Updating songs on IPod in Windows and CPU usage

Whever i update songs on my ipod, iTunes will use lots of CPU. I do not have a problem with this as i have a dual core system that can handle the load, the problem is that when i switch away to another application iTunes will suddenly decide to idle and reduces it's cpu usage and the speed at which it encodes/transfers.
I'm guessing this is to increase respsonsivness so that you can use your computer but it makes the transfer horribly slow.
So, my question is how do i make iTunes use more CPU when it's not the foreground window? Is there a way?
Dual Core 2.66Mhz Pentium D Windows XP Pro

When you bring another application to the front of iTunes while it is updating, it will reduce the cpu usage of itself. Load up task manager and see for yourself. Normally when iTunes is the foreground window it will use 70%-80% of the CPU for encoding. Now this isn't a problem, i have a dual core CPU so iTunes can use all the cpu it wants and it won't lag the rest of the computer ( even if i do play games)
My problem occurs when i want to switch away from iTunes and browse the web while waiting for it to update, when i do this it takes forever to update the iPod because iTunes has gone into low priority mode and only uses about 5% CPU, I want to know if there is a way to "PREVENT" iTunes into going into this "IDLE" mode and instead use as much CPU as it wants on one core, because i don't want to have to set it up and walk away for an hour.
I suppose this is really a developer issue, in that they have not used proper multi-threading to take advantage of dual core CPU's. Still an option to disable the low priority mode would be nice.

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System Performance window and CPU usage

The System Performance window shows two bars - what do these mean? My guess would be for dual cpu, on my quad only two show up but I assume that's because Apple needs to update to show all four?
Related question - when doing a torture test on my quad, Logic seems to show almost full CPU usage and choke while Activity Monitor only has logic using about 130% of available cpu (out of 400%). Processor load seems to be split equally between all four (none of which seem to be averaging over 50%). On a dual, how close does Logic get to 200%? Is there anything I can do to get Logic to use more of the available CPU power?
I'm running an assortment of softsynths, most with Space Designer (do longer verbs in SD use more CPU?).
Along these same lines, are there any standard Logic benchmarks?

They indicate multiple processors if audio is subdivided. It is most likely Logic hasn't got a CPU meter update-don't the quads simply operate as pairs per core-fuctionally similar to a Dual but when it comes to the processor the duties are split, as opposed to 4 procs it works more like 2 coupled...
Longer IRs require more calculations, they add up really fast, esp. at higher sampling rates-because the IRs convert to the host (session) rate, as opposed to the rate the IR is.

Connecting iPod to Windows and OS X

I know on the earlier version of iPods, if you connected your iPod through PC first then connect them through Macs, it gets a hardware failure. Atleast it did that for me couple times. Now I was wondering with iPod Touch, it'll have the same problem. I uploaded all the songs on my desktop, windows, and I have some songs on my Macbook, OS X, that I want in the iPod. So I was wondering if it'll have the problem again.

An iPod formatted for Mac won't run natively on a PC because the Windows OS does not support the HFS Plus file system and therefore will not see the drive. You can as you suggest reformat your iPod on Windows if you want to use it on both platforms as Macs can read Windows formatting (there have been reports of Windows iPods not working on a Mac but they would tend to be the exception). Alternatively there are third party programs that will allow you to use a Mac formatted iPod on Windows, this is one for instance: XPlay 2
You would also need to download USB drivers and XPlay or Anapod to connect to Windows 98 as there has never been a version of iTunes for Windows 98 or ME: Anapod Explorer Windows 98/ME Support

Problem with memory usage and CPU usage

Hello,
i have a problem with the memory usage and cpu usage in my project!
My application must run for more than 24 hrs. The problem is that the longer it runs the bigger is the memory and cpu usage!
It starts with ~15% CPU usage and ~70 MBytes memory usage. After ~ 24hrs the CPU usage is ~60% and the memory usage is ~170 MBytes!
After 3 days the CPU usage is almost about 70% and the memory usage is about 360 MBytes!
What can I do to reduce this huge recource usage?
Thank you!

