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

learn more… | top users | synonyms (2)

0
votes
3answers
413 views

Macbook Pro 13" Mid 2014 disk defect?

I just bought a MBP 13" mid 2014 with a 128 GB SSD. When doing a disk speed test with the Black Magic Design-app, I only get about 210 MB/s write and about 510-550 MB/s read. All the benchmark videos ...
5
votes
2answers
23k views

How can I monitor the FPS in OSX?

I'm looking for a solution to monitor the refresh rate of the OSX. In several reviews like this one about the retina Macbook Pro by Anandtech they report actual fps to discuss the performance of ...
0
votes
2answers
2k 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 ...
2
votes
0answers
492 views

FreeNAS, OS X Yosemite and automount

I've got FreeNAS 9.3 server (HP Microserver N54L) and connecting to it via NFS from my multiple OS X systems (running OS X Yosemite 10.10.1). I've always had low performance over the network (1Gig ...
1
vote
2answers
967 views

My Mac recently using RAM like hell?

I have 8 GB of ram and I have only 1.25GB free memory left, not enough to run 2 tabs of gmail. for chrome keep asking me to kill the process of my Gmail which 2-3 days ago I'm always have like 2-3GB ...
1
vote
3answers
1k views

Why is my late 2013 iMac so slow?

For the last three months I have been more or less enjoying my new late 2013 21" iMac. I already have an early 2011 MBP, which is pretty maxed out with a 512GB SSD and 8 GB of RAM, and still feels ...
1
vote
0answers
745 views

Extreme slowness after upgrade to Yosemite; is my specific problem happening to others or just for me?

Like many, my Mac (iMac) has become extremely slow when performing certain operations and it's making it nearly impossible to get work done. I've been paying close attention trying to find some ...
0
votes
4answers
8k 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 ...
1
vote
0answers
149 views

Multicoloured circle of death since Yosemite

I have had my Macbook Pro MacBook Pro (13-inch, Early 2011) 2.3 GHz Intel Core i5 Memory 4 GB 1333 MHz DDR3 for about 3 years now and it has gradually got a bit slower in responding. I have a very ...
2
votes
1answer
127 views

Emulating lower speed CPUs on Mac mini

I would like to ask whether it is possible to develop OS X application (especially for Lion) on a Mac mini, being able to test how the performance would be on a lower speed CPU. For example: ...
4
votes
0answers
11k views

How much difference between i5 and i7 13" Macbook Pro 2014 especially for XCode & Visual Studio compilation? [closed]

I have been trying to decide if there will be a substantial difference between the i5 and i7 processor for compiling and running VMs. I expect to run Windows with Visual Studio in a VM as well as a ...
0
votes
3answers
3k views

Poor Diablo III: Reaper of Souls performance on a rMBP late 2013

I just got a new rMBP (with dedicated video-card) and as a test I decided to run Diablo III: Reaper of Souls on Ultra settings. It looks absolutely gorgeous but its 10-17 fps frame-rate is very ...
4
votes
1answer
3k 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 ...
0
votes
1answer
100 views

Lightweight Mavericks installation

What should I do to aggressively lower the memory usage of my Mavericks installation ? The only things I need to run are XCode and Firefox, everything else can go out the window; I'm not opening any ...
0
votes
1answer
133 views

Macbook Air 13 inch (256 GB/ 8 GB/ i5) along with Windows (Using BootCamp)

I am completely new to the Mac and I am planning to buy MacAir (256 GB/ 8 GB/ i5) model and want to use Windows 7 along with it using BootCamp. I have no problem with MacOSX but need to use Windows ...
5
votes
2answers
945 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 ...
1
vote
2answers
207 views

Booting from an external SSD

I have a late 2009 i7 iMac that spends most of its time reading and swapping files from the 2TB hard drive, even though it’s only 40% full. I want to buy an affordable (240GB/£160) Firewire external ...
6
votes
3answers
2k 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 ...
1
vote
2answers
6k views

How fast is 256GB to 128GB on mid-2013 MacBook Air?

I've tried finding the comparison reviews of the performance differences between 128GB and 256GB PCIe SSDs of mid-2013 MacBook Air 11" and 13" (which now have been carried over as the ...
0
votes
1answer
81 views

Are the two cores of rMPB enough?

I am thinking of purchasing a 13" rMBP. It has two cores. My question is, are two cores enough ? there are other laptops with 4 cores at much cheaper rates available. How does apple seem to pull it ...
2
votes
0answers
108 views

Prevent Open/Save dialog from solliciting external hard drives

I have several external drives, which I don't use constantly, and so they spin down, and rest. Unfortunately for me, every time I have the "Open..." or "Save..." dialogs, Mac OS X spins these hard ...
2
votes
3answers
662 views

Upgrading my Mac: Will it increase performance?

I have a macbook pro 13" 5,5 late 2009 edition, I use it all the time for taking notes and research at college etc. but I also use it to record music for my band and occasionally I play games on it. I ...
2
votes
2answers
1k views

Does a Boot Camped Windows alongside a Mac OS X partition profit from a Fusion drive like Mac OS X does?

While writing an answer to this question Should I defrag my SSD before creating a partition for Boot Camp? i wondered if a Boot Camped Windows profits from a Fusion drive like OS X on the same drive ...
0
votes
5answers
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 ...
0
votes
3answers
66 views

2010 Mac Mini Downgrade

I have a 2010 Mac Mini with no DVD drive and a 5,400 RPM hard drive. Of late, it's begun to get quite sluggish, and I'm fairly sure it's the slow HDD that's to blame. I took a look at the means of ...
2
votes
2answers
66 views

Is Mac OS X keeping constant track of my processes?

