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

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0answers
112 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
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2answers
190 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 ...
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1answer
1k 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 ...
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1answer
228 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 ...
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1answer
8k 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, ...
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1answer
202 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. ...
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2answers
749 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 ...
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4answers
638 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 ...
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0answers
298 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 ...
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3answers
1k 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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2answers
318 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
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1answer
67 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
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1answer
447 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
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1answer
268 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
1k 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
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1answer
628 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?
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1answer
551 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
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0answers
248 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 ...
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1answer
314 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
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2answers
1k 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 ...
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0answers
105 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
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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): ...
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1answer
156 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 ...
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2answers
61 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 ...
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1answer
185 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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2answers
2k 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. ...
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1answer
429 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 ...
3
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 ...
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4answers
6k 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
3k 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 ...
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2answers
473 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 ...
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2answers
253 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 ...
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1answer
549 views

OS X unusably unresponsive after upgrading 10.6 to 10.8

Every other click and keystroke seems to cause my MacBook to just freeze for minutes at a time. (I saw How to fix OS X Lion being unresponsive? but I'm not seeing much swap activity nor is my RAM ...
2
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1answer
241 views

Is there a guideline for the max number of active fonts

I manage my fonts through FontExplorer X. Today I noticed that I have 770 fonts activated. All legitimately licensed, by the way. The Adobe CS family installs a bunch, I've purchased and have received ...
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1answer
126 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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1answer
1k views

Mac Mini has slowed to an unbearable crawl!

I've read a lot of other questions about speed, but my question does not seem to be answered anywhere. My Mac Mini is running so slow that I cannot see what I am typing. It takes up to 15 seconds to ...
4
votes
5answers
2k views

Can spotlight be reset when it misbehaves, is wrong or constantly indexing?

On my 4-month old mid-2012 MacBook Pro I observe that Spotlight seems to want to ALWAYS re-index. I frequently notice that the performance will get unbearably slow and I can hear the hard drive ...
0
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1answer
105 views

What's the noticeable speed difference between these two Mac computers? [closed]

Someone wants to trade his new iPhone 5, his 20" iMac, and some cash for my 15" Macbook Pro. Here are the specs for my MBP and his iMac: My Early 2011 15in Macbook Pro 2.2GHz i7 4GB Ram AMD Radeon ...
5
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2answers
798 views

Cursor stuttering: “IOHIDSystem cursor update overdue. Resending.”

My 2011 iMac running Lion recently developed a new problem; the mouse cursor stutters. At random intervals when I move the mouse it lags, then jumps, like it missed a couple of frames. Ordinarily I'd ...
0
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1answer
161 views

Time machine backup is very slow (new TM drive and large amount of data)

I have data (mostly photos) on an external WD 2Tb drive (about 930gb) I have just installed a 3Tb Lacie drive and want to use it as the TM drive to back up the external WD drive and the Mac HD (very ...
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1answer
164 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
157 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 ...
2
votes
1answer
5k 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 ...
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1answer
2k views

What is the normal fan speed for the 15'' Retina Macbook Pro?

What is the typical fan speed for a 15'' Retina Macbook Pro ? I would like to compare it with mine using istatpro
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2answers
4k views

Apple Mail vs Thunderbird performance

I'm running Apple Mail 5.3 and Thunderbird 17.0.4 on Mac OS Lion 10.7.5. The system I'm running those apps it's an iMac with 3Gb of RAM and 2.4 GHz Intel Core 2 Duo. I run both applications at the ...
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4answers
9k 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, ...
3
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1answer
671 views

Sublime Text 2 input laggy

I use Sublime Text 2 (ST2) both on Linux & OS X Lion. When entering text, interacting with menus etc, ST2 is very laggy - I can type a few sentences very quickly, then take my hands of the ...
2
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0answers
281 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 ...
0
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0answers
703 views

How to troubleshoot slow-as-molasses Safari 6?

When I upgraded to Lion, Safari 6 came along, and I find it so slow that it's almost unusable. The problem is most pronounced when first fetching pages, especially in the first few minutes after it ...
3
votes
4answers
5k 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 ...