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#rockbox log for 2010-11-12

00:05:23 Quit Strife89 (Quit: Heading home - night all! o/)
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00:35:18CIA-7New commit by 03moos (r28560): Update the french translation regarding the previous revision.
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00:37:19CIA-7r28560 build result: All green
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01:49:44Baconhello?
01:50:19Baconcan someone help me with my ipod?
01:50:36 Quit Topy44 (Ping timeout: 245 seconds)
01:50:59JdGordon|not untill you ask a question
01:51:09Baconhuh?
01:51:12Baconoh, haha
01:51:29Baconyeah, i have a 5th gen video with rockbox on it
01:51:44Baconi want to know how to reboot it
01:52:34xxcvpress play
01:53:16Baconplay?
01:53:54xxcvdon't release
01:53:55Bacontheres an icon on the main menu that says resume playback?
01:54:16Bacon...
01:54:23Baconim a little confused..
01:54:48xxcvoh my you need some sleep..
01:55:17xxcvpress ok + menu hold for 10 seconds
01:56:23Baconok
01:56:35Baconcool
01:56:39JdGordon|xxcv: press means press... press+release is "hold", use the right terminology so people dont get confused
01:56:50JdGordon|fuck, press+hold is "hold"
01:57:10Baconjd, did you write rockbox
01:57:23JdGordon|not all of it, but a fair bit
01:57:33Bacondid you use C++
01:58:16*xxcv remains calm.
01:58:35JdGordon|hell no!
01:58:45Baconlol...?
01:58:58Baconwhats wrong with c++
01:59:25JdGordon|everything, and this isnt the channel to discuss... #rockbox-community is for non rockbox talk
02:00
02:00:49Baconah, ok
02:00:55Baconi have another question
02:01:22Baconhow to you change the skins
02:01:26Baconor shell
02:01:40JdGordon|http://themes.rockbox.org/
02:03:15Baconim talking about on the ipod
02:04:30pixelmawe have a nice manual, I think it answers questions like that and was written for that purpose (not having to answer the same things time and again) ;)
02:05:47Baconook, thanx
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04:34:15Lloreansoap: Has mpegplayer even changed between 3.6 and 3.7?
04:34:28soapLlorean, I'm being polite
04:35:20soapAccepting the possibility of fault while kindly asking the user to investigate their end. Flies / honey / vinegar / all that.
04:35:46LloreanAlso, I saw in another thread you mentioned IAP not working in cars probably being them checking the filesystem. Someone mentioned to me that our IAP supports is via serial, don't most cars just use a USB cable to hook up (and thus, we wouldn't support IAP on them at all yet?)
04:36:03soapNo
04:36:23LloreanTo which part?
04:36:27soapSome cars see the Apple USB ID and try to read the apple database
04:36:36LloreanInteresting
04:36:50LloreanMy car gives me an error, but I have to plug it in with an iPod USB cable
04:37:10LloreanBut it's an "iPod not recognized" or something style error
04:37:27soapprior to 5th gen ipod?
04:37:59LloreaniPod Nano G1
04:38:24soapOther cars apparently have UMS capability, but if see Apple ID refuse to even try.
04:38:33soap(but that's not a IAP issue).
04:38:36LloreanI don't believe mine has UMS capability
04:38:44LloreanThough I guess I haven't checked.
04:40:28LloreanSo the first test would be to sync a few things using iTunes, then boot in Rockbox and see if it then recognizes it?
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04:40:58soapone sec
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04:42:38soapThere is also the iHome IH36 - I'm trying to get lixer to reply back, in email he strongly _implied_ that he only got the device working with itunes loaded music, but he's been hard to pin down.
04:44:00 Quit dfkt (Quit: -= SysReset 2.53=- Sic gorgiamus allos subjectatos nunc.)
04:44:29froggymanso the USB stack on fuze v2 works fine on linux and only has problems underwindows?
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05:01:35[Saint]xxcv: fwiw, when you're instructed to reboot an iPod with rockbox on it you should always press and hold play to shut down the player, then any key to start it again. You should never use Menu+Select unless Rockbox is in a freeze and won't shut down manually.
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05:04:52soapie reboot, not _reset_
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05:57:54Super_DorkI subscribed to the dev mailing list, how do I ask the devs a question?
