Applications :: Can Utilization Graphs Actually Be Trusted When The 8 Cores Are Virtual
Nov 17, 2009
Just got my i7 iMac the other day. Not all apps use all cores (as expected), but I'm interested to understand this one. Export MPEG2 (TS stream) from EyeTv to AppleTv format (I think it uses quicktime but can't tell).
Check out the pic. Now there are 4 real cores, but OSX is showing the 8 virtual cores. Anyway, given there are 4 cores, what does it imply to have around 50% total utilisation? Two threads? Four threads?
I notice that BOINC (einstein@home) only gets up to total utilisation when its running 8 threads. Does this mean that EyeTv (quicktime) is asking for number of cores and then creating that many threads? EyeTv is only showing one line time in Activity Monitor at around 400%.
Can these utilisation graphs actually be trusted when the 8 cores are virtual?
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Oct 19, 2010
I just have a quick question about Numbers (iWork '09). I need to graph some supply and demand graphs for school. How would I go about doing this? Whenever I create a graph based on a chart, it just plots each row as it's own line. I can only edit the values in the Y-axis, and obviously I need to be able to work with the X-axis as well.
Update: I played around with it more and figured it out. I guess you have to graph it as a scatter plot and then choose to connect the dots, and remove the dots, rather than choose the line graph, whose icon looks just like a graph of supply and demand.
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May 18, 2010
I have been using Matlab and Excel to plot graphs for academic papers. While both are good applications for plotting simple graphs with 3 or less curves in each graph, I run out of line styles and color when I try to plot many curves on the same graph. The situation is worsen when it is required that all the curves be in black and white. Do you know of good applications (freeware and commercial) that allow can provide nice looking graphs with lots of choices of line styles?
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Mar 16, 2009
I Have been agonizing over which Mac Pro would optimize the performance of my Digital Audio Workstations, Pro Tools in particular. Honestly, I have been back and forth with deliberating that now I am burnt out,
I hear Mixed Reviews on the New Nehalem 2.26 GHz Mac Pro Octo. I have also come to believe that 8 Cores Benefit Video More Than Audio, the diagnosis being that 8 Cores Is Overkill for audio. Is Pro Tools A Multi-Threaded App. And What Mac Pro Would Be Best For Audio?
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Mar 30, 2009
I'm looking at replacing my ancient G5 tower with a new Mac Pro, and looking at the options, obviously I have to decide between the single CPU quad-core or the 2 CPU "eight-core" solution.
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Feb 14, 2012
Excel on my mac is so confusing and i have never used it before. It prints out everything but the grid lines for the graph..without the gridlines, the graph looks weird and not easy to read..The print preview shows the grid lines on the mac but when it prints out, i get a weird graph..
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MacBook Pro, Mac OS X (10.7)
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Aug 25, 2009
I have a macmini (80GB HD) with an external USB HD of 160GB. The external drive has 2 partitions and on one of them (size: 100GB) I make time machine backups, but the partition also contains a few other folders. The finder tells me this partition, has only 26GB available space. looking at the size of the folders, there is only something like 30GB used, so it seems 44 GB is not accounted for!
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Apr 14, 2010
So I have a MacBook 4,1 with Windows 7 32bit installed via bootcamp. I would install 64bit however at the current time the drivers don't exist for older Macbooks for Windows 7. Anyways, I have 4GB of RAM installed and as most are aware, 32bit Windows only recognizes like 3.5GB or RAM. For some reason my Windows 7 tells me I only have 3.0GB... but that is beside the point. I want 4GB useable. Back when I had Windows XP installed, I remember enabling PAE support to allow for using 4GB... however I don't remember how I did it and I'm also sure it's a bit different in Windows 7. So long story short, anyone know how to enable PAE in Windows 7 so I can utilize 4GB of RAM? Also I've heard there are some issues even if you can get this working.
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May 19, 2010
Is there a product that I can either install or if it already exists on my Unibody MB, how can I see the temp and CPU utilization. I have CoconutBattery for my MB but I am looking for a Visual Aid to see CPU and Temps, is this possible.
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Jul 18, 2010
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Jul 24, 2010
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Mar 14, 2012
My machine is locking under specific conditions:Hardware Overview: Model Name:MacBook Pro Model Identifier:MacBookPro8,2 Processor Name:Intel Core i7 Processor Speed:2.4 GHz Number of Processors:1 Total Number of Cores:4 L2 Cache (per Core):256 KB L3 Cache:6 MB Memory:8 GB Boot ROM Version:MBP81.0047.B27 SMC Version (system):1.69f3 System Version:Mac OS X 10.7.3 (11D50b) Kernel Version:Darwin 11.3.0 Boot Volume:Macintosh HD After I have updated the EFI firmware to version 2.7 last week, I noticed that my memory utilization has gotten higher. Has anyone experience that? Before the upgrade, even when I opened my Fusion VMware, I will still have at least 1-2GB available left but now I only left with 200MB available. How do I troubleshoot? Regret that I upgraded the firmware.
