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

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4answers
14k views

I run out of RAM on a 8GB MacBook Pro 15"

I'm a designer using Snow Leopard on a MacBook Pro 15" (i7) with 8GB Ram, 500GB (180GB free) (2010 model). I usually use Chrome (4/5 tabs), Firefox (1/2 tabs), Skype, VM Ware Fusion (with Win XP, ...
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2answers
416 views

How to choke network preformance on OS X [duplicate]

Possible Duplicate: How to simulate slow internet connections on the mac For testing purposes I would like to choke the performance of the network on my OS X 10.8.2 machine. I have ...
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2answers
703 views

Is there anything like NVELO Dataplex (hybrid SSD/HDD software) for OS X?

I'm interested in upgrading my old MacBook to using an SSD and moving the data drive to where the DVD drive is using an optibay. Often SSDs come with a licence for NVELO Dataplex software (which is ...
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2answers
4k 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 ...
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3answers
362 views

Safari slowdown issues

Safari is quite slow when I open new tabs. I get a busy cursor, and I cannot interact with other tabs. Is there any way to make it faster? I have a 2010 MacBook Pro, MacOS 10.6.6, Safari 5.0.3.
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1answer
70 views

Why does Finder slow down and start beach balling after heavy use?

I am experiencing the following issue in Finder on OS X Yosemite 10.10.5. After working for sometime heavily on it, usually about 10-15 minutes, navigating in directories, moving/copying renaming ...
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1answer
82 views

speed up iOS9 on iPad 4?

Ever since I've installed iOS 9 on my iPad it has been quite slow. The network seems slower, for example Netflix often times out. Chrome often shuts down, presumably because it is using too much ...
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1answer
3k views

High memory usage on MacBook PRO retina 16Gb i7 2,5ghz

I'm using a MacBook Pro Retina 15-inch 16Gb Processor 2,5 Ghz Intel Core i7 Graphics Intel Iris Pro 1536 Mb OS: OS X Yoseminte v10.10.2 I'm having a problem with my ram. I think its eating too much ...
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1answer
832 views

Is there a problem with GeForce 750M performance on gaming?

I play games on my Mid-2014 retina MBP, which has both Iris Pro and GeForce 750M 2GB. One of the games that I play (League of Legends, which has a 'beta' OS X client, but I highly doubt that this is ...
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3answers
257 views

64bit vs 32bit on mobile devices with 2gb ram - is there any sense?

Today I took part in an interesting discussion. Someone said that's great that Apple goes 64bit with their iPhone 5S. Of course I mentioned about no need for 64bits paired with 2 gigs of RAM, but then ...
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3answers
2k views

Is my hard drive starting to fail?

My MacBook Pro (mid-2012, 16GB, i7 2.3) has started to misbehave: very slow to start up and shut down application launches are slow system becomes nearly unusable when "free" memory approaches zero. ...
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1answer
1k views

Disable loopback interface lo0 on 10.8.4?

For testing purposes (testing raw network speed over a number of cables) i have equippped my Mac Book pro with a Thunderbolt to Gigabit Ethernet Adapter besides the built-in gigabit ethernet ...
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1answer
252 views

/usr/bin/nice and Handbrake

This is really two questions... If a process is run with nice (/usr/bin/nice in the default OS X Mountain Lion installation) will it run processes in equivalent time compared to that process being run ...
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2answers
220 views

How accurate is System Report on RAM speed?

I have successfully replaced 2 * 4GB DDR3 1333 MHz RAM (Samsung) with 2 * 8GB DDR3 1600 MHz RAM (CnMemory). Everything runs fine and System Report is displaying the RAM is running at 1600 MHz. Now I ...
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1answer
868 views

Can CPU Speed Stepping be prevented?

A while ago, I asked a question regarding the reason behind my computer slowing when it had ~5% battery or less. I was told that it was either CPU speed stepping or the Macbook Pro automatically ...
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2answers
16k views

How to run a performance benchmark on my MacBook Pro?

I need to run some sort of performance benchmark to measure how slow my MacBook Pro is (and why)—a 15" MacBook Pro (late 2008) with a 2.4 GHz Intel Core 2 Duo processor, 4 GB of DDR3 memory, and ...
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1answer
466 views

What is the performance bottleneck when launching large applications on OS X?

