Re: [Discuss-gnuradio] Google Summer of Code 2014 applicant : Optimization with VOLK

2014-03-19 Thread Abhishek Bhowmick
My current hardware doesn't support AVX2. How practical is it to develop software for AVX2 intrinsics using Intel's SW Development Emulator (and possible performance testing on a remote machine) ? Abhishek On Wed, Mar 19, 2014 at 5:39 AM, West, Nathan wrote: > Can you enter this through Melange

Re: [Discuss-gnuradio] Google Summer of Code 2014 applicant : Optimization with VOLK

2014-03-19 Thread Abhishek Bhowmick
Thanks. Will address these points. Project proposal is already on Melange, actual proposal is uploaded at : https://github.com/abhowmick22/GSoc14-Proposal Abhishek On Wed, Mar 19, 2014 at 11:49 PM, Michael Dickens wrote: > Hi Abhishek - Your proposal is coming along nicely! I'll 2nd (or, mayb

Re: [Discuss-gnuradio] Google Summer of Code 2014 applicant : Optimization with VOLK

2014-03-19 Thread Michael Dickens
Hi Abhishek - Your proposal is coming along nicely! I'll 2nd (or, maybe 3rd by now) encouraging you to get your proposal into Melange so that we can comment on it there more. My up-front comment is that you probably want to state that OpenAirInterface is wholly licensed under the GPLv2 ( and h

Re: [Discuss-gnuradio] Google Summer of Code 2014 applicant : Optimization with VOLK

2014-03-19 Thread Moritz Fischer
Abhishek, On Wed, Mar 19, 2014 at 4:53 PM, Abhishek Bhowmick wrote: > My current hardware doesn't support AVX2. How practical is it to develop > software for AVX2 intrinsics using Intel's SW Development Emulator (and > possible performance testing on a remote machine) ? I'm fairly confident we c

Re: [Discuss-gnuradio] Google Summer of Code 2014 applicant : Optimization with VOLK

2014-03-18 Thread West, Nathan
Can you enter this through Melange? It should be sufficient to link to your PDF/repo on Melange. It's good to see you were able to get control port and oprofile results. On Sat, Mar 15, 2014 at 4:37 AM, Abhishek Bhowmick wrote: > Here is the link for my first proposal draft : > https://github.co

Re: [Discuss-gnuradio] Google Summer of Code 2014 applicant : Optimization with VOLK

2014-03-15 Thread Abhishek Bhowmick
Here is the link for my first proposal draft : https://github.com/abhowmick22/GSoc14-Proposal I will keep revising it. Seeking feedback in meantime. Thanks all. Abhishek On Sat, Mar 15, 2014 at 3:37 AM, Martin Braun wrote: > On 14.03.2014 19:27, Abhishek Bhowmick wrote: > >> Hi, >> So, accordi

Re: [Discuss-gnuradio] Google Summer of Code 2014 applicant : Optimization with VOLK

2014-03-14 Thread Martin Braun
On 14.03.2014 19:27, Abhishek Bhowmick wrote: Hi, So, according to some suggestions, I looked into how I can potentially use better signal processing for the OFDM receiver. I was thinking of a LS estimator with higher order interpolation or an MMSE estimator for the channel estimator part. Also,

Re: [Discuss-gnuradio] Google Summer of Code 2014 applicant : Optimization with VOLK

2014-03-14 Thread Abhishek Bhowmick
Hi, So, according to some suggestions, I looked into how I can potentially use better signal processing for the OFDM receiver. I was thinking of a LS estimator with higher order interpolation or an MMSE estimator for the channel estimator part. Also, a MMSE-DFE or Viterbi equalizer. These will nee

Re: [Discuss-gnuradio] Google Summer of Code 2014 applicant : Optimization with VOLK

2014-03-11 Thread Johannes Demel
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi Florian, the generic implementation serves 2 purposes, at least in my opinion. Firstly, in case the necessary hardware extension is not available on the target hardware, there is a backup default. Secondly, the generic implementation is usually eas

Re: [Discuss-gnuradio] Google Summer of Code 2014 applicant : Optimization with VOLK

2014-03-11 Thread Florian Kaltenberger
Hi Nathan and Abhishek, On 10/03/2014 23:22, West, Nathan wrote: > Ah! So there was a slight miscommunication. Yes, porting the OpenAirInterfaces > SIMD code to VOLK is a good option as well. The turbo channel coder/decoder > is part of that. I've *briefly* looked at the code to see what is > curr

Re: [Discuss-gnuradio] Google Summer of Code 2014 applicant : Optimization with VOLK

2014-03-10 Thread West, Nathan
On Mon, Mar 10, 2014 at 2:32 PM, Abhishek Bhowmick wrote: > > > > On Mon, Mar 10, 2014 at 10:04 PM, West, Nathan > wrote: >> >> On Mon, Mar 10, 2014 at 9:33 AM, Abhishek Bhowmick >> wrote: >> > Hello, >> > I would like to clarify some things : >> > >> > 1. I feel it is tough to beat spiral imple

Re: [Discuss-gnuradio] Google Summer of Code 2014 applicant : Optimization with VOLK

2014-03-10 Thread Martin Braun
On 03/10/2014 03:33 PM, Abhishek Bhowmick wrote: > Hello, > I would like to clarify some things : > > 1. I feel it is tough to beat spiral implementations through manual > vectorization, performance wise. If so, is readability the prime and > only reason for using intrinsics manually, and hence of

Re: [Discuss-gnuradio] Google Summer of Code 2014 applicant : Optimization with VOLK

