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

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1
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1answer
3k 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, ...
3
votes
3answers
201 views

Can the clock speed of my 2011 MBAir i7 be slowed to conserve power?

Most of what I do with my 2011 i7 MBAir could be done with 10% of the available processor power. Is there a hack to slow the processor to conserve battery for the 95% of the time I don't need it?
3
votes
1answer
3k views

Why might my mac be running extremely slowly at times?

This sounds like a pretty open, multi-possibility question, but I'm at a loss. I continually experience my mac falling behind by several words or characters. I mainly notice it in chrome and adium, ...
5
votes
4answers
22k views

What is the fastest iOS version for the iPhone 3GS?

I upgraded my wife's iPhone 3GS to iOS 5.0.1 and now basic tasks like opening apps like Texts/Phone dialer are now slower than before. I understand the 3GS is 2 years old, but just being able to type ...
3
votes
2answers
900 views

FileVault Performance Compromise?

I'm thinking of using FileVault to secure my computer - it looks like an ideal solution for everything. However, I'm wondering - will it effect the performance / battery life of my computer ...
3
votes
2answers
248 views

Looking for a manga reader for the original iPad hardware

I'm currently using the app icomic with my 1st generation iPad and have used it for probably 2 years. It's decent, but it struggles to display very large images well. Specifically, the images become ...
0
votes
4answers
346 views

What can cause 90 second delays joining a wifi network?

I have been using my Mac Book Pro (15" Lion, latest version) for coming on a year. I used to open the cover, it would search for my wifi, and in 15 seconds I could start web surfing. Suddenly, in the ...
2
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2answers
117 views

How to decide on a new Hard drive for macbook pro [closed]

I have been using my Macbook Pro for about 5 years, it was the first model with the Intel chip. The 100GB hard drive is starting to go and I'm ready to replace it. I went over to Cnet to see what ...
1
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3answers
265 views

Worthwhile to reformat and re-install?

I had a 2 1/2 year old Macbook Pro. It was a 2.33 Intel Core 2 Duo with 4 GB of ram, 320 GB hard drive, running Lion. An employee of my company left and his Macbook Pro was a 2.66 Intel Core i7 ...
1
vote
1answer
584 views

How can I fix Firefox's jagged scrolling on Lion?

I noticed that scrolling in Firefox on Lion is not very pleasant experience. Is there a way to optimize it for better performance? I tried smooth scrolling setting - but it didn't do anything.
0
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0answers
191 views

iPad/iPad2 - PDF page rendering speed

I would like to know how long (in milliseconds) does it take for the iPad/iPad2 to render a PDF page. Every page and every PDF are different, of course. I am interested in average figures if you have ...
1
vote
1answer
125 views

PDF rendering - how much is iPad2 faster than iPad?

I read that iPad2 graphics is faster than iPad. I would like to know how much is iPad2 faster than iPad at PDF rendering.
2
votes
2answers
701 views

16, 32, 64 GB iPhone / iPod touch: are there any negative effects of size?

I am debating between purchasing the 32 vs. 64 GB iPod touch. I would lean toward a smaller hard drive if there is an effect of size on speed or battery life. Aside from cost, are there any reasons ...
7
votes
2answers
413 views

How can I diagnose really poor performance of my 13" MBP 2011 on 10.6?

The specs are: 2011 MBP 13" Core i7 4Gb RAM 320Gb HDD (not SSD) I use the system for work everyday, I almost always run the following: Mail.app Chrome (7-10 tabs) Terminal (2-3 sessions) Skype ...
4
votes
3answers
979 views

MacBook Air mid 2011 Geekbench results too low

My MacBook Air from mid 2011 recently only scores about ~1800 on geekbench vs 5300+ that it was before. I'm starting the benchmarking right after reboot, and the CPU seems initially calm. Any points? ...
1
vote
1answer
100 views

How to have clipboard holding many entries available simultaneously…?

I am looking for: There are many hot words which I often need to type while using my Apple MacBook Pro/Snow Leopard like say my desktop machine name, some other host names etc. Now, right now, I copy ...
0
votes
2answers
413 views

iPod Nano 2G audio started skipping during music playback - what causes this?

My 5 year old iPod Nano "2G" 8GB has recently began skipping during song playback. It sounds like when a CD skips, a kind of digital glitching sound. But lately it's gotten really bad, where it will ...
0
votes
4answers
2k views

OWC SSD freezes regularly

I installed a new 115GB SSD with a clean lion install in my MacBook pro (2010) with the data doubler containing my old seagate hdd. The install took over five hours, which made me pretty suspicious ...
0
votes
1answer
703 views

Will upgrading my 2007 mac-mini from Tiger to Snow Leopard be a performance upgrade?

