Re: [Discuss-gnuradio] New to GnuRadio (Fortran own blocks?)
On 11/26/2011 09:18 AM, Uzair Baig wrote: Here is what I am planning. I am thinking of writing my own Fortran blocks (we are a team of 4 so yes that is possible) and integrating that with python; NumPy and then use that to connect with other basic blocks. Another way to use Fortran in GNU Radio is to wrap them in a C++ block, you might want to have a look at [0] to see how we did that. This however supposes that you actually want to use the GNU Radio runtime to write a GNU Radio application (which I'm not entirely sure of is what you want to do). Maybe you could elaborate further on what you are actually planning to do? Please tell me if that will work (as in how much efficient would that be), and whether there is a way round understanding the blocks. If I understand you correctly you want to have an answer on how efficient that is and if it is possible to do this *without* understanding the blocks?! We are okay in making our own Fortran blocks and working, but we need to be sure. And would really like if we can find some book/manual to understand on what convention was the blocks already existing made, etc, so we use most of the existing work done. I think there is no official convention for writing Fortran blocks in GNU Radio, but for coding guidelines see README.hacking. May I ask a final question, why did you select Fortran? Do you have a lot of matrix computations to do? In our case we used Fortran for several reasons including wanting to learn how to do it, and (to our knowledge) the lack of equally fast implementations in C/C++ of the matrix computations involved. Cheers happy hacking, Moritz [0] http://github.com/kit-cel/gr-specest.git ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
Re: [Discuss-gnuradio] New to GnuRadio (Fortran own blocks?)
Thank you Mortiz for your reply. We are trying to basically do all the processing of the data in a program, without passing it through blocks, like a basic code. We are using Fortran for two reasons, as its faster than C++ in certain aspects, and secondly, integrating the code (simple code, doesn't make use of classes etc) with NumPy seems easier.I would like to know if I take the data from USRP, write it to a file. Get the data from the file, start processing it via Fortran integrated in NumPy, and again using USRP transmit again, will that be efficient enough? Why exactly are we wanting to do all of this, instead of just using the blocks - I mention again, because we don't understand how the C++ blocks of GnuRadio work, function. Uzair Baig On Sat, Nov 26, 2011 at 6:22 PM, Moritz Fischer gnura...@pure-entropy.orgwrote: On 11/26/2011 09:18 AM, Uzair Baig wrote: Here is what I am planning. I am thinking of writing my own Fortran blocks (we are a team of 4 so yes that is possible) and integrating that with python; NumPy and then use that to connect with other basic blocks. Another way to use Fortran in GNU Radio is to wrap them in a C++ block, you might want to have a look at [0] to see how we did that. This however supposes that you actually want to use the GNU Radio runtime to write a GNU Radio application (which I'm not entirely sure of is what you want to do). Maybe you could elaborate further on what you are actually planning to do? Please tell me if that will work (as in how much efficient would that be), and whether there is a way round understanding the blocks. If I understand you correctly you want to have an answer on how efficient that is and if it is possible to do this *without* understanding the blocks?! We are okay in making our own Fortran blocks and working, but we need to be sure. And would really like if we can find some book/manual to understand on what convention was the blocks already existing made, etc, so we use most of the existing work done. I think there is no official convention for writing Fortran blocks in GNU Radio, but for coding guidelines see README.hacking. May I ask a final question, why did you select Fortran? Do you have a lot of matrix computations to do? In our case we used Fortran for several reasons including wanting to learn how to do it, and (to our knowledge) the lack of equally fast implementations in C/C++ of the matrix computations involved. Cheers happy hacking, Moritz [0] http://github.com/kit-cel/gr-**specest.githttp://github.com/kit-cel/gr-specest.git __**_ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/**listinfo/discuss-gnuradiohttps://lists.gnu.org/mailman/listinfo/discuss-gnuradio ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
Re: [Discuss-gnuradio] New to GnuRadio (Fortran own blocks?)
We are trying to basically do all the processing of the data in a program, without passing it through blocks, like a basic code. We are using Fortran for two reasons, as its faster than C++ in certain aspects, and secondly, integrating the code (simple code, doesn't make use of classes etc) with NumPy seems easier.I would like to know if I take the data from USRP, write To use the gnuradio framework, you have 2 options: write the blocks in python or write the blocks in c++ Writing blocks in python is a recent invention of mine that hasnt made it into the mainline code: http://gnuradio.org/redmine/projects/gnuradio/wiki/WriteBlocksInPython Now, the actual implementation of your work() function, the code that is doing all the heavy lifting can be written however, anyway, anyhow you like. My only advice is to get everything working first in whatever language you are most comfortable or efficient with. If thats fortran, than so be it, but dont use fortran because of some programming misnomer. When you want performance, then optimize your code with SIMD. Blocks calling into volk kernels are a great example. -josh ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
