What is your Favorite Embedded board if you got something right now? Odroid U3? or something else. I guess the Odroid U3 is availabe in Early Feb again at 179.00 US. http://www.hardkernel.com/main/products/prdt_info.php?g_code=G140448267127
On Wed, Jan 28, 2015 at 11:56 AM, Jasper Potts <jasper.po...@oracle.com> wrote: > We were getting good performance with 1080p for JavaOne keynote Car demo > last year. Though not as good as Odroid U3 > > Jasper > > Sent from my iPhone > > > On Jan 28, 2015, at 8:47 AM, David Hill <david.h...@oracle.com> wrote: > > > >> On 1/28/15, 2:09 AM, Prasant Jalan wrote: > >> Few more questions about your Boundary Devices iMX6 Quad: > >> - Amount of RAM/memory in your iMX6 system? > >> - iMX6 Single Core Clock speed (0.8 GHz, 1 GHz or 1.2 GHz) > >> - Which javaFX version did you use to get the above measurements (if > you recollect)? > > > > I am using: http://boundarydevices.com/product/sabre-lite-imx6-sbc/ > > > > Specs are on the page. It is a Quad, so 4 cores @ 1GHz, 1GB memory. > > > > OS is a Ubuntu base distro, provided by BoundaryDevices, though I have a > similar setup using Yocto that I have not been able to see any FX > differences. > > > > ubuntu@oracle:~$ cat /proc/cpuinfo > > processor : 0 > > model name : ARMv7 Processor rev 10 (v7l) > > BogoMIPS : 790.52 > > > > My monitor is connected with HDMI, 720P. Note that 1080p will likely be > slower - more data to move even with a GPU. > > > > Using JDK 8u6 + OpenJFX build (which is my development setup). There are > some improvements that are present in OpenJFX that are not in 8u6, and that > certainly might affect performance. The process to build OpenJFX is here. < > https://wiki.openjdk.java.net/display/OpenJFX/Building+OpenJFX> > > > > For a simple JFX command, it is unlikely that we will require more than > 2 CPU cores. One thread for the application, and another for the repainter. > A more complex application with worker thread might light up more cores. > > > > Using the top command (then hitting "1" to enable the Core usage > display), I see my Industrial app using one to two cores like this: > > > > %Cpu0 : 22.4 us, 2.0 sy, 0.0 ni, 75.5 id, 0.0 wa, 0.0 hi, 0.0 si, > 0.0 st > > %Cpu1 : 0.0 us, 0.0 sy, 0.0 ni,100.0 id, 0.0 wa, 0.0 hi, 0.0 si, > 0.0 st > > %Cpu2 : 0.3 us, 0.3 sy, 0.0 ni, 99.3 id, 0.0 wa, 0.0 hi, 0.0 si, > 0.0 st > > %Cpu3 : 66.8 us, 4.3 sy, 0.0 ni, 28.9 id, 0.0 wa, 0.0 hi, 0.0 si, > 0.0 st > > > > Occasionally just one core like this, probably when we are computing a > change in the Scene. > > > > %Cpu0 : 8.0 us, 1.3 sy, 0.0 ni, 90.6 id, 0.0 wa, 0.0 hi, 0.0 si, > 0.0 st > > %Cpu1 : 0.0 us, 0.0 sy, 0.0 ni,100.0 id, 0.0 wa, 0.0 hi, 0.0 si, > 0.0 st > > %Cpu2 : 83.8 us, 2.6 sy, 0.0 ni, 13.5 id, 0.0 wa, 0.0 hi, 0.0 si, > 0.0 st > > %Cpu3 : 0.7 us, 0.0 sy, 0.0 ni, 99.3 id, 0.0 wa, 0.0 hi, 0.0 si, > 0.0 st > > > > and of course occasionally 3 cores - I expect that is when top is > running :-) > > > > Dave > > > > > > -- > > David Hill<david.h...@oracle.com> > > Java Embedded Development > > > > "A man's feet should be planted in his country, but his eyes should > survey the world." > > -- George Santayana (1863 - 1952) > > >
