To: | "" <> |
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Subject: | Re: [ts-7000] Internal Flash vs microSD boot speed |
From: | harry olar <> |
Date: | Sat, 31 Dec 2011 11:40:14 -0800 (PST) |
I had the same issues. Loading from internal memory is almost constant.My TS 7390 system loads in 50 seconds , but from SD card is very variable( from 30 sec to 2 min). You might have been incredibly lucky to find a very fast SD card model.Usually SD card speeds are inconsistent between brands. From: leaton <> To: Sent: Saturday, December 31, 2011 10:14 AM Subject: [ts-7000] Internal Flash vs microSD boot speed I have successfully ported functionality and code from the TS7390
to the TS8390+TS4700. I am very impressed with the performance of the new boards. In my old setup with the TS7390 the board took approximately 90 seconds to boot, configure X windows system, configure the network, and start my graphics application. This did not vary appreciably when booting from internal flash or SD card. I see much quicker boot times on the new board set, as I mentioned. However, it is incredibly fast when booting from microSD card - approximately 20 seconds. What puzzles me is that when booting from internal flash, it takes over twice as long, anywhere from 45 seconds to 60 seconds. The variability seems to be how long it takes to mount the internal flash 'big root.' I can live with this. But why, discounting the mount time, does it actually take twice as long to go through the booting motions? I think it actually just runs slower in general when running from internal flash vs microSD. I spent considerable time making sure the boot procedure is as close to exactly the same as possible. Anyone have any ideas? __._,_.___
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