06:00
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06:06:31Super_DorkI hate to ask it again, but nobody has answered it yet. I subscribed to the dev mailing list, how do I ask the devs a question?
06:07:31saratogawhat do you mean?
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06:16:58Super_DorkI need to ask one of the USA devs if I could send them my Fuze V2 that won't get past the splash screen, to see if that would help solve the issue. There are a bunch of us that have that problem, but non that do are devs. Thus I am offering to send a dev my player to have the dev look at it and see if there is a solution. I hope that makes sense.
06:17:56Super_DorkI just need to know how to ask a question to the dev mailing list.
06:18:06saratogaoh
06:18:17saratogayou just send an email to the list and it goes to everyone
06:18:43saratogasee: http://cool.haxx.se/mailman/listinfo/rockbox-dev
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06:45:19Super_Dorkheh. "when all else fails, read the instructions" I guess. Sorry for the noob question. Thanks for your help saratoga.
06:45:30saratogano problem
06:46:52Super_DorkI just want to make double sure I do everything right, as this is my first time installing Rockbox on a music player. I had Rockbox on an e260 before, but it was my brother that put it onto it for me.
06:47:08Super_DorkAnd now this isssue.
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07:44:15[Saint]Anyone have any suggestions on a creative way I can do the ">" chars that the Apple OF has in its menu structure on the iLike theme?
07:46:53 Quit xxcv (Ping timeout: 255 seconds)
07:49:04[Saint]I thought about trying to do it by just drawing the chars on the menu backdrop but that would look stupid and obvious because there's not a gauranteed ammount of items in each menu so there could easily be more ">"s than items in the menu.
08:00
08:02:43 Join einhirn [0] (~Miranda@bsod.rz.tu-clausthal.de)
08:03:27LloreanManually add them to an unused character in the font you choose to use?
08:04:09CIA-7New commit by 03Buschel (r28561): Set alignment for major data arrays in the mpc codec. This avoids performance regressions on S5L870x CPUs when changing code and allows further ...
08:06:03CIA-7r28561 build result: All green
08:07:59CIA-7New commit by 03Buschel (r28562): Re-submit ARM asm optimizations in mpc synthesis as the performance regressions on S5L870x have been solved with r28561.
08:09:11CIA-7New commit by 03Buschel (r28563): Minor speed up of mpc requantization.
08:09:52CIA-7r28562 build result: All green
08:11:37CIA-7r28563 build result: 3 errors, 0 warnings (Buschel committed)
08:12:36*Buschel assumes this failure has not been caused by r28563
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08:24:57[Saint]Llorean: I'm not sure you're understanding what it is I'm trying to do. I have that char in my font sets, but I'm stuck on how to make *this* happen: http://imgur.com/GlZQk.png
08:25:01Stummigood morning #rockbox
08:25:34[Saint]As you can see, it's more complicated than "every menu entry gets a ">""...it's only menu entries with submenus.
08:25:54[Saint]And I have NO idea how to pull it off. :(
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08:41:03*TheSeven wonders if n02-roolku's memory is dying :)
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08:54:28StummiI have a general c-question: http://pastebin.de/11620 is there a difference between the declaration of test1 (without arraysize) and test2 (with arraysize)?
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09:10:07kadobanStummi: no, no difference
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09:35:14AlexPbertrik: r28559 contains skin tokens right (tr, tl, th)? Do they just return a number? I ask as they need adding to the manual
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11:02:58Stummisnprintf(buf[i], 10, "%i Max", i); .. on sim-build this works (I get "7 Max" for example), on normal build i get "i Max". Somebody an idea, why?
11:03:10Stummi*has somebody..
11:04:05Stummicontext: http://pastebin.de/11622
11:05:30ranmachanTry %d instead
11:05:45ranmachanThe sim-build probably uses the system libc for snprintf I'd guess
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11:07:18Stummiranmachan, and for the normal-build there is an other implementation of snprintf?
11:08:19Stummiok, with %d it works. thanks
11:10:03ZagorStummi: yes, rockbox has its' own libc
11:11:56Stummiok
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13:02:40TheSevenany opinions on how the keyclick settings menu should look like?
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13:03:20TheSeveni proposed two possibilities at FS #5111, please comment :)
13:13:36n1sas long as the two clicks can be set independently i
13:13:44n1sm fine with either
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13:34:54Stummia little "survey": atm I am thinking about saving a "snapshot"-savegame automatically on exiting rockboy which is also automatically loaded, when the rom is loaded the next time. Would you say, something like this would be reasonable?