2014-03-10 Thread Abhishek Bhowmick
n > wrote: >> On Tue, Feb 25, 2014 at 4:37 PM, West, Nathan >> wrote: >>>> > On Sun, 2/23/14, Abhishek Bhowmick >>>> wrote: >>>> > >>>> > Subject: [Discuss-gnuradio] Google Summer of Code >>>> 2014 applicant : O

Re: [Discuss-gnuradio] Google Summer of Code 2014 applicant : Optimization with VOLK

2014-02-25 Thread Abhishek Bhowmick
> wrote: >>> > On Sun, 2/23/14, Abhishek Bhowmick >>> wrote: >>> > >>> > Subject: [Discuss-gnuradio] Google Summer of Code >>> 2014 applicant : Optimization with VOLK >>> > To: discuss-gnuradio@gnu.org >>> >

Re: [Discuss-gnuradio] Google Summer of Code 2014 applicant : Optimization with VOLK

2014-02-25 Thread West, Nathan
On Tue, Feb 25, 2014 at 4:37 PM, West, Nathan wrote: >> > On Sun, 2/23/14, Abhishek Bhowmick >> wrote: >> > >> > Subject: [Discuss-gnuradio] Google Summer of Code >> 2014 applicant : Optimization with VOLK >> > To: discuss-gnuradio@gnu.org

Re: [Discuss-gnuradio] Google Summer of Code 2014 applicant : Optimization with VOLK

2014-02-25 Thread West, Nathan
> > On Sun, 2/23/14, Abhishek Bhowmick > wrote: > > > > Subject: [Discuss-gnuradio] Google Summer of Code > 2014 applicant : Optimization with VOLK > > To: discuss-gnuradio@gnu.org > > Date: Sunday, February 23, 2014, 8:52 AM > > > > H

Re: [Discuss-gnuradio] Google Summer of Code 2014 applicant : Optimization with VOLK

2014-02-25 Thread Bogdan Diaconescu
aking depuncturer part of the decoder or at least aware of that. On Tue, 2/25/14, Tom Rondeau wrote: Subject: Re: [Discuss-gnuradio] Google Summer of Code 2014 applicant : Optimization with VOLK To: "Bogdan Diaconescu" Cc: "GNUR

Re: [Discuss-gnuradio] Google Summer of Code 2014 applicant : Optimization with VOLK

2014-02-25 Thread Tom Rondeau
t. > > Bogdan > > > ------------ > On Sun, 2/23/14, Abhishek Bhowmick wrote: > > Subject: [Discuss-gnuradio] Google Summer of Code 2014 applicant : > Optimization with VOLK > To: discuss-gnuradio@gnu.org > Date: Sunday, February 23, 201

Re: [Discuss-gnuradio] Google Summer of Code 2014 applicant : Optimization with VOLK

2014-02-25 Thread Bogdan Diaconescu
ishek Bhowmick wrote: Subject: [Discuss-gnuradio] Google Summer of Code 2014 applicant : Optimization with VOLK To: discuss-gnuradio@gnu.org Date: Sunday, February 23, 2014, 8:52 AM Hello, I have completed a Bachelor's degree in Electrical Engineering from IIT Bombay, India and will be

Re: [Discuss-gnuradio] Google Summer of Code 2014 applicant : Optimization with VOLK

2014-02-25 Thread Martin Braun
On 02/24/2014 09:33 PM, Abhishek Bhowmick wrote: > Firstly, congratulations on being accepted as a mentor organization. > > Thanks for the pointers to gr-atsc and gr-80211. I have started > looking there as a > starting point. Are there similar modules which are undergoing volk > speedup fixes? I

Re: [Discuss-gnuradio] Google Summer of Code 2014 applicant : Optimization with VOLK

2014-02-24 Thread Abhishek Bhowmick
On Mon, Feb 24, 2014 at 9:00 PM, Tom Rondeau wrote: > On Mon, Feb 24, 2014 at 12:15 AM, West, Nathan > wrote: >> On Sun, Feb 23, 2014 at 12:52 AM, Abhishek Bhowmick >> wrote: >>> Hello, >>> I have completed a Bachelor's degree in Electrical Engineering from IIT >>> Bombay, India and will be join

Re: [Discuss-gnuradio] Google Summer of Code 2014 applicant : Optimization with VOLK

2014-02-24 Thread Tom Rondeau
On Mon, Feb 24, 2014 at 12:15 AM, West, Nathan wrote: > On Sun, Feb 23, 2014 at 12:52 AM, Abhishek Bhowmick > wrote: >> Hello, >> I have completed a Bachelor's degree in Electrical Engineering from IIT >> Bombay, India and will be joining a masters program in Computer Science in >> August. For th

Re: [Discuss-gnuradio] Google Summer of Code 2014 applicant : Optimization with VOLK

2014-02-23 Thread West, Nathan
On Sun, Feb 23, 2014 at 12:52 AM, Abhishek Bhowmick wrote: > Hello, > I have completed a Bachelor's degree in Electrical Engineering from IIT > Bombay, India and will be joining a masters program in Computer Science in > August. For the summer, I am interested in participating GSoC 2014 and GNU >

[Discuss-gnuradio] Google Summer of Code 2014 applicant : Optimization with VOLK

2014-02-22 Thread Abhishek Bhowmick
Hello, I have completed a Bachelor's degree in Electrical Engineering from IIT Bombay, India and will be joining a masters program in Computer Science in August. For the summer, I am interested in participating GSoC 2014 and GNU Radio is an organization where my background fits nicely. I went thro