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2011 MacBook Pros Crash Under Load

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31–40 of 64 posts

Re: 2011 MacBook Pros Crash Under Load

#31
post #28
post #19

Somewhat off-topic, but I trust the judgement of those here. I'm in the market to buy one of these. I was wondering whether current owners feel the extra 2MB of L3 cache justifies the price-bump of the 2.3GHz processor.

Totally depends on what you do: I have a 2.6ghz 2010 MBP with an Intel SSD that has been the screamer at our office for quite a while now. My office mate just got a 2011, and even though he has yet to get an SSD in it yet, he runs our integration test suite ( java JUnit stuff, heavy mix of cpu and disk io ) in half the time I can ( thats 7 minutes vs 14 ), and where my cpus stay at 75-90% the whole time, his never br…

In my own tests compiling and building code I found that the OS X disk cache is very efficient and so the SSD advantage disappears after the first run.

Still the best bang for the buck upgrade by far but for the purpose of compiling much less difference than I had expected.

Re: 2011 MacBook Pros Crash Under Load

#32
post #15
post #4

I had the same issue. Instantly cured it by disabling the "Automatic graphics switching" option. Hopefully there will be a better fix forthcoming, but for now it's pretty easy to solve. Even with that headache, this is by far the best laptop I've ever owned. Amazingly fast.

Same here, it would appear Apple is a bit too aggressive with it's power management and it's confusing the living daylights out of the ATI driver when it's on automatic. Switching manually works a treat sofar... http://codykrieger.com/gfxCardStatus/

Good to know, thanks. I'd only ever run it in manual mode anyway. How is the computer supposed to know whether power or speed is more important at any given time?

Re: 2011 MacBook Pros Crash Under Load

#33
post #23

Earlier quoted context omitted.

Depends on whether the code you're running will use the extra cache. In some HPC and gaming circumstances, people write in assembler to make sure a code loop or the data structure being worked on fits totally within the L1 or L2 cache of the processor, which can provide a huge performance improvement. But, for standard use without such specialized workloads, $250 a minor clockspeed and cache improvement doesn't make…

Definitely second getting an SSD instead. It's the single biggest upgrade you can do to a PC today, especially for laptops. If you can live with 128gb of storage, a RealSSD C300, the current performance king (although check Anandtech for updates, this is changing all the time) is $264 from Newegg: http://www.newegg.com/Product/Product.aspx?Item=N82E16820148... This thing will do 30,000 4k writes a second, which is or…

I would actually give the SandForce drives a try. They have better garbage collection. TRIM is coming in Snow Leopard, but it is always nice to have good garbage collection on the hardware.

SandForce wins right now in $/gb, and 4K writes. It loses in anything that is limited by the SATA2 bus, such as sequential transfers.

Re: 2011 MacBook Pros Crash Under Load

#34
post #31
post #28

Earlier quoted context omitted.

Totally depends on what you do: I have a 2.6ghz 2010 MBP with an Intel SSD that has been the screamer at our office for quite a while now. My office mate just got a 2011, and even though he has yet to get an SSD in it yet, he runs our integration test suite ( java JUnit stuff, heavy mix of cpu and disk io ) in half the time I can ( thats 7 minutes vs 14 ), and where my cpus stay at 75-90% the whole time, his never br…

In my own tests compiling and building code I found that the OS X disk cache is very efficient and so the SSD advantage disappears after the first run. Still the best bang for the buck upgrade by far but for the purpose of compiling much less difference than I had expected.

I'll have to get him to run successive compiles and see.

The other advantage of this model is that it is upgradable to 16GB RAM, according to OWC and others [1]. The upgrade is a ridiculous cost right now, but it can likely only go down.

1. http://blog.macsales.com/9394-macbook-pro-2011-12gb-and-16gb...

Re: 2011 MacBook Pros Crash Under Load

#38
post #32
post #15

Earlier quoted context omitted.

Same here, it would appear Apple is a bit too aggressive with it's power management and it's confusing the living daylights out of the ATI driver when it's on automatic. Switching manually works a treat sofar... http://codykrieger.com/gfxCardStatus/

Good to know, thanks. I'd only ever run it in manual mode anyway. How is the computer supposed to know whether power or speed is more important at any given time?

It doesn't really, anything using OpenGL / CoreGraphics triggers discrete graphics.

Re: 2011 MacBook Pros Crash Under Load

#39
My 2010 17" model will get corrupted graphics and eventual a full kernel panic due to issues with automatic graphics switching that are usually triggered by Safari+Flash. Uninstalling Flash, turning off automatic graphics switching, or just using Google Chrome for Flash sites fixed that.

My first-gen 2006 Macbook Pro used to crash under heat/load as well, which was suspected due to misapplication of thermal paste. I sent it into Applecare a couple of years later and they took care of it (even replacing my scuffed up shell).

Re: 2011 MacBook Pros Crash Under Load

#40
post #33

Earlier quoted context omitted.

Definitely second getting an SSD instead. It's the single biggest upgrade you can do to a PC today, especially for laptops. If you can live with 128gb of storage, a RealSSD C300, the current performance king (although check Anandtech for updates, this is changing all the time) is $264 from Newegg: http://www.newegg.com/Product/Product.aspx?Item=N82E16820148... This thing will do 30,000 4k writes a second, which is or…

I would actually give the SandForce drives a try. They have better garbage collection. TRIM is coming in Snow Leopard, but it is always nice to have good garbage collection on the hardware. SandForce wins right now in $/gb, and 4K writes. It loses in anything that is limited by the SATA2 bus, such as sequential transfers.

The stories about TRIM coming in Lion also pointed out that so far it was only supported on Apple's own SSDs.

Also, the major problem with Sandforce drives on Macs is that their firmware can only be updated a) under Windows, in Boot Camp, and b) with an MBR-formatted disk. That is bullshit.

http://eshop.macsales.com/Customized_Pages/Framework.cfm?pag...

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