Re: AIscm array operations for Scheme

[Jan Wedekind <jan@wedesoft.de>]

I want to do something better than HornetsEye (Ruby library I developed). 
Maybe one can also use it to implement finite element simulations and 
neural networks.

On Thu, 3 Aug 2017, Nala Ginrut wrote:

> Looks promising! What's the plan about AIscm in the future? Is it aiming
> for a library, or something research tool like Sage?
>
> 2017年8月3日 15:23，"Jan Wedekind" <jan@wedesoft.de>写道：
>
>> Thanks.
>> Currently neither. I have in mind to add some LAPACK bindings (singular
>> value decomposition, eigenvalue decomposition, least squares to begin
>> with). First full native floating point support needs to be implemented.
>> Here is an example of a matrix vector product:
>>
>>     (use-modules (aiscm sequence) (aiscm expression) (aiscm tensor))
>>     (tensor i (sum k (* (get (arr (2 3) (5 7)) i k) (get (arr 11 13) k))))
>>     $3 = #<sequence<int<8,unsigned>>>:
>>     (87 124)
>>
>> Floating point values currently fall back on Scheme objects:
>>
>>     (tensor i (sum k (* (get (arr (2 3) (5 7)) i k) (get (arr 1.1 1.3)
>> k))))
>>     $4 = #<sequence<obj>>:
>>     (8.7 12.4)
>>
>> Note that in this case the array loops are still JIT compiled. Addition
>> and multiplication are handled by JIT compiling callbacks into GNU Guile
>> (scm_plus, scm_product).
>>
>> Regards
>> Jan
>>
>>  On Thu, 3 Aug 2017, Nala Ginrut wrote:
>>
>> Nice work!
>>> Do you use BLAS or MKL for vector operation?
>>>
>>>
>>> 2017年8月3日 04:16，"Jan Wedekind" <jan@wedesoft.de>写道：
>>>
>>> Hi,
>>>> I have released a new version of AIscm [1]. A Guile extension for
>>>> numerical arrays and tensors. It now supports convolutions [2] and tensor
>>>> operations [3]. There are packages for different versions of Debian and
>>>> Ubuntu. Also thanks to Andrey Rahmatullin's sponsorship, the package is
>>>> part of Debian Testing [4].
>>>>
>>>> Regards
>>>> Jan
>>>>
>>>> [1] http://wedesoft.github.io/aiscm/
>>>> [2] http://wedesoft.github.io/aiscm/convolution.html
>>>> [3] http://wedesoft.github.io/aiscm/operation.html#tensor-operations
>>>> [4] https://tracker.debian.org/pkg/aiscm
>>>>
>>>>
>>>>
>