Such as I run my application on the microSD having 16G on my BeagleBONE. Le ven. 31 août 2018 à 20:22, Ichrak Mansour <[email protected]> a écrit :
> I create a swapfile and I run it, but every time, I get the same error... > > Le jeu. 23 août 2018 à 20:11, Dennis Lee Bieber <[email protected]> a > écrit : > >> On Thu, 23 Aug 2018 16:52:08 +0200, Ichrak Mansour >> <[email protected]> declaimed the >> following: >> >> >Thank you Robert. >> >But when I used a microSD with 16G, I need to make a swapfile also? >> > >> >> IF it is running out of RAM then yes, you likely need a swapfile. >> Programs don't run "on the SD card" (or eMMC). They are /stored/ as files >> there and get loaded into RAM when executed. >> >> The BBB RAM is only 512kB. If the program needs more RAM than is >> available the OS will kill it. Using a swapfile lets the OS copy currently >> idle code/data from RAM to the SD card (or other device -- I'd recommend >> using a USB hard-disk, to reduce wear on flash memory) and map in the >> freed >> RAM as more data space for the current program. >> >> https://en.wikipedia.org/wiki/Paging >> """ >> Flash memory has a finite number of erase-write cycles (see Limitations of >> flash memory), and the smallest amount of data that can be erased at once >> might be very large (128 KiB for an Intel X25-M SSD [27]), seldom >> coinciding with pagesize. Therefore, flash memory may wear out quickly if >> used as swap space under tight memory conditions. On the attractive side, >> flash memory is practically delayless compared to hard disks, and not >> volatile as RAM chips. Schemes like ReadyBoost and Intel Turbo Memory are >> made to exploit these characteristics. >> """ >> >> >> -- >> Wulfraed Dennis Lee Bieber AF6VN >> [email protected] HTTP://wlfraed.home.netcom.com/ >> >> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to the Google Groups >> "BeagleBoard" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/beagleboard/qt0undp53utjadn4attrkrva4eiohvs763%404ax.com >> . >> For more options, visit https://groups.google.com/d/optout. >> > > > -- > > * ICHRAK Mansour* > > Etudiante en ingénierie Téléinformatique > Université de Sousse - ISITCOM > *T :* +216 52 650 216 > *M :* [email protected] > -- * ICHRAK Mansour* Etudiante en ingénierie Téléinformatique Université de Sousse - ISITCOM *T :* +216 52 650 216 *M :* [email protected] -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CACtBPxNQ557y8AVrUt3mniRd0hXJ2njCy-YUEXSPfbK6Espxcg%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