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13:58:36Stummiteru, you seem to work often with rockboy. What would you say to this?
13:59:26AlexPStummi: I'd like an option for the auto bit, but sounds nice"
14:00
14:00:25Stummihm, yes. An option for that will be there of course
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14:03:11wodzAlexP: r28534 is possible candidate for backport
14:04:24AlexPwodz: That is just for replacement batteries?
14:05:19wodzyes, but minis are quite old so more and more people will replace bateries
14:06:16AlexPyeah
14:06:20AlexPI'm not sure
14:06:30AlexPIt isn't really a bug bug
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14:25:03wodzAlexP: It's so simple change that I think it won't hurt
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15:02:31LambdaCalculus37Hmmm, the touchpad on the HDD6330 is a little flaky in Rockbox.
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15:04:40LambdaCalculus37b0hoon, lowlight: (for the logs) There's a little flakiness with the touchpad on the HDD6330. Pressing View in the lower right corner to bring up the context menu causes the rest of the touchpad to behave erratically.
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16:07:42wodzis it possible that CF cards do not support correctly 'standby' ata command 0xE2 (0x96) but support 'sleep' ata command 0xE6 (0x99) ?
16:08:32LambdaCalculus37wodz: There are a few cards that don't support those commands, I believe.
16:09:12 Quit user890104 (Ping timeout: 272 seconds)
16:10:10LambdaCalculus37wodz: I had an A-Data 4GB "Speedy" that exhibited that behavior in my iPod video.
16:10:24 Quit GeekShadow (Read error: No route to host)
16:10:26wodzrockbox uses 'sleep' command and works with my CFed MPIO, OF uses 'standby' and freezes after 'spinning down'
16:10:49LambdaCalculus37wodz: What brand of CF card?
16:11:05wodzSandisk Ultra II
16:11:52LambdaCalculus37wodz: Wanna post your findings here? http://www.rockbox.org/wiki/CFModGuide
16:12:07wodzLambdaCalculus37: first I have to confirm this. I
16:12:15wodzI'll patch OF and see
16:12:37LambdaCalculus37wodz: Okay.
16:14:49wodzheh reading technical documentation to some CF card I see that they do not conform to ATA standard in this area. It looks like they swap standby and sleep. It is said that any command issued after sleep will recover normal operation. This exactly contrary to what ATA spec sais
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16:18:12n1swodz: yeah, i think quite a few pwople have had trouble with non conforming cf cards
16:20:03LambdaCalculus37n1s: IIRC the manufacturers that conform to ATA standards are A-Data, Transcend, and Kingston.
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16:20:34wodzI always wonder why the hell people write standards. It seems that standards are made only for producers to not conform to them
16:21:09wodz4GB Transcendend card had the same problem in my MPIO
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16:22:54AlchimystaThere are italian in this chat?? I have a big problem...!!
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16:32:54Stummilol
16:35:31n1sLambdaCalculus37: ah, good to know
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16:36:42n1si have given up on trying to find a working mini to cf mod that isn't pink for a decent price though so i'll probably buy a 32GB µSDHC for my fuze to get a flash player with space
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16:41:43***Saving seen data "./dancer.seen"
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17:36:13saratogaBuschel: ping
17:43:39saratogahmm nevermind
17:53:45LloreanS_a_i_n_t: Wouldn't you pull it off by adjusting the strings of those menu entries to include that character? Another option would be adding support for "icons on the right" and then making that the icon for "menus with submenus"
17:58:18S_a_i_n_t Llorean: Y'know...that last idea there might just be crazy enogh to work.
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17:58:35S_a_i_n_t*enough
17:59:20S_a_i_n_tI knew it was a good idea to ask "the cloud" what I should/could do to achieve this.
18:00
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18:00:59S_a_i_n_tI'd thought about your first idea, but the font is not fixed width, so the results wouldn't be terrible accuratem especially having to rely on using spaces for alignment.
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18:01:16S_a_i_n_t*terribly
18:02:54Super_DorkOnce I post a message to the dev mailing list, about how long before I should expect a response?
18:03:20Torneminutes/days/week or two
18:03:28S_a_i_n_tSuper_Dork: You may never get one, you may get one immediately.
