FCP gradually slows down during edit

Using FCP 4 on a 1.8 G5 with 2GB ram. I have a feature length film I am cutting. 11 hours of footage on a Lacie external hard drive and an hour and a half project in my sequence. The project works great the first twenty minutes it's open or it seems until I rapidly command zoom or some other command, then every time I ask for another command it takes a half beat longer, then a full beat then two beats etc. until finally I have to reboot. It used to work fine. My main external is working off a 800 fire wire. Any suggestions? Thanks for your time.

Welcome to the family.
Search the forum for your term; it's been an issue with FCP for several years. I do not recall a favorable solution but what we most often suggest is to break up your project into shorter reels. It's not a satisfactory answer, we know, and the idea really upsets some types of editors. Hope you're not one of those.
bogiesan

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Windows 8.1 "explorer.exe" gradually slows down - Observation

Hi, I posted a question a year ago about Windows 8.1 gradually slows down issue, and it seems still not being solved. I recently found some new clues about this, hope it can be useful. (Please read the original post first
since it contains basic descriptions of the issue:
https://social.technet.microsoft.com/Forums/en-US/f9ab40a8-6681-4c66-bdbd-9de7b2fb021f/windows-81-gradually-slows-down-after-hours-speed-returns-normal-if-restart-explorerexe?forum=w8itproperf)
This issue is found to be somehow related to total Page Faults of explorer.exe since it starts. The majority of page fault is created by desktop background slide show. On my laptop, the slide show is set to randomly switch between 53 jpegs
(mostly 1920*1080) every 10 seconds. The Page Fault Delta of explorer.exe is usually 2 per second when not doing anything, and tenth to hundreds when there are some actions. But at the instance when the background is switching, it will peak to a value
between 13,000 and 30,000.
I don't know if this value is normal or not, but when the total Page Faults reaches about 20,000,000, a slight slow-down can be observed by moving your mouse up and down on the favorite bar items in IE (the right bar shown when pressing Alt+C
in IE), a slight lag can be observed. The slow down (slightly) of normal windows can be observed when Page Faults reaches about 40,000,000. At that time, the mouse lag on favorite bar items becomes much more obvious. After another few hours, the slow-down
will become more serious.
I tried to disable the slide show by only using one background image, the total Page Fault stays low and the slow-down issue does not occur after one day (the Page Fault after one day is also far less than 20,000,000). That's why restarting explorer.exe
can temporarily fix it. I tried it on 2 other Windows 8.1 computers and get the same results. Maybe there is some memory allocation or fragmentation problem building up? One thing I don't know is that if this is caused by the background slide show itself,
or if explorer.exe in general will slow down after experimenting enough page faults.

Polyhedron,
This main reason of this issue is not the Windows system. A page fault occurs under these situation:
1. A program requests an address on a page that is not in the current set of memory resident pages.
2. The virtual memory system has become unstable because of a shortage of physical memory (RAM).
3. The virtual memory system has become unstable because of a shortage of free disk space.
4. The virtual memory area is corrupted by a program.
5. A program is attempting to access data that is being modified by another program that is running.
Please refer this blog to determine it's hard faults or soft faults.
The Basics of Page Faults
http://blogs.technet.com/b/askperf/archive/2008/06/10/the-basics-of-page-faults.aspx
In addition, from your description, since the background slide itself is without problem, I suspect the root is your ram. Try to increase the amount of memory or reduce the cache size for test.
Karen Hu
TechNet Community Support

Windows 8.1 gradually slows down after hours. Speed returns normal if restart "explorer.exe".

I have Windows 8.1 Pro (x64) installed on Alienware M17x. The slowdown mostly appears as slow response in the situation such as open a folder/window, open/close/switch tabs in IE, drag window, and there's also cursor lag. It gradually
slows down after system boot, noticeable after 3-4 hours, really slow after 8-9 hours.
I have thought about many possible processes which can cause this issue, and then I found out that it's caused by "explorer.exe". If I kill "explorer.exe", the speed suddenly becomes normal. Then, I restart explorer.exe
again, it stays normal, and then it still gradually slows down again after hours.
I have checked driver or software compatibility. Also, CPU usage and Disk usage is normal.
Please give some advises, reasoning, or solutions.