Hi Pahe,
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graziano

I think I am see a bug, Under FF 3.6 Mem Usage is 80 mb and CPU is 2%. Under FF 4.0 Mem Usage is 210+mb and CPU usage is 35%. Also in FB on some Zynga games the plugin-container Mem Usage is running at over 400mb in FF 4.0, is this a known problem?

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How to check the memory and CPU usage on NPU

Hi expert ,
Could you tell me how to check the memory and cpu usage on NPU?
I think ASR1000 has this command (show platform hardware qfp active...) , but I coudn't find the same command on ASR9001.
I checked " show controllers np counters all" command, but I did not find it.
Platform: ASR9001
version: 4.3.2
NP: Tyhoon
Thanks,

Hi Kanako,
understand your question, but something like that doesnt exist for the trident/typhoon NPU's for the asr9k.
in fact cpu usage is not really applicable for parallel/serialized hardware forwarders, but mainly the KPI is here
the PPS it handles.
The max pps it can handle is dependent on feature set.
What you could do is measure the rates on the PARSE_FABRIC_RECEIVE count (packets received from fabric, so egress direction), PARSE_ENET_RECEIVE count (packets received from the interface to the fabric, so ingress) and the LOOPBACK count, that is packets that are recirculated for extra processing. The sum of these 3 gives an idea of the PPS rate the NPU is working on.
Memory consumption is something tricky also, there are many memories attached to the NPU, notably:
TCAM used for vlan matching, ACL and QOS matching
Search memory for L2 and L3 (shared on Trident, separated on Typhoon)
Frame memory for packet bufferin in QOS
Stats memory, for all kinds of counters of QOS maps, interface stats etc
their usage is rather dynamic also.
The few things you want to verify on these are:
- ACL usage (in terms of Tcam entries)
- MAC table size (2M max on typhoon)
- FIB size (4M max on typhoon)
frame memory is dependent on the buffering, which is a sum of all the packets instant queue length and size of all pmaps attached to interfaces served by the same NPU. there is no good overview as to how much you have available of that, but it has a rather significant size 1G or 2G depending on the TR or SE cards (typhoon specific).
regards
xander
Xander Thuijs CCIE #6775
Principal Engineer
ASR9000, CRS, NCS6000 & IOS-XR

Cannot update songs in iPod

Hi,
My problem is this one:
I bought an external hard drive (200 GB)
I downloaded the iTunes in that external (H) drive - from Apple's site - than I transferred the songs I had in the C drive, in the H drive.
I didnt know that I should transfer the iTunes library too. Anyway, I deleted EVERYTHING in the C drive.
Than I realize that I dont have playlists in the H drive. Luckily I didnt plug the iPod, because I would lose the playlists I had in my iPod. It took me few hours to write down my 50 something playlists. + 5,000 songs.
I am aware that there are programs that can transfer the songs from iPod in computer, but I read their Websites and I was not convinced of their efficacity.
Than I plugged the iPod. As expected the playlists disappeared, and the iTunes told me that because there is no space enough I had a big folder with pictures - will store TEMPORARY (?) some of the songs in a special playlist called office something (I dont remember) I said OK, but few minutes later I realize that I have all the songs in the new playlist created, were present in my library, so I deleted that playlist. I didnt know that playlist is in fact my NEW library if Im not wrong.
Perhaps Apple should tell me WHAT HAPPENS IF I DELETE THAT PLAYLIST.
As well as when I moved the songs from the C drive Apple should also tell me that I HAVE TO MOVE THE LIBRARY TOO!!!!!. Or much better HE should move it AUTOMATICALLY, without asking!!!!!!!!
Anyway, to make the story short, when I tried to update the iPod, appeared the message:
Songs on the iPod offici cannot be updated because all of the playlists for updating no longer exist
BTW, when I tried to find songs I have in iTunes, using the search function [Start > Search > All files and folders > Look in all hard drives C, D, H] I simply couldn't find the songs.
What I have right now in the H drive is a folder called > Programs > I Tunes and in that iTunes folder I have:
1) iTunes Music Library 3 MB (an XML document) I looked a little bit and I saw: <key>Music Folder</key> <string>file://localhost/C:/Documents%20and%20Settings/user/My%20Documents/My%20Music/iT unes/iTunes%
C drive ???
2) iTunes Library 2.6 G, which a window says: iTunes Library.itl = Windows cannot open this file
3) iTunes 4 Music Library, which Windows says cannot open too
4) Previous iTunes Libraries, folder which contains:
- iTunes 4 Music Library and
- iTunes Library; both about 2 GB
5) iTunes Music a list of songs I couldnt found there a song I recently downloaded from Apple.
6) iTunes Music which contains:
- CD Configuration which contains:
- iTunes Resources
- iTunesHelper. Resources
- about iTunes
- iTunes (APLICATION 11.1 MB)
7) iPod which contains:
- bin
- iPod Updater (4 folders)
So, how can I update the iPod?
Also a little strange thing: Offici Properties tells me that I have 14.7 GB Used Space - I opened the iPod and there is NOTHING inside - and iTunes says 31.55 GB (?!) I have an iPod 40 GB.
So pls help!
Thanx in advance!
Daniel