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18:03:44Super_DorkThat's what I was afraid of.
18:03:51S_a_i_n_tIt depends if some one knows the answer or not.
18:04:05Super_DorkAnd from my research, nobody does.
18:04:19S_a_i_n_tIf you'd prefer a quick answer that might not be correct at all, I can give you one now ;)
18:05:10Super_Dork:) Unfortunately, I have a problem that can't be solved with words alone.:)
18:05:35Super_DorkI have a V2 Fuze that won't go past the splash screen.
18:06:16Super_DorkSo I asked the USA devs if I could send one of them my player to look at.
18:06:31Super_DorkMaybe help solve the problem.
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18:10:12LambdaCalculus37Super_Dork: You can send it to one if you want to, but IIRC it was mentioned before that the USA developers had little to do with the port. (Someone correct me if I'm wrong!)
18:10:58Super_DorkYeah, I know that but I asked just in case one wanted to take an interest.
18:11:54LambdaCalculus37Super_Dork: I haven't seen an email from you appear on the list yet, but what exactly is wrong with the Fuze v2 you have, aside from not progressing past the splash screen?
18:12:34Super_DorkIf I could send it to somebody that did work on that port it would be better, for sure. However, I live in the US and so the shipping to out of country is expensive. btw it would be from dana.laberge@gmail.com
18:12:45 Quit Judas_PhD (Ping timeout: 250 seconds)
18:12:57Super_DorkJust that. Nothing I do gets it past the splash screen.
18:13:10Super_DorkExcept booting into the OF.
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18:13:36LambdaCalculus37Super_Dork: Posting an email in a logged channel is a bit of a bad idea... just letting ya know. ;)
18:13:46Super_DorkI know.
18:13:56LambdaCalculus37Super_Dork: You could email it to a staff or dev in the USA and we could pass it along.
18:15:15Super_DorkMaybe.
18:16:29Super_DorkI'll have to think about it.
18:16:47LambdaCalculus37No problem.
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18:17:21Super_DorkI looked at the dev map and theres one in Colorado.
18:17:37Super_DorkThe shipping there wouldn't be too bad.
18:17:47Super_DorkI live one state away.
18:18:25S_a_i_n_tyou really need to send it to a dev that's interested, not a dev that happens to live nearby
18:19:02LambdaCalculus37Super_Dork: I can take it and pass it along if you wish; I live in New Jersey so shipping to Europe would be a bit cheaper from the East Coast.
18:19:19LambdaCalculus37Super_Dork: And yes, I do count as a developer/staff. ;)
18:19:29Super_DorkCool.
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18:21:50AlchimystaCi sei?
18:22:04LambdaCalculus37Alchimysta: English, please.
18:22:08AlchimystaThere are a italian in this chat??
18:22:12AlchimystaHelp me!!!
18:22:24AlchimystaI have a problem..
18:23:08LambdaCalculus37Alchimysta: You've been saying that every single time you come in. Just state what's wrong and someone will try to help you.
18:23:34Super_DorkIsn't that kind of covered in the rules?
18:23:54LambdaCalculus37Super_Dork: Yup.
18:24:01Super_DorkThought so.
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18:28:21AlchimystaWhat do I do?
18:28:30Super_DorkWell, I'm off.
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18:41:46***Saving seen data "./dancer.seen"
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19:43:52Buschelsaratoga: pong
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19:50:54kugelI've found the cause of Rockbox idle cpu usage in the android port
19:51:25S_a_i_n_toh?
19:51:28S_a_i_n_tnice.
19:51:53kugel6-7% on my phone, but apparently up to 15% on a galaxy s
19:52:01kugelwith the fix it's down to zero
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20:04:06saratogaBuschel: I looked at the dct32 used in mpc and mp3, and think it could probably be speed up a good bit on arm if the asm version was rewritten
20:04:42saratogamost of the trig accesses can be arranged so that they're sequential, and could probably use 16 bit packed values like the atrac changes
20:07:24saratogaalso are the two dcts really identical? if so, we should put them in the codec lib and just use one for both
20:08:29Buschelsaratoga: they are not 100% identical. the output is sorted differently and mpc uses 64 output samples instead of 32 −− to be able to use further optimization in the dewindowing
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20:09:56Buschelsaratoga: 16 bit for the costab values will be too few precision. i experimented on this for a while... i guess this is caused by the butterfly architecture which lowers precision in each stage
20:10:12saratogathats good to know
20:10:37saratogathe mpc's dct order actually seemed like a disadvantage to me
20:11:02saratogasince it requires you to make very largely spaced loads
20:11:26saratogathats fine on arm7 and coldfire, but quite painful on arm9 and arm11
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20:13:57Buschelsaratoga: the mpc dewndowing asm shows what is the advantage, you only need to load ~50% of the coefs compared to the reference implementation −− as the are symmetries. at the cost of 32 additional writes per dct and a doubled effort for the memmove.