SaccoSVD
The process that is causing the problem is called sidebar.exe and I am curious why it is running on a win 8 machine as I dont believe it is built in. (It seems to have over 22,000 instances launched so I suspect either malware or a broken app)
It is usually associated with a Vista machine, or updated win 7 machine. Did you do do a clean install? Have you run a malwarebytes scan?
Please download the free version of Malwarebytes.
Update it immediately.
Do a full system scan
Let us know the results at the end.
http://www.malwarebytes.org/products
Wanikiya and Dyami--Team Zigzag

My MacBook pro has gradually slowed down to a halt since installing lion. The spooning rainbow is still going after an hour and it won't force quit. Anybody know what to do? Ps new to this! Thanks in advance.

My MacBook pro has gradually slowed down to a halt since installing lion. The spooning rainbow is still going after an hour and it won't force quit. Anybody know what to do? Ps new to this! Thanks in advance.

http://www.apple.com/support/macbookpro-videoissues/

Downloading Aperture has slowed down photo editing on my iMac. Should I delete iPhoto?

Downloading Aperture has slowed down photo editing on my iMac. Should I delete iPhoto?

So it was only the initial preprocessing after an import of a complete library. If your system drive is nearly full, you should expect performance problems. Try to free at least 20% of your drive.
I would try to keep your iPhoto Application - it is only 1.1 GB and you may need it later; but you can safely delete the iPhoto Library once you are sure, you imported it successfully. iPhoto can do some things Aperture cannot - e.g. greeting cards, calendars. And it is always nice to have a second application for testing purposes, if something should go wrong.
But make a backup copy of the iPhoto Library, just in case. Sometimes you will notice years later that a single image not imported correctly, and then you will be glad you still have a backup of the original iPhoto library.
Regards
Léonie

Rendering speed is slowing down during process, almost up to freeze

Hello there!
First of all, I'm a new person to After Effects. I bet I just doing something wrong, but anyway I would like to ask an advice how to fix my issue because googling such subject won't solve it.
The point is following:
I rendering 120-minutes long video for YouTube. It almost static with no effects, just with a few simple fade-in/out transitions on couple of layers. You can find an example of such video on YouTube by this link: Daniel Lesden - Rave Podcast 056: guest mix NitroDrop (Israel) - YouTube (for some reason, specifically this video was rendered successfully previously).
Process is going very well at first, 1 minute of playback rendering for about 30 seconds, so first hour of the video rendering for 30 minutes.
The problem starts at about 70% of overall progress: it start to slowing down, and then goes to 1 frame rendering for 1 second. As you can imagine, it's a pain for such long videos, it will take a days to finish last 20-30%.
Composition and render settings are following:
Size: 1280 x 720 px
FPS: 30
Format: Quicktime
Codec: ProRes 422. I've also tried: Animation, Photo JPEG, another ProRes and even H.264, but outcome was the same.
Output module settings screenshot:
Multi-processing settings:
On this point I have to say that I've tried many different options with amount of CPU, RAM or with Multi-processing option turned off completely, but in the end it all was the same.
After Effects version: CC 2014 (still on trial version, but it shouldn't be a problem since Adobe don't have any limitations for trial versions as far as I know).
Computer and OS information:
Any advices please? I'll very appreciate every possible solutions.

