-1
votes
0answers
16 views

OpenGL rendering affects CPU

I have a problem with an app that is slowed down significantly when an openFrameworks based app is launched. Both apps use little cpu and memory, so i don't think there's a bottleneck. I can ...
0
votes
0answers
6 views

what is the number of operations per cycle for the cortex a57 arm processor?

Im trying to figure out how many double precision operations per cylce a cortex A57 processor can achieve, according to this manual page, there can be upto three instructions per cycle delivered ...
0
votes
0answers
30 views

4 cpu Xeon E7-4830 - vs - 2 cpu E5 2697 [closed]

As this page shows: http://cpuboss.com/cpus/Intel-Xeon-E7-4830-v2-vs-Intel-Xeon-E5-2697-v2 There are difference in performance between these two CPUs. But my question is how can I benchmark 4 CPUs of ...
-1
votes
1answer
32 views

Will overclocking my chipset increase the performance of integrated graphics?

My AMD Radeon HD 5830 recently broke (overheated because the fan stopped working), and I am currently attempting to run games on integrated graphics, on my chipset. Many games are responding slowly, ...
0
votes
2answers
60 views

CPU usage 99% constantly

My computer is running windows 8, and suddenly started running slowly. When I open the task manager, it tells me that the CPU is using 99% - sometimes the disk usages jumps up as well. The strange ...
2
votes
1answer
84 views
+50

Slow Harddrive is Dragging the System

I have an HP Pro 3000 SFF running Window 8.1 Update 1 & Ubuntu 14.04 LTS. It uses an Intel G45s Chipset, a Hitachi HDS721050CLA362 500 GB harddrive, an Intel Core 2 Duo E8400 processor, and has 4 ...
2
votes
0answers
16 views

Why do I get better performance on VMWare when I enable all cpus along with adding cpulimit?

I'm curious but at the same time also would like to share my findings of the increased gaming performance in VMWare by enabling all virtual cpus and limiting the VMWare process with cpulimit ...
3
votes
1answer
66 views

Is there a way to identify the busy (CPU-consuming) tab in Firefox?

Sometimes there's a nasty, guilty, CPU-hogging tab in Firefox that's maxing one of my CPU cores and making the whole browser sluggish. I'd like to find it and close it. Sometimes I get lucky, but ...
0
votes
1answer
31 views

i7 (first-gen) running memory on 1066Mhz vs 1600Mhz - any performance loss?

I tried to read about this, like what is the actual difference, but I could not find any benchmarks or helpful posts. Most of them are simple placebo effects, like "oh my god the 1600mhz module made ...
0
votes
0answers
39 views

Hardware concerns for optimal ruby on rails development on ubuntu machine

I've been developing dynamic web sites using ruby on rails on a 5 year old mac mini which has been great except that it takes too much time -- 15 minutes or so -- to run my simple test suites. I ...
0
votes
2answers
61 views

Processor upgrade on a laptop vs. Ram upgrade. Also does ram always matter? [duplicate]

I have a Dell Inspiron 14r (N4110) with an Intel Core i3 and 4gb of ram. It runs very smoothly, however gaming on this laptop is very limited. This is mostly because of integrated graphics but i have ...
0
votes
1answer
37 views

Choosing processors for terminal server [closed]

I am going to buy a server for terminal sessions. It must be able to serve about 500 concurrent sessions without any significant impact on performance. Each session will run a quiet simple app with ...
0
votes
1answer
45 views

How do I determine my bottleneck when executing unit tests?

I've a very large solution, with 11K+ unit tests, and on my desktop it takes about 30 minutes to run them; on my laptop it takes 60 minutes. NOTE: I've already swapped out the HDD for SSD and it ...
4
votes
1answer
239 views

What happens if I use RAM of a faster speed than the CPU supports?

Looking at the Intel E3-1230v2 CPU, under Memory types it says "DDR3-1333/1600". My question is, in what way does the CPU limit the RAM speed? What would happen if I put in a DDR3-2133 RAM chip ...
0
votes
0answers
37 views

Why does the same RAM chip benchmark 2x faster on Intel CPUs?

