Questions tagged [performance]

Questions dealing with performance of Apple hardware or software, especially about troubleshooting or improving poor performance.

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7answers
17k views

After installing Lion my mac became super slow

After installing Lion, my macbook pro became unbelievably slow.. what could be the reason? Safari sometimes freeze for 30 seconds (in particular when there's Flash content). When I open mail after ...
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4answers
2k views

Does moving my home folder to an non-boot drive decrease performance?

I'm going to get an SSD, making that my boot drive and moving the existing hard drive to the optical drive bay. I will keep my data on the original hard drive. MacPerformanceGuide.com says "If the ...
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4answers
1k views

Are there general or specific iOS6 performance issues on iPhone 4?

I would like to upgrade my iPhone 4 to iOS6 but I'm wondering if I will get performance loss (as when I upgraded my iPhone 3G to iOS4 : terrible). Can someone confirm that it won't affect my day to ...
3
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1answer
255 views

Meltdown & Spectre bug & new CPU's

I am thinking to buy a new MB Pro in March. However, the bugs discovered has made me a little bit concerned. I am a software engineer and I am most definitely a "Power User". Apparently, some users, ...
3
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5answers
12k views

Vagrant/VirtualBox extremely slow despite 8GB-RAM/SSD-HD/2.53GHz Core2Duo

My VM (Ubuntu Vagrant VM) is extremely slow. While my Windows co-workers have a maximum of 1 minute page load time, my page load takes up to 8 minutes. I tried putting log files in non shared folders—...
2
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2answers
5k views

Is upgrading an iMac to an SSD over USB 2/FireWire an upgrade?

I bought the smallest 21" iMac model of the 2011 update cycle. I was planning on having the HDD replaced with an SSD later on. Turned out this would not be an option. So I'm either stuck with the ...
2
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1answer
4k views

Safari makes my MacBook incredibly slow - what to do?

System configuration I'm working with a MacBook 2,16 GHz (13" white with the max. 3 GB RAM from about 2007) and "Snowleopard" OS 10.6.8. The problem: performance After a while, the MacBook becomes ...
2
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0answers
86 views

That Kernel Process Bloat

This is probably a question best suited for Apple Support Forums, but after asking variants of this question there to no avail, I will try here instead. I have a 2012/2013 2.3 GHz i7 Mac Mini w/ 16 ...
2
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2answers
6k views

Macbook Pro Hard drive speed

I have an early 2011 Macbook Pro with a Toshiba MK7559GSXP 750GB 5400rpm hard drive (that has about 48GB free) and running El Capitan. Recently I had the feeling that things were running slowly (and ...
2
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0answers
64 views

Chrome loads very slowly while Safari very fast

Chrome loads any web page very slowly. Even making a google search takes more than 15 seconds while the same occurs in Safari instantaneously. I cleared the cache and disabled NPAPI plugins as ...
2
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2answers
10k views

How to monitor CPU core usage?

I have a Macbook Pro 15" with the quad core i7. I am looking to see what if any performance decrease I could expect moving to a 13" Macbook Pro with a dual core i7. To that end I thought Activity ...
2
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3answers
8k views

Mac book pro is very slow

I have a mac book pro late 2011. It has a very powerful hardware. But it is very slow. For example when I'm making expose geisture, there appears 'loading circle' and mac lags for 4~5 seconds. Same ...
2
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2answers
96 views

Slow initial app window opening, but only in certain situations?

I use some apps that can accept files a few ways: open and then use its own file select dialog "open with" from Finder "drag & drop" from Finder Method 1 is fine and the app responds as expected....
1
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1answer
420 views

Can Turbo Booster (3rd Party Application) damage your CPU?

I have turbo booster installed on my old macbook pro which I currently use to handle files between my iMac Pro and the macbook. The macbook has a base clock of 1.4 Ghz turbo boost upto 2.3 Ghz. On ...
1
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2answers
12k views

MacBook performance while on battery vs plugged in

Should I expect my MacBook Air to run slower while on battery vs while plugged in? In other words, will it slow down the CPU/graphics/etc while on battery to conserve power?
1
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1answer
118 views

Is it faster to resize a Time Machine partition, or completely wipe it and back up again from scratch?

I have a ~500GB Time Machine partition I'd like to shrink slightly. My internal source partition is around 400GB. Resizing the partition would be extremely slow, since Disk Utility has to check all ...
1
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5answers
7k views

Best version of OS X for a 2008 iMac?

(This is a follow-up to How to improve old, slow iMac -- new SSD? Or more RAM?) I replaced the HD on our old 2008 iMac 8,1 with an SSD, and it seems much faster. However, it was running 10.9; now it'...
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2answers
7k views

How fast is 256GB to 128GB on mid-2013 MacBook Air?

I've tried finding the comparison reviews of the performance differences between 128GB and 256GB PCIe SSDs of mid-2013 MacBook Air 11" and 13" (which now have been carried over as the early-to-mid-...
1
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1answer
761 views

troubleshooting Finder (and disk access?) speeds — Dropbox extension problems?

I am on Yosemite 10.10.3, though in the public beta program (which now is in sync with releases). I am also in the Dropbox beta, now on 3.5.58, for what it's worth. File access is curiously slow now. ...
1
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2answers
85 views

Identifying bottlenecks

In any computer, there is a bottleneck. The processor, the amount of memory, the bus to the hard drive, etc. I just ordered a 2010 MacPro, 12 core, and although the 12*3.33 GHz cores should give me ...
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2answers
1k views

Kernel_task boosts CPU to 300%-500% (Yosemitte MBP 2011 without a battery) [duplicate]

Long story short, my oldie MBP 2011' battery started bloating, I've contacted a repair service center and they advised me to remove the battery and use it on AC power, while they get a new battery for ...
1
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1answer
2k views

Can imagent in OS X Mountain Lion be made to consume fewer resources?

imagent is constantly consuming CPU cycles and a couple of GBs of "real memory" on my wife's MacBook Air since upgrading to OS X Mountain Lion. I believe this is part of the Messages app. Is there ...
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4answers
16k views

High memory usage, macbook pro retina feeling sluggish

My Macbook Pro Retina seems to be feeling sluggish and I don't think it should at all. I'm running: photoshop, 1080p movie on VLC plugged into a Thunderbolt Display. Looking at the activity monitor ...
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1answer
1k views

What could cause a cumulative slowness that manifests itself as high WindowServer CPU usage in High Sierra?

My system is a MBPro with the GT750M graphics card, mainly using Chrome/Opera After a day or two of regular usage, it's clear something is accumulating and eventually causing a slowness that shows ...
1
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1answer
300 views

Are loading times using a USB hard drive slower?

I recently installed Snow Leopard on a 2 TB USB 3.0 hard drive for my 2009 White MacBook, since the internal hard drive is broken (it no longer shows up during boot or in Disk Utility). The external ...
0
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1answer
552 views

Less RAM and an SSD vs. more RAM and an HDD?

This isn't a question about which part of my computer to upgrade. It's a question about what I should buy in my eventual new computer. I have an early 2011 13" MBP with a 500GB hard drive and an ...
0
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1answer
432 views

Will the new MacBook be turbo charged?

The new MacBook 12" has been launched and on the apple store the processor says 1.1GHz dual-core Intel Core M processor (Turbo Boost up to 2.4GHz) Does this mean that the Core-M processor will ...