I'm cleaning my old 2007 mac-mini and am wondering whether I should upgrade it to Snow Leopard while I'm at it? I want to do this only if this will be any performance upgrade. Note that I have ...
5
votes
3answers
3k views

Mac Mini suddently terribly slow

My Mac Mini crashed. I restarted and after a long time the screen remained gray. I then started in single user mode, did a disk check (fsck reported no problems) and rebooted again. The Mac is now ...
-1
votes
2answers
478 views

Early 2011 MBA vs. Late 2011 MBA: NVIDIA GeForce 320M vs. Intel graphics [closed]

Which is the faster overall Macbook Air (MBA) comparing: MacBookAir3,2 Processor Name: Intel Core 2 Duo Processor Speed: 2.13 GHz Number of Processors: 1 Total Number of Cores: 2 L2 ...
12
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2answers
4k views

What does FreeMemory actually do?

There's a highly-rated app on the Mac App Store called FreeMemory. It claims to be able to "increase your free memory with a simple click." Although it's free right now, I believe it normally goes ...
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0answers
144 views

How about Parallels 7's Lion support especially in graphics performance?

I heard that Parallels 6 lack of GPU acceleration with Lion guest. So it's very slow. How about this on Parallels 7?
0
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2answers
2k views

Which one is faster? iMac 27 with Quad Core i5 2.7GHz or a Macbook Pro 15 with Quad Core i7 2GHz?

They are about the same price ($100 difference, iMac $1699, Macbook Pro $1799), and iMac: Quad Core i5 2.7GHz Macbook Pro: Quad Core i7 2.0GHz How can you tell which processor is faster? (the iMac ...
0
votes
5answers
1k views

What can you do to speed up your iOS device? [closed]

What things can you do to increase the speed of your iPhone / iPad / iPod Touch? It appears that over time, the iPhone gets slower and slower over time, and I have picked up a couple of tricks here ...
1
vote
2answers
422 views

Bootcamp - Multiple Windows installations, how do delete one?

I've got a Mac Pro with 3 hard drives: 1 x 7200rpm 640GB - 1/2 for OS X - 1/2 for Windows 7 (Bootcamp) 2 x 5400 Western Digital'Eco-drive' (runs like a dog and is only useful for backups and ...
0
votes
2answers
258 views

How much does Hardware Growler affect performance?

I'm interested in knowing how much Hardware Growler affects performance. My MacBook's performance at some of point in time became terrible and I could not figure out the reason. The Beachball of ...
0
votes
4answers
511 views

MacBookPro / MacBookAir performance question [closed]

I plan to replace my old MacBook with a new MacBookPro or Air but I am not exactly sure what I need. I work as a windows software developer so I need to run Windows with Visual Studio 2010. I am very ...
1
vote
1answer
102 views

Are there advanced performance profiling tools (ideally, with a graphical interface) aside from DTrace?

Simply put, I'm looking for a utility akin to Windows NT's Performance Monitor (perfmon.exe). The ability to specify which metrics I want to track (ex. reads/sec, writes/sec) for a given object (ex. ...
6
votes
3answers
1k views

Is the i7 2.3 Ghz CPU significantly faster than the 2.2 one?

I'm shopping for a 17-inch MacBook Pro and trying to figure out my minimum specs. From the Apple website it appears these are the two procesor options... 2.2GHz quad-core Intel Core i7 processor ...
2
votes
1answer
723 views

Hard disk performance drastically declined after OS X Lion upgrade

After upgrading to Lion (10.7.1) a while ago I'm currently faced with a very poor performance of my system. It's a 2.2 GHz Core2Duo with 4 GB RAM and a 500GB HD. E.g. the JBoss6 AS needs about 5 ...
1
vote
1answer
55 views

Slow in opening videos on iPod Touch

I have an iPod Touch 3G 64GB with 4.3.3, and, with just 5 videos loaded i get a problem with this symptoms: When I tap Videos, it takes ages to load, crashes, then I can load again, still slow Every ...
4
votes
1answer
313 views

How fast should my MBP internal drive be?

I'be been experiencing an ongoing (if not precisely measurable) feeling that my MBP is underperforming, and it seems to be related to disk IO. I recently downloaded a disk benchmarking tool, to see ...
31
votes
12answers
26k views

Why would I disable swap file in Mac OS X?

