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**** >> >> **** >> >> ** ** >> > >
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