On Mon, 8 May 2017 09:42:36 +0200 "[email protected]" <[email protected]> wrote: > 2017-05-07 22:26 GMT+02:00 <[email protected]>: > > > I apologize for DOS'ing the list, I can only get online about once a > > week. > > > > On Fri, 28 Apr 2017 13:58:57 +0100 > > Luke Kenneth Casson Leighton <[email protected]> wrote: > > > > > > On Fri, Apr 28, 2017 at 12:47 PM, [email protected] > > > <[email protected]> wrote: > > > <snip> > > > > I think/hope FPGA's are more efficient for specific tasks then > > > > CPU/GPU's > > > > > > you wouldn't give a general-purpose task to an FPGA, and you > > > wouldn't give a specialist task for which they're not suited to a > > > CPU, GPU _or_ an FPGA: you'd give it to a custom piece of silicon. > > > > I always thought that FPGA's were good for prototyping or small fast > > tasks... But that's just how I learned about them. > > > > Don't think of what you were thought. Think of what you can do which has > not been thought. > > The world outside the box is bigger than the on inside the box ;-)
Don't I know :) Linux Linux +-------+ Linux | | Linux |WINDOWZ| Linux | | Linux +-------+ Linux Linux Linux > > > > > in the case where you have something that falls outside of the > > > custom silicon (a newer CODEC for example) then yes, an FPGA would > > > *possibly* help... if and only if you have enough bandwidth. > > > > > > video is RIDICULOUSLY bandwidth-hungry. 1920x1080 @ 60fps 32bpp > > > is... an insane data-rate. it's 470 MEGABYTES per second. that's > > > what the framebuffer has to handle, so you not only have to have the > > > HDMI (or other video) PHY capable of handling that but the CODEC > > > hardware has to be able to *write* - simultaneously - on the exact > > > same memory bus. > > > > > <snip> > > Your number seemed off to me so I did the math: > > 1920*1080*60*4 == > > 497,664,000 > > You're off by almost 30 MiB. > > > > 497,664,000 ~= 498 MB (Units of 1000) > 497,664,000 ~= 475 MiB (Units of 1024) <snip> \me embarrassed. Sincerely, David _______________________________________________ arm-netbook mailing list [email protected] http://lists.phcomp.co.uk/mailman/listinfo/arm-netbook Send large attachments to [email protected]