Try using the key combination Shift-Delete when deleting from a song from a playlist, this will delete it from the library as well.

HELP!!! itunes wont update songs to ipod

basically as the topic says im having trouble with itunes and my ipod Video , the problem is that i connect my ipod to my computer ,itunes recognizes my ipod and says its updating songs but it doesnt and after a minute or so it says "Itunes has encountered an error" and closes down.
Any idea on how to solve this problem ??
any help will be appreciated
Windows XP

okay, we'd better try enlisting some additional technical help then.
we'll get a crash log from itunes, and send it to so someone who can interpret crash logs. (it may take a few days before you get a response.)
Typically, you'll need to configure Dr. Watson on your PC in order to generate crash logs. Windows start menu -> Run. Type in "cmd". Hit return. At the prompt in the command line window that comes up, type in
drwtsn32 -i
And hit return.
This will create crash logs in Documents And Settings\All Users\Application Data\Microsoft\Dr Watson\. There'll usually be a file in here called "drwtsn32.log"
prior to collecting the itunes crash log, delete any existing crash logs in there. (we want to make sure we send the correct crash log.)
generate the crash, collect the crash log, and send it to this email address
in the email:
(1) state the precise version number of itunes that you're using, the version number of your ipod updater, the software version on your ipod, and the model of ipod you're getting the crash with:
iPod: How to find software version
Identifying different iPod models
(2) include the URL to this thread so that the person who gets the email has some context, but also give as much information about the context of the crashing as you can.
love, b

