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

learn more… | top users | synonyms (2)

2
votes
0answers
48 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 ...
0
votes
0answers
652 views

Sometimes I can run Civilization V on my 2013 MacBook Air, sometimes not, why?

I realise the 2013 MacBook Air doesn't quite meet the game's minimum requirements, but I can sometimes run Civilisation V. Sometimes it loads, fires up the fan, but sits there with a blank screen ...
0
votes
2answers
64 views

USB3 HDD on an USB2 port vs thunderbolt

I need to buy a new HDD (>2To so no SSD solution, unless you know a very attractive offer) and I was wondering about performance knowing this : MBP 2011 (2 usb 2.0 - 1 Thunderbolt); 7k2 HDD. What ...
2
votes
1answer
103 views

Does OpenCL automatically use all GPUs in my system?

Through dumb luck, I've ended up with 3 OpenCL-capable graphics card in my Mac. I even ran the little "list all your OpenCL devices" sample program from Apple, and it lists all of them. Do programs ...
0
votes
0answers
197 views

Reduce impact of Disk IO on performance

I've never found that OS X has been exemplary at handling responsiveness under Disk IO, but Mavericks has made it so bad that I've been barely able to use my machine whenever a backup kicks in. ...
0
votes
1answer
205 views

Ideal iMac For programming (and some photoshop) [closed]

I am going to get a 21.5" iMac. It will primarily be used for Android, iOS, and web development, but may occasionally be used for some photoshop. Any other uses I have for it will be insignificant ...
0
votes
0answers
51 views

How can I prevent “Open With…” from accessing external drives?

Frequently, when I try to open the (10.9) Finder's "Open With..." menu, I experience a delay that appears to be due to connected FireWire drives. This delay is very long when the drives need to spin ...
1
vote
0answers
85 views

MacBook Air is slow after inserted and removed USB audio player

I have a first generation MacBook Air. I plugged in a USB memory stick, which is actually a 2 GB MP3 player but serves as a memory stick as well. Finder never shows the content of the memory stick. ...
0
votes
1answer
122 views

iMac 2009 works slow

iMac (model 2009, purchased in late 2012) sometimes becomes extremely slow. I've opened the "System monitor" and discovered that there is a huge lack of RAM. But as you can see there is no app ...
1
vote
0answers
43 views

TimeMachine performance issues on OSX Server 10.7.4

we are running OSX Server 10.7.4 on a MAC Pro (Mid 2010). Enabled services are Mail, Calendarserver, Contacts and Websharing. The Server has a Xeon Quad CPU and 32GB of RAM. A timecapsule is ...
1
vote
2answers
295 views

In Activity Monitor, is the percentage out of each core or out of each virtual core?

I have my new MacBook Pro with 2 cores. However, the Activity Monitor shows me 4 “virtual” cores. (I don’t really know what a “virtual core” is.) If the processor is running at maximum, what ...
2
votes
1answer
3k views

How do I improve gaming performance with Parallels Desktop for Mac?

I have a late 2012 MacBook Pro 13" non-retina display and I use Boot Camp to dual-boot windows and Mac. I recently came across an application called Parallels Desktop for Mac that promised faster and ...
24
votes
5answers
1k views

Is there any way to speed up my iPhone 3G since upgrading to iOS4

I have recently upgraded my iPhone 3G to iOS4 and there is some noticeable performance issues will some of the basic tasks (text messaging, loading application, etc.) I have restarted my iPhone and ...
0
votes
1answer
255 views

Will Upgrading to Mavericks Slow My System? [duplicate]

I have a 2010 iMac and I'm considering upgrading to Mavericks. Will I notice any significant decreases in speed? My specs:
0
votes
0answers
208 views

Is there anything other than ZDnet Clock that I can use to overclock Macbook Pro (Zdnet version incompatible)

It's a mid-2011 Macbook pro model. I tried with Zednet but it said my model is not supported. I've added more ram to my Mac but am still looking for a way to make it faster.
2
votes
1answer
2k views

Understanding active, inactive, free and swap memory allocation

this is a conceptual question that came up from an issue I have. I've been monitoring memory usage with iStat Pro and Activity Monitor for some weeks, since my MacBook Pro (OSX 10.8.4 Mountain Lion ...
0
votes
1answer
10k views