Compare memorybenchmark.net's benchmarks for the "Kingston KHX2133C11D3/4GX 4GB" chip in the read uncached ddr3 intel vs read uncached ddr amd benchmarks. The Intel speed is listed at 14,881 MB/s , ...
0
votes
0answers
101 views

installed 64-bit W7 on Core 2 duo slow pc

CPU: Intel Core 2 Duo P7350 2.00Ghz RAM: 3GB Hi I recently cleaned and installed Windows 7 on my 3 year old laptop. And it seems most programs are running incredibly slow when starting up a program ...
0
votes
3answers
78 views

How to give 100 percent CPU usage to a process

(windows 8.1 machine with i3) Is it possible to put a process using 100% of my CPU? I have a rather "slow poke" CPU and after a while working with an application, it gets really slow. I'm wondering ...
-1
votes
1answer
59 views

How to speed up my computer? [closed]

I just bought new computer last week. This is my computer information: Operating System: Windows 8 Pro 64-bit; Intel Core i5 4570 CPU 3.20GHz (4 CPUs) ~ 3.2 GHz Memory: 4GB RAM, page file 12 GB ...
1
vote
1answer
40 views

MIPS as a measurement of raw integer data processing

I'm looking for a way to contextualize generational differences in computing performance. Is this a correct application of the MIPS measurement? MOS 6502 - 0.500 MIPS at 1 MHz. As an 8-bit CPU it ...
0
votes
0answers
333 views

Low CPU performance with low usage and clock - Windows 8.1

I recently deleted everything from my PC and reinstalled Windows 8.1 from scratch. When I first booted into Windows everything was extremely slow though the CPU usage was very low (about 1%). After ...
0
votes
0answers
33 views

HP Z-600 Workstation does not use all RAM or cores

I have an HP Z-600 Workstation running on Windows 7 Professional w/ a NVIDIA Quadro 4000 Graphics Card, 48 GB RAM and (2) 6-core processors for a total of 12 cores. When I perform a heavy operation ...
0
votes
2answers
51 views

Playing music while compiling code lags the music, what kind of laptop CPUs avoid this? [closed]

When I play music while compiling code on my laptop (Intel Core 2 Duo T8300), the music stutters and lags. In terms of laptops, what Intel CPUs are capable of compiling without interruptions in my ...
0
votes
1answer
49 views

Will I see an increase in performance if I use Windows 7 Professional over Home Premium? Regarding multiple physical cores

I have 2 physical cores and Home Premium specs say it only recognizes one but Pro recognizes multiple. If I swap out my Home Premium with Pro will I see an increase in performance? I have an Intel i5 ...
-3
votes
3answers
99 views

Quad-CPU vs Dual-CPU AMD performance difference [closed]

important note: in this text - CPU is a CPU (processor, physical object) and CORE is a CORE (invisible, inside cpu)... Quad-CPU systems are expensive, and there is not so many information about them. ...
2
votes
1answer
79 views

Does running constant load help degrade life of a computer? (Ignoring heat generation)

I run Folding@Home on my laptop (2013 MacBook Pro, no GPU). I tried to convince a friend of mine to join me but he claims that running the program will degrade the life of the computer - making it ...
0
votes
2answers
94 views

Sometimes when I check my CPU usage, my 2nd CPU (#1) is stuck going around 90% while the others are around 20% max

i have checked the 'affinity' of all my processes and all of them are set to all CPUs, yet I check my CPU usage and my 2nd CPU (it's called #1 because my first CPU is #0) is jumping around 90% and ...
2
votes
1answer
64 views

What does PCI (not PCI-E) bus speed of 66MHz really mean?

According to this article , the bus is the circuit that connects the motherboard . The faster the speed of the bus , the quicker data can be transferred . Bus speed is measured in MHz (Mega Hertz) and ...
0
votes
3answers
64 views

Normal CPU compared to Turbo frequency?

When I look at the Intel CPU's i5-4570T and i3-4340, the main difference seams to be Processor Number i3-4340 i5-4570T # of Cores 2 2 # of Threads 4 ...
0
votes
0answers
17 views

which processor has better performance [duplicate]

I am trying to decide between 2 laptops: The first is Acer, the second is Toshiba. Acer has Pentium Quad core N3520 processor and Toshiba has Core i3 2370M. Intel's comparison chart shows that Quad ...
1
vote
3answers
87 views

Why do compilers have to be “smarter” for RISC instruction set architecture

Reduced Instruction Set Architecture (RISC) aims to reduce the number of instructions thereby improving performance . The only downside to this approach is that the compilers have to be "smarter" . ...
-1
votes
2answers
36 views

How does fabrication process and compiler quality affect CPU performance

I was reading up on my lectures and one of the slides listed down the factors affecting CPU performance , I cant understand how does fabrication process and compiler quality affect CPU performance
0
votes
1answer
92 views

Powerful computer runs very slow for short intervals

I think this is the best place to put this question, but I'm not sure. Basically, my computer will run very slow every once in a while but then everything goes back to normal (for example, I will type ...
0
votes
1answer
44 views

Same Code, Different Computers - Counterintuitive and HUGE Differences in Performance

TL;DR: I'm doing some performance computing, and I've found that the ostensibly 'weaker' machine is outperforming the 'stronger' machine by orders of magnitude. Why? I wrote some C code for a ...
2
votes
1answer
110 views

Can a kernel that supports multi-core reduce cpu overhead, reduce cpu overheat

I found only a single core as identified by kernel from /proc/cpuinfo. Therefore I am installing a 686 pae kernel to identify all cores and get multi-core functionality. I read about how a process ...
1
vote
1answer
49 views

what is the minimum CPU speed we need to test an application for 100 virtual users load?