IPod Nano, Windows, and USB driver quirkiness question

Hey all,
I recently helped someone who was suffering from two separate, show-stopping iPod/iTunes problems to get things into such a state that they could actually make use of both. Things seem to be working fine, though one of our solutions seems to me to be a bit less than optimal.
For the sake of providing as much information as possible, the first problem (though likely unrelated) was the infamous vanishing iTunes installation. We solved this by using the ctrl-alt-delete trick on an iTunes 4.9 installation (that is, by ending all of the install processes when the installation-ending error message shows up.) Okay, that's not the best solution, but it seems to be all that we can do for now.
The main concern, however, is with the iPod USB driver, and a problem that began with the formatting of the iPod. I can see that at least a few people have had this problem, but here it is for the sake of it:
The iPod installation software would state that the iPod needed to be formated, and then proceed to sit for a very long time, "waiting for iPod," until it would eventually fail. We solved this using the second technique (uninstalling the iPod USB driver) outlined by Paul Green7 in this thread: William Brame, "Initial formatting of iPod Nano", 02:49pm Sep 22, 2005 CDT
After doing this, we ran the iPod setup software again, and it told us that the iPod didn't need to be formatted. Obviously this was rather confusing, but upon loading up iTunes, it proved to be true. It appeared as an actual drive in My Computer, and it showed up properly as a 4gb iPod which songs could be copied to without a hitch.
That is, until the computer was rebooted. After a reboot, the iPod would only be recognized once again as a "USB Mass Storage Device," would not appear in My Computer, and indeed iTunes failed to recognize it as anything other than a 360gb storage device of some unknown sort.
So, what we found was that every time the computer was rebooted, the driver needed to be uninstalled again, and when Windows booted again the iPod would be properly recognized.
Now, as I said, this leaves things in a working, if far less than ideal, state. Can anyone think of a more proper fix for this? It seems to me that we've only partially addressed the problem here, and I can't help but think that this may not be the best state to leave things in.
Also, if nothing else, is there any possibility of ill effects resulting from our currently-employed solution? As far as I can tell, the worst thing about it is that it's merely bothersome, but then, I've had difficult understanding these problems in the first place.
That said, if anyone can offer any advice, it would be greatly appreciated!

The key to your problem is more than likely the 360GB storage device. This is a symptom of having either network drives or an external hard drive attached to your computer, and Windows confusing them with the iPod. The solution is to reassign the iPod's drive letter. See this:
Strange iPod behavior

Help please with ipods dock windows and mac based

Hello everyone,
I have an ipod but want to upload from two different locations. I found out from a reply from a previous question that I can do that but my problem seems to be that I have a windows based laptop at home but at my other location in my office I am using a Mac. From what I read I can not do this from one location to the other without reformating my ipod everytime which would be useless to me sense I do not have the same music or do all of my purchases from one location. Is this possible to upload from a windows and mac computer from two different locations or is this impossible? Thanks in advance!!!

Probably the easiest way to use an iPod on both Mac and Windows computers is to format the iPod (using iPod Updater) using the PC. This will force your iPod to use the Windows file system (FAT32) which both the Mac and PC can read from and write to without the help of additional software. Of course then all your software updates for the iPod will have to be done on Windows.  If you need to use a Mac (HFS+) formatted iPod on a Windows PC, you'll need to install some 3rd party software such as XPlay 2.0 (which you can get from MediaFour Software). This will enable your Windows PC to read a Mac-formatted iPod.
Then see this.
See this.
How to use an iPod with more than one computer.

IPod Touch appears as "Apple iPod" in windows and does not appear on itunes

I have checked the Apple Device Manager and stiff,
checked the registry,
restarted the computer and more, but to no avail.
I have a 5th Gen iPod Touch 64Gb and is named "MrUnkownGuy"
Windows 8.1 Pro
Problem: The device appears on Windows as "Apple iPod" and iTunes does not detect my device.
The AutoPlay is set to "Do Nothing"
There Are two Autoplay entries,
My family has two devices, iPod Touch 5th Gen (named "MrUnkownGuy") and a iPod Nano 7th Gen (named "Apple iPod")

Try:
Removing and reinstalling iTunes and other software components for Windows Vista, Windows 7, or Windows 8

Ipod on windows and mac

i hav a ipod that i used for my desktop, which is windows
is there any way to alternative from my desktop and my macbook, using itunes on both of them?

Strictly speaking using a Windows formatted iPod on a Mac isn't supported however many people use one without any issue. iTunes will allow you to use an iPod formatted for Windows on a Mac; however Apple currently only supports using the iPod shuffle in FAT32 format on Mac. An alternative if you do have problems is to restore and reformat the iPod on the Mac then use a third party program that will allow you to use a Mac formatted iPod on Windows. This is one for instance gets good reviews: XPlay 2
You can read another user's experience of using XPlay at this link: iPod on Mac and Windows

10.4.9 update and CPU usage up %20, even during idle

I experienced a general slowdown except with file transfers. I am about to give up and rollback to 10.4.8.

