Active X, MS Office Spreadsheet 11.0 Memory Leak

Hi,
Can anyone see what I'm doing to cause a memory leak? I am using LabVIEW 2011 (and this happens in 8.2.1 also).
Is the last Close Ref. needed because there's an allocation evey loop?
Is it bad that there's a buffer allocation on the right side of 'Value2'?
I've attached an image and the actual VI.
Thanks,
Albert
Attachments:
Excel_LV2011_CalcFullk.vi.PNG ‏45 KB
Excel_LV2011_CalcFullk.vi ‏12 KB

I added the last Close Ref. because there is a buffer allocation on the ref. input of the Range node, I couldn't think of anything else to do to reduce memory usage, and the close seems to reduce (but not eliminate) memory leakage.
I have the invoke node in the loop to simulate a more complicated situation that seems to be leaking memory and I want to exaggerate problems here so I know what should and should not be done.
I also suspect that I don't really have a good way of checking for memory leaks. All I do is run the VI(s) and then watch Mem Usage for LabVIEW in my task manager. I see memory usage go up 1.M over about 70 minutes but it usually doesn't go up with other VIs.
Is Is there a better way? Should I make a build of this VI and then use software that finds memory leaks?

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Hardware Information: ℹ️
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Suspected memory leak in numbers

Dear All!
I am facing a problem in Numbers, which seems to me a memory leak issue.
The original problem occurred when I tried to process a data set consisting of 6 tables of 6 columns by 600-800 rows. A scatterplot with 6 series has been created using 2 selected columns of each table. The "your startup disk is almost full" was first symptom when I realiser that something is going wrong. I traced back using activity monitor that when I edit the spreadsheet the memory fills up rapidly. Once the memory is full the program starts to use up the swap area. I my case I have about 20 GB empty SSD space. After a few hours of work on this table the entire memory and the SSD was filled up.
To check whether the file is corrupted or something else issuing on I made a mock file to test the behaviour. I could produce the same response with a single table of 2 columns and 3000 rows of random numbers and a scatter plot of the this pairs of numbers.
Originally I have faced the problem on a mid 2014 MBP running OS 10.10.3 (i5, 8GB, 128GB SSD) but I have carried out the mock data experiment also on a 2014 MBA OS10.10.2 (i5, 8GB, 128GB SSD) and I have experienced that the memory usage keeps on increasing as I roll up and down in the table, just like on my MBP and in case of the original file. During the few minutes of the test on the MBA the memory usage of the Numbers application indicated in Activity Monitor shoot up from 70Mb to over 1GB and kept on increasing with every operation carried out in numbers, regardless the type of the operation. In this sense there was no difference whether it was rolling the sheet or saving the file.
The extra applications that are installed on both computers: Latex, and Parallels (but non of them were running during the tests)
On my MBP I ran a leak command in terminal for the Numbers and got the following result.
Last login: Thu Apr 16 14:03:17 on ttys000
Peters-MacBook-Pro:~ xxxxxxxx$ leaks 5743 --nocontext
Process:         Numbers [5743]
Path:            /Applications/Numbers.app/Contents/MacOS/Numbers
Load Address:    0x102553000
Identifier:      com.apple.iWork.Numbers
Version:         3.5.2 (2118)
Build Info:      Numbers-2118000000000000~1
Code Type:       X86-64
Parent Process: ??? [1]
Date/Time:       2015-04-16 14:13:01.457 +0200
OS Version:      Mac OS X 10.10.3 (14D131)
Report Version: 7
Analysis Tool:   /usr/bin/leaks
leaks Report Version: 2.0
Process 5743: 1320819 nodes malloced for 996727 KB
Process 5743: 158802 leaks for 871233088 total leaked bytes.
I have searched similar issues on the net and on the community sites but unfortunately could not find any relevant information.
Any help or suggestion would be highly appreciated.

