Thanks! As I see you apply it to the first element of x as in volk_32fc_something_32fc(&x[0], ...);. I want to multiply the whole vector like as a inner product of two vectors. Is it possible?
- NE Четверг, 20 марта 2014, 10:28 -04:00 от Tom Rondeau <t...@trondeau.com>: >On Thu, Mar 20, 2014 at 10:09 AM, Aditya Dhananjay < adi...@cs.nyu.edu > wrote: >> I had the same question. Thanks! :) > >One thing that I forgot to mention is that VOLK is written purely in >C, so C++ vectors as-is won't work. You need to index them, but >luckily, std::vector's are guaranteed to be contiguous in memory when >indexed. > >In other words: > >std::vector<gr_complex> x; >volk_32fc_something_32fc(&x[0], ...); > >Tom > > > >> On Thu, Mar 20, 2014 at 10:07 AM, Tom Rondeau < t...@trondeau.com > wrote: >>> >>> On Thu, Mar 20, 2014 at 7:05 AM, Nasi < nesaz...@mail.ru > wrote: >>> > Hi all, >>> > >>> > I am using ubuntu 13.04, GNUradio 3.7. >>> > I have a question related to VOLK library. >>> > >>> > When I create a vector, lets say: >>> > >>> > vector<gr_complex> y1; >>> > >>> > Can I multiply this vector to another vector using VOLK? >>> > Is there any good documentation for this? >>> > >>> > -- >>> > NE >>> >>> Myself and Nick McCarthy have published and presented on VOLK. Here's >>> a pretty good overview video of using it: >>> http://www.trondeau.com/blog/2013/6/12/nearly-50-minutes-of-volk.html >>> >>> To answer your question, yes, building a vector like that is >>> acceptable for use with volk kernels as long as you are using the >>> correct data types. Be aware of alignment requirements, though, which >>> the link above explains. >>> >>> Tom >>> >>> _______________________________________________ >>> Discuss-gnuradio mailing list >>> Discuss-gnuradio@gnu.org >>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >>> >> -- NE
_______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
