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Is there a section to talk about Java ME? Apps, etc. (3)
to General by Kalatti - 20 hrs, 22 mins ago - more...
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2013-07-13
, 12:33
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#12
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Originally Posted by freemangordon
Though video isn't as smooth as it's e.g. on N9. When recording with OC it seems to be more smooth, but it might be a placebo effect.
No, it is related to the tracker starting at the same time you start the recording, processes priorities and the memory bus bandwidth. See how is stuttering fixed in cssu to get an idea.
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2013-07-13
, 12:49
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Joined on Mar 2011
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#13
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Originally Posted by marmistrz
Then user is wasting space for 2nd swap, without any additional (real) benefits. Additionally, said user doubles loss, due to getting rid of ability to have one physical storage device *without* swap writes to it
2. And what if both swaps are enabled (swapset startup)
Originally Posted by marmistrz
Performance of whole device (as usual, with higher CPU speed) - but, it's purely theoretical gain, as you're hardly doing other things while recording. That said, I always use 500-900 limits, so I may be missing some "lagging fun" at lower frequencies.
3. Why not? Won't it improve the overall performance while recording?
Originally Posted by marmistrz
Yes, but it is related to either slowdowns of writing to storage medium, or what FMG said - in either case, it's not about CPU speed (which, even at 500 mhz, is able to generate writes for much higher speeds, than our flash storage media will ever allow).
Isn't the "stuttering" of the video caused by the unability to save everything on time?
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Theoretically, one could gain better speeds of writing by using real "spinning disks" HDD connected via USB mass storage mode. Hoever, hostmode seems to have max ~4 MB/s write speed (due to some imperfections in hostmode implementation), which makes WiFi our fastest connection with the world (if we skip N900 as USB client + USB networking scenario, which is even faster).
/Estel
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N900's aluminum backcover / body replacement
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Last edited by Estel; 2013-07-13 at 12:51.
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2013-07-13
, 14:26
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Joined on Apr 2013
@ NL
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#15
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In 2G/Wifi mode and video set to 1280x720 the display lags a little here but playback is fine. In offline mode the screen will freeze every few seconds. Saving to external mmc card.
Btw, the 1280 option is pretty amazing and the jelly effect is much less than what you would expect.
Btw, the 1280 option is pretty amazing and the jelly effect is much less than what you would expect.
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2013-07-13
, 15:00
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Posts: 3,328 |
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Joined on May 2011
@ Poland
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#16
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Originally Posted by Estel
1. Is there any way to say swapset to use internal swap for defrag only?
Then user is wasting space for 2nd swap, without any additional (real) benefits. Additionally, said user doubles loss, due to getting rid of ability to have one physical storage device *without* swap writes to it
Performance of whole device (as usual, with higher CPU speed) - but, it's purely theoretical gain, as you're hardly doing other things while recording. That said, I always use 500-900 limits, so I may be missing some "lagging fun" at lower frequencies.
Yes, but it is related to either slowdowns of writing to storage medium, or what FMG said - in either case, it's not about CPU speed (which, even at 500 mhz, is able to generate writes for much higher speeds, than our flash storage media will ever allow).
---
Theoretically, one could gain better speeds of writing by using real "spinning disks" HDD connected via USB mass storage mode. Hoever, hostmode seems to have max ~4 MB/s write speed (due to some imperfections in hostmode implementation), which makes WiFi our fastest connection with the world (if we skip N900 as USB client + USB networking scenario, which is even faster).
/Estel
2. So you overclock
250-600 recording seemed to stutter more than 250-805 or 250-9003. So why does copying 900 MB take so long on N900 and much quicker on desktop Linux? RAM thing?
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2013-07-15
, 15:11
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Joined on Mar 2011
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#17
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Originally Posted by marmistrz
No idea, I'm using ereswap (surprise, surprise...)
1. Is there any way to say swapset to use internal swap for defrag only?
Originally Posted by marmistrz
Interesting, is it perfectly reproducible? Define "more" and "less" in this case?
2. So you overclock
Originally Posted by marmistrz
I would say that it's because our eMMC flash burst write is much slower than spinning-disks HDD (or modern SSD) one.
3. So why does copying 900 MB take so long on N900 and much quicker on desktop Linux? RAM thing?
/Estel
__________________
N900's aluminum backcover / body replacement
-
N900's HDMI-Out
-
Camera cover MOD
-
Measure battery's real capacity on-device
-
TrueCrypt 7.1 | ereswap | bnf
-
Hardware's mods research is costly. To support my work, please consider donating. Thank You!
N900's aluminum backcover / body replacement
-
N900's HDMI-Out
-
Camera cover MOD
-
Measure battery's real capacity on-device
-
TrueCrypt 7.1 | ereswap | bnf
-
Hardware's mods research is costly. To support my work, please consider donating. Thank You!
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2013-07-16
, 08:27
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Posts: 3,328 |
Thanked: 4,476 times |
Joined on May 2011
@ Poland
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#18
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Originally Posted by Estel
Just loose feeling
Interesting, is it perfectly reproducible? Define "more" and "less" in this case?
might be placebo.
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| camera-ui, nokia n900 |
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