Re: FWIW: The bigger picture... Or why I have been asking a lot of questions lately...

2009-10-13 Thread Jim Kuzdrall
Greetings Bruce, Still thinking about your problem... On Sunday 11 October 2009 17:01, Bruce Labitt wrote: I did do an experiment that had curious results. Instead of sending double precision binary data, I sent single precision or 'float'. I was expecting to halve my transmission time,

Re: FWIW: The bigger picture... Or why I have been asking a lot of questions lately...

2009-10-13 Thread Ralph A. Mack
Bruce Labitt bruce.lab...@myfairpoint.net mailto:bruce.lab...@myfairpoint.net wrote: What I'm trying to do: Optimizer for a radar power spectral density problem Problem: FFTs required in optimization loop take too long on current workstation for the optimizer to even be viable.

Re: FWIW: The bigger picture... Or why I have been asking a lot of questions lately...

2009-10-13 Thread bruce . labitt
gnhlug-discuss-boun...@mail.gnhlug.org wrote on 10/13/2009 08:13:12 AM: Greetings Bruce, Still thinking about your problem... Well, thank you for that! On Sunday 11 October 2009 17:01, Bruce Labitt wrote: I did do an experiment that had curious results. Instead of sending double

Re: FWIW: The bigger picture... Or why I have been asking a lot of questions lately...

2009-10-13 Thread bruce . labitt
gnhlug-discuss-boun...@mail.gnhlug.org wrote on 10/13/2009 08:44:49 AM: Bruce Labitt bruce.lab...@myfairpoint.net mailto:bruce.lab...@myfairpoint.net wrote: What I'm trying to do: Optimizer for a radar power spectral density problem Problem: FFTs required in optimization loop

Re: FWIW: The bigger picture... Or why I have been asking a lot of questions lately...

2009-10-13 Thread bruce . labitt
Jim Kuzdrall gnh...@intrel.com wrote on 10/13/2009 02:04:36 PM: On Tuesday 13 October 2009 10:54, bruce.lab...@autoliv.com wrote: gnhlug-discuss-boun...@mail.gnhlug.org wrote on 10/13/2009 08:13:12 AM: Greetings Bruce, Still thinking about your problem... Well, thank you for

Re: FWIW: The bigger picture... Or why I have been asking a lot of questions lately...

2009-10-12 Thread Tom Buskey
IBM was working on a Cell on a card to plug into a motherboard for use in supercomputer clusters. Much like nvidea's tesla gpu cards. On 10/11/09, Jim Kuzdrall gnh...@intrel.com wrote: Greetings Bruce, Interesting and challenging project! On Saturday 10 October 2009 15:20, Bruce

Re: FWIW: The bigger picture... Or why I have been asking a lot of questions lately...

2009-10-12 Thread Bruce Labitt
Tom Buskey wrote: IBM was working on a Cell on a card to plug into a motherboard for use in supercomputer clusters. Much like nvidea's tesla gpu cards. Fixstars, formerly known as terrasoftsolutions has an equivalent item http://www.fixstars.com/en/products/gigaaccel180/ If this was

Re: FWIW: The bigger picture... Or why I have been asking a lot of questions lately...

2009-10-11 Thread Jim Kuzdrall
Greetings Bruce, Interesting and challenging project! On Saturday 10 October 2009 15:20, Bruce Labitt wrote: For anyone that is remotely interested, here is the big picture for the problem I'm trying to solve. If you are not interested, hey delete the post. Won't irritate me in the

Re: FWIW: The bigger picture... Or why I have been asking a lot of questions lately...

2009-10-11 Thread Joshua Judson Rosen
Bruce Labitt bruce.lab...@myfairpoint.net writes: What I'm trying to do: Optimizer for a radar power spectral density problem Problem: FFTs required in optimization loop take too long on current workstation for the optimizer to even be viable. Attempted solution: FFT engine on remote

Re: FWIW: The bigger picture... Or why I have been asking a lot of questions lately...

2009-10-11 Thread Drew Van Zandt
Have you considered using a fast compression/decompression algorithm before you transmit, one that isn't too computationally intensive for either compression or decompression? You won't get high compression (factor of 10) as you might with slower ones, but if you get even a factor of 2, you've

Re: FWIW: The bigger picture... Or why I have been asking a lot of questions lately...

2009-10-11 Thread Bruce Labitt
Lloyd Kvam wrote: On Sat, 2009-10-10 at 15:20 -0400, Bruce Labitt wrote: Nit in solution: TCP transport time FFT execution time, rendering attempted solution non-viable Researches TCP optimization: Reads countless papers on tcp optimization techniques... Fails to find a robust

Re: FWIW: The bigger picture... Or why I have been asking a lot of questions lately...

2009-10-11 Thread Bruce Labitt
Jim Kuzdrall wrote: Greetings Bruce, Interesting and challenging project! On Saturday 10 October 2009 15:20, Bruce Labitt wrote: For anyone that is remotely interested, here is the big picture for the problem I'm trying to solve. If you are not interested, hey delete the post.

Re: FWIW: The bigger picture... Or why I have been asking a lot of questions lately...

2009-10-11 Thread Bruce Labitt
Joshua Judson Rosen wrote: Bruce Labitt bruce.lab...@myfairpoint.net writes: What I'm trying to do: Optimizer for a radar power spectral density problem Problem: FFTs required in optimization loop take too long on current workstation for the optimizer to even be viable. Attempted

Re: FWIW: The bigger picture... Or why I have been asking a lot of questions lately...

2009-10-11 Thread Bruce Labitt
Drew Van Zandt wrote: Have you considered using a fast compression/decompression algorithm before you transmit, one that isn't too computationally intensive for either compression or decompression? You won't get high compression (factor of 10) as you might with slower ones, but if you get

FWIW: The bigger picture... Or why I have been asking a lot of questions lately...

2009-10-10 Thread Bruce Labitt
For anyone that is remotely interested, here is the big picture for the problem I'm trying to solve. If you are not interested, hey delete the post. Won't irritate me in the least! What I'm trying to do: Optimizer for a radar power spectral density problem Problem: FFTs required in

Re: FWIW: The bigger picture... Or why I have been asking a lot of questions lately...

2009-10-10 Thread Lloyd Kvam
On Sat, 2009-10-10 at 15:20 -0400, Bruce Labitt wrote: Nit in solution: TCP transport time FFT execution time, rendering attempted solution non-viable Researches TCP optimization: Reads countless papers on tcp optimization techniques... Fails to find a robust solutions or methodology for