On Sat, Feb 18, 2012 at 1:05 PM, Tom Rondeau <t...@trondeau.com> wrote:

> On Fri, Feb 17, 2012 at 6:04 PM, Nowlan, Sean <sean.now...@gtri.gatech.edu
> > wrote:
>
>>  Don’t know how helpful these are, but here you go.****
>>
>> ** **
>>
>> Sean
>>
>
> Sean,
> It looks like a couple of functions are failing from the stdout:
>
> volk_32fc_s32f_magnitude_16i_a: fail on arch orc
> volk_32fc_x2_multiply_32fc_a: fail on arch orc
>
> These are both the Orc implementations of the functions, which seem to
> work fine on my Intel processors. I don't have access to an OSX box or an
> E100, so I can't really test this out. The files you sent me don't (appear
> to) tell me what the real problem is.
>
> We'll need some other brave soul out there who can dig into these issues
> on the platforms for us.
>

Those are functions I wrote, so they're my problem. =) I'll hack on it this
week. What's strange is I absolutely validated them on Orc before
committing them... Sean, what version of Orc are you running on your E100?

--n


>
> Thanks,
> Tom
>
>
>
>
>> *From:* trond...@trondeau.com [mailto:trond...@trondeau.com] *On Behalf
>> Of *Tom Rondeau
>> *Sent:* Friday, February 17, 2012 5:25 PM
>> *To:* Nowlan, Sean
>> *Cc:* Nick Foster; discuss-gnuradio@gnu.org
>>
>> *Subject:* Re: [Discuss-gnuradio] Using volk in Mac: test report****
>>
>> ** **
>>
>> On Fri, Feb 17, 2012 at 5:11 PM, Nowlan, Sean <
>> sean.now...@gtri.gatech.edu> wrote:****
>>
>> I built Tom’s safe_align branch on E100 and ran volk_profile. It
>> segfaulted on “RUN_VOLK_TESTS:volk_32fc_s32fc_multiply_32fc_a. I’ll get a
>> stack trace for you.****
>>
>>  ****
>>
>> Sean****
>>
>> ** **
>>
>> Really interesting that it's the same block. Hopefully, it's a single,
>> simple fix. I'll look into it when you can get me the stack trace.****
>>
>> ** **
>>
>> Thanks for reporting!****
>>
>> Tom****
>>
>> ** **
>>
>>  ****
>>
>>   ****
>>
>> *From:* discuss-gnuradio-bounces+sean.nowlan=gtri.gatech....@gnu.org[mailto:
>> discuss-gnuradio-bounces+sean.nowlan=gtri.gatech....@gnu.org] *On Behalf
>> Of *Tom Rondeau
>> *Sent:* Friday, February 17, 2012 2:33 PM
>> *To:* Nick Foster
>> *Cc:* discuss-gnuradio@gnu.org
>> *Subject:* Re: [Discuss-gnuradio] Using volk in Mac: test report****
>>
>>  ****
>>
>> On Fri, Feb 17, 2012 at 2:30 PM, Nick Foster <n...@ettus.com> wrote:****
>>
>> On Fri, Feb 17, 2012 at 11:20 AM, Carles Fernandez <
>> carles.fernan...@gmail.com> wrote:****
>>
>> Thanks for the inputs!
>>
>> We are interested in determining the best architecture at instantation
>> time. What would be the best strategy? We though about running the
>> same operations several times for each architecture, measure the
>> results and use the fastest one for the processing blocks. Would this
>> be the right approach?****
>>
>>  ****
>>
>> Carles,****
>>
>>  ****
>>
>> Run volk_profile. It does exactly what you said, and writes the results
>> to ~/.volk/volk_config. Volk reads this file when it is involked (sorry) to
>> determine which particular function to execute. So all you do is run
>> volk_profile once on any given machine, and it's optimized.****
>>
>>  ****
>>
>> --n****
>>
>>  ****
>>
>> Carles,****
>>
>> This is discussed on the webpage:****
>>
>> http://gnuradio.org/redmine/projects/gnuradio/wiki/volk****
>>
>>  ****
>>
>> We'll be updating this as things progress with Volk, but the profiler
>> info is there already.****
>>
>>  ****
>>
>> Tom****
>>
>>  ****
>>
>>  ** **
>>
>
>
_______________________________________________
Discuss-gnuradio mailing list
Discuss-gnuradio@gnu.org
https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Reply via email to