Protecting 3x16 bits with 16 bits ?
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From: Skybuck Flying on 12 Feb 2010 15:21 Right now I am reading/investing this one: http://www.hackersdelight.org/ecc.pdf Also cool website name ! "hackers delight" ! LOL. Bye, Skybuck ;) =D
From: miso on 12 Feb 2010 21:17 On Feb 12, 8:13 am, "Skybuck Flying" <IntoTheFut...(a)hotmail.com> wrote: > "Dave -Turner" <ad...(a)127.0.0.1> wrote in message > > news:suOdnXyGC-Hf3-jWnZ2dnUVZ7v-dnZ2d(a)westnet.com.au... > > > so use crc16 > > I will try... > > However I still need an error correcting code for mode 3 (See new > posting)... > > Any idea's ? > > I have 0% experience with error correcting codes I am afraid ! ;) :) > > Bye, > Skybuck. Have you considered paying a consultant? I took a class in grad school by some NASA/Ames Phd on error detection and correct. It had to be the class with the most people dropping it that I ever took. When the dust settled, he gave out one A, one B (me), and a lot of Cs. He figured he didn't have to use a curve since so many people dropped it, so he spared D and Fs. Anyway, my point is this a specialty where it would pay to have some expert do the coding for you.
From: Skybuck Flying on 12 Feb 2010 23:47 Coding the hamming code thing... I think I can manage that ;) It might take some time but that's ok :) LDPC codes is a different matter though ;) For now it seems LDPC has large overhead ?! so that's kinda shitty... but do correct me if I am wrong ;) :) If the overhead ain't that bad I might be willing to help some "scientist" with coding up something "good" in delphi ;) :) You do the thinking, I do the programming =D When it comes to saving time maybe some people could code for me but I doubt there are any good "Delphi" codes out there to work for absolutely "budget" hours ;) :) And I am very demanding when it comes to Delphi code quality ! ;) :) It most be top notch ! ;) :) =D And that's exactly what's gonna happen: 1. First generic Delphi code. 2. Then maybe optimized Delphi code for this specific case. 3. Then gpu code. 4. Then maybe further optimized gpu code if possible ;) :) However shader model 3.0 /cg doesn't seem to good at bit fiddling... so that might get a bit tricky ;) :) Also error correction is something I wanted to do for some time now ;) :) Thanks to better documentation explaining the idea's/concepts I should be able to program it now and ofcourse thanks to my increased programming skill level ;) :) Bye, Skybuck ;) :)
From: Skybuck Flying on 12 Feb 2010 23:50 However suppose this goes through, then there is a weird funny situation: The GPU and it's code/memory is actually better protected then the rest of the system ?! ;) :) Though most of it should happen in the gpu anyway... but it's kinda odd... as soon as it comes out it could still be affected by the cpu/main memory... but that's an issue for the user he will have to deal with himself I guess... or maybe I could do some extra checking on the outputs as well and include them on the cpu side as well... it wouldn't be that much of a big deal... I think that's actually a cool idea too... since I did have one bad memory chip not so long ago =D So it should be total protection for cpu and gpu ! ;) :) Bye, Skybuck ;) :)
From: mpm on 13 Feb 2010 07:43
On Feb 12, 9:17 pm, "m...(a)sushi.com" <m...(a)sushi.com> wrote: > On Feb 12, 8:13 am, "Skybuck Flying" <IntoTheFut...(a)hotmail.com> > wrote: > > > > > > > "Dave -Turner" <ad...(a)127.0.0.1> wrote in message > > >news:suOdnXyGC-Hf3-jWnZ2dnUVZ7v-dnZ2d(a)westnet.com.au... > > > > so use crc16 > > > I will try... > > > However I still need an error correcting code for mode 3 (See new > > posting)... > > > Any idea's ? > > > I have 0% experience with error correcting codes I am afraid ! ;) :) > > > Bye, > > Skybuck. > > Have you considered paying a consultant? > > I took a class in grad school by some NASA/Ames Phd on error detection > and correct. It had to be the class with the most people dropping it > that I ever took. When the dust settled, he gave out one A, one B > (me), and a lot of Cs. He figured he didn't have to use a curve since > so many people dropped it, so he spared D and Fs. > > Anyway, my point is this a specialty where it would pay to have some > expert do the coding for you.- Hide quoted text - > > - Show quoted text - Trust me (and everyone else here). If Skybuck were to ever pay for a specialist, that person should have nothing to do with electronics!! |