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2
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2answers
1k views

How to change PC clock speed for individual programs?

We have some older programs (no source code anymore) that run too fast on CPUs with faster clock speeds. I'm guessing that they were written using software delays ('X' number of CPU instructions per ...
2
votes
1answer
1k views

Noisy CPU Fan in Linux Mint

I have a Dell Inspiron laptop with Windows 8.1. The CPU fan is quiet when I use Windows. I installed Linux Mint with Cinnamon on another partition, but the fan is noisy all the time when I use Linux ...
1
vote
1answer
60 views

My CPU frequency stays the same all the time, why?

My CPU(FX9590) clock speed stays at 1.37 GHz all the time even while gaming, but my maximum frequency is able to reach 4.72 GHz at most. I tried to change the clock speed through AI Suite II(I am ...
1
vote
1answer
63 views

Why is current CPU frequency read-only for root?

I have a program that provides benchmarks, but its OS agnostic and does not know how to read CPU frequencies. The test program is driven through a script. If I provide the CPU frequency, then the ...
1
vote
1answer
230 views

How better is a desktop processor than a mobile processor?

Inspired by this question and its answer: What's the difference between mobile and desktop processors? The question and the answer are great to have some insight on the subject. But I'd like to ...
0
votes
1answer
101 views

How to fix CPU clock (for benchmarking purposes)?

How to make the CPU not change the speed (clock)? I want to compare execution time of some programs and need constant CPU performance (not necessarily high performance). The CPU in question is i7-...
0
votes
1answer
151 views

Concerning Dual Processor Motherboards

I've read about dual processor mother boards, but some things don't seem to make themselves clear. I have a few questions: Is a computer with two 1GHz single-core CPUs just as fast as a computer ...
0
votes
1answer
262 views

“svhost(netsvc)” is using about 40-80% CPU when the system starts

My CPU usage is constantly at 40% (maximum 95%) most of the time when I start my PC. It continues to work at this rate for about 15-25 minutes. I checked the performance monitor and found out that ...
3
votes
0answers
91 views

Utilizing the full power of my workstation

I am not a gamer. Used to be, 10+ years ago. My workstation is strictly for business: Quickbooks Excel Access General Business QuickBooks is tied to a synchronization engine that is synchronizing, ...
2
votes
0answers
2k views

How to adjust Turbo Boost Ratios on Mac?

My ratios are set to 0035 on my 2012 13" Macbook Air. In its specs it says that it can be boosted up to 2.8 Ghz. With my current ratios only 2.3Ghz is possible. Basically I'm wondering how I can ...
1
vote
0answers
409 views

Overriding “The speed of processor 0 in group 0 is being limited by system firmware”

My Thinkpad automatically locks the CPU frequency to ~1,5Ghz while the adapter is plugged in without a battery, as described in this article. I don't care whether the adapter can support it or not (...
1
vote
0answers
114 views

Windows 7 - Acer Aspire M5811

I have a problem with my Windows 7 Desktop PC. Today I used it normally and it turned off normally to, but the next time I tried to turn it on, it became extremely slow. It's normal until I need to ...
1
vote
0answers
763 views

How do I underclock my Macbook AIR?

When my MacBook gets below 1% battery life I believe the CPU slows down. The battery indicator states I have 10 minutes left but those are the longest 10 minutes in the laptop cycle. Is there a way to ...
1
vote
0answers
75 views

Percentage cpu use for a particular job decreases over time in Windows 7

I have a multi-core workstation running Windows 7. When I submit a job to run on 12 cores, things go fine, but after some time the percent of the cpu the job occupies decreases from ~30% to 3% even ...
0
votes
0answers
14 views

Relationship between Motherboard FSB and SDRAM Memory memory clock speed

I need to know what is a Relationship between Motherboard FSB and SDRAM Memory memory clock speed? http://www.amazon.com/Silicon-Power-240-Pin-2400HMz-SP008GXLYU24ANDA/dp/B00U3UN8RE?ie=UTF8&...
0
votes
0answers
47 views

CPU Clock not precise?

I have an AMD FX-6300 CPU, non-overclocked. I have all power saving features such as C1E turned off in the BIOS. I have also disabled turbo-boost. At stock settings, this CPU should run at 3500Mhz(3....
0
votes
0answers
18 views

CPU frequency scaling max frequency

I'm able to cap the frequency of my laptop to 800MHz, but I notice the cpu usage almost doubles. Are there any long term negative effects to not letting the cpu manage it's frequency dynamically? I ...
0
votes
0answers
129 views

Difference in performance between ARM and “traditional” CPU on Raspberry PI example

I'm not sure if my question fits here, but I will give it a try since it does not seem to fit any other StackExcnhange. New day ARM processors are slower (if you look at MHz - 500MHz in RPi case). ...
0
votes
0answers
105 views

Why does my app run much faster on my laptop than my VPS?

I have a web application with a Ruby backend that does some stuff that is a bit computationally intensive. I develop and test the app on my rMBP with a 2.7GHz i7. I have the app deployed to a Linode ...
0
votes
0answers
53 views

How to compute the total speed

I am hiring a VPS (Perfetto4) from Mochahost with 2 cores of 2,27GHz. The promissed speed is 2,7GHz total. The multiplier is 11. How do I calculate the total speed of CPU? Is 2 cores of 2,27GHz ...
0
votes
0answers
82 views

Starting any process and suspending it lowers CPU from ~50% to ~5% in Vista, Why?

While doing a little housekeeping on a Windows Vista installation, I discovered that suspending any winlogon.exe subprocess would lower the CPU usage from the normally observed 50% usage down to ...
0
votes
0answers
38 views

CPUMON mhz reading weird

I am using this cpu usage monitor: http://www.den4b.com/?x=products&product=cpumon. They give a cpu speed monitor (im assuming to monitor speedstep). However when the computer is idle it seems to ...
0
votes
0answers
75 views

AMD Opteron 248 H264

Would an AMD Opteron 248 CPU machine handle slightly faster than real time H264 encoding, using something like Sorenson Squeeze 8?