Questions tagged [cpu]

The CPU (Central Processing Unit) is the part of a computer that performs tasks instructed by the computer programs. Its role is somewhat analogous to that of the human brain; it performs simple mathematical, logical, and in/out operation of the machine.

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32
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4answers
101k views

What is the new turbo boost in the MacBook line?

The new MacBook line has a new turbo boost added to the processor: 2.3GHz Quad-core Intel Core i7, Turbo Boost up to 3.3GHz What exactly does this mean? From what I've heard, the processor can ...
3
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0answers
2k views

Why is Mail.app using so much CPU with gmail and Exchange?

My Mail.app is configured for Gmail and Exchange. For some time now the program has been running out of control. It's pretty much constantly burning 100% of CPU (but only 100%). It's got an ...
4
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2answers
4k views

Process “ubd” high CPU usage

I noticed my MBP got really slow, which must be strange with SSD and 8GB of RAM. So I opened the Activity Monitor to discover a process called ubd keeps its CPU usage very high, about 120% most of ...
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3answers
3k views

High Load, but low CPU usage on Unibody Macbook

I have a high system load (> 1.5ish), but a low CPU load (> 80% idle), with the fan running on what sounds like overdrive. The problem is that I can't figure out what is causing the computer to be ...
18
votes
1answer
11k views

Troubleshooting high CPU activity in the WindowServer process

As far as I know WindowServer process is used by all apps to draw windows that we see. And a lot of people are reporting a problem when their WindowServer is using a lot of CPU. Is there any way to ...
6
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4answers
2k views

What is the Mac equivalent of Windows' Power Plans' Maximum Processor State?

One of my favorite features in Windows is the built-in Power Plans. I can change how much energy my computer uses - whether I want it to drain power like there's no tomorrow and get incredible ...
12
votes
5answers
10k views

How can I simulate having a slow CPU?

I am almost done coding my webapp-game. It runs on all modern browsers. However, I want to establish some minimum requirements for it. Thus, I need a slow Mac. However, I don't have access to a slow ...
8
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2answers
1k views

Make Spotlight indexing use less CPU?

Whenever spotlight begins indexing my files, my computer's fan starts spinning like crazy. Is there any way to essentially tell spotlight that it doesn't need to finish as quickly as possible, and ...
28
votes
1answer
52k views

What is the InterCheck process that occasionally uses 96% CPU on my Mac?

I heard my computer's fan spinning fast, so I checked Activity Monitor and saw that a process called InterCheck was using close to 96% CPU. What is this process and why's it using so much CPU? In the ...

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