Dear Wayne,
Thanks for your suggestions, I will definitely make a bug report. In fact I have already tried it through apples homepage, and I wanted to make a more specific one but to do so you have to become a developer... which would be a really bad joke.
However I did the mock experiment with 700 lines of random data in 2 columns and a scatter plot of the 700 points. The same happens. The memory usage of Numbers went up to 1.63GB... even higher since I have checked.
To answer your questions I have MBP 128 GB SSD of which 20 GB is free, RAM: 8GB
You see... my original problematic dataset consisting of 6 times 500-800 points has been plotted in a fraction of a second, handled as easy as in Excel, LibreOffice or Gnumeric (which are not intended for handling a lot of data; for that purpose I use Matlab or Python). So without any complains or extra effort my data points are plotted beautifully (as lines with no markers to keep the plot clear), but the memory is gradually filled up...
I am not sure it is the right approach to reduce the use of Numbers for very tiny datasets. This would mean that you were unable to make a chart for two years of data of precipitation or temperature or stock value or anything... sounds very unlikely. It sounds like you have a nice car that can go 280 km/h and reach 100 km/h in 4s, with the only the restriction that wheels are designed to fall off at 30 km/h without warning! I don't think that is the case. Would be very unbalanced performance.
Many thanks again. I'll go and make my bug report to get the wheels reinforced .
Peter

Memory leaks in Lion?

I have a 2008 21-inch iMac, and a 2010 MacBook Pro, both with 4 GB RAM, running OS X Lion 10.7.3. Ever since I installed Lion, I've had this problem of available memory dwindling to almost nothing (10-20 MB) after a day or so of usage. Last night I went to bed and the MacBook Pro had 400 MB available (according to Activity Monitor) and when I woke up this morning it was nearly frozen with only 10 MB available.
I'm not an extreme techie but I've been working in the IT world for over 30 years, including 3 years with Apple, and in my experience this situation is called a Memory Leak. If it were just one of my systems I would suspect something local, but they both behave the same way. (My partner's machine does the same thing.) I've installed the 3rd-party app Memory Freer, which frees up 6-800 GB each time I run it. But as time goes on the memory fills back up again more quickly, and finally I have to reboot.
Checking Activity Monitor, it's not just one app that takes up memory - they all seem to grow over time. (Mail, iPhoto, iTunes, Word, Chrome, etc.) Chrome seems to be the worst offender, with a plethora of Worker and Renderer processes grabbing 10-80 MBs for each open window - and I often leave 10-15 open at any given time. But all apps' memory usage grows over time, even if I haven't accessed them - witness last night's spontaneous bloat on my MacBook.
I've read a couple of other threads on Memory Leaks, but most point to a single app or just suggest Memory Freer. Does Apple know it's got a major league problem here? Are they doing anything about it?
One other point - I get the spinning ball on a lot of tasks, most often with Word and and Excel re-calc, which can last 3-5 seconds, and is another indicator of system overload, even when I've cleared the memory with MemoryFreer and there is supposedly several hundred GB of RAM available. This issue lessens after reboot, but is almost constant with Microsoft Office apps.

LKHill wrote:
I tried the kextstat message and the response was:
Index Refs Address Size Wired Name (Version) <Linked Against>
which apparently indicates that there are no kernel extensions running.
That means you don't hve any non-Apple kernel extension. There are still lots of other possibilities for third party interference. Are you running any kind of anti-virus or clean-up software? Those aren't needed and will likely just cause problems.
I understand what you're all saying about unused memory going to waste, but for MacOS to operate "correctly" it would need to free up previously-allocated memory as it is needed by other or new applications, and it doesn't seem to be doing that. It's just acting like it's out of memory, with all processes slowing to a crawl.
"Free"? You are still looking at memory. If all processes are slowing to a crawl, then that is a problem worth investigating. If you can't get past the assumption that memory is the cause, you'll never figure it out.
I did check CPU utilization as well, and it's rarely over 25%. However, on one of my systems, Page Outs were about equal to Page Ins, substantially over the 10% "healthy" threshold that was suggested. So I upgraded to 10.7.4, and Page Outs are down in the acceptable range. The overnight bloat also seems to have gone away, but each app still creeps up with time, albeit more slowly now.
I too would like to return to the days of 10.6 where I didn't reboot for days - or weeks - and Microsoft apps didn't display spinning wheels with each reactivation task or any simple calculation or text move.
So, in other words, you fixed the memory problem but the performance issues remain. That tells me that it isn't a memory problem.
Also, because you seem unwilling to look past memory, I'm unwilling to accept your CPU usage claims. Sometimes it takes several attempts before I can get people to setup Activity Monitor correctly to see exactly what is going on with their systems. That is step 1. We haven't made it to step 1 yet.
It seems clear that Lion's new process model is at least partially to blame here. With two completely different systems running (work MacBook, home iMac) plus my work partner's MacBook experiencing all the same symptoms, it's not likely my own setup. So I've also ordered an upgrade to 8 GB RAM.
Here's the rub. If low memory isn't the cause, buying more won't help.
I guess I'm just not accustomed to hating a new MacOS release, but between these performance problems and the inexplicable need to Duplicate TextEdit documents in order to do a Save-As (yeah, I know, Versioning is a great idea, blah blah - please get rid of it anyway) I really, really hate Lion.
It's just an operating system and doesn't care how you feel. I strongly suspect that feeling is more the explanation of any issues you have. I hate Linux. I really do. Therefore, I don't use it. While I would love to help you figure out what is wrong with your machine, that will only work if you meet me halfway and help look. If you have already identified the cause, then you don't need my help. The problem is Lion. Erase your hard drive and the problem will be gone.

