For questions concerning computer, or computer-related, performance. Please include metrics in your questions.

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40 views

Achieving very low network latency in Windows (<1ms)

I'm running windows server 2008 R2 on my server and I need to optimise my latency to a certain server, which is currently ~0.4ms (both servers are remote servers in the same datacenter). The server ...
-1
votes
1answer
20 views

Reducing disk usage on Lotus Sametime

My Lotus Sametime (8.5.2) freezes every few seconds, while reading/writing to disk. Process Explorer show heavy disk I/O. I suspect sametime writes logs and the antivirus locks the file while it's ...
1
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3answers
66 views

OS on spinning drive, programs on SSD, will I see performance gains?

My work laptop runs windows 7 professional on a 7200rpm drive, which I feel is a bottle neck. Two programs I frequently use (they are always open) are Netbeans and Outlook, which seem to enjoy ...
0
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0answers
53 views

VMware Work station is very slow and it cause Windows to freeze

I am using VMware Work Station V9 to run Ubuntu (The latest version) and it is very very slow. I have given it 20 GB Disk Space / 4 GB RAM / but it still runs very slow. My current machine has 16 GB ...
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0answers
26 views

Poor wireless performance after WiFi printer intstall & uninstall

A few weeks back I installed a Canon WiFi printer, which caused all manner of issues with my laptop's COM ports (see - Cannot Delete Unwanted COM ports - Windows 7). Unfortunately by the time I ...
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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
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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 ...
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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 ...
1
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0answers
120 views

Windows 7 hangs upon input events and opening sockets

I'm using a work laptop running Windows 7 64-bit Professional. The laptop is a Dell Studio XPS and has the following specs: Intel Core i5 M460 Quad-core 2.53GHz 6GB RAM ATI Mobility Radeon HD4670 ...
0
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1answer
206 views

Does SSD drive really speed up overall performance of computer?

Mostly when I talk to other people or check other discussions on forums, people insist that SSD ( Solid State Drive ) boosts overall computer performance big time. I however cannot fully understand ...
3
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1answer
204 views

Two 2TB drives, why is dd is almost 8 times faster erasing one?

I have two 2TB drives: /dev/sde WCD WD20EZRX-00D8PB0 Firmware revision 80.00A80 (new consumer-grade WD Green series) /dev/sdf WCD WD2002FYPS-01U1B1 Firmware revision 04.05G05 (old pro-grade server ...
0
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1answer
42 views

Windows7, defragment swap and hibernate file and move them to begin of hdd

I tried find any tool for windows7 that help me with defrag swapspace, and move them to beginning of volume. I have no option to create separate partition for swap only, because I have 4 primary ...
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2answers
72 views

Advanced RAM configuration [closed]

I'm a little unsure about whether my current BIOS ram settings are the optimal for the RAM i have. I'm aware some RAM modules may configure themselves with a bit slower speed by default than what they ...
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
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1answer
65 views

Optimizing Corsair SSD Windows 7

I am currently having a Force Series™ GS 128GB SATA 3 SSD which is supposed to have the following specs: Sequential Read Write 560 MB/s sequential read — 535 MB/s sequential write But, instead, I'm ...
0
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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 ...
3
votes
1answer
754 views

VMware Fusion performance degrading after few hours

I've been having an issue with VMware Fusion for some time now, where the VM (running Windows) runs fine initially, but will slow down to a grind after some time (best guess is a couple of hours). ...
0
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2answers
47 views

What is the main bottleneck for a personal offsite backup server

I want to host a personal cloud server on my network and am currently at a crossroads with hardware requirements for the server. My first thought was spend big bucks on a high performance machine with ...
0
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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
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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
1
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1answer
65 views

How do you measure GPU throttling?

How do I determine or monitor when and to what extend my GPU throttles due to thermal constraints? Is this data available natively in logs or do I need to run a separate program beyond what is ...
3
votes
1answer
111 views

Windows 8.1 Maintenance: What is the “.Net Optimization”

Windows 8 and 8.1 (Professional 64-bit in my case) has an automatic maintenance mode that it periodically runs. You can see that periodically when one of the system tray icons changes appearance and ...
0
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0answers
17 views

Need an application that takes a few seconds to test some speed up techniques

there is this ARM9 SAM9G25 embedded device, which I like to improve its performance. I'm using Buildroot 2013.10 to generate the bootable Linux 2.6.39 images. There are some methods I'd like to apply ...
1
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1answer
95 views

Performance SATA 1.5Gb/s controller and SATA 3Gb/s harddisk

Afaik it's no problem to use a SATA 1.5Gb/s controller with a SATA 3Gb/s harddisk (spindle, non-SSD) due to SATA backwards compatibility (ignoring Force150/OPT1 issues for now). To my understanding ...
1
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2answers
50 views

How to diagnose right-click menu slowness?

Is there a way to find specifically what's causing Windows 7 explorer slowness, like right-click menu delay and even opening new explorer windows/drives/folders? Slowness when opening new explorer ...
0
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0answers
67 views

Games in windowed mode lag (with AMD GPU)

Before I start, I tested the latest beta and the latest stable (as of now) drivers, both had this problem. The problem is also not specific to any game, like it happens in Battlefield 4 and Trine 2. ...
1
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0answers
54 views

Performance Issue in Google Earth [closed]

My current version of Google Earth runs poorly and I'm not sure why. Often when exploring around, it stutters terribly. If I launch the flight simulator, my frame rate is out of control. I never had ...
0
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0answers
28 views

Why does secondary hard drive IO slow down the entire system?

