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

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2answers
21 views

What is the best way to save iPhone battery?

Since I've moved to iPhone 4 from a 3Gs, my battery drops down extremely fast. If i use it for 20 minutes at the beginning of the day it goes from 100% to 60% and by 3PM with normal use it's at 20%. ...
1
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3answers
53 views

iMac cleanup: can I delete these files?

Using Omni Disk Sweeper, I have listed the very heavy files in my computer in order to, if possible, delete them and free up some space. Of course, I am not going to risk tampering with my system ...
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0answers
18 views

MacBook Pro 13" Retina RAM upgrade Yes / No

Current Situation : I am trying to figure out if in my situation a RAM upgrade from 8 GB to 16 GB is worth the $. Here is my specific situation. I am a simple apple user with a lot of Data. I ...
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0answers
18 views

Time capsule wired backup transfer slow with fast “bursts”

This has been asked already by someone else here, but there was no answer so I like to ask myself again. I got literally the same behavior, a slow down in read mode from initially like 50MB/s to like ...
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0answers
10 views

iOS Network Link Conditioner - difference between “in delay” and “dns delay”?

In the Network Link Conditioner profiles, What is the difference between in delay, out delay, and dns delay? I want to test how my app behaves when it makes a request, and the requested server takes ...
0
votes
1answer
31 views

kernel_task and softwareupdate constantly hogging .5 GB of RAM each [duplicate]

I have a 2011 MacBook Pro. It had 4 GB of RAM and I upgraded it to 6 GB last year as it was getting a bit sluggish with the newer versions of OS X and running Vagrant VMs on it. Lately, I’ve noticed ...
0
votes
1answer
38 views

Why running Time Machine on OS X Server slows down my Mac?

I have MacBook Pro (2.3GHz Intel Core i7, 16 GB RAM, 512 GB SSD - late 2013?) and Time Machine backups data via network to our internal OS X Server. But when Time Machine is running backups, my ...
0
votes
2answers
24 views

Mavericks 10.9.5 RAM problem and performance problems

Macbook Pro Late 2011, Mavericks 10.9.5 had my RAM consumed up to 2.75 GB (out of 4.00 GB) with no apps running except Finder. Hard Disk Storage: ~300 GB free out of 500 GB Creating new, renaming, ...
2
votes
4answers
109 views

What are the Best Ways to Speed Up a Mac?

I have a 2012 Macbook Pro and although it seems to be working fine, over time it has seemed to become more sluggish and less snappy / responsive. So is there any good ways ways that I can 'speed up' ...
1
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0answers
69 views

Airport Extreme (5th gen) throttling ethernet internet speeds

I purchased the router in 2012, and am experiencing slower speeds than expected from my Airport Extreme. Brand new 16x4 channel DOCsis3 modem on Time Warner's approved list. 200 Mbps plan, and ...
1
vote
1answer
28 views

Is it possible to upgrade 2.26 GHz processor to 2.4 GHz?

I recently bought a 2009 macbook that I thought would have a 2.4GHz processor (along with 4GB of RAM) but instead has a 2.26GHz processor with 2GB of RAM. (I expected it to be 2011.) I got it fairly ...
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0answers
27 views

MBP dramatically slowed over the weekend

I have my MBP (13" early-2011 i7) attached to an external screen (not in clamshell mode). I'm not sure what happened over the weekend but the MBP has been possessed somehow; first off it wouldn't wake ...
1
vote
1answer
44 views

How do the MacBook and the MacBook Pro compare performance-wise to an old model iMac?

I'm thinking of purchasing either a MacBook (2015, 1,1 GHz) or a MacBook Pro (2015, 13-inch Retina, 2,7 GHz). I'd like to know how they would compare performance-wise (say, speed on recalculating a ...
0
votes
1answer
59 views

Yosemite or Snow Leopard for 2008 MacBook?

I have a 2008 MacBook which is getting slow, I need to do an erase and reinstall. I have the choice to install Yosemite (online) or Snow Leopard (from a DVD). But would Yosemite be too much for my ...
2
votes
2answers
83 views

Performance of MacBook Air SSD Targeted from iMac

I use a MacBook Air, but would like to put an iMac at my office for a performance boost. I don't want to switch between operating systems, so I'd like to target the Air's SSD (via Thunderbolt 2) when ...
1
vote
1answer
67 views

Mac Mini (Late 2009) - Recommended OSX Version for it?

I have a Mac mini (Late 2009) (hw.model: Macmini3,1, 2 GB RAM) that I've got hooked on my TV primary as a "media consumption" device... but a while ago I updated it to: Mac-mini:~ javier$ sw_vers ...
1
vote
0answers
42 views

What programs actually use the memory on a Graphics card?