I came across a thread about installing an SSD drive in MacBook Pro. Someone in the comments also recommended to disable the swap file but didn't say why: sudo launchctl unload -w ...
53
votes
8answers
25k views

How to simulate slow internet connections on the mac

What's a good software solution to slow down internet connections on the mac for testing and simulations? My primary need is when testing code in the iPhone / iOS simulator, so slowing down the ...
2
votes
7answers
16k views

After installing Lion my mac became super slow

After installing Lion, my macbook pro became unbelievably slow.. what could be the reason? Safari sometimes freeze for 30 seconds (in particular when there's Flash content). When I open mail after ...
0
votes
1answer
880 views

How can I effectively analyse my macbook's performance issues?

In recent months my macbook has been steadily running slower. It's about 2 years old and gets heavy use so my initial suspicions are that maybe the hard drive is starting to get old. I used the disk ...
2
votes
2answers
2k views

How much will adding an extra hard drive to my MacBook Pro affect battery performance?

I have a current MacBook Pro 15" i7 2.2Ghz with a 500GB 7200RPM (default) hard drive. I am thinking of replacing both the current hard drive and the superdrive with two Seagate Momentus Hybrid 500 GB ...
1
vote
3answers
237 views

Will I see performance boost if I add memory with these Page-In/Page-Out statistics?

Currently, if I open Photoshop after a days time, the load up time is about 5 seconds. If I close and open again (right after), the load up time is about 2 seconds (I assume this is caching?). Can ...
0
votes
1answer
156 views

Can I force Mac OS to cache my most frequently used applications?

If I buy a lot of ram for my new iMac (16GB), is there a way to make the system cache my most frequently used applications so the launch time is much faster?
4
votes
4answers
1k views

Will the MacBook Air (2011) perform as well as my MacBook Pro (2008)?

I've got a 13" 2009 MBP (8GB, 2.53Ghz). A lot of the time it runs a Win 7 web dev environment (Visual Studio, SQL Server databases, various editors, Photoshop etc.) under Parallels Desktop. It ...
0
votes
1answer
309 views

Why does my FCE export to DV take forever?

I am exporting a sequence from FCE 3.5 with these settings: Export Using QT Conversion… Quicktime Movie>Options     Deselected "Prepare for Internet Streaming" ...
3
votes
0answers
785 views

How many CPUs can be assigned to a Parallels Desktop VM?

I have an iMac with the quad core i7 CPU which shows up in Mac OS X as an eight core CPU (thanks to Hyper Threading, I think). Parallels Desktop allows me to assign 1-8 cores to the Windows VM that ...
0
votes
4answers
2k views

How do I increase rendering speed on Final Cut Express?

How do I increase render speed on FCE? I have several overlaid HD video tracks, and it is SLOW. EDIT: I am on a MBP 13", 2.3 GHz Intel Core i5, 4GB 1333 MHz DDR3. The render disk is an external USB ...
4
votes
1answer
3k views

Mission Control slow and jerky on 2011 MacBook Pros: any fix?

Mission Control has been horribly slow on my 2011 MacBook Pro 15" (2GHz quad i7, 8GB RAM, 256MB graphics, SSD) -- swiping up usually freezes the screen for 2 seconds, before showing me the Mission ...
10
votes
5answers
765 views

What scenarios benefit from Mac OS X allowing apps to run when no document windows remain?

As a rule of thumb programs on Mac OS X stay running when you close all their document windows. This is the behavior I noticed in MacVim, VmWare Fusion, Chrome and host of other applications. I ...
1
vote
2answers
3k views

Is upgrading an iMac to an SSD over USB 2/FireWire an upgrade?

I bought the smallest 21" iMac model of the 2011 update cycle. I was planning on having the HDD replaced with an SSD later on. Turned out this would not be an option. So I'm either stuck with the ...
0
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2answers
748 views

Problematic performance of Adobe CS5.5 suite on OSX (Snow Leopard)

We are running some 17 iMacs ranging from 2008 models to 2010 models, all with 4gb ram. Most are on 10.5, the newest one on 10.6 We upgraded from CS 4 to CS 5.5 last month. We also upgraded from ...
4
votes
1answer
2k views

Snow Leopard vs. Lion performance: what are the differences?

Is Snow Leopard or Lion faster? And how significant is the speed difference?
6
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4answers
1k views

How can I best use an SSD?

I have a Mac Pro, and I've added an Intel 80GB SSD to improve performance in LightRoom and Photoshop. So far so good. But after moving all of my current work, catalogs, etc. to the SSD, I still have ...