Re: [Jack-Devel] smallest embedded platform for Jack

On Tue, April 29, 2014 12:45 am, Leonardo Gabrielli wrote:
> Dear Patrick,
> I built jack from the latest git on a armhf platform I'm currently using
> with both the defaults and with  --ports-per-application=8 --clients=8
> but obtained no change in virtual memory used by jackd2 at runtime.
>
>
> Detail:
> ./waf configure --prefix=/usr --classic
> --libdir=/usr/lib/arm-linux-gnueabihf --alsa --ports-per-application=8
> --clients=8
>
> ./jackd -P62 -t2000 -dalsa -dhw:0 -r48000 -p128 -n2 -s -i4 -o4 &
>
> cat /proc/4967/status:
>
> VmPeak:       92908 kB
> VmSize:       92908 kB
> VmLck:       80356 kB
> VmPin:           0 kB
> VmHWM:       89028 kB
> VmRSS:       89028 kB
> VmData:        8424 kB
> VmStk:         136 kB
> VmExe:          16 kB
> VmLib:        3476 kB
> VmPTE:          98 kB
> VmSwap:           0 kB
> Threads:    4
>
> Same goes if I run the default version. Maybe I got something wrong?
>


You might have to disable specific features you are not using at compile
time or directly in the code.

ex. Firewire, oss, beos, solaris, netjack...






> Leonardo
>
>
> On 18/04/2014 00:06, [hidden] wrote:
>> From: "Patrick Shirkey"<[hidden]>
>> To:[hidden]
>> Subject: Re: [Jack-Devel] smallest embedded platform for Jack
>> Message-ID:
>> 	<[hidden]>
>> Content-Type: text/plain;charset=iso-8859-1
>>
>>
>> On Thu, April 17, 2014 6:06 am, Leonardo Gabrielli wrote:
>>> >Hi all,
>>> >I'm trying to see whether I can fit Jack into a rather simple ARM
>>> >processor, and I was wondering the smallest embedded system people
>>> >managed to compile and run Jack into.
>>> >
>>> >My hypothetical platform is an armel (no floating point unit) with
>>> 64MB
>>> >RAM, low speed (4-500MHz).
>>> >So far the biggest issue is RAM: my target system only has 64MB and
>>> Jack
>>> >asks for 80-90MB usually.
>> Did you try decreasing the number of ports. IIRC, the default is 256.
>>
>
>
> --
>
> Dr. Leonardo Gabrielli, PhD student
> A3Lab - Dept. Information Engineering
> Università Politecnica delle Marche
> via Brecce Bianche 12, 60131, Ancona, Italy
> Skype: leonardo.gabrielli
> Web: a3lab.dii.univpm.it/people/leonardo-gabrielli
> <http://a3lab.dii.univpm.it/people/leonardo-gabrielli>
>


--
Patrick Shirkey
Boost Hardware Ltd

1399192333.31295_0.ltw:2, <60818.86.107.254.57.1399192391.squirrel at boosthardware dot com>