Hi, 

This link: http://deeplearning.net/software/theano/install_windows.html
 mentions:

Optional requirements
> GCC compiler with g++ (version >= 4.2.*)


If I installed m2w64-toolchain, do I still need to worry about g++?

Thanks!

On Thursday, March 29, 2018 at 6:38:56 PM UTC-5, Qinpeng Wang wrote:
>
> Hi, 
>
> I have mkl-service package installed via conda, but why do I still get 
> this error message? How can I link Theano with desired BLAS library?
>
> Best, 
> Qinpeng
>
> On Tuesday, November 28, 2017 at 11:59:29 AM UTC-6, Pascal Lamblin wrote:
>>
>> Hi, 
>>
>> Usually, Theano tries to link directly with a BLAS library (MKL, 
>> OpenBlas...) if it is able to detect one, and use it for dot products on 
>> CPU. 
>> If it does not, it uses the fallback of using the C API of numpy 
>> instead, which can be slower and result in more memory copies. 
>>
>> On 2017-11-23 05:00 AM, Mathias Müller wrote: 
>> > 
>> > Hi, 
>> > 
>> > With the newest Theano, I get the following warning: 
>> > 
>> > | 
>> > WARNING (theano.tensor.blas):UsingNumPyC-API based implementation 
>> > forBLAS functions. 
>> > | 
>> > 
>> > What does this message mean? Does that mean there is an alternative to 
>> > Numpy C-API based BLAS functions? 
>> > 
>> > Thanks a lot for your help. 
>> > Mathias 
>> > 
>> > -- 
>> > 
>> > --- 
>> > You received this message because you are subscribed to the Google 
>> > Groups "theano-users" group. 
>> > To unsubscribe from this group and stop receiving emails from it, send 
>> > an email to theano-users...@googlegroups.com 
>> > <mailto:theano-users+unsubscr...@googlegroups.com>. 
>> > For more options, visit https://groups.google.com/d/optout. 
>>
>> -- 
>> Pascal Lamblin 
>>
>
On Thursday, March 29, 2018 at 6:38:56 PM UTC-5, Qinpeng Wang wrote:
>
> Hi, 
>
> I have mkl-service package installed via conda, but why do I still get 
> this error message? How can I link Theano with desired BLAS library?
>
> Best, 
> Qinpeng
>
> On Tuesday, November 28, 2017 at 11:59:29 AM UTC-6, Pascal Lamblin wrote:
>>
>> Hi, 
>>
>> Usually, Theano tries to link directly with a BLAS library (MKL, 
>> OpenBlas...) if it is able to detect one, and use it for dot products on 
>> CPU. 
>> If it does not, it uses the fallback of using the C API of numpy 
>> instead, which can be slower and result in more memory copies. 
>>
>> On 2017-11-23 05:00 AM, Mathias Müller wrote: 
>> > 
>> > Hi, 
>> > 
>> > With the newest Theano, I get the following warning: 
>> > 
>> > | 
>> > WARNING (theano.tensor.blas):UsingNumPyC-API based implementation 
>> > forBLAS functions. 
>> > | 
>> > 
>> > What does this message mean? Does that mean there is an alternative to 
>> > Numpy C-API based BLAS functions? 
>> > 
>> > Thanks a lot for your help. 
>> > Mathias 
>> > 
>> > -- 
>> > 
>> > --- 
>> > You received this message because you are subscribed to the Google 
>> > Groups "theano-users" group. 
>> > To unsubscribe from this group and stop receiving emails from it, send 
>> > an email to theano-users...@googlegroups.com 
>> > <mailto:theano-users+unsubscr...@googlegroups.com>. 
>> > For more options, visit https://groups.google.com/d/optout. 
>>
>> -- 
>> Pascal Lamblin 
>>
>
On Thursday, March 29, 2018 at 6:38:56 PM UTC-5, Qinpeng Wang wrote:
>
> Hi, 
>
> I have mkl-service package installed via conda, but why do I still get 
> this error message? How can I link Theano with desired BLAS library?
>
> Best, 
> Qinpeng
>
> On Tuesday, November 28, 2017 at 11:59:29 AM UTC-6, Pascal Lamblin wrote:
>>
>> Hi, 
>>
>> Usually, Theano tries to link directly with a BLAS library (MKL, 
>> OpenBlas...) if it is able to detect one, and use it for dot products on 
>> CPU. 
>> If it does not, it uses the fallback of using the C API of numpy 
>> instead, which can be slower and result in more memory copies. 
>>
>> On 2017-11-23 05:00 AM, Mathias Müller wrote: 
>> > 
>> > Hi, 
>> > 
>> > With the newest Theano, I get the following warning: 
>> > 
>> > | 
>> > WARNING (theano.tensor.blas):UsingNumPyC-API based implementation 
>> > forBLAS functions. 
>> > | 
>> > 
>> > What does this message mean? Does that mean there is an alternative to 
>> > Numpy C-API based BLAS functions? 
>> > 
>> > Thanks a lot for your help. 
>> > Mathias 
>> > 
>> > -- 
>> > 
>> > --- 
>> > You received this message because you are subscribed to the Google 
>> > Groups "theano-users" group. 
>> > To unsubscribe from this group and stop receiving emails from it, send 
>> > an email to theano-users...@googlegroups.com 
>> > <mailto:theano-users+unsubscr...@googlegroups.com>. 
>> > For more options, visit https://groups.google.com/d/optout. 
>>
>> -- 
>> Pascal Lamblin 
>>
>

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