I have an Early 2011 13" Macbook Pro (i5 2.3Ghz). I've upgraded it to have 8GB 1333 ram and an OCZ Vertex II (120GB) SSD. There are a couple of heavy lifting apps on my mac that take roughly around ...
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3answers
285 views

Worthwhile to reformat and re-install?

I had a 2 1/2 year old Macbook Pro. It was a 2.33 Intel Core 2 Duo with 4 GB of ram, 320 GB hard drive, running Lion. An employee of my company left and his Macbook Pro was a 2.66 Intel Core i7 ...
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1answer
117 views

How to have clipboard holding many entries available simultaneously…?

I am looking for: There are many hot words which I often need to type while using my Apple MacBook Pro/Snow Leopard like say my desktop machine name, some other host names etc. Now, right now, I copy ...
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1answer
40 views

Performance problems, possibly malware?

I have concerns about malware or something significantly affecting the performance of my iMac. As you can see from the screen shot below I have updated to OS X Yosemite Version 10.10.5, but I did ...
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2answers
220 views

Suggestions to make a old Macbook Pro faster?

I got a Macbook Pro I think the year 2010. How can I make it faster because,it starting to get slow. Are there Free or Inexpensive Apps or tricks to make it fast? Thanks!
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1answer
95 views

Is it possible to upgrade 2.26 GHz processor to 2.4 GHz?

I recently bought a 2009 macbook that I thought would have a 2.4GHz processor (along with 4GB of RAM) but instead has a 2.26GHz processor with 2GB of RAM. (I expected it to be 2011.) I got it fairly ...
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1answer
89 views

How do the MacBook and the MacBook Pro compare performance-wise to an old model iMac?

I'm thinking of purchasing either a MacBook (2015, 1,1 GHz) or a MacBook Pro (2015, 13-inch Retina, 2,7 GHz). I'd like to know how they would compare performance-wise (say, speed on recalculating a ...
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1answer
319 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. ...
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2answers
736 views

How to fix fontd process taking up 100% of the CPU?

I experience reoccurring incidents of fontd eating up all the process power. What could be the cause of this and how do I make it behave again?
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2answers
188 views

Booting from an external SSD

I have a late 2009 i7 iMac that spends most of its time reading and swapping files from the 2TB hard drive, even though it’s only 40% full. I want to buy an affordable (240GB/£160) Firewire external ...
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1answer
2k views

using external hdd slows down my mac

When I use an external drive via usb, my computer really slows down giving me no choice except reboot. I watched memory usage with activity monitor. Free memory decreases by time and inactive memory ...
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1answer
2k views

How to limit cpu frequency in OS X?

The OS X kernel does control this directly since below 5% my CPU gets locked to 1.2GHz instead of the normal 3.7GHz so there has to be a way to control the CPU speed. I am aware of this question ...
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2answers
4k views

iPhone slows down entire home network

Ever since the automatic upgrade to iOS 7, an iPhone that connects to my Linksys WRT54GL router running DD-WRT, slows down all other connections, from any other device. Download speed is reduced by a ...
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1answer
2k views

Very slow screen refresh on server screen share

I have a brand new Mac Mini, configured with Intel i7, 16GB, dual SSDs... basically the top of the line Mac Mini you can buy as of 2/1/2014. I also purchased the latest Airport Extreme, with 802.11ac ...
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1answer
2k views

What are the consequences of running the 13" retina MPB in higher native resolutions

This question is basically about how do different resolution settings affect the performance of your macbook. By default retinas are set at the "retina" display mode. You can also set them to the ...
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3answers
484 views

Performance issues, can I recover memory?

In the past month I am having some serious performance issues with my MacBook Pro (2008 model). From the activity monitor, I get that the CPU usage is low (25%), disk usage is low (256 GB SSD drive, ...
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1answer
306 views

Mac OS Virtual Box performances [closed]

If you run Mac OS 10.8 with Virtual Box (on Linux), on a computer that supports hardware virtualization, how good will be the performances? With a powerful computer (i7, 8gb of ram, ssd hd), would ...
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1answer
246 views

Hot File Clustering with multiple partitions

I'm planning a performance-oriented clean install of OS X 10.6 and I was wondering if the hot file clustering feature will exists only on the boot partition or if there will be one for each partition ...
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2answers
1k views

Factory Settings to Speed Up Mac?

