[PD] Pd on ARM devices
Hans-Christoph Steiner
hans at at.or.at
Thu Mar 1 16:26:34 CET 2012
dmotd has started ported Gem to GLES 2.0. Its not the same as regular OpenGL, so Gem currently doesn't work with it.
.hc
On Mar 1, 2012, at 7:20 AM, dreamer wrote:
> Well, I have a pandora and the buildtools for crosscompiling to it. I
> could also compile on the pandora, but it's based on OpenEmbedded (or
> actually Ångström).
> Do you think GLES2.0 is good enough to run GEM?
>
> Alexander
>
>
>
> On Thu, Mar 1, 2012 at 4:17 PM, Hans-Christoph Steiner <hans at at.or.at> wrote:
>>
>> If you have Debian running on the Beagleboard, building Pd-extended should just be a matter of following the standard Debian instructions. Start with BuildingPdExtended on puredata.info.
>>
>> .hc
>>
>> On Mar 1, 2012, at 1:36 AM, dreamer wrote:
>>
>>> I'm not sure how easy it is to generalize ARM platforms though. The
>>> processor in the RasPi is an ARM11, compared to for instance the
>>> Cortex-A found in beagleboards and other devices it has quite a
>>> reduced instruction set and doesn't support stuff like NEON, which can
>>> be very beneficial for media applications (not sure if Pd could make
>>> use of it though).
>>>
>>> Talking about ARM personally, I'm interested in getting PD and Gem
>>> (preferably pd-extended) running on the Pandora, which has a Cortex-A8
>>> like the beagleboard. I have tried the debian package here
>>> http://enchevetres.org/doku.php?id=tek:puredata inside the pandebian
>>> program (a chroot to run debian packages for the pandora os), but the
>>> program was completely unusable.
>>>
>>> If anyone has success getting pd-extended compiled for Cortex-A8 from
>>> source I'm very much interested in any tips.
>>>
>>>
>>> Alexander
>>>
>>>
>>>
>>> On Thu, Mar 1, 2012 at 9:41 AM, Pierre Massat <pimassat at gmail.com> wrote:
>>>> Thank you all for your encouraging replies.
>>>>
>>>> @Scott : I 'm also wondering what the Pi is capable of dsp-wise.
>>>> @Charles : I don't know the power of the dark side, but I'm dying to learn
>>>> more about it!
>>>>
>>>> I guess we'll continue this thread when one of us managed to get his hand on
>>>> a Pi.
>>>>
>>>> Pierre.
>>>>
>>>>
>>>> 2012/3/1 Hans-Christoph Steiner <hans at at.or.at>
>>>>>
>>>>>
>>>>> There are some fedora packages of pd floating around. It would be great
>>>>> for someone to update them and include them in the pure-data SVN or some
>>>>> repo somewhere. Also, if someone makes a fedora package .spec file for the
>>>>> Library Template, it'll be really easy to package lots of other libraries
>>>>> for Fedora.
>>>>>
>>>>> If you get Debian running on the Pi, then just apt-get install puredata.
>>>>>
>>>>> .hc
>>>>>
>>>>> On Feb 29, 2012, at 1:15 PM, Scott R. Looney wrote:
>>>>>
>>>>> i figure it won't be too long before nearly everyone including planet
>>>>> CCRMA has a build going specifically for the Pi. there' s a very good chance
>>>>> the Pi Foundation can license the design to other makers, so by May or so
>>>>> i'd bet a number of different places will have them in stock. the biggest
>>>>> issue for me is how much DSP performance you get out of something whose
>>>>> speed matches the iPhone 3GS. the awesome thing would be to put their
>>>>> display engine to work doing DSP but i think that's a long way down the line
>>>>> if ever due to the limited API access. i started a thread about this a bit
>>>>> ago and if i remember, the falling down point of ARM was that it didn't
>>>>> handle floating point well. i'd be curious how much these devices could be
>>>>> pushed.
>>>>>
>>>>> scott
>>>>>
>>>>>
>>>>> On Wed, Feb 29, 2012 at 1:01 PM, Charles Henry <czhenry at gmail.com> wrote:
>>>>>>
>>>>>> On Wed, Feb 29, 2012 at 12:39 PM, Pierre Massat <pimassat at gmail.com>
>>>>>> wrote:
>>>>>>>
>>>>>>>
>>>>>>> 2012/2/29 Charles Henry <czhenry at gmail.com>
>>>>>>>>
>>>>>>>> On Wed, Feb 29, 2012 at 10:06 AM, Pierre Massat <pimassat at gmail.com>
>>>>>>>> wrote:
>>>>>>>>> Dear List,
>>>>>>>>>
>>>>>>>>> I'm planning to buy a Raspberry Pi sometime soon, and I'd like to
>>>>>>>>> know
>>>>>>>>> the
>>>>>>>>> implications of the ARM11 chip on the use of Pd.
>>>>>>>>> I know nothing about the differences in architectures, so i'd like
>>>>>>>>> to
>>>>>>>>> know :
>>>>>>>>> - why an ARM chip would be a problem for compiling, installing and
>>>>>>>>> running
>>>>>>>>> Pd,
>>>>>>>>
>>>>>>>> It's not a problem--Pd compiles and runs on the arm architecture.
>>>>>>>> Android devices for example have arm processors. Debian pure data
>>>>>>>> packages are available for arm.
>>>>>>>
>>>>>>>
>>>>>>> That's good news! I suppose Debian packages can't be installed in
>>>>>>> Fedora,
>>>>>>> can they?
>>>>>>
>>>>>> No--planet CCRMA has some i386 pd packages, but not arm. If you want
>>>>>> to run Fedora and Pd, you will need to compile it. If only you knew
>>>>>> the power of the dark side, and by dark side, I mean Debian.
>>>>>>
>>>>>> If you didn't get your pre-order in time for this batch, you'll have
>>>>>> to wait a month, I bet. By the time I got to work this morning, it
>>>>>> was too late.
>>>>>>
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>>>>>
>>>>>
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>>>>>
>>>>>
>>>>> ----------------------------------------------------------------------------
>>>>>
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>>>>>
>>>>>
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>>
>>
>> ----------------------------------------------------------------------------
>>
>> You can't steal a gift. Bird gave the world his music, and if you can hear it, you can have it. - Dizzy Gillespie
>>
>>
>>
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