That looks roughly correct - it's been a long time since I have worked with this repo.
I would suggest, however, if this is your first time creating custom GNU Radio blocks to follow the tutorials for non-GPU accelerated blocks. Get used to the workflow, and the additional steps for adding CUDA processing will probably create less complication. We have a comprehensive set of tutorials here that should be useful: https://wiki.gnuradio.org/index.php/Tutorials Josh On Wed, Jun 4, 2025 at 10:16 AM edwar ewer <eduatgu...@gmail.com> wrote: > Hi Josh, > Thank you very much for the suggestion. Actually, I have a minimum > experience in programming and this is my first time to create a custom GNU > Radio block. Let me breakdown the procedure that I understand from the > source you gave to me, > > 1. Clone the gr-cuda. > 2. Install it (mkdir build, cmake.., make, and so on...) > 3. Create the the corresponding .cu file for my application > 4. Create a new block for my application using gr-modtool. > 5. Set the io_signature to specify the custom buffer > 6. Call the kernel wrapper inside the work() function > > Is this correct? > > Thanks, > Eduemon > ------------------------------ > *From:* Josh Morman (GNU Radio) <jmor...@gnuradio.org> > *Sent:* Wednesday, June 4, 2025 4:49 PM > *To:* edwar ewer <eduatgu...@gmail.com> > *Cc:* discuss-gnuradio@gnu.org <discuss-gnuradio@gnu.org> > *Subject:* Re: Create a GPU-based block tutorial. > > Hi Eduemon, > > You may want to take a look at gr-cuda which takes advantage of the > "custom buffers" feature of GNU Radio introduced in GR 3.10: > > https://github.com/gnuradio/gr-cuda > > This is a bare OOT but would be a good place to start adding blocks in or > fork off into your own OOT. There is a multiply_const block in there that > is GPU accelerated with CUDA. > > Josh > > On Wed, Jun 4, 2025 at 7:42 AM edwar ewer <eduatgu...@gmail.com> wrote: > > Dear GNU Radio, > Currently I am trying to create a GPU-based multiply conjugate block in > GNU Radio. The purpose is the same as the regular GNU Radio multiply > conjugate block, but I want to optimize the process by doing it in GPU > cores. Previously, I was thinking to follow this tutorial to make it. > > https://wiki.gnuradio.org/index.php?title=Creating_C%2B%2B_OOT_with_gr-modtool > Creating C++ OOT with gr-modtool - GNU Radio > <https://wiki.gnuradio.org/index.php?title=Creating_C%2B%2B_OOT_with_gr-modtool> > This tutorial describes how to create a custom C++ block and use it in a > flowgraph: Create a new C++ block using gr_modtool; Modify the C++ .h and > .cc code so the block will function > wiki.gnuradio.org > ** > However, I believe that tutorial is meant to develop a CPU-based GNU Radio > block. I am trying to dig the internet but could not find any clear > tutorial how to develop GPU-based GNU Radio block. Could you help and > enlighten with regards to the procedure of developing GPU-based GNU Radio > block? > Thank you in advance. > > Best regards, > Eduemon > >