I noticed that the Graphics Card memory is hardly used at all, even during Cinebench 3D testing despite the FPS being high. What programs actually use the graphics card memory? Trying to determine if ...
0
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0answers
59 views

Is there a program to monitor GPU processor usage in Yosemite?

iStat only reports memory usage, but I'm looking to see how much of the processor is being used from the AMD M290x graphics card in my iMac. Is this possible?
1
vote
2answers
43 views

Will upgranding my MBP to an internal SSD, improve also speed of reading external non SSD HDrives?

So, I'm thinking of upgrading my MBP (13' late 2011) with an internal SSD drive. I'm wondering if the increase in speed of read and write on the SSD internal drive, will increase peroformance and ...
0
votes
1answer
125 views

How to debug Safari CPU utilization and spinning beach ball?

I have been plagued by performance problems in my late 2010 MacBook Air for several months now. Most of it seems centred around Safari. I regularly get very high fan speeds (loud to the point of very ...
0
votes
1answer
152 views

Apple Thunderbolt or HDMI for external monitor

Is there anybody who can answer me this question? I have a Macbook Pro Retina 15" quad i7 etc and I use some programs/applications wich need a lot of cpu and also the macbook heats up like hell. I ...
-1
votes
1answer
103 views

How much faster is an external SSD than external HDD if internal drive is SSD?

I'm running intensive animation software and am having speed issues. At the moment I'm just working from an internal SSD. How much faster should it run if I put the project files on an external HDD? ...
0
votes
2answers
55 views

Can a MacBook Pro13-inc, 2.9GHz Dual-core Intel Core i7 use CL9 memory reliably?

Looking for a memory upgrade for a macbook pro 13-inc, 2.9GHz Dual-core Intel Core i7, The Apple specifications call for CL11 RAM. The question is if it will work fine with a CL9 memory so I can take ...
-1
votes
2answers
68 views

Why is my Air Port suddenly slow?

For a bit over a day, by AirPort Extreme has been much slower than usual. Over the past year I've had lastTxRate pretty consistently around 250, which is close to the maxRate I get (289). Lately ...
0
votes
1answer
63 views

What does “Increase Contrast” option change?

Many forums say, that enabling Increase Contrast option in Accessibility Preferences helps Yosemite to make the animations, like entering Mission Control to be much smoother. This is also consistent ...
0
votes
0answers
71 views

High CPU usage during disk operations

Early 2009 17" MacBookPro (MacBookPro5,2) 2.66 GHz Intel Core 2 Duo OS X Yosemite 10.10.3 240 GB OWC Mercury SSD, installed in 2010 I've had issues with high CPU usage for a while now. The original ...
0
votes
2answers
54 views

Is disk image encryption slower than partition encryption?

I am considering two options to encrypt some data: add a new encrypted partition add an encrypted disk image Which option is faster in terms of disk read/write speed? I suspect that an encrypted ...
0
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0answers
23 views

Low speed rate when transferring data to usb device

When I try to copy data to my USB device I see a very low speed rate. For example, transferring a movie of 750Mb takes 10 minutes. I have tried with some other external USB hard drives but I am also ...
0
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0answers
140 views

Higher kernel_task CPU usage when playing audio through Thunderbolt Display

I noticed today a higher kernel_task CPU usage when playing audio through Thunderbolt Display from my Macbook Pro (early 2011) on OS X Yosemite. Although the CPU usage is not very high (15 - 20%), it ...
2
votes
1answer
140 views

What do I need to do to get my Apple Watch apps to launch quickly?

Apple describes its Watch as being "ideal for quick looks and fast interactions", but most (in fact almost all) of third party Apple Watch app Dark Sky take 20-40 seconds to launch — during which time ...
2
votes
1answer
48 views

Fan for MacBook Air?

Macbook Air gets hot near its processor and gets sluggish for a while, whenever I make "heavy" tasks at the same time. I wonder if a fan under its base would make any difference since mac has no ...
0
votes
3answers
126 views

Fully upgraded MBA or MBP (13")? [closed]

I'm looking to buy my first macbook and I am unsure which one to buy. I will use my laptop while travelling mostly next year on my working holiday visa for general purposes (web browsing, watching ...
1
vote
3answers
308 views

quicklookd and revisiond eating my CPU

I'm observing regular and abnormal CPU usage on my macbook pro. quicklookd in par with revisiond are eating together over of 50%. It drains my battery significantly and makes the whole machine hot. ...
0
votes
0answers
173 views

troubleshooting Finder (and disk access?) speeds — Dropbox extension problems?