"open AE preferences>General then move to the bottom tab and set AE to purge every 10 frames or so"
— I've set this parameter to 10 as suggested, and here are the last render queue results:
First 60-minutes video rendered superb good for 1 hour 17 minutes.
Second 120-minutes video goes really badly: it took 8 hours to render about quarter due to error. Here is what I found in the error log: "There is an error in background rendering so switching to foreground rendering after 246 frames completed out of total 216000 frames. (26 :: 142)".
Later I've tried to render second video again, and it was great almost till finish: 1 hour 45 minutes has been rendered for less than an hour. But then it suddenly slowed down (as described in the original post), so I had to stop it. I installed Memory Dig and "optimized" memory before rendering and once during process, but it didn't help. In the end I just rendered last 15 minutes of the video (with no issues) and just merged it into 120-minutes long file using Video Joiner. Pretty sad method, although.
On a third attempt everything was fine until rendering stops by a new error in popup window: "After Effects error: internal verification failure, sorry! {could not find itemframe we just now checked in}".
So the original problem still wasn't solved yet unfortunately.

PID control loop slows down during execution.

Hi, I am a attaching a LV8.6 code that i am currently using to control my engine experiment. I use PID control where the input signal is an rpm value that i measure using a counter. The ttl signal from the sensor is not clean and so i use an analog trigger to generate pulses on the counter from where i measure the frequency and hence the rpm. The output is generated as an analog voltage on an output channel. The problem i am facing is that the loop runs really good when i start off but gradually the loop keeps slowing down and this greatly affects my ability to control engine speed. I am not sure why this is happening. I tried increasing the sample size and rate (so as to increase the buffer size) but this didnt have any effect on the speed. I am guessing its a problem with the way i have my loops setup.. any suggestions would be greatly appreciated.
Thanks, Shyam.
Attachments:
PID control loop.vi ‏33 KB

Hi all..I realised my mistake soon after posting as usually is the case..the create channel vi for doing the analog output to the output channel was within the loop and slowing things down..when i moved it out..it fixed the problem!!
Shyam.

Aperture slows down on edited files

Hi folks, i run Aperture 2.1.2 on a 13" MacBook 2,4 GHz with 4 GB of RAM.
I noticed a loss of performance on both referenced and managed files as they get edited, especially when added of sharpen and enhance adjustments: the more adjustments they get the more Aperture slows down, especially annoying is scrolling through a 100% zoomed photo, with the movement delayed by 2/3 seconds...
There's actually a difference between referenced and managed files, as managed ones respond a bit better, but still not as an original one.
P.S. all masters are on the internal drive.
Thanks for any suggestion...

cwog is correct about the overhead for displaying edited master images, but I disagree with his suggestion to export to view images. I suggest you use "Quick Preview" to display photos with minimal delay (use "P" as shortcut to turn on and off). You need to make sure you generate a preview automatically and set the size and quality under "Preferences --> Preview." Previews do not require the calculations for display as does the edited master image. Display time is much quicker.
Dave

System gradually slowing down?

I hope I'm not picking up a topic which has been discussed a gazillion times, but I couldn't find my specific questions after doing some searches. There's a few things I won't to clear about Mac OS.
I have a MBP 2009 with 4GB mem and 500GB HD. It still runs smoothly however it defenitly runs slower than in the beginning. I guess that's a bit normal (more programs, files, mails, junk,...).
I've been a PC user most of my life and switched about a year ago. i'm happy. I always found it necessary to do a reinstall of the OS on a pc every 1-2 years (even though I try to keep my stuff very clean). I'm curious how this effects on Mac OS?
If I would do a reinstall, let's say from a Time Machine Backup (so with all my files, programs, mails, settings etc.), would the system run exactly the same or are there some core OS operations that will run 'smoother' after a re-install (with a TM backup). (I guess for a PC that would be a clean registry and not having 'unknown' processes/programs loading at the back).
Also, is having installed a lot of applications (even when they are not running) slowing down the system. I guess it shouldn't as long as there's enough disk space.
And then finally, do disks slow down after a while. Is having a 10% full HD (much) faster then 60% full (mine is around 60%). also disk defrag is no longer 'necessary' in the latest versions of Mac OS but I just can't imagine that after +1y heavy usage some files are "spread out".. (I'm no expert on file systems so I could expect an answer as: "no, EXT FS doesn't have fragmentation"
Anyways, these are a few doubts I still have around a Mac OS system slowing down:
-reinstall OS (this one particularly since i'm thinking of upgrading to new laptop, and wonder if I should start from scratch and copy manually or use my Time Machine backup to reinstall)
-having many apps (not running)
-disk fragmentations, or just hardware slowing down
cheers!
Philippe

If you have not already done so, run Disk Utility's "Verify Disk" & "Repair Permissions" steps on your HD. All utilities that do permissions repairs use exactly the same built-in function of the OS to do so, so it doesn't matter if you do this through Onyx, Disk Utility, or Disk Warrior.
The verify/repair disk step is a bit different: all utilities use the same method of detecting file system errors but (for example) Disk Warrior rebuilds file system directories from scratch (including perfectly useable ones), which often can repair damage Disk Utility can't, & has a side benefit of simplifying directory structures. Once, back when HD's were much slower & less sophisticated than they are now, this could make a large difference in file system performance. Now, it is debatable that an otherwise OK directory structure would show a noticeable improvement.
IOW, if your HD's file system is healthy or only has minor problems, Disk Warrior won't do much of anything of real value that Disk Utility can't, but it can be a lifesaver if Disk Utility can't repair certain kinds of problems it can detect.
The same is true for file fragmentation -- unless the drive is full of very fragmented files, defragmenting it probably won't show much real world improvement.
The number of inactive applications on your Mac makes almost no difference in performance. What can easily do so is the number of active processes running at any given time. As a former PC users, you may not fully appreciate the difference between quitting an app & closing all its windows. Closing all an app's windows is somewhat like old TSR (terminate & stay resident) DOS programs -- it is still using some system resources, although not as many as when it is active. So, if you aren't already doing so, remember to quit applications you do not plan on reusing for a while.
Just as importantly, don't load down the OS with a lot of unnecessary add-ons, especially ones that modify the user interface in some way. Each of these things uses some system resources; a few can destabilize the OS, causing recoverable code exceptions you may not be aware of without searching through system logs but still creating extra work for the CPU.
If or when you remove add-ons or applications, be sure to check the documentation for the proper way to do that. If you don't, you may leave behind files that impact performance.

MacBook Gradually Slowing Down?

I've had my MacBook since November '06, but just recently, it seems to be slowing down.
In case if you need the details, I have a 2 GHz Intel Core 2 Duo processor and 2 GB 667 MHz DDR2 SDRAM.
Anyway, when I turned on my computer, the boot up time seemed maybe 30 seconds longer than usual, the Dock's magnification feature doesn't work anymore, the top menu bar doesn't allow me to browse through the various options with the directional pad, and panning over links don't highlight or show information at the bottom activity bar in Safari. TechTool Deluxe tells me that my system is fine. Should I worry about anything, take it in for a checkup, or any other advice?
Note: I also have an AppleCare Plan that came with the computer.