Bad RAM memory (memory leak) on Macbook Air

I have a recent issue with my Macbook Air (2GB, 120 GB, bought two years ago, used as main laptop, upgraded to Mountain Lion 6 months ago):
Even though I run the same applications as before (Safari, Office for Mac, Calendar, iTunes, so nothing too heavy like Photoshop, Final Cut, or Autocad), I started receiving a warning message saying that there isn't enough memory to perform the applications.
I have 2GB RAM - which has always been enough for what I do. Also, my HD has 20GB of free space (from 120 GB), which also seems to be fine. It has performed well under much worse HD conditions.
I have noticed that things get even worse, when I open Office for Mac or Utilities - System Monitoring, Disk Utility (!!!)
I read that many people have faced a similar problem, and I have already tried everything that was suggested in their discussions:
- purge
- deleting calendar agent (someone said it could be caused by exchange calendars etc)
- Alt (Options)+R / Command+P while rebooting
- deinstalling Skype and Dropbox
I have just installed Memory Booster and Memory Clean from the Appstore - they automatically clean up the Inactive RAM when my free memory gets too low. This seems to have sorted things for now, but both applications have to do cleaning every 3-5 min.
Right now, with only Safari running (in addition to Memory Booster), my stats are ridiculous:
- Free: 11MB
- Inactive: 739 MB
- Active: 744 MB
- Wired: 298 MB
Virtual memory is steadily above 1GB...
I would really appreciate some help/advice. There is no apple service center in my city...
Thank you in advance!

What is the exact text of the message you are receiving?
My guess would be that your problems are twofold. First, 2 GB of RAM is bare minimum for Mountain Lion. If you were running Snow Leopard before, you will be able to do less on the same amount of RAM with Lion or Mountain Lion. If you are running all those apps you mention at the same time, you need more than 2 GB of RAM.
In addition, if your hard drive is running out of free space, you may be having an issue because of that as well. Your machine needs free hard drive space to store things like virtual memory swap files. How much space is free on your hard drive?

Yosemite and Mail massive memory leak and excessive CPU usage

I've just installed Yosemite and upgraded to 10.10.2 via the AppStore. Now I have a problem with Mail sucking up all the CPU (>106% !) and memory (>8Gb and rising while doing nothing). Everything runs fine when I quit Mail. Very disturbing behaviour!
I've tried several suggestions found elsewhere on the board here, such as turning off and even removing all Mail plug-ins including SpamSieve, but without positive results. I've tried un-selecting 'Store draft msgs on server', as well as the option for junk and sent msgs. but again without any difference. Going Offline within Mail also makes no difference to its memory hogging or CPU usage.
I notice this is an issue that's been around since last year (wish I'd known that before upgrading to Yosemite today) and I am just completely flabbergasted that it still exists. Would've thought Apple'd have fixed it in the first but certainly in the second incremental OSX Yosemite release.
Is there anything else I could try that's proven to be effective in stopping Mail's massive memory leak?