My iMac (2010, i3, 3.06 GHz, 4GB RAM) has been getting a little slower. My research shows memory can cause a slow performance, so I looked and most of the time, my RAM is allocated like this: . ...
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1answer
614 views

Does Mac OS X load average reporting (via top) include processes waiting on IO?

I'm looking at the output of top to view my system's load average. I want to understand whether the load average is reporting processes just waiting for CPU, or whether it's reporting processes that ...
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1answer
326 views

Error while Compressing the Mail DB: file is encrypted or is not a database

I am trying to compress the Mail database by running the sqlite3 vacuum command. But I get the following error: SQL Error: file is encrypted or is not a database I was running Mac OS 10.6 and I ...
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1answer
135 views

PDF rendering - how much is iPad2 faster than iPad?

I read that iPad2 graphics is faster than iPad. I would like to know how much is iPad2 faster than iPad at PDF rendering.
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2answers
1k views

iPod Nano 2G audio started skipping during music playback - what causes this?

My 5 year old iPod Nano "2G" 8GB has recently began skipping during song playback. It sounds like when a CD skips, a kind of digital glitching sound. But lately it's gotten really bad, where it will ...
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2answers
532 views

Bootcamp - Multiple Windows installations, how do delete one?

I've got a Mac Pro with 3 hard drives: 1 x 7200rpm 640GB - 1/2 for OS X - 1/2 for Windows 7 (Bootcamp) 2 x 5400 Western Digital'Eco-drive' (runs like a dog and is only useful for backups and ...
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1answer
120 views

Are there advanced performance profiling tools (ideally, with a graphical interface) aside from DTrace?

Simply put, I'm looking for a utility akin to Windows NT's Performance Monitor (perfmon.exe). The ability to specify which metrics I want to track (ex. reads/sec, writes/sec) for a given object (ex. ...
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3answers
253 views

Will I see performance boost if I add memory with these Page-In/Page-Out statistics?

Currently, if I open Photoshop after a days time, the load up time is about 5 seconds. If I close and open again (right after), the load up time is about 2 seconds (I assume this is caching?). Can ...
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2answers
6k views

The new iMacs come with AMD HD 6770M or HD 6970M. How do they compare?

the 27" versions of the new iMac come with either the AMD HD 6770M or HD 6970M GPU. How do they compare performancewise? Is it worth its money?
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2answers
198 views

Will reducing the number of or disabling spaces improve performance?

If I turn off spaces on my MacBook, or reduce the number of spaces, will that improve graphics performances? EDIT: I'm running Mac OS X 10.6.7 Snow Leopard on a MacBook 7,1 with 2GB of memory
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1answer
49 views

cpu is 100% used, yet no application shows significant usage

Since a few days my IMac started showing weird behaviour. In Activity Monitor it shows that my CPU is 100% used. Literally 0% idle, but there are no Applications using anywhere near this much ...
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2answers
18 views

Fresh install after CPU upgrade

When installing a program on a Mac does the installer consider processor speed and number of cores in order to tailor the programs performance, and if so will upgrading processor architecture from ...
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1answer
86 views

High CPU and energy usage in Safari

Energy impact of Safari is extremely high on my Macbook Air Mid 2013 El Captian 10.11.2. It lead to high usage of CPU (Temperature ~65.0°C) and the CPU fan is running in full speed (6500.0 RPM) ...
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0answers
27 views

Can I find information on whether the iMac with 250GB, 500GB, or 1TB of SSD storage differ in speed?

Apple doesn't say in their order or specs page, but I am wondering if there is any info on the iMac 27 Retina model, if the 250GB, 500GB, or 1TB SSD hard drive differ in speed? Such as the speed of ...
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1answer
36 views

Macbook pro mid 2012 slow down

I'm actually asking about my wife's macbook pro which I don't use very often. It's slowed down quite a bit recently and apparently before the update to El Capitan. Programs have started to take a long ...
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0answers
34 views

MBA6,2 10.11 faulty temp sensor 230~300% kernel_task problem

Problem started after I sprayed some water during shower. Fan runs on 6500rpm as soon as I log on and kernel task stays on 230~300% even though laptop is not even warm. So I ran HWmonitor and it ...