) which is
>> smaller "
>> "than %d\n", activationLimit, act_tick - actTicks.back(),
>> act_tick, actTicks.back(), tXAW);
>> }
>> }
>> ...
>> }
>>
>> Please help me.
>>
>>
>> _______________________________________________
>> gem5-users mailing list
>> gem5-users@gem5.org
>> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
>>
>
>
> -- 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-users mailing list
> gem5-users@gem5.org
> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
>
_______________________________________________
gem5-users mailing list
gem5-users@gem5.org
http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