Sounds to me like your system is rife with problems. I would start with:
Repairing the Hard Drive and Permissions
Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Installer menu (Utilities menu for Tiger and Leopard.) After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer. Now restart normally.
If DU reports errors it cannot fix, then you will need Disk Warrior (4.0 for Tiger, and 4.1 for Leopard) and/or TechTool Pro (4.6.1 for Leopard) to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
I would then do some maintenance:
Kappy's Personal Suggestions for OS X Maintenance
For disk repairs use Disk Utility. For situations DU cannot handle the best third-party utilities are: Disk Warrior; DW only fixes problems with the disk directory, but most disk problems are caused by directory corruption; Disk Warrior 4.x is now Intel Mac compatible. TechTool Pro provides additional repair options including file repair and recovery, system diagnostics, and disk defragmentation. TechTool Pro 4.5.1 or higher are Intel Mac compatible; Drive Genius is similar to TechTool Pro in terms of the various repair services provided. Versions 1.5.1 or later are Intel Mac compatible.
OS X performs certain maintenance functions that are scheduled to occur on a daily, weekly, or monthly period. The maintenance scripts run in the early AM only if the computer is turned on 24/7 (no sleep.) If this isn't the case, then an excellent solution is to download and install a shareware utility such as Macaroni, JAW PseudoAnacron, or Anacron that will automate the maintenance activity regardless of whether the computer is turned off or asleep. Dependence upon third-party utilities to run the periodic maintenance scripts had been significantly reduced in Tiger and Leopard.
OS X automatically defrags files less than 20 MBs in size, so unless you have a disk full of very large files there's little need for defragmenting the hard drive. As for virus protection there are few if any such animals affecting OS X. You can protect the computer easily using the freeware Open Source virus protection software ClamXAV. Personally I would avoid most commercial anti-virus software because of their potential for causing problems.
I would also recommend downloading the shareware utility TinkerTool System that you can use for periodic maintenance such as removing old logfiles and archives, clearing caches, etc.
For emergency repairs install the freeware utility Applejack. If you cannot start up in OS X, you may be able to start in single-user mode from which you can run Applejack to do a whole set of repair and maintenance routines from the commandline. Note that presently AppleJack is not compatible with Leopard.
When you install any new system software or updates be sure to repair the hard drive and permissions beforehand. I also recommend booting into safe mode before doing system software updates.
Get an external Firewire drive at least equal in size to the internal hard drive and make (and maintain) a bootable clone/backup. You can make a bootable clone using the Restore option of Disk Utility. You can also make and maintain clones with good backup software. My personal recommendations are (order is not significant):
1. Retrospect Desktop (Commercial - not yet universal binary)
2. Synchronize! Pro X (Commercial)
3. Synk (Backup, Standard, or Pro)
4. Deja Vu (Shareware)
5. Carbon Copy Cloner (Donationware)
6. SuperDuper! (Commercial)
7. Intego Personal Backup (Commercial)
8. Data Backup (Commercial)
The following utilities can also be used for backup, but cannot create bootable clones:
1. Backup (requires a .Mac account with Apple both to get the software and to use it.)
2. Toast
3. Impression
4. arRSync
Apple's Backup is a full backup tool capable of also backing up across multiple media such as CD/DVD. However, it cannot create bootable backups. It is primarily an "archiving" utility as are the other two.
Impression and Toast are disk image based backups, only. Particularly useful if you need to backup to CD/DVD across multiple media.
Visit The XLab FAQs and read the FAQs on maintenance, optimization, virus protection, and backup and restore.
Additional suggestions will be found in Mac Maintenance Quick Assist.
Referenced software can be found at www.versiontracker.com and www.macupdate.com.
If you still see no improvement and the described problems still persist then you should probably go the extreme and do a reinstall:
How to Perform an Archive and Install
An Archive and Install will NOT erase your hard drive, but you must have sufficient free space for a second OS X installation which could be from 3-9 GBs depending upon the version of OS X and selected installation options. The free space requirement is over and above normal free space requirements which should be at least 6-10 GBs. Read all the linked references carefully before proceeding.
1. Be sure to use Disk Utility first to repair the disk before performing the Archive and Install.
Repairing the Hard Drive and Permissions
Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Installer menu (Utilities menu for Tiger.) After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported, then quit DU and return to the installer.
If DU reports errors it cannot fix, then you will need Disk Warrior (4.0 for Tiger) and/or TechTool Pro (4.5.2 for Tiger) to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
2. Do not proceed with an Archive and Install if DU reports errors it cannot fix. In that case use Disk Warrior and/or TechTool Pro to repair the hard drive. If neither can repair the drive, then you will have to erase the drive and reinstall from scratch.
3. Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. When you reach the screen to select a destination drive click once on the destination drive then click on the Option button. Select the Archive and Install option. You have an option to preserve users and network preferences. Only select this option if you are sure you have no corrupted files in your user accounts. Otherwise leave this option unchecked. Click on the OK button and continue with the OS X Installation.
4. Upon completion of the Archive and Install you will have a Previous System Folder in the root directory. You should retain the PSF until you are sure you do not need to manually transfer any items from the PSF to your newly installed system.
5. After moving any items you want to keep from the PSF you should delete it. You can back it up if you prefer, but you must delete it from the hard drive.
6. You can now download a Combo Updater directly from Apple's download site to update your new system to the desired version as well as install any security or other updates. You can also do this using Software Update.