Okay, I've run Disk Util and restarted. Seems to have made a little bit of a difference to the RAM gobbling in that it appears to be going at a slower rate, but it's still up at around the 45Gb after an hour. Here's the EtreCheck report in the hope that it helps.
EtreCheck version: 2.1.6 (109)
Report generated 28 January 2015 4:38:22 pm AEDT
Download EtreCheck from http://etresoft.com/etrecheck
Click the [Support] links for help with non-Apple products.
Click the [Details] links for more information about that line.
Click the [Adware] links for help removing adware.
Hardware Information: ℹ️
    MacBook Pro (Retina, 15-inch, Mid 2014) (Technical Specifications)
    MacBook Pro - model: MacBookPro11,3
    1 2.5 GHz Intel Core i7 CPU: 4-core
    16 GB RAM Not upgradeable
        BANK 0/DIMM0
            8 GB DDR3 1600 MHz ok
        BANK 1/DIMM0
            8 GB DDR3 1600 MHz ok
    Bluetooth: Good - Handoff/Airdrop2 supported
    Wireless: en0: 802.11 a/b/g/n/ac
    Battery Health: Normal - Cycle count 16
Video Information: ℹ️
    Intel Iris Pro
        Color LCD spdisplays_2880x1800Retina
    NVIDIA GeForce GT 750M - VRAM: 2048 MB
System Software: ℹ️
    OS X 10.10.2 (14C109) - Time since boot: 1:1:19
Disk Information: ℹ️
    APPLE SSD SM0512F disk0 : (500.28 GB)
        EFI (disk0s1) <not mounted> : 210 MB
        Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
        Macintosh HD (disk1) / : 499.05 GB (413.24 GB free)
            Core Storage: disk0s2 499.42 GB Online
USB Information: ℹ️
    Apple Internal Memory Card Reader
    Asmedia ASM107x
        Asmedia ASM107x
    Apple Inc. Apple Internal Keyboard / Trackpad
    Apple Inc. BRCM20702 Hub
        Apple Inc. Bluetooth USB Host Controller
    Asmedia ASM107x
        Asmedia ASM107x
            Logitech Logitech USB Optical Mouse
            Apple, Inc. Keyboard Hub
                Apple, Inc Apple Keyboard
Thunderbolt Information: ℹ️
    Apple Inc. thunderbolt_bus
Configuration files: ℹ️
    /etc/hosts - Count: 2
Gatekeeper: ℹ️
    Mac App Store and identified developers
Kernel Extensions: ℹ️
        /Applications/DiskWarrior.app
    [not loaded]    com.alsoft.Preview (5 - SDK 10.5) [Support]
        /Applications/ibVPN.app
    [not loaded]    net.tunnelblick.tap (1.0) [Support]
    [not loaded]    net.tunnelblick.tun (1.0) [Support]
        /Library/Extensions
    [loaded]    at.obdev.nke.LittleSnitch (4231 - SDK 10.8) [Support]
    [loaded]    com.sophos.kext.sav (9.2.50 - SDK 10.8) [Support]
    [loaded]    com.sophos.nke.swi (9.2.50 - SDK 10.8) [Support]
    [loaded]    jp.plentycom.driver.SteerMouse (4.2.2 - SDK 10.6) [Support]
Problem System Launch Agents: ℹ️
    [killed]    com.apple.AirPlayUIAgent.plist
    [killed]    com.apple.CallHistoryPluginHelper.plist
    [killed]    com.apple.CallHistorySyncHelper.plist
    [killed]    com.apple.cloudd.plist
    [killed]    com.apple.icloud.fmfd.plist
    [killed]    com.apple.nsurlsessiond.plist
    [killed]    com.apple.pluginkit.pkd.plist
    [killed]    com.apple.security.cloudkeychainproxy.plist
    [killed]    com.apple.spindump_agent.plist
    [killed]    com.apple.telephonyutilities.callservicesd.plist
    10 processes killed due to memory pressure
Problem System Launch Daemons: ℹ️
    [killed]    com.apple.awdd.plist
    [killed]    com.apple.ctkd.plist
    [killed]    com.apple.icloud.findmydeviced.plist
    [killed]    com.apple.ifdreader.plist
    [killed]    com.apple.nehelper.plist
    [killed]    com.apple.nsurlsessiond.plist
    [killed]    com.apple.softwareupdated.plist
    [killed]    com.apple.wdhelper.plist
    8 processes killed due to memory pressure
Launch Agents: ℹ️
    [running]    at.obdev.LittleSnitchUIAgent.plist [Support]
    [not loaded]    com.adobe.AAM.Updater-1.0.plist [Support]
    [running]    com.adobe.AdobeCreativeCloud.plist [Support]
    [running]    com.sophos.uiserver.plist [Support]
Launch Daemons: ℹ️
    [running]    at.obdev.littlesnitchd.plist [Support]
    [running]    com.adobe.adobeupdatedaemon.plist [Support]