20:14:08Buschelsaratoga: expensive on arm9, true
20:14:42Buschelbtw, I made some profiling on nano2g for mp3 and mpc, interested?
20:14:46saratogayes very
20:14:58Buschelwait a few seconds
20:15:16saratogabtw, i'm now convinced that the libmad synthesis filter can be rewritten so that at very least all loads can be done two at a time, and possibly 4 at a time, which should lead to a very large increase in speed on arm11
20:15:23 Quit fdinel (Quit: Miranda IM! Smaller, Faster, Easier. http://miranda-im.org)
20:16:23Buschelhttp://pastie.org/1293417
20:17:25Buschelsaratoga: bitstream = bit buffer handling / huffman decoding
20:18:25saratogainteresting
20:19:10Buschelyou see that mpc's synthesis is still a little faster, but the mp3 synthesis isn't fully optimized
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20:19:53Buscheli am convinced that the mp3 synth will overcome mpc on arm9 with a bit more teaking −− mp3 implementation is less memory intense
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20:21:29saratogayes the current synth filter is quite bad on arm9
20:21:37saratogait was not scheduled correctly
20:21:38Buschelbtw, you can read the results? left side = over all needed MHz, right side = MHz for this single step
20:21:43saratogayeah
20:23:25saratogaright now in the mp3 version, every single load has 1 cycle stall due to bad scheduling on arm9, and a 3 cycle one on arm11
20:23:47saratogathat can be trivially corrected, but getting larger speed ups will require tinkering with the memory accesses and precision
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20:24:43Buschelmp3 = needs ~50% of mpc's memory / rotates the filterbanck coefs, so that the are no symmetries exploitable versus mpc = doubled memory usage / reduced loads due to exploit of symmetries
20:24:58Buschelmpc should be less effective on CPU's with slow ram
20:25:13Buschela pitty that the nano 2g cpu is one of those...
20:26:42saratogafor targets without IRAM, its worth wasting ram if it allows for better caching
20:26:54*Buschel should check his mpc resort patch again after his alignment change
20:27:22saratogaI am thinking about rewriting the mdctlib eventually to work differently on arm9e/arm11 such that the trig tables are 50% duplicated, but are arranged sequentially for the most common block size
20:27:38saratogai expect this to give a very large speed up on arm11
20:28:24Buschelwould this be same for arm9?
20:32:38saratogaits not so important there
20:37:57saratogaon arm9 you have a 1 cycle delay before a loaded register can be used or else you stall
20:38:19saratogaon arm11 you have a 3 cycle delay (IIRC) and furthermore, the load/store path is 64 bits wide so you can do two at once
20:39:04saratogaso in theory ldm with proper pipeling can do 2 words a clock, whereas the worst case ldr without pipelining can do 0.25 words per clock
20:41:49***Saving seen data "./dancer.seen"
20:46:08saratogawe should really start a wiki page with all this info
20:46:15saratogaits so hard to keep track which arm core needs what
20:46:20saratogaand i don't even bothered with coldfire or mips
20:47:22Buschelyou are volunteering to start with it ? ;)
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20:48:15saratogaif no one beats me to it, i'll try to find time later
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20:53:14saratogawhats a good page name, ProcessorOptimization?
20:54:24BuschelCPUspecificOptimization (the camel case writing looks strange though..)
20:54:27Buschel?
20:55:45BuschelHowToOptimizePerformance
20:56:10saratogaTargetSpecificOptimization
20:56:16Buschelgood!
20:56:21Buscheli like that
20:58:54kugelBuschel, saratoga: why didn't you use CACHEALIGN_ATTR in your commits?