Macbook Air i7 vs Macbook Pro Retina i5 [duplicate]

I'm thinking of buying either a high-end 13'' Air (i7 and 8GB RAM $1,549.00) or 13'' rMBP with an i5 ($1,699.00). Setting aside portability, display and other differences which I'm still pondering, ...
1
vote
0answers
165 views

Macbook Pro Late 2011 stuck at 0.8 GHz

I have been experiencing a lot of problems with my Macbook Pro slowing down and crawling through small tasks like getting mail and opening Launchpad. I have 8 GB of 1333 MHz DDR3 memory and a 2.2 GHz ...
0
votes
1answer
287 views

Which background processes can I disable to speed up my Mac

If I'm on an old Mac and I just want the basics (web browsing, text editing, multitasking) to run a lot faster and I don't mind losing out on bells and whistles or temporarily disabling unneeded ...
2
votes
1answer
9k views

How to check if MacBook battery is genuine?

My white MacBook's battery has completely died, so I'm looking for a replacement. It costs $150 from Apple, or about $70 for allegedly genuine Apple batteries on eBay: I'm leaning toward this ...
0
votes
1answer
301 views

OS X software RAID 0 with 6x SATA SSD?

I will be able to use a former video editing "Mac Pro" :) for a bit, free to configure anything I want in software. I would like to experiment with setting up OS X software RAID 0 with 6x SATA SSD. ...
3
votes
2answers
4k views

Process “ubd” high CPU usage

I noticed my MBP got really slow, which must be strange with SSD and 8GB of RAM. So I opened the Activity Monitor to discover a process called ubd keeps its CPU usage very high, about 120% most of ...
20
votes
12answers
52k views

Will Mountain Lion make an older computer run faster or slower?

Performance/responsiveness is a common concern with new software, especially on older machines. In general, upgrading from Snow Leopard (10.6) to Lion (10.7) wasn't too bad, but now Mountain Lion ...
1
vote
4answers
13k 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, ...
1
vote
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. ...
2
votes
0answers
396 views

AppleScript to find old mail messages is slow in ScriptEditor

So I have an AppleScript that iterates over all the messages in various mailboxes and finds messages which meet various criteria and moves them to Deleted Items. The mailboxes in question are ...
4
votes
5answers
4k views

Why is application switching slow on Late 2013 Mac Mini compared to early 2008 Macbook Pro?

I recently purchased a Late 2013 Mac Mini Quad Core i7 2.6Ghz with 4gb DDR3 ram, 1TB 5400 rpm drive model APPLE HDD HTS541010A9E662 running OSX 10.8.2 I used Migration Assistant to migrate apps and ...
2
votes
1answer
70 views

Awful Network Performance

I have a MacBook pro running Mountain Lion. When I copy files over the local network, I get around 200Kb/s on a 1Gbps link (the light on the switch indicates 1Gbps). This morning I went to download ...
30
votes
3answers
16k views

What are the differences between journaling HFS+ and non-journaling HFS+?

I'm about to format an external hard disk drive (HDD). What are the key differences between journaling HFS+ and non-journaling HFS+? Apart from the fact that one has journaling and the other does ...
1
vote
4answers
8k views

Sluggish performance with Airport gear on 5 GHz

I've a network that is powered by an Airport Extreme and extended by an Airport Express. My Airport Extreme broadcasts 5 GHz and 2.4 GHz channels separately. 2.4 GHz operates on channel 4 and 5 GHz ...
8
votes
5answers
23k views

What's the fastest connection speed / shortest elapsed time using Migration Assistant?

When using Migration Assistant to move users, files, and folders from an old Mac to a new one, you have a few different choices, depending on the Macs involved. Presuming that both Macs have ...
0
votes
1answer
681 views

Does an old Intel Core Duo Mac Mini have enough performance to run the latest Garageband?

I am getting a used Mac Mini primarily so I can record music using Garageband. Will the 2007 or 2009 models have enough performance to run the latest Garageband and latest OS X? I will at most ...
5
votes
1answer
433 views

Do more desktops occupy more ram?

I was an exposè addict and so do I am for mission control. I was wondering if for many desktop you have "instantiated" the more your computer slows. Since I am a developer i always have at least 5 ...
4
votes
1answer
1k views

Getting performance measurement tools from Linux on Mac OS X

Mac OS X doesn't seem to have the Linux performance tools perf, pidstat, or mpstat. What other software has equal functionality on OS X? Or, how can I install these?
1
vote
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 ...
0
votes
0answers
274 views

Are there serious problems using a 2012 MacBook Air (13 inch) for web development?