I have a two-drive setup: an SSD drive for Windows and apps (C:) and D: drive for code and databases. I noticed that while running an IO-intensive operation on the D drive (SSIS), the entire system ...
0
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0answers
121 views

Very slow loading gifs on Linux/Mac OS X

I've tried a lot of browsers on windows, linux and mac os x. Same gif-pages that loads pretty fast on windows loads very slow on Linux (like 30+ seconds for page with 5 gifs). For example - tumblr, ...
0
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1answer
91 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
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0answers
111 views

UltraVNC super slow on Windows Server 2008 64 bit

I'm trying to use UltraVNC with Windows Server 2008, but the server is very slow (5 seconds lag, high cpu usage..). It has worked fine with everything else I've tried before, but this is first ...
1
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1answer
48 views

How to troublshoot slower OS X performance

I have a Mac running OS X 10.8.4 with 4 GB RAM. But, for some days it seems bit slower in performance. If I switched on the system and logged into my user account and if I monitor the performance via ...
0
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1answer
118 views

Linux benchmark SSD vs HDD

I wonder if there is any performance difference when using SSD as the main Hard drive rather than mounting it to be used by different applications on the server. For example using a command line ...
0
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1answer
49 views

Mixing rams with different frequencies and sizes

I have a computer with 2× 1 GB DDR3 1067 MHz RAM modules. Now I bought 2× 2 GB DDR3 1600 MHz modules. My questions: Should I remove the 1 GB modules and use the new ones only (2× 2 GB = 4 GB ...
0
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0answers
91 views

One particular instance of svchost.exe taking up awful lot of memory. Why?

I have been observing that the process "svchost.exe" in my list of running processes keeps taking an awful lot of memory; close to 550MB at times! There are multiple instances of svchost.exe running ...
0
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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 ...
0
votes
1answer
114 views

Why does a crucial m4 SATA SSD connected to an Inateck USB 3.0 dock achieve substantially less than the expected ~410MB/s?

I have an HP Elitebook 8470w connected to an Inateck USB 3.0 to SATA Docking Station with a Crucial 64gb M4 SSD plugged into it. So why am I seeing un-cached sequential read speeds of only ~30MB/s? ...
1
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1answer
36 views

Dell Inspiron mini 10v hand while playing hd video

I have the problem of Dell Inspiron mini 10v while playing hd video. So recently i have upgraded the RAM to 2 GB DDR2 but still there is no improvement while playing HD video, both sound n video ...
4
votes
9answers
2k views

What's faster for office work - SSD + slow CPU or HDD + fast CPU [closed]

I am going to buy "new" (it can be used) notebook for my work - mostly heavy surfing (I need more browsers with many tabs opened), programming and other office work. I have no experience with this: ...
1
vote
0answers
314 views

Improving/Resolving keyboard input lag with Visual Studio 2013

I'm having a slight delay (50-200 ms estimated) with keyboard input (code editing) from within Visual Studio 2013. The problem does not occur with Visual Studio 2010. When typing, there is a slight ...
2
votes
2answers
46 views

Does RAM Module Size have an effect on overall data rate

A similar question has been asked here: One large ram module or two smaller ones? But my question relates to a very specific scenario. We recently attempted to upgrade a server from 8 4GB RAM ...
0
votes
3answers
312 views

Which OS virtualised runs faster Win 7 or Win 8.1 [closed]

I wish to setup a development windows VM on my Retina Macbook Pro(mpb). This is for the purpose of learning how to develop with Visual Studio 2013. The question is, in terms of performance or ...
0
votes
2answers
414 views

How can I tweak Windows 7 or 8 to Utilize Multi Core Processors?

Nowadays, desktop and workstations are getting more powerful as they have multi-core processors. For the versions of Windows that support multi-core processors, do these versions actually utilize ...
0
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4answers
242 views

Why does SSH feel so much faster than HTTP?

If I ssh into a server, the time between say, issuing the ls command and getting the result is almost nothing. If however I issue an http request for a simple html page (containing only the word ...
1
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1answer
940 views

Windows Defender — 100% Disk Usage

I have recently upgraded my laptop from Windows 7 to Windows 8, and now 8.1. After the upgrade I observed a very high disk usage periodically (almost every day), caused by some weird ...
0
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1answer
69 views

Best VPS performance 1024 mb RAM on HDD or 512mb on SSD

I'm currently running 4 small websites on different cheap shared hosting providers and I'm looking for a different solution. I might put them on one single VPS. The shared hosting only offers 60mb ...
0
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0answers
25 views

Computer slow reponse on a specific user account

I need help with my system. There are two user account in my computer right now. I have installed TEKLA software on my computer. My problem is when I will use User account 1 tekla response is fast but ...
0
votes
1answer
834 views

What is Windows Automatic Maintenance? and How can I manually disable it? [duplicate]

It really frustrates me and I can't disable it! Automatic Maintenance seems to take forever and reaches 80% in CPU usage or more, if it's ran automatically it stops as soon as I touch the Touchpad but ...
4
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0answers
127 views

How do I evaluate an SