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maemo.org - Talk (https://talk.maemo.org/index.php)
-   Nokia N900 (https://talk.maemo.org/forumdisplay.php?f=44)
-   -   N900 overclock tests/results and new versions (https://talk.maemo.org/showthread.php?t=49481)

roryh86 2010-04-10 12:56
Re: N900 overclock tests/results and new versions
 
Running Titan's regular kernel overclocked at 1Ghz 500DSP with 250Mhz minimum frequency for 3 days, no problem. Tried 1.1Ghz but images taken with the camera started getting corrupted with weird colors. So sticking with 1Ghz.. phone feels great, super responsive!

I modded my transitions.ini file too and decreased the duration times for menu opening and task navigation, so it even feels quicker!

Keeping the minimum frequency at 250Mhz is better I noticed. Rotation of images has no lags, also rotating the phone to open the phone app has no lags too..and moving from idle to opening an any app is instant.

Would never switch back to anything lower than 1Ghz! :p

NokiaRocks 2010-04-10 14:25
Re: N900 overclock tests/results and new versions
 
Lehoto, how far are you with the 900 Mhz ulv kernel ? :)

egoshin 2010-04-10 17:28
Re: N900 overclock tests/results and new versions
 
Quote:
Originally Posted by igor (Post 603833)
One word of warning to those experiencing instability: if you are triggering writes to the internal OneNAND memory (the one where most of the system files live), you are better off with reflashing the whole fiasco image.

Because of the nature of the medium, write operations cause shuffling around of random pages, to even out the wearing.
I doubt that.

In my best knowledge most of flash memory chips do not move pages on it's own behalf. And one of equipment known to me which moves pages (it was not a single chip) did it with attention to failures - if write fails it doesn't update page table.

Flash chips only select page location for new pages in some pseudo-random manner. So, if you fail - you fail with only page which is just written.

Of course, there is a problem of file system pointers writes but usualy it is not a big problem with modern FS - it has a lot of duplicates and so on. Not sure about UBIFS...

dyce 2010-04-10 19:02
Re: N900 overclock tests/results and new versions
 
just wondering, if you apply lets say 1 ghz kernel, does the device constantly run at 1ghz? or does it underclock like normal but overclocks to 1ghz when running a cpu intensive app?

Crogge 2010-04-10 19:05
Re: N900 overclock tests/results and new versions
 
Quote:
Originally Posted by dyce (Post 604496)
just wondering, if you apply lets say 1 ghz kernel, does the device constantly run at 1ghz? or does it underclock like normal but overclocks to 1ghz when running a cpu intensive app?
It will underclock like before, some kernels even set the minimum clock from 250MHz to 125Mhz!

rpgAmazon 2010-04-10 19:13
Re: N900 overclock tests/results and new versions
 
In my phone, the best kernel in speed-stability-battery-temp, far away, is Lehto's 125-950-500.
Titan ones are nice but, I don't know why, makes my n900 more instable than Lehto (100% perfect for me)

baron von bubba 2010-04-10 19:27
Re: N900 overclock tests/results and new versions
 
ok so thread title says overclock test/results.

do we have any sort of standardised tests to compare different kernels/stability etc?

jerryfreak 2010-04-10 20:16
Re: N900 overclock tests/results and new versions
 
dont wanna hijack, but the other thread is too voluminous to tackle.

quick questions:
1.only way to apply this is a complete manual reflash?
2.any way to preserve user data when flashing? im curious but dont want to start from scratch

geneven 2010-04-10 20:21
Re: N900 overclock tests/results and new versions
 
Quote:
Originally Posted by jerryfreak (Post 604566)
dont wanna hijack, but the other thread is too voluminous to tackle.

quick questions:
1.only way to apply this is a complete manual reflash?
2.any way to preserve user data when flashing? im curious but dont want to start from scratch
You are only flashing the kernel. Takes about 2 secs, you don't lose data unless something goes wrong.

anidel 2010-04-10 20:25
Re: N900 overclock tests/results and new versions
 
Overclocking is like smoking.
You just don't see you're killing yourself earlier and you just can't stop.

And usual warning on the pack that is usually ignored:

Quote:
Originally Posted by geneven (Post 604571)
you don't lose data unless something goes wrong.
;)


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