Hello I am totally new to the Mac world and I am interested can I use the MBA for web dev. My needs are modest: Adobe Photoshop CS6 Sublime Text 3 MAMP/XAMPP I do not need to optimize for 3D ...
0
votes
1answer
349 views

Comparison of the new macbook air and iMac Core Duo 2 2.66

I am planning to buy the new Macbook Air 13", as I need something more mobile, but only have a limited budget. So the Air 13" seems like a perfect solution. Currently I have a iMac which I bought ...
-2
votes
1answer
12k views

Why is my iPhone 4 slower with iOS 6 than iOS 5?

The phone has been running perfectly fine with iOS 5.1.1 and yet the moment I switch to iOS 6 I have started looking up applications to free-up memory. Obviously the OS is consuming more memory for ...
8
votes
2answers
3k views

Tool for determining performance bottleneck

I am using my early 2011 MacBook Pro for iOS development, Photoshop work, and the like, and it is at times quite sluggish. Is there a tool that I can just run for a day, and then look at the ...
2
votes
0answers
302 views

How do I troubleshoot appalling write performance on DIY Fusion Drive? [closed]

I recently bought a 120 GB OCZ Vertex 3 and stuck in my 2009 Macbook White, together with a optibay-adapter for the old 500 GB HDD and configured them as a corestorage "fusion drive" by using the ...
1
vote
0answers
137 views

System very slow while and after login

I'm using OS X 10.8.4 on a Mac Mini with 2.3 GHz Core i5 and 8 GB RAM. For security reason I have to lock my computer to screensaver while I leave my seat for a while. I set it up so that password ...
2
votes
2answers
495 views

MBP w/ OS X 10.8.3 Performing Quite Slowly Lately

My MBP (2.66 GHz i7, 4GB RAM, 500GB HDD) is about two or so years old. It's been running like a champ for most of its life. However, within the past few months, I've noticed a considerable degradation ...
3
votes
4answers
6k views

Retina Macbook Pro now has faster battery drain

I have disabled Hibernation mode and Deep Sleep mode, I also keep the charger plugged in about a week before removing it if I want to go somewhere with the laptop. I don't know if this is normal, but ...
2
votes
1answer
3k views

Comparing performance between the 2012/2013 MBA 13' baseline model

The MBA just launch and I did a little research on the baseline 13 inches for both years: -- MBA 13' (2012): i5-3317U @ 1.7GHz (turbo: 2.6GHz); 4000 Graphics: 350MHz-1050MHz MBA 13' (2013): ...
2
votes
1answer
4k views

How to troubleshoot stuttering iTunes video playback while downloading on Mac OS X 10.7.2?

Observations: Recently, not sure when it happened, with upgrade to Lion or before, but I have not been able to cleanly watch a video of any type in iTunes while something [movie, tv show, app, ...
1
vote
1answer
212 views

For the Apple SSD drives, will they run slower with less free space available?

From what I understand, most SSDs will run slower once there is 20% or less free space available, due to TRIM/garbage collection. However, are Apple SSDs the same way? The reason I ask is because ...
6
votes
3answers
11k views

Are the Retina MacBook Pro 15" suitable for PC (Windows) gaming?

I want to buy a MacBook Pro Retina 15" and install Windows 7 or 8 (boot camp) to play games. Obviously games aren't ready for this 2880x1800 resolution, so I hope I can set the games to run at ...
1
vote
2answers
75 views

Corsair GS 180 slowdown in Macbook Pro over a year's time

I installed a Corsair GS 180 SSD (revision 5.020000) in my Macbook Pro, around this time last year. (July 2012.) I ran the Blackmagic Disk Speed Test application, and ended up with: Write: 219.0 MB/s ...
1
vote
1answer
265 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 ...
3
votes
2answers
4k views

Does An External Solid State Drive (SSD) Increase Performance In The Same Manner That An Internal One Would ?

I've read quite a bit on Ask Different and elsewhere about how fitting a Solid State Drive (SSD) is one of the best ways (if not the best way) to increase the performance of your Apple Mac computer. ...