20:59:14kugel(and fix the attr to be 32 bytes on armv5+
20:59:14saratogalaziness
20:59:15kugel)
21:00
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21:06:04saratogaBuschel: http://www.rockbox.org/wiki/TargetSpecificOptimization
21:06:10saratogawill fill out with actual info when I get time
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21:08:13Buschelkugel: CACHEALIGN_ATTR did not work for me on nano 2g. when checking system.h in the buld process it is defined to ""
21:08:37kugelstrange
21:08:43BuschelPROC_NEEDS_CACHEALIGN is not defined
21:09:12kugelIIRC mmu-arm.S depends on it being set
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21:10:22kugelit should be always defined IMO
21:10:38Buschelit is define at one single place: system-target.h
21:12:11kugelsystem.h #includes system-target.h
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21:33:31saratogahttp://www.rockbox.org/wiki/TargetSpecificOptimization
21:33:38saratogajust dumped a mountain of info on that wiki
21:33:42saratogagot to get back to work now
21:34:40freddybCould someone smart take a look at my patch for FS #11608? I switched from sync to async bus and it fixed my playback but I don't if it might cause other problems.
21:35:28saratogai think async is supposed to be slower
21:35:47saratogayou should probably ask funman, he discussed the clocking modes in great detail before
21:36:17freddybI was hoping he'd be online, but no luck.
21:36:55saratogai sent you his email
21:37:10freddybThanks.
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22:04:29CIA-7New commit by 03kugel (r28564): Android: Change how detecting call state (introduced in r27746) works, from polling to event based. ...
22:05:10saratogaTheSeven: would you mind adding the Nano2G's processor here: http://www.rockbox.org/wiki/TargetSpecificOptimization
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22:06:37CIA-7r28564 build result: All green
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22:21:22CIA-7New commit by 03kugel (r28565): Android: Fix small error in install&run script.
22:21:39CIA-7New commit by 03kugel (r28566): Android: Fix compilation failure
22:23:06CIA-7r28565 build result: All green
22:24:52CIA-7r28566 build result: All green
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22:32:18TheSevensaratoga: I can add some details about the S5L8701 SoC, but honestly I don't know much about the ARM940T core in it, or the memory clocking
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22:40:27Buschelkugel: #define PROC_NEEDS_CACHEALIGN is only set in arm/target-config.h, but not i the CPU specific ones like arm/s5l8700/target-config.h
22:40:50kugelwhat is target-config.h?
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22:41:19Buschelsorry, system-target.h
22:41:52***Saving seen data "./dancer.seen"
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22:42:05kugelah, meh, that arm/system-target.h is only meant for PP, apparently
22:46:14Buschelyes
22:48:06kugelI suspect cache align attrs were forgotten for newer targets
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22:49:49Buschelit seems like it isn't set for any target except PP
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22:52:38*TheSeven thinks he fixed that some time ago for s5l870x
22:52:52TheSevenCACHEALIGN_ATTR appears to be defined at least
22:53:13TheSeven(to __attribute__((aligned(16))))
22:53:16Buscheli am just preparing a patch
22:53:30CIA-7New commit by 03wodz (r28567): MPIO: move files a bit in preparation for HD300 port
22:53:36BuschelCACHEALIGN_ATTR is defined to ""
22:53:40Buschelempty
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22:53:45*TheSeven doubts that
22:54:00TheSevenat least it *used* to work some time ago
22:54:26TheSevenif someone broke it, this might explain all the weird trouble we've been experiencing recently
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22:55:07CIA-7r28567 build result: All green
22:57:55Buschelfor S5L870x: http://pastie.org/1293801
22:58:06TheSevenit must be pure luck that USB is working at all under these circumstances
22:58:07 Quit bmbl (Quit: Verlassend)
22:58:34TheSevenwhile it will just cause weird cache coherency trouble for other DMA, the USB core's AHB master seems to be very picky about alignment
22:58:47Buschelall other CPUs need such change in their respective system-target.h as well
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22:59:04TheSevenare you sure that this isn't defined in config/ipodnano2g.h?
23:00
23:00:05Buschelyes
23:00:12*Buschel just checked
23:00:58CIA-7New commit by 03kugel (r28568): Android: Use adb install -r to reinstall the app, as it doesn't remove icons from the homescreen.
