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Re: [Discuss-gnuradio] Speed Optimization and Application for ATSC Recei
Re: [Discuss-gnuradio] Speed Optimization and Application for ATSC Receivers
Sun, 06 Mar 2016 16:47:01 -0500
On Sun, 2016-03-06 at 16:33 -0500, West, Nathan wrote:
> On Sun, Mar 6, 2016 at 4:08 PM, Andy Walls
> <address@hidden> wrote:
> 4. Create volk kernels to replace the main operations in the
> functions of these blocks, if you can. Since adding a
> constant is so
> simple, and ORC is very good about optimizing simple things,
> the volk
> implementations should include an ORC implementation if
> possible. Odds
> are the ORC implementation will beat hand-written SIMD
> versions for x86
> processors. Use volk_profile to prove my guess about ORC
> right or
> wrong. :)
> I disagree to that point that the next time ORC makes me sad I'm going
> to rage-delete it from ORC (kidding).
> It's an OK starting point for some kernels, but comes with it's own
> learning curve on top of everything else in VOLK.
Yes, very true.