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MacBook
Pro, Mac OS X (10.7.3)
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Mar 27, 2012
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Mar 27, 2012
do I delete virtual partition on virtualbox? I'm using Mac OS X v10.7 Lion and installed Window7 through virtualbox. I decided to use boot camp instead so I deleted the virtual machine and the the app. However, the partition is still there. How can I remove/delete the virtual partition.
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MacBook Pro, Mac OS X (10.7.3)
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May 21, 2012
It seems like with every website I visit it says "This is an untrusted connection" I don't understand becuase I have connected with these websites numerous times(my e-mail). I'm connected to my home network secured with a password. With some websites I can make a security expection with some I can not. I am using Firefox.
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Apr 27, 2012
I was prompted to accept a software update from Trusteer. I installed it but over the next few days kept having Safari crashes. I couldn't see the cause straight away but on 28 April, after another sudden "Safari Quit Unexpectedly" incident, the report clearly stated that it was the file called "rapportutil1", which I soon found to be in the Trusteer program.I removed Rapport using the "Uninstall" program in the dmg folder. (Found by simply using "Find" for "Rapport.dmg" in "Finder".) Googling shows that thousands of people have been seriously affected by Trusteer's appallingly bad Rapport software and this has been going on for at least the last two years! The Trusteer website boasts that over 28 million people have downloaded their software – but it doesn't say how many have subsequently had to uninstall it!
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MacBook Pro, Mac OS X (10.6.8)
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Nov 30, 2014
I am wondering if I can setup my laptop ( Mac Air) as an additional trusted device (I have my iPhone and iPad already as trusted devices).
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MacBook Air (13-inch, Early 2014), OS X Yosemite (10.10.1)
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Jan 3, 2011
I just started getting this out of the blue...
ive ran apple software update, nothing
ive ensured that the date/time of my computer is accurate for the certificate verification (its right down to the minute. its also set to auto update)
I don't have any odd versions of chrome or anything like that. In fact, it doesn't matter what browser it is (Google notifier, as well as OSX mail give errors as well)
The only thing thats different is im on the wireless network at an internet cafe but it never gave this error before. i dont have any network that i can connect to besides this one to test that idea until i go home
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Mar 25, 2012
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MacBook Air
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Mar 21, 2010
In my keychain access I have the following:
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AND
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Mar 6, 2012
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Mac Pro, iOS 5.0.1
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Oct 31, 2009
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Apr 16, 2012
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Aug 9, 2007
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Apr 10, 2012
In Keychain Access, My "Certificates" and "Keys", three out of the four root certificates are marked as: This root certificate is not trusted (in red) com.apple.ubiquity.peer-uuid- times two and one: com.apple.ubiquity.ssl - then five groups of numbers for each. Is this something that should concern me or is it something to do with the problems I am having, Mail - some addresses I use are not sync and have a warning sign! Are these certificates needed to be trusted for mail configuration?
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MacBook Pro, Mac OS X (10.7.3)
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Oct 12, 2010
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Dec 4, 2010
I am shooting high school basketball video with two Sony HD cameras:1 camera follows the action on the court, the other stays on the clock.
I then use iMovie 11 to superimpose the clock video using Picture-in-Picture onto the game footage.
Both cameras shooting highest HD at 30 fps.
Last basketball season, I was using iMovie 09 on a MacBook Pro, Intel Core 2 Duo, 4GB RAM, 256GB SSD. I would import Video 1, import Video 2, superimpose Picture-in-Picture, share to iDVD, burn videos, no worries.
This basketball season, I am using iMovie 11 on a Mac Pro, dual Intel-6-core, 16GB RAM, 512GB SSD. I am having some kind of problem with memory (I think).
I boot my Mac Pro. I import the 1-hour Video 1, it takes 11 minutes. If I now import the 1-hour Video 2 (with no reboot), it takes about 30 minutes.
If I boot my Mac Pro, import 1-hour Video 1 in 11 minutes, then reboot the Mac Pro again, the 1-hour Video 2 takes 11 minutes.
When I share to iDVD to burn standard DVDs, if I reboot, it takes about 30 minutes. If I do not reboot, it takes about 2 hours.
When I export to Quicktime at 1920x1080 to burn on a Blu-Ray disc using Toast without a reboot, the export fails 4 times out of 5. If I reboot before exporting to Quicktime, the export always works.
On my MacBook Pro, using iMovie 09, of course all the times were slower because of fewer/slower cores, but I was never rebooting constantly.
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Apr 23, 2009
I'm sure most of you use Growl. Well I left my MacBook Pro on all night uploading some junk and when I went to it this morning it was doggggg slow, the dock refresh was tearing, it was horrid. So I opened the activity monitor and Growl was taking up 3.4 GIGS of virtual memory.
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May 26, 2009
What would the best one be on Macs?
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Oct 16, 2009
So I have VMWare fusion and Windows XP on it...I have read to exclude the virtual machine from time machine backup as any changes made in the virtual machine will cause time machine to recopy the entire thing all over again.
So...I was thinking could I just copy the vmware file into a partition on the external hard drive and periodically replace the vmware file in order to update the settings and changes etc.
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