I own a 13-inch Mid 2012 MacBook Pro with a 2.5GHz i5 processor and 8GB of RAM, running OS X 10.9.5. I came to notice a while ago, that after having forced a reboot (by holding down the ⌽ Power ...
7
votes
1answer
21k views

Monitor GPU performance on OSX

Is there an application or tool that can monitor GPU performance on OS X? Specifically I would like to see the current speed/utilization and temperature of the integrated NVIDIA chip. For Windows, ...
0
votes
0answers
100 views

Macbook Pro 17 Early 2008 - Mountain Lion - SSD Slow Performance

I have noticed significant performance degradation on my Samsung EVO running on an Old Macbook Pro, Intel Core 2 duo. Are there any SSD tips that I should apply to this hard drive? Will Trim Enabler ...
0
votes
2answers
230 views

Real performance boost with multiple partitions

I have a 1TB Hard drive with multiple partitions where I had previously installed Snow Leopard. Now I'm making a clean install of Mavericks and I have a couple of questions: 1) What are the real ...
3
votes
1answer
1k 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
2answers
934 views

Why does Reminders seem to be syncing with the network, even though I have reminders turned off in iCloud settings?

I started using Reminders.app as soon as I got iOS 5.0, and for me it mostly works very well. As soon as I got an iCloud account, of course I turned reminder syncing on there as well. However I soon ...
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 ...
1
vote
2answers
735 views

Is there anything like NVELO Dataplex (hybrid SSD/HDD software) for OS X?

I'm interested in upgrading my old MacBook to using an SSD and moving the data drive to where the DVD drive is using an optibay. Often SSDs come with a licence for NVELO Dataplex software (which is ...
3
votes
3answers
3k 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 ...
13
votes
6answers
12k views

Alternative activity monitors for OS X?

I’m a bit intrigued by the new detailed activity monitors and progress indicators in Windows 8 (copying files, the task monitor, network activity, etc.) It got me thinking: surely there must be some ...
1
vote
0answers
44 views

Preview scrolling speeds?

When using Preview (on OS X 10.8 & 10.9) I noticed that the scrolling speed is too fast. I often read long documents and want to see in advance what are the chapters coming a few pages later. ...
0
votes
0answers
128 views

top / htop for GPU?

I have been having some of the worst performance problems with my Mac Pro that I've ever seen. It seems to start at the darnedest times with no apparent provocation. I've poured through everything ...
0
votes
3answers
1k views

Poor battery performance on MacBook Pro [duplicate]

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 ...
3
votes
3answers
4k views

Can I improve network speed with VirtualBox between host and guest?

I use a VirtualBox machine with Arch Linux as development web server. I want to improve rsync transfer speed via smb://. What kind of configuration is best to improve file transfer/synchronization? ...
0
votes
1answer
138 views

Why would my Mac be slow after inactivity and then get to full speed after 20-30 minutes of use?

My Macbook appears to get slow after a period of inactivity and then get itself back to full speed after 20-30 minutes. While I have some ideas I'm wondering if anybody else has seen such behaviour ...
1
vote
1answer
3k views

Graphics card confusion and pro apps

I'm doing a report and researching various Mac graphics cards and how they would work or not work with pro apps. I'm very confused by all of the terminology and specifications, so I hope I can ...
-1
votes
1answer
2k views

Can imagent in OS X Mountain Lion be made to consume fewer resources?

imagent is constantly consuming CPU cycles and a couple of GBs of "real memory" on my wife's MacBook Air since upgrading to OS X Mountain Lion. I believe this is part of the Messages app. Is there ...
0
votes
2answers
137 views

Will downloading LaTeX slow down my MacBook Air considerably?

I've begun downloading LaTeX and the download is 2GB. My MacBook Air has a 4GB 1600 Mhz DDR3 memory and a 1.3GHz Intel Core i5 processor. Will this large download have any impact of the long-term ...
0
votes
1answer
212 views

Where should i look to improve slow I/O performance measured with dd?

I have been measuring my primary disk I/O with the following command : dd if=/dev/zero bs=2048k of=/Volumes/Toshiba/tstfile count=1024 2>&1 | grep > sec | awk '{print $1 / 1024 / 1024 / $5, ...
3
votes
2answers
372 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 ...
3
votes
4answers
1k views

Any better way to purge the inactive memory?

Running purge command in the terminal to free the inactive memory isn't really what I think about Apple. Lion isn't doing a great at all when it comes to free the inactive memory. Free memory is ...
3
votes
4answers
16k views

What can I do to speed up a Mac that is running slow?

My mac seems like it is running slower and slower. While I am thinking abut installing Lion from scratch, I figure there has to be stuff I can do now to help. I have reset PR RAM recently, I have run ...
4
votes
2answers
342 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 ...
1
vote
1answer
3k views

How to limit cpu frequency in OS X?

The OS X kernel does control this directly since below 5% my CPU gets locked to 1.2GHz instead of the normal 3.7GHz so there has to be a way to control the CPU speed. I am aware of this question ...
3
votes
2answers
890 views

Changing CPU frequency policies in OS X

I have Core i5 processor with nominal 2.3 Ghz speed. But, according to Intel Power Gadget, most of the time the frequency is much lower. Even during intensive usage. It's 0.8-1.6 Ghz. I noticed that ...