Hi, Romulo.

It is the problem with X86.

Anderson

On Mon, Jul 23, 2012 at 12:22 AM, Romulo Curty Cerqueira <cu...@ieee.org>wrote:

> Hi Anderson
>
> I think that now I understand your question because I have tried to
> simulate the "hello" test program (that comes with GEM5) using gem5.opt for
> the first time at FS Alpha and FS x86, and the surprising results are:
>
> Architecture      Simulation Time(*)
> ----------------------------------------------
>     ARM 4 CPUs         66m50.399s
>  ALPHA 1 CPU        >749m39.720s (unfinished)
>     X86 1 CPU        >675m49.498s (unfinished)
> ----------------------------------------------
>
> (*) All tests running "alone" at same [Intel i7 Extreme]@[3.33GHz+16GB
> RAM] machine.
>
> It is really a strange FS behavior and I don't know how to explain that.
> Maybe the disk images (provided by GEM5 download page) are not lightweight
> enough to provide a good comparison between simulation time for these
> architectures running at FS mode. But I'm not sure if it could be the main
> reason.
>
> Regards
>
> Romulo
>
>
> On Tue, Jul 17, 2012 at 12:58 PM, Anderson Faustino <
> andersonfaust...@gmail.com> wrote:
>
>> Hi, Romulo.
>>
>> I didn't explain correct my problem, in my last message. There is no
>> problem with ALPHA.
>>
>> But, X86 doesn't boot with 4 O3CPU, the other cpus work fine, but 03CPU
>> doesn't.
>>
>> Yesterday, I started a boot:
>>
>> ----------------
>> build/X86/gem5.opt configs/example/fs.py
>> --kernel=x86_64-vmlinux-2.6.22.9.smp --cpu-type=detailed --l2cache --caches
>> --script=run.sh -n 4
>> ----------------
>>
>> And until now it didn't finish. The process is stopped in:
>>
>> Initializing CPU#3
>> Calibrating delay loop (skipped)... 3999.96 BogoMIPS preset
>> CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
>> CPU: L2 Cache: 1024K (64 bytes/line)
>> Fake M5 x86_64 CPU stepping 01
>> Brought up 4 CPUs
>> migration_cost=16
>>
>> Until now, it took 1173 minutes.
>>
>> I really want to understand: why doesn't a configuration with 4 O3CPU
>> boot the system? But other works fine.
>>
>> Thanks.
>>
>
>
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