On 08/28/2017 10:48 AM, Pat Riehecky wrote:
> 
> 
> On 08/28/2017 10:43 AM, Orion Poplawski wrote:
>> On 08/28/2017 09:10 AM, Pat Riehecky wrote:
>>>
>>> On 08/28/2017 10:06 AM, Orion Poplawski wrote:
>>>> On 08/16/2017 11:36 AM, Pat Riehecky wrote:
>>>>> Scientific Linux 7.4 BETA x86_64
>>>>>
>>>>> These are notes of the "BETA" release for Scientific Linux 7.4 .
>>>> Are the SRPMS available?  In particular I'm looking for
>>>> atlas-3.10.1-12.el7.  There seems to be an issue with AVX instructions in the
>>>> main package.  Haven't yet had a chance to compare with RHEL.
>>>>
>>> I'm syncing up RC1 right now, so the repodata may not be perfect, but it
>>> should be up at:
>>>
>>> http://ftp.scientificlinux.org/linux/scientific/7x/SRPMS/vendor/atlas-3.10.1-12.el7.src.rpm
>>>
>>>
>>>
>>> And the debuginfo should be up at:
>>>
>>> http://ftp.scientificlinux.org/linux/scientific/7x/archive/debuginfo/atlas-debuginfo-3.10.1-12.el7.i686.rpm
>>>
>>>
>>> http://ftp.scientificlinux.org/linux/scientific/7x/archive/debuginfo/atlas-debuginfo-3.10.1-12.el7.x86_64.rpm
>>>
>>>
>>>
>>>
>>> Let me know if you find anything odd.  We'll leave an extra bit of time on the
>>> RC based on your query.
>>>
>>> Pat
>> So it does appear to be an issue with the SL7.4 rpm.  It has:
>>
>> Dump of assembler code for function cblas_dgemm:
>> ...
>> => 0x00007ffff1543249 <+41>:    vmovsd %xmm0,0x40(%rsp)
>>     0x00007ffff154324f <+47>:    vmovsd %xmm1,0x38(%rsp)
>>
>> While the RHEL7.4 rpm has:
>>
>> Dump of assembler code for function cblas_dgemm:
>> ...
>>     0x00007ffff14e651f <+31>:    movsd  %xmm0,0x38(%rsp)
>>     0x00007ffff14e6525 <+37>:    movsd  %xmm1,0x30(%rsp)
>>
>> vmovsd appears to be an AVX instruction.
>>
>>
>> Simply rebuilding the package on my local machine fixed the issue, so not sure
>> what went wrong with the SL7.4 build.
>>
>>
> 
> I've tossed the rebuilt package up in
> 
> http://ftp.scientificlinux.org/linux/scientific/7rolling/x86_64/os/
> 
> Can I have you give it a double check?
> 
> Pat
> 

Looks like the vmovsd instructions are gone:

# objdump -d /usr/lib64/atlas/lib[st]atlas.so.3 | grep -F vmovsd

Thanks!

-- 
Orion Poplawski
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