    [loaded]    com.adobe.fpsaud.plist [Support]
    [loaded]    com.microsoft.office.licensing.helper.plist [Support]
    [running]    com.sophos.common.servicemanager.plist [Support]
    [running]    com.synium.cleanappdaemon.plist [Support]
    [running]    com.syniumsoftware.CleanAppDaemon.plist [Support]
User Launch Agents: ℹ️
    [loaded]    com.adobe.ARM.[...].plist [Support]
    [running]    com.c-command.SpamSieve.LaunchAgent.plist [Support]
    [loaded]    com.google.keystone.agent.plist [Support]
    [not loaded]    com.linotype.FontFolderProtector.plist [Support]
    [failed]    com.wondershare.mobilegodaemon.plist [Support]
    [not loaded]    info.lokiware.attachmenttamer.cleanup.plist [Support]
    [invalid?]    info.lokiware.attachmenttamer.setupagent.plist [Support]
User Login Items: ℹ️
    Letter Opener Updater    Application (/Library/Mail/Bundles/Letter Opener.mailbundle/Contents/Resources/Software Update.app)
    iTunesHelper    Application (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
    Default Folder X Helper    Application Hidden (/Users/[redacted]/Library/PreferencePanes/Default Folder X.prefPane/Contents/Resources/Default Folder X Helper.app)
    FontExplorer X Pro    Application Hidden (/Applications/FontExplorer X Pro.app)
    Calendar    Application Hidden (/Applications/Calendar.app)
    SteerMouse Manager    Application (/Applications/Utilities/SteerMouse.app/Contents/MacOS/SteerMouse Manager.app)
    Mail    Application Hidden (/Applications/Mail.app)
    Android File Transfer Agent    Application (/Users/[redacted]/Library/Application Support/Google/Android File Transfer/Android File Transfer Agent.app)
    DiskWarriorStarter    Application (/Applications/DiskWarrior.app/Contents/Helpers/DiskWarriorStarter.app)
    finderpop-daemon    Application (/Users/[redacted]/Library/PreferencePanes/FinderPop.prefPane/Contents/Resource s/finderpop-daemon.app)
    XtraFinder    Application Hidden (/Applications/XtraFinder.app)
Internet Plug-ins: ℹ️
    AdobeAAMDetect: Version: AdobeAAMDetect 2.0.0.0 - SDK 10.7 [Support]
    FlashPlayer-10.6: Version: 16.0.0.296 - SDK 10.6 [Support]
    QuickTime Plugin: Version: 7.7.3
    AdobePDFViewerNPAPI: Version: 11.0.10 - SDK 10.6 [Support]
    AdobePDFViewer: Version: 11.0.10 - SDK 10.6 [Support]
    Flash Player: Version: 16.0.0.296 - SDK 10.6 [Support]
    Default Browser: Version: 600 - SDK 10.10
    SharePointBrowserPlugin: Version: 14.4.7 - SDK 10.6 [Support]
User internet Plug-ins: ℹ️
    iGetter Plugin: Version: 2.9.3 [Support]
    iGetterScriptablePlugin: Version: 2.9.3 [Support]
Safari Extensions: ℹ️
    1Password [Installed]
    iGetter Extension [Installed]
3rd Party Preference Panes: ℹ️
    Default Folder X [Support]
    FinderPop [Support]
    FUSE for OS X (OSXFUSE) [Support]
    SteerMouse [Support]
Time Machine: ℹ️
    Time Machine not configured!
Top Processes by CPU: ℹ️
      105%    Mail
        3%    WindowServer
        2%    sysmond
        2%    Activity Monitor
        0%    fontd
Top Processes by Memory: ℹ️
    4.10 GB    Mail
    103 MB    Finder
    86 MB    SophosScanD
    86 MB    InterCheck
    86 MB    WindowServer
Virtual Memory Information: ℹ️
    84 MB    Free RAM
    2.92 GB    Active RAM
    2.87 GB    Inactive RAM
    2.76 GB    Wired RAM
    2.57 GB    Page-ins
    23 MB    Page-outs
Diagnostics Information: ℹ️
    Jan 28, 2015, 03:37:41 PM    Self test - passed
    Jan 28, 2015, 02:49:01 PM    /Users/[redacted]/Library/Logs/DiagnosticReports/Android File Transfer Agent_2015-01-28-144901_[redacted].crash
    Jan 28, 2015, 09:31:04 AM    /Library/Logs/DiagnosticReports/Mail_2015-01-28-093104_[redacted].cpu_resource. diag [Details]
    Jan 28, 2015, 07:39:17 AM    /Library/Logs/DiagnosticReports/AdobeCrashDaemon_2015-01-28-073917_[redacted].c rash
    Jan 27, 2015, 07:54:29 PM    /Library/Logs/DiagnosticReports/AdobeCrashDaemon_2015-01-27-195429_[redacted].c rash

Active X, MS Office Spreadsheet 11.0 Memory Leak

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