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

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2
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0answers
47 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
638 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
62 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
98 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
1answer
189 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
50 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 ...
0
votes
3answers
812 views

Poor battery performance on MacBook Pro [duplicate]

I have recently bought a very expensive new MacBook Pro with 8 GB memory and now I am frustrated by its very fast battery drainage. Often I see only 2 hours left on full battery charge! Right now it ...
0
votes
0answers
193 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. ...
1
vote
0answers
83 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
117 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
42 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
263 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 ...
2
votes
1answer
665 views

How to debug slow terminal prompt?

Ever since I upgraded to Mavericks, the Terminal prompt became a bit slower at coming back. It's not a huge deal, but there's now a slight noticeable delay before the prompt comes back (maybe like a ...
3
votes
4answers
2k views

Web browsing on Mac slows down after a few days of use

When trying to browse any website, such as nytimes.com, yahoo.com, etc, it take sometimes anywhere from 15s-120s for the page to display. For example, in Chrome, when I browse to nytimes.com, in the ...
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
196 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.
4
votes
6answers
2k views

Avg load goes up after upgrading to Mavericks

Just upgraded to OSX 10.9 Mavericks. Everything is good and shiny. However, when I open my iTerm to code, I notice that the performance is lower. If I run a uptime command, the average loading is ...
1
vote
0answers
153 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 ...
4
votes
2answers
269 views

Samsung SSD 840 speed issue

Can any one explain me this ? I re-install BlackMagic but it ain't change a thing. I'm running 10.9.3 and there is only one partition on the SSD. With the terminal : MBP-Thomas in ~ ○ → dd ...
0
votes
2answers
2k views

Mac has become insanely slow : Processes SystemUIServer, UserEventAgent and loginwindow using a lot of memory

I have been using my Mac for for many months without any problem. But recently all of a sudden the Mac became insanely slow. I opened Activity Manager to see what was happening. For three processes ...
0
votes
1answer
282 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 ...
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, ...
0
votes
1answer
286 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. ...
0
votes
2answers
1k 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 ...
0
votes
4answers
958 views

Which memory speed for an early 2008 Mac Pro?

I've got an early 2008 Mac Pro with 4 Gb of memory which I would like to upgrade, but I'm unsure of the memory speed. In my "About This Mac" dialog it says the memory speed should be 667 MHz, but ...
2
votes
0answers
371 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 ...
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. ...
1
vote
3answers
418 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, ...
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 ...
0
votes
1answer
620 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
378 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 ...
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 ...
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
940 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
271 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
345 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 ...
8
votes
2answers
2k 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 ...
1
vote
0answers
128 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
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): ...
1
vote
1answer
203 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 ...
1
vote
2answers
73 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
251 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. ...
0
votes
1answer
506 views

2010 2.66 GHz 12 core Mac Pro not utilizing all 24 threads?

I just recently purchased a 2010 Mac Pro. I am wondering why all 24 threads never go past 50% usage when doing CPU intensive tasks. My coworker has a 2009 2.93 GHz 8 core Mac Pro and we both tried ...
4
votes
1answer
2k views

How do I debug Airport Extreme (5th gen) + iPhone 5 wifi performance problems?

Right around when I bought iPhone 5s for my wife and me I also moved in to a new, larger house. I was finding that wifi performance on our fancy new phones was terrible: I have a 35mbps internet ...
1
vote
4answers
7k 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 ...
4
votes
2answers
4k views

is it worth it to install SSD internally, instead of using USB3?

I prefer to keep my boot drive external, so that I can quickly boot using another Mac if my primary Mac fails. I use a USB3 drive dock to connect the drive to my Macs. I bought a 120GB SSD w/SATA3 ...
2
votes
2answers
492 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 ...
0
votes
2answers
342 views

2010 Mac Pro beachballing/freezing

My machine is a 2010 Mac Pro 2 x 2.66 6-core intel xeon with 32 GBs of ram running Mac OS X 10.8.3. Just the other day it started to beach ball after about an hour of use. It doesn't make any ...