Re: [boost] SIMD implementation of uBLAS

Subject: Re: [boost] SIMD implementation of uBLAS
From: Aditya Avinash (adityaavinash143_at_[hidden])
Date: 2013-05-29 02:35:24

Am sorry. My bad. It's boost.simd. Why isn't it included in boost? I have
heard about it recently. Is there a chance that it is added to boost in the
near future?

On Wed, May 29, 2013 at 11:57 AM, Karsten Ahnert <
karsten.ahnert_at_[hidden]> wrote:

> On 05/29/2013 07:33 AM, Aditya Avinash wrote:
>
>> @Gaetano: Thank you for the comments. I'll change accordingly and post it
>> back. I am using T because, the code need to run double precision float
>> also.
>> @Joel: The Boost.SIMD is generalized. Designing algorithms specific to
>> uBLAS increases the performance. Odeint have their own simd backend.
>>
>
> odeint has no simd backend, At least i am not aware of an simd backend.
> Having one would be really great.
>
>
>
>> On Wed, May 29, 2013 at 10:36 AM, Joel Falcou <joel.falcou_at_[hidden]>
>> wrote:
>>
>>  On 29/05/2013 06:45, Gaetano Mendola wrote:
>>>
>>>  On 29/05/2013 06.13, Aditya Avinash wrote:
>>>>
>>>>  Hi, i have developed vector addition algorithm which exploits the
>>>>> hardware
>>>>> parallelism (SSE implementation).
>>>>>
>>>>>
>>>> A few comments:
>>>>
>>>> - That is not C++ but just C in disguise of C++ code
>>>> . SSE1 CTOR doesn't use initialization list
>>>> . SSE1 doesn't have a DTOR and the user has to
>>>> explicit call the Free method
>>>>
>>>> - const-correctness is not in place
>>>> - The SSE namespace should have been put in a "detail"
>>>> namespace
>>>> - Use memcpy instead of explicit for
>>>> - Why is SSE1 template when it works only when T is a
>>>> single-precision, floating-point value ?
>>>>
>>>>
>>>> Also I believe a nice interface whould have been:
>>>>
>>>> SSE1::vector A(1024);
>>>> SSE1::vector B(1024);
>>>> SSE1::vector C(1024);
>>>>
>>>> C = A + B;
>>>>
>>>>
>>>> Regards
>>>> Gaetano Mendola
>>>>
>>>>
>>>>  See our work on Boost.SIMD ...
>>>
>>>
>>>
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>>
>>
>
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-- 
----------------
Atluri Aditya Avinash,
India.