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**** > > ** ** >
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