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

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0
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1answer
417 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 ...
0
votes
2answers
222 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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0answers
82 views

How do I remove akamai and speed up my iMac?

I have an iMac (running Leopard) going deadly slow, I discarded any hardware problems (Hardware tests, disk utility, etc..) and the only strange thing I've found is a folder called 'akamai' After ...
0
votes
2answers
649 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 ...
0
votes
0answers
211 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 ...
1
vote
3answers
110 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 ...
0
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0answers
30 views

What could explain less than 1Mb pre second speed on a WD Elements external drive?

I have a multi year old WD Elements external drive, attached to my 5 year old Mac Pro. Everything runs fine except it seems that the drive is transferring data very very slowly. I don't know how long ...
1
vote
3answers
2k 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 ...
1
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0answers
47 views

Acceptable and unacceptable speed for an external USB disk

I think my external HDD is running way too slow but I am not sure. Using XBench I get the following results: Seq: Uncached Write 0.79 0.49 MB/sec [4K blocks] Uncached Write 0.21 0.12 MB/sec ...
0
votes
2answers
2k views

What would be a good SSD drive for a MacBook Pro mid 2010?

I'm thinking about updating a bit my Macbook Pro mid 2010 adding to it 8Gb of RAM and maybe a new hard drive, a solid one (SSD) of probably 240Gb. Which SSD would you recommend me? I'm looking for ...
2
votes
1answer
196 views

Explanation for Ridiculously Slow Copy Speed

I am backing up data files from one encrypted image to another. They're text files ranging in size from a few hundred kilobytes to a few megabytes. The process has become excruciatingly slow and is ...
2
votes
0answers
37 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
455 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
49 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
72 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
104 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
32 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
2answers
346 views

Poor battery performance on MacBook Pro

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
125 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
42 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
77 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
35 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
144 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
955 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 ...
1
vote
1answer
221 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 ...
2
votes
3answers
546 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
239 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
155 views

Fastest encryption configuration for Parallels Desktop 9 running a software development environment

I have a 2.8ghz quad-core 2013 MacBook Pro with 16gb RAM and a 768gb SSD running OSX Mavericks. I run Windows 7 under Parallels Desktop 9 to do Windows development. I would like to encrypt this data ...
0
votes
0answers
104 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.
3
votes
6answers
1k 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 ...
0
votes
0answers
526 views

Macbook Retina 2013 CPU difference

According to Wikipedia, these are the CPU alternatives for the new MBPr 13". 2.4 GHz (i5-4258U) dual-core Intel Core i5 Crystalwell processor with 3 MB shared L3 cache (13") 2.6 GHz (i5-4288U) ...
1
vote
0answers
91 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
0answers
24 views

Are iPad Air and new iPad mini in every way equivalent performance wise? [duplicate]

I'm asking this from a developers point of view, not from a consumers point of view. We develop (among others) iPad apps and therefore need test devices. We have one of each existing iPad so far. The ...
4
votes
2answers
153 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
1answer
899 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
181 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 ...
-1
votes
1answer
6k 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
155 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
452 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
397 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
222 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
958 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
2answers
262 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
66 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
340 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
214 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
892 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
474 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
407 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
238 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 ...