23:01:31BuschelI will recompile now and make a short test
23:01:34kugelBuschel: perhaps it should always default to 32, leaving the possibility to have smaller aligns if wanted
23:02:14kugelalignment doesn't hurt but potentially increases performance drastically, so I'd go for "opt-out" rather than "opt-in"
23:02:35CIA-7r28568 build result: All green
23:02:36*TheSeven blames funman
23:03:16TheSevenr25633 was the culprit
23:03:39Buschelkugel: it may default to 32, if not set. but right now the default is that there is no alignment at all
23:05:02TheSevenBuschel: apparently funman moved it to export/s5l8700.h
23:05:12TheSevenand apparently that isn't included early enough
23:05:24TheSevenso what's the proper way to do this?
23:05:43Buschelsee my patch I have linked above
23:06:15TheSevenIIRC we don't need PROC_NEEDS_CACHEALIGN
23:06:27TheSeventhis seems to be a multicore thing
23:08:08TheSevenand funman intentionally removed the CACHEALIGN_SIZE define in r25633, probably for a reason
23:09:04BuschelCACHEALIGN_SIZE = (1<<CACHEALIGN_BITS), just a matter of taste what to define
23:09:32Buschelbut to me it seems like PROC_NEEDS_CACHEALIGN needs to be defined to have CACHEALIGN_ATTR defined correctly
23:09:32CIA-7New commit by 03kugel (r28569): Android: When the backlight goes off, the RockboxFramebuffer/View isn't made invisible. Force that in order to disable screen updates while backlight ...
23:11:10CIA-7r28569 build result: All green
23:11:40BuschelTheSeven: see r25337
23:12:18Buschelahem, r25339 (the diff to 25337)
23:13:19TheSevenyeah, he also broke STORAGE_WANTS_ALIGN... (which i fixed in the meantime)
23:16:23TheSevenwhat I would do now is remove the definition from s5l8700.h (which doesn't seem to belong there), and add #define CACHEALIGN_BITS 4 to firmware/target/s5l8700/system-target.h
23:17:01Buscheland define PROC_NEEDS_CACHEALIGN to define macros
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23:18:39TheSevenBuschel: http://www.rockbox.org/irc/log-20100620#19:19:14
23:22:24Buschelif you do not define it, the define for CACHEALIGN_ATTR is empty and not defined to "__attribute__ ((aligned(16)))""
23:22:49TheSevenwhich makes me wonder if CACHEALIGN_ATTR is actually what we want to use for DMA
23:23:55Buscheland also: if we do this change for S5L870, what do we do for all other ARM cpu's?
23:24:18TheSevenhow are the other CPUs using CACHEALIGN_ATTR?
23:24:56TheSevenit might be possible that I abused this when writing the S5L870x drivers without knowing what it actually means, and that nobody else uses it for that purpose
23:25:23Buschelto me it seems like the former implementation (pre 25339) defined the macros, if CACHEALIGN_BITS was defined. is it possible to implement it this way again? CACHEALIGN_BITS for other cpu's is also defined in the export\*cpu*.h
23:25:31TheSevenhow is the alignment that's neccessary for PCM buffers being determined?
23:25:39Buschel*cpu* = S5L8700 as3525 etc.
23:26:07TheSeven...which doesn't seem to be included globally for s5l8700.h, so it won't work
23:26:32TheSevenor did I miss where it is included from?
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23:41:19TheSevenBuschel: I just grepped my working copy, and can only find 6 places where CACHEALIGN_ATTR is used at all
23:42:01Buschelyet, the idea is to use it for target specific codec optimization to avoid all those __attribute__ (()) stuff
23:42:21Buschelalso, the other macros are used at some places
23:43:13Buschelthe easiest way seems to be to just use "#if 1" instead of "#ifdef PROC_NEEDS_CACHEALIGN" in export/system.h
23:43:43Buschelthis way those defines are available and the cpu specific CACHEALIGN_BITS is used
23:43:45TheSeventhere are also STORAGE_ALIGN_ATTR and USB_DEVBSS_ATTR
23:49:25TheSevengrepping case-insensitively for ((STORAGE_ALIGN|USB_DEVBSS|CACHEALIGN|ALIGNED)_ATTR|attribute.*aligned\() reveals quite some mess
23:51:42Buschelhow are coldfire CPUs performing with aligned buffers?
23:51:56Buschelcuold they use the same define?
23:52:00Buschel*could
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