The application uses Windows domain for its authentication, followed by one more layer of authentication. I'm trying to run 100 virtual users on this application using JMeter, but seeing 100% CPU ...
0
votes
1answer
2k views

Windows 8.1 Pro - CPU Usage Stays at 100%

About an hour ago, I noticed that my laptop had gotten noticeably slower. My laptop is extremely fast, so this extreme decrease in performance prompted me to look at the task manager. In the task ...
3
votes
1answer
243 views

Why do we need multiple levels of cache memory?

In general a cache memory is useful because the speed of the processor is higher than the speed of the ram (they are both increasing in speed but the difference still remains). So reducing the number ...
0
votes
1answer
204 views

What does cpu MHz mean in /proc/cpuinfo?

I own Quad-core Core i5 laptop. I got curious to know how much time it takes for my laptop to execute a simple instruction. So, I did cat /proc/cpuinfo. Below is the relevant portion of it, model ...
0
votes
2answers
74 views

5400rpm HDD <- paired with -> Gen4 i7 and 16GB memory

From what I understand, to get a really good performance from a laptop on heavy tasks such as video rendering, fast boot time and accessibility, you would want an i7 CPU, a lot of RAM, and a fat ...
1
vote
2answers
95 views

Why are CPUs better than GPUs at regular tasks?

I'm trying to understand the relative strengths of CPUs vs GPUs. Quoting popular opinion, "the more cores, the better", so by that logic, a GPU should always outperform a CPU, and it does with ...
0
votes
0answers
330 views

Installed Windows 8.1, Explorer now taking > 50% CPU

I installed Windows 8.1 (x64 Enterprise) on a 5 1/2-yr old Dell Inspiron 1720 laptop. I'm seeing sporadic extended periods (a couple minutes up to 10-15 minutes) where Windows Explorer is consuming ...
0
votes
0answers
33 views

How much of a difference will a faster CPU make on response time of a web server?

I'm thinking about upgrading my VPS package from my webhost. The VPS has specs of 1.13 ghz CPU and 768 MB ram, and I'm running a LAMP stack. I can upgrade to 1.98 ghz CPU and 1.344 gb of ram. Is ...
3
votes
1answer
14k views

TiWorker.exe - Very High CPU Usage

I have a laptop running Windows 8. Although it originally ran well, it started having very bad performance issues. I decided to perform some research into the topic. Opening up Task Manager, I ...
2
votes
1answer
73 views

Is there a noticeable increase in computer performance moving from a Dual Core to an i5?

I have an i5-3470 3.2Ghz and 6GB or RAM. I also have a Dual Core E5700 3.0 and 8GB or RAM. Both use Windows 7 Pro. I am currently using the latter. I would like to use the i5, but as a developer, ...
1
vote
0answers
1k views

Windows 8.1 Process Migration Limits CPU frequency scaling

Summary: I've noticed that with Windows 8.1 on my laptop, running a single CPU intensive program does not cause the CPU frequency to scale to its maximum value. I suspect that this is because of ...
2
votes
5answers
2k views

Faster processor or more RAM? [closed]

I currently have a low-end Acer laptop with: Intel Pentium CPU B960 2.2GHZ processor 4GB RAM Windows 8 64-bit It runs great until I start Photoshop CS6. That slows it right down, and if ...
1
vote
3answers
528 views

Why does my CPU not use its full capacity?

I am running a Intel Core i7-4820K on a ASUS Rampage IV Extreme Motherboard, my OS is Windows 7. It has 4 physical cores (8 logical). It supports several operations points from 1200 MHz up to 5700 ...
0
votes
1answer
220 views

Why my lenovo i5 laptop perform poor as compared to my i3 desktop [closed]

I have lenovo laptop and desktop which has following configurations: LENOVO LAPTOP: i5 3250 3rd gen cpu @ 2.60GHz 2.60GHz 64 bit architecture window 7 32 bit 4 GB Ram Desktop: core(TM) i3 540 @ ...
2
votes
1answer
70 views

Performance related to ram speed [closed]

My question is: why overclocking the RAMs does not bring a significant performance increasing? If I speed up their frequency and/or their latency, I will not get big advantages. I can't understand it, ...
0
votes
1answer
152 views

Weird CPU behaviour

Occasional low performance & considering the frequency, I'd say it's more of an occasional high performance. The maximum CPU speed is 2.20 GHz. Most of the time, my computer becomes very slow ...