yade-dev team mailing list archive

[Anton Gladky <gladky.anton@xxxxxxxxx>]

It is already possible to start regular-sphere-pack.py, it generates
spheres, facets etc..
But "Segmentation fault" appears after simulation start :(

______________________________

Anton Gladkyy


2010/2/26 Anton Gladky <gladky.anton@xxxxxxxxx>

> Vaclav, could  you not advice me, these errors somewhere in wrapper?
> ______________________________
>
>
> Anton Gladkyy
>
>
> 2010/2/26 Anton Gladky <gladky.anton@xxxxxxxxx>
>
> Now we have just 2 problem places in tt.py:
>>
>> assertSeqAlmostEqual(q1*x,y)
>> assertSeqAlmostEqual(q1*q1*x,-x)
>>
>> r58
>> ______________________________
>> Anton Gladkyy
>>
>>
>> 2010/2/21 Anton Gladky <gladky.anton@xxxxxxxxx>
>>
>> Hi, Vaclav!
>>>
>>> I have some progress on tt.py, but I have not resolved the problem
>>> completely.
>>> I have found some "problem" places in those script and marked them. It is
>>> there just 5 ones.
>>> tt.py is in rev.56 now. Could you not check it? What can you advise?
>>>
>>> Thank you
>>> ______________________________
>>>
>>> Anton Gladkyy
>>>
>>>
>>> 2010/2/19 Václav Šmilauer <eudoxos@xxxxxxxx>
>>>
>>>
>>>> > I tried to disable vectorization by both ways, indicated on the
>>>> > webpage. But it didn't help. I still have crash.
>>>> > But I think it is not the same, like you had, right?
>>>> Yes, this one is real crash, whereas I had assertion failuer (in case of
>>>> the tt.py script I sent lastly). This looks as if vectorization weren't
>>>> disabled, though:
>>>> > #4  <signal handler called>
>>>> > #5  0x00007f1bec85586b in _mm_store_pd (x=0x7fff72cdb030)
>>>> > at /usr/lib/gcc/x86_64-linux-gnu/4.4.1/include/emmintrin.h:148
>>>> > #6  ei_pstore<double, double __vector__> (x=0x7fff72cdb030)
>>>> > at /usr/include/eigen2/Eigen/src/Core/arch/SSE/PacketMath.h:110
>>>> emmintrin.h is sse2-specific header (judging by comments at the
>>>> beginning of that file), and it shouldn't be used at all if you disable
>>>> vectorization.
>>>>
>>>> Sorry, I don't have the answer here and I wish you good luck finding the
>>>> problem. I might try monday, I have to write an exam paper deadlines
>>>> sunday evening.
>>>>
>>>> Cheers, Vaclav
>>>>
>>>>
>>>>
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>>>
>>>
>>
>