I think beaglebone black should ok for this case.
2018-04-11 3:36 GMT+08:00 Alan Beard <bear...@unixservice.com.au>:
> Hi all,
>
> Well, I've compiled up FreeDV on my Banana Pi here and it runs.
>
> As I see it, the Banana Pi with a SATA disk is a realistic
> low power ( < 5W ) general purpose Linux box.
>
> When I started in the Unix world, you could run X11R6 the GUI on the
> Motorola 68020 CPU as I did on an Integrated Solution Inc. box.
> But on the MIPS M120 (20MHz MIPS CPU) with 32Mb ram and 600Mb disk
> it all ran very well.
>
> So Glen, I've been there.
>
> The Odroid XU4 is perhaps much better in your eyes but at the cost
> of much more power consumption, note the heatsink and cooler fan option.
> And, much more expensive storage. a 32Gb eMMC costs as much as a 1Tb
> SATA disk. And #2, there's none in MY junk box.
>
> Keep smiling
>
> Alan VK2ZIW
>
> On Sun, 8 Apr 2018 14:53:02 +1000, Alan Beard wrote
> > Hi,
> > I used to be a full on SPARC guy but my Sun Ultra 5 is a bit old now
> > (1999).
> >
> > Should I try on my Banana Pi M1 and SATA SSD, the FreeDV app?
> >
> > Dual Core armv7hl @ 1GHz with 1Gb ram and, a real SATA disk
> > interface. This allows real swap space and huge disk throughput.
> >
> > At about $70 AU is a bargain for a FULL linux box.
> > (Fedora 25 or later is my choice)
> > (and an SSD or hard disk of course)
> >
> > I read the specs on the ESP32, DMA only points at the internal memory
> > so a High Speed disk interface is a problem.
> >
> > BTW: I decided to upgrade my Banana Pi with a Banana Pi M2 Berry but
> > the linux software support is not there yet. No GUI on the HDMI
> > video. Debian boots but I can't get XRDP to work. Also Debian uses
> > the 3.10.xx kernel which is old now, as does other Debian based
> > distributions for ARM. WHAT A PAIN.
> >
> > Fedora 25 on the original Banana Pi works, a dream.
> >
> > 73 - isn't that an old electron tube? (HV triode)
> >
> > Alan VK2ZIW
> >
> > On Sun, 8 Apr 2018 10:55:59 +1000, glen english wrote
> > > I generally assume for estimations, FPU ops = INT ops per clock, and
> > > if you are careful you can do simultaneous INt/FPU ops...
> > >
> > > Just watch out for non aligned floating point accesses. bang... not
> > > lots of __aligned__ used.
> > >
> > > I used to be a full-on SHARC guy. but I wonder where that market is
> > > now with M7 and M4F around , and NEON which if you know what you are
> > > doing can run rings around a SHARC.
> > >
> > > Just diehards i think. The simple thigns with SHARC have disappeared
> > > with cache involvement.
> > >
> > > On 8/04/2018 10:51 AM, Dana Myers wrote:
> > > > On 4/7/2018 5:22 PM, Bruce Perens wrote:
> > > >> It could also be the use of memory barrier instructions. I'd like
> to
> > > >> benchmark Codec2 rather than a simple floating point loop with
> > > >> volatile variables. But if we are to believe the times on the
> screen
> > > >> of the esp32 in the video, he was getting acceptable performance.
> > > >
> > > > From what I've seen, the Cortex-M FPUs basically give
> single-precision
> > > > FP add/sub/mul in the same number of clocks as integer operations.
> > > >
> > > > With a proper program store cache, Cortex-M4F is quite the rocket,
> > > > really.
> > > >
> > > > Now I want to hunt down the appropriate Tensilica reference for the
> core
> > > > in the ESP32; it occurs to me the two cores may be sharing one FPU,
> > > > though I don't immediately see how the simple test would incur
> context
> > > > switching frequently.
> > > >
> > > > 73,
> > > > Dana K6JQ
> > > >
> > > >
> > > > ------------------------------------------------------------
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> > Alan
> >
> > Evil flourishes when good men do nothing.
> > Consider the Christmas child.
> > ------------------------------------------------------------
> ---------------
> > Alan Beard Unix Support Technician from 1984 to today
> > 70 Wedmore Rd. Sun Solaris, AIX, HP/UX, Linux, SCO, MIPS
> > Emu Heights N.S.W. 2750 Routers, terminal servers, printers,
> > terminals etc.. +61 2 47353013 (h) Support Programming, shell
> > scripting, "C", assembler 0414 353013 (mobile) After uni,
> > electronics tech
> >
> > ------------------------------------------------------------
> ----------------
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>
>
> Alan
>
> Evil flourishes when good men do nothing.
> Consider the Christmas child.
> ------------------------------------------------------------
> ---------------
> Alan Beard Unix Support Technician from 1984 to today
> 70 Wedmore Rd. Sun Solaris, AIX, HP/UX, Linux, SCO, MIPS
> Emu Heights N.S.W. 2750 Routers, terminal servers, printers, terminals
> etc..
> +61 2 47353013 (h) Support Programming, shell scripting, "C",
> assembler
> 0414 353013 (mobile) After uni, electronics tech
>
>
> ------------------------------------------------------------
> ------------------
> Check out the vibrant tech community on one of the world's most
> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
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