Hello again,
Thank you Marcus por looking through my code (and the positive comments).
I have several things to report:
- Pulling from your repo and using volk_32fc_x2_divide_32fc worked
perfectly, and gr-isdbt kept operating as usual.
- Substituting yours with my AVX proto-kernel (plus the alig
Hi Federico
On 15.05.2016 02:40, Federico Larroca wrote:
> That was fast!
Only ten times as fast as the generic, pure C implementation, but thank
you :)
> Thank you very much!
You're welcome :)
> I don't have access to my computer for the weekend, but I'll check it
> as soon as I get back to the U
That was fast! Thank you very much! I don't have access to my computer for
the weekend, but I'll check it as soon as I get back to the University on
tuesday (monday's holiday here).
In any case, I got to halfway implementing the AVX kernel, which I copy
below just for the record... I didn't even go
Hi Federico,
could you have a look at this branch [1] and tell me whether it works
for you? It's SSE3 and AVX only, so far.
Basically, you could
cd /path/to/source/gnuradio/volk
git pull https://github.com/marcusmueller/volk complex_division
cd ../build
make
make install
and use volk_32fc_x2_div
n something anyhow.
>
> best
> Federico
>
> 2016-05-13 15:14 GMT-03:00 Andy Walls <mailto:a...@silverblocksystems.net>>:
>
> On Thu, 2016-05-12 at 16:24 -0400,
> discuss-gnuradio-requ...@gnu.org
> <mailto:discuss-gnuradio-requ...@gnu.org>
>
5-12 at 16:24 -0400, discuss-gnuradio-requ...@gnu.org
> wrote:
> > Date: Wed, 11 May 2016 16:09:56 -0300
> > From: Federico Larroca
> > To: discuss-gnuradio@gnu.org
> > Subject: [Discuss-gnuradio] VOLK division between complexes
>
> > Hello everyone,
> > We
On Thu, 2016-05-12 at 16:24 -0400, discuss-gnuradio-requ...@gnu.org
wrote:
> Date: Wed, 11 May 2016 16:09:56 -0300
> From: Federico Larroca
> To: discuss-gnuradio@gnu.org
> Subject: [Discuss-gnuradio] VOLK division between complexes
> Hello everyone,
> We are on the stage
Thank you very much for your quick answers!
Marcus (Leech), I found the function you mentioned minutes after I sent the
mail. Although it apparently works, Performance Monitor is behaving really
weird when I use it. I have to look up that.
Marcus (Müller), a very informative answer indeed. I will s
Hi Federico,
On 11.05.2016 21:09, Federico Larroca wrote:
> Hello everyone,
> We are on the stage of optimizing our project (gr-isdbt).
Awesome!
> One of the most consuming blocks is OFDM synchronization, and in
> particular the equalization phase. This is simply the division between
> the input
On 05/11/2016 03:09 PM, Federico Larroca wrote:
Hello everyone,
We are on the stage of optimizing our project (gr-isdbt). One of the
most consuming blocks is OFDM synchronization, and in particular the
equalization phase. This is simply the division between the input
signal and the estimated c
Hello everyone,
We are on the stage of optimizing our project (gr-isdbt). One of the most
consuming blocks is OFDM synchronization, and in particular the
equalization phase. This is simply the division between the input signal
and the estimated channel gains (two modestly big arrays of ~5000 comple
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