Teststand slows down during overnight testing

Hello All,
I have Teststand 4.2 and labview 9.0. I need to run a number of tests repeatedly where the duration of testing could be typically 48 hours. I have just started to run these extended tests but have found Teststand slows down after a number of hours to the point where I noticed a 1 second wait step takes 4-5 seconds to run. At this point the test system results are invalid.
I have looked on the NI userforum and believe the issue relates to the report results getting larger and larger to the point where it reduces the performance of the PC. I have used the Teststand settings described here:
http://forums.ni.com/t5/NI-TestStand/teststand-become-slow-and-slow/m-p/792363
Is this the most efficient setup? I imagine theres a way to tell Teststand to save all the results every minute then flush the buffer so it doesnt affect the testing. I noticed the "Configure > Report Options > conserve memory ..." option stops results being logged when I terminate the sequence.
Thanks In Advance
Regards
Chris

Hi,
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Regards
Ray Farmer

Gradually slow down a clip?

I want to slow down a clip from 100% to 0% speed, like using pitch blender in sound.
Actually to match a slowed sound. Is there a way please? So far I only know how to
razor the clip and slow it down in tiny segments, but that seems kinda rough.
Thanks anyone
Steve z

Click on the clip and then go up to the Effect Controls panel and keyframe the Time Remapping effect from 100% to 0%.
Although as you approach 0% the clip can get pretty long so you will want to drop to zero in a big jump part way along.

ITunes gradually slows down whilst transferring music

I have restored and done all the usual things to the ipod. However with a newly restored ipod, i start transferring music over, then about 40% of the way through the transfer (no matter how many tracks, in this instance 222 and this starts at 95) it slows down immediatly. And i mean slow down to about 4 - 5 mins per track. It looks like it is transferring the music but so slow that it would be quicker to go out and re-buy all the music on CD, re-import it and then burn it all onto an MP3 cd.
Any ideas what could do this? It only happens on 1 ipod, my other and my iphone is fine.

SLOW~~NO~~HELP~~!!
I only found your question because all of the sudden...
I am having the same situation...
At least you know that you are NOT alone~
Hello Apple, Any Help~
Or was Nakodari correct...
http://www.addictivetips.com/windows-tips/5-ways-to-speed-up-your-slow-itunes/

WRT54GS v.7 - Internet browsing gradually slows down when assigned an IP address.

After assigning an IP address to a PC connected via wire to WRT54GS v.7, internet browsing gradually goes to a crawl and practically stop working. When the address is assigned by DHCP, there are no issues.
Is this a known issue with the router? Are there any pitfalls to avoid when assigning an IP address with WRT54GS v.7? Any pointers on this is greatly appreciated!
Message Edited by wootman on 03-13-2009 08:03 PM
Message Edited by wootman on 03-13-2009 08:04 PM

Browsing should not go down if you assign static/manual ip address on your router...If it is working fine with the DHCP assigned IP Address i would suggest you stay with the DHCP assigned address...

My FCP pro crashes frequently during edit to tape. It's frustrating.

MY FCP pro crashes frequently in the middle of edit to tape. I have 8 gigs of ram and the quad core processor. Do I need to add more ram or what? I get the "disc is too slow" message or whatever. Any suggestions?

Sorry about that. Forgot there was an X. Will move to other forum. Also, that's means I can't upgrade to X if there isn't an edit to tape!

FCP gradually slows down during edit

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