I rolled back to 10.4.8 (because all my problems appeared in 10.4.9) and everything speeded up and CPU dropped to under %9 while I type this. I no longer have to type a few words and wait for them to appear. I installed all my third party stuff except Norton antivirus and sidetrack. Any new update is 10.5 so ...
400Mhz Cpu can easily be taxed.
I never had a performance hit with apple updates since the beginning of OX. In fact when I moved from Puma to Jaguar, I experienced the same speedup as a processor upgrade earlier, 300mhz to 500mhz!

Whenever I try to play a song my ipod shuts down and starts over, why?

Can anybody please tell me why? I downloaded "frostwire" to download songs onto my itunes albums and so I hit "Restore" and then synched everything in and everything downloaded then I tried to play my songs and when I click a song...the screen goes black and turns on..? I have no idea why. My older cousin said she uses frostwire and it never did that to hers?

It sounds like the music track is crashing your ipod. Some services put funky data in there that can cause problems. It can be bad metadata (Album name, artist, etc. are meta data) or missing frames from the music file that cause a crash.
Start off by just removing the song that causes the issue and see if it happens on every track or just some.
i

NI DAQmx 8.3 and CPU usage

I have similar problem as described on page http://forums.ni.com/ni/board/message?board.id=250&message.id=23831
but have solution and some reflections.
first of all, about system
system use 2x PCI-6143 and take data from 16 channels with maximum rate (250 kS/s)
program
was created about year ago (with LV 7.1.1, DAQmx 7.4) and on PC with
PIV (3.2 GHz) processor and 1 Gb of RAM work properly (CPU usage less
30%).
Now I've recompile program with LV8.2 and update drivers to DAQmx 8.3. now program can't work properly because CPU usage 100%
I create test VI for research this problem.
First version (daq_test1) - simple code - configure daqtask and get data.
I found:
if
sample rate less or equal 90 kS/s (on PCI-6143) CPU usage less 5%, but
when rate more 95 kS/s CPU usage jump to 60% (for one or more channels
on one or two devises).
Then I create simulated devise PCI-6143 in MAX and the same vi (daq_test1) require not more than 5-10% of CPU.
also
I have examine devise 16E-4 and find the same problem: if samle rate
more than "boundary" rate, CPU usage is too much (50-70%).
Then I add configure parameters (daq_test2) - add manualy DMA "on". There are no effects (CPU usage jump to 60% on "fast" rates)
Then I "play" with WaitMode (daq_test3). There are no effects (even if WaitMode=Sleep and SleepTime>1s CPU usage about 60%)
Finally
I create vi (daq_test4), where "manually" check
AvailableSamplesPerChannel and call DAQmx Read only when bufer has more
samples, that I need.
So I'd wound solution, but think driver
MUST check available samples carefully (also, why DAQmx 7.4 can fast
scan, but DAQmx 8.3 can't do it at least the same way as previous version).
Attachments:
daq_test.zip ‏78 KB

Artem,
Thank you for contacting National Instruments support. This is expected behavior. When the wait mode is set to Sleep, DAQmx will only sleep if and only if there is no data available to process. So, for example, at 200 kS/s, data is filling up the buffer fairly quickly and should always be available to read, which means that the process will not sleep at all. When data is always available, the CPU is going to handle it as quickly as possible and thus the CPU will appear to be running at near 100%.
Specifying a wait mode of Sleep is really only beneficial when the acquisition is running slowly enough that a lot of time is spent in DAQmx Read waiting for the data to arrive. In the past, the CPu was maxed out even at extremely slow sampling rates. Sleep mode alleviates this problem by putting the process to sleep when no data is ready for processing; however, if data is available, it will be handled immediately and no sleeping will occur. If data is constantly available for processing, the CPU is expected to deal with it right away and the usage will appear to be high.
Regards,
Kenn North
Senior Product Manager - Search, Product Data
http://ni.com/search

Updating songs on IPod in Windows and CPU usage

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