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

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4
votes
2answers
5k 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
348 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 ...
0
votes
1answer
571 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
votes
1answer
382 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 ...
1
vote
1answer
197 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 ...
1
vote
1answer
2k 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
3k 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
votes
1answer
112 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
votes
2answers
887 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
votes
1answer
197 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 ...
1
vote
1answer
217 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 ...
1
vote
2answers
194 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
8k 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 ...
1
vote
1answer
3k 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
1
vote
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 ...
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, ...
3
votes
1answer
896 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
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 ...
0
votes
0answers
723 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
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 ...
1
vote
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: . ...
2
votes
3answers
1k views

Would Upgrading to 16GB RAM be Beneficial?

I'm running on an i3 processor, 2010 model, 3.06 GHz. I'm currently have 4GB of RAM, but if I were to upgrade to 16GB, would: Applications open quicker? FPS increase in game? Overall performance ...
1
vote
0answers
341 views

Why are disk images on AFP shares being disconnected?

I have a FreeNAS File Server which provides AFP shares to my Mac OS X clients. I'm seeing some strange performance issues between OS X 10.7.5 clients and the FreeNAS server. My goal is to use the ...
4
votes
5answers
3k 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 ...
3
votes
1answer
923 views

Selecting a SSD for Fusion Drive

My aging Early 2009 Macbook White is getting a bit long in the tooth, so after learning about Fusion Drive, I'm considering combining the existing 500GB HDD with a budget-to-medium-class SSD drive, ...
4
votes
5answers
780 views

How can I put heavy load on my CPU for a long period of time?

How can I put my CPU under very high pressure for a long period of time? Are there programs for that that I can keep running ?
-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 ...
5
votes
3answers
4k views

Bootcamp: is there an advantage of 64-bit vs 32-bit Windows?

I've got the new MabookPro retina. I want to install a dual boot Windows OS. I have the option from MSDN to either install a 64-bit or a 32-bit. Is there a performance advantage? Other advantages?
2
votes
4answers
4k views

How do I improve my performance of my MBP (2009) after upgrading to 10.8.2

I'm relatively a novice when it comes to computers. I recently upgraded my MBP to the new OS X 10.8.2 and noticed that it's running much slower now. I purchased this laptop in the summer of 2009. ...
2
votes
0answers
568 views

How to fix 10.8 internet sharing resulting in poor file sharing performance and no Time Machine server?

TL;DR - File sharing performance is extremely poor on a Mac Pro running 10.8.2 with file sharing enabled. Using it as a Time Machine server also no longer works in this setup. I have been ...
4
votes
1answer
160 views

Is it good to keep apps closed on iOS devices?

Is it better to keep apps closed (double tap home button, hold the icon, and exit the app), as much as possible on iOS devices? I know the more apps one has open, the more RAM, for example is used, ...
1
vote
0answers
190 views

Is 3G-less iPad considerably faster on wifi than iPad 3G?

I've just experimented with three 3G-less iPads and they all were much faster than this one iPad 3G that just never goes through my 128mb download, all over the same wifi. They're also all 16gb, if ...
5
votes
2answers
19k views

Using memory with a higher MHz rating? [duplicate]

Can MacBook Pro's successfully support and fully exploit RAM of a higher MHz rating than that which they ship with? For example, take my 15" MacBook Pro (Late 2011) that ships with 4GB of 1333MHz ...
1
vote
1answer
456 views

Want to increase spead and reponsiveness in older Mac

Current Information: Software: Mac OSX (10.5.8) Processor: 2.4GHz Intel Core 2 Duo Memory: 1 GB 800 MHz DDR2 SDRAM I want to get my computer moving faster, specifically around safari, itunes, ...
5
votes
3answers
10k views

What is an SSD drive's negotiated link speed?

When I look at my Apple SSD TS256C (Toshiba) in the System Profiler on my MacBook Pro (Late 2011), I see: Link Speed: 6 Gigabit Negotiated Link Speed: 3 Gigabit Why is that? Does that mean ...
1
vote
2answers
375 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 ...
0
votes
1answer
730 views

How does iPhone5 battery fare with always ON 3G, not heavy music listening (+ 1-2 hours of Bluetoth), ocassional GPS and Camera use? [closed]

I WILL keep the 3G always switched ON. Also continuous syncing of some services like Gmail, Twitter, Contacts/Calendar/Task apps, WhatsApp, FlipBoard/GoogleCurrents, SimpleNote, Instagram, IM, ...
0
votes
0answers
179 views

Apple TV required switching hardware / mobile WiFi router

I am considering Apple TV for a trips, but usually the hotels' wifis' connections are separated. I came up with using my Vodafone branded Huawei R201 mobile wifi router for that purpose, but I am not ...
6
votes
1answer
20k views

How to identify CPU and memory usage per process on iPhone?

There are many common apps available to show total system RAM usage and free. However, my understanding is only a jailbroken phone has access to the APIs to access PER PROCESS memory usage on iOS. ...
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
1answer
546 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 ...
5
votes
1answer
428 views

How to isolate the most disk-active process(es) in OS X?

I have some process(es) performing a lot of drive access from time to time, however I've hitherto been unable to isolate which process or processes are performing the access. What shell command can I ...
2
votes
2answers
630 views

How can I reproduce the Finder sort order without asking Finder to sort for me?

I work with a large collection of mostly-text files subdivided by series, periodically mirroring them from an upstream repository and repackaging them using a shell script from a slightly chaotic ...
0
votes
1answer
795 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 ...
5
votes
1answer
7k views

How can I control (start/stop) applications and services that start up after reboot?

I have a Mac that is slow when using the internet, but other PCs on the same connection aren't as slow. I suspect there are too many AV scanners running concurrently, or there is some process that ...
0
votes
0answers
56 views

Is there a way to monitor the stack of execution in order to find the longest hangs?

Related to this unsolved mystery: apple.stackexchange.com/questions/62416/why-do-i-get-serious-execution-lag-on-clicks-application-switching-and-general I'm wondering if there's a way to see which ...
2
votes
1answer
3k views

Mountain Lion boot time extremely slow!

After I upgraded to Mountain Lion my MBP (late 2008) started to boot extremely slow. Last time it took 2 hours 46 minutes to boot, now it's already booting for 40 minutes. I've tried cmd+r (just ...
9
votes
3answers
15k views

Can the iPad / iPad 2 handle iOS 6?

I've heard anecdotal evidence of iOS 6 seriously impairing the performance of the iPhone 4 (and had a poor personal experience with it on iOS 5). I was wondering if anyone has had any problems ...
4
votes
1answer
482 views

How To Record CPU and Memory Usage Data

I want to profile the execution of a program to see what in particular is slowing it down - whether it hits a memory cap or if my CPU is not powerful enough. Activity Monitor (the one that comes with ...