I am on Yosemite 10.10.3, though in the public beta program (which now is in sync with releases). I am also in the Dropbox beta, now on 3.5.58, for what it's worth. File access is curiously slow now. ...
2
votes
1answer
143 views

MacBook Pro a lot slower after reset

I recently had some issues with my computer and since I had a backup of all of my files I decided to just wipe the hard drive clean. After, what I thought, was a full reset I am beginning to suspect ...
3
votes
1answer
149 views

Why don't I see a significant boost in performance moving to SSD on MacBook7,1?

I've got a 2010 MacBook (MacBook7,1) with 8GB RAM running Mavericks 10.9. I recently replaced the stock HDD with a Samsung 850 EVO 250GB SSD and restored from a Time Machine backup. Though Disk Speed ...
0
votes
0answers
130 views

Skype is using 60% to 80% CPU

I have a Mid-2014 15" MacBook Pro with an Nvidia graphics card. Skype uses around 60% - 80% CPU on my computer when I make a call (doesn't matter if it is video or voice call). I tried doing SMC and ...
0
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0answers
36 views

Slowness around Messages in iOS

I have a couple of different symptoms of extreme slowness in Messages which I think are related: Opening the Messages app itself sometimes takes 20+ seconds Opening a conversation within Messages ...
1
vote
2answers
693 views

kernel_task hundreds of % CPU yet cpu frequency is being lowered

I'm trying to solve the mystery of a crazy high cpu usage on kernel_task. MacBook Pro (Retina, Mid 2012), 2.7 GHz Intel Core i7, Yosemite 10.10.2 I saw some advice to download the Intel Power ...
0
votes
1answer
161 views

Macbook Pro 2012 md101 gpu throttling

When playing games on Macbook Pro 13 inch 2012 md101 under Windows 8.1 the temperature rises to 100 degrees pretty fast and gpu starts throttling giving a huge slowdown in games. Is this a normal ...
5
votes
2answers
330 views

Is it better to have more cores or higher processor clock speed to decrease build time for iOS projects

I am trying to pick the most appropriate hardware to speed up build time for iOS projects - I don't know if I should favor faster processors (3.5 GHz) with fewer cores (6) or slower processors (2.7 ...
3
votes
1answer
853 views

Ridiculously slow MacBook Pro

I have a MacBook Pro (I think mid 2012). About three months ago it started running really slow, so I renstalled the OS with a recovery partition. For a few weeks it ran very well with an overall very ...
1
vote
1answer
80 views

MacBook Pro is slow, will adding RAM help?

I have an early 2009 13" MacBook Pro. I have used it a lot and at the moment and for a while now it is quite slow. I need to use various applications like Mathematica (for which it is quite slow if I ...
1
vote
3answers
299 views

Is there a way to stop the optimization process behind “Optimizing Your Mac”?

Using OS X 10.9.5 I got this message after logging out and back in with different UID. Screen is frozen except I can move the mouse courser around just cannot select anything. Display sleep mode does ...
0
votes
2answers
912 views

Third party SSD optimization Yosemite

Unaware of the current issues with Third-Party SSD support on Yosemite I went ahead and bought a 128 GB Crucial MX100 SSD. I hear a lot of problems about enabling Trim on Yosemite etc. I recently ...
0
votes
0answers
81 views

Pros and cons to JBOD setup on MacBook Pro with two internal SSDs

I've got an original Apple-installed 120GB 3G (3Gb/s) SSD which I'll be moving into the optical bay using an OWC "Data Doubler" and swapping a new 240GB OWC Mercury Electra 6G (6Gb/s) SSD into the ...
4
votes
2answers
453 views

How to view CPU clock rate in GHz or MHz?

I am looking to get the new 12″ MacBook and as a result I would like to know the clock speed (in GHz) my current MacBook Air (late 2010) is running at so I know the processor on the MacBook will cope. ...
2
votes
0answers
162 views

High windowServer CPU usage on Yosemite

Since upgrading from Mountain-Lion to Yosemite, my MacBookPro5,5 (13", 2.26GHz C2D, GeForce 9400m) is (almost always) showing bad performance while working with native windows like Finder, System ...
0
votes
1answer
240 views

Will the new MacBook be turbo charged?

The new MacBook 12" has been launched and on the apple store the processor says 1.1GHz dual-core Intel Core M processor (Turbo Boost up to 2.4GHz) Does this mean that the Core-M processor will ...
1
vote
1answer
411 views

Why is cp command 4 times slower than copying in Finder in OS X 10.6?

I accidentally stumbled upon this issue: Copying a 119 MB zip file took 4 times longer in Terminal (cp) than in Finder! I copied a file of 119 MB size in Terminal with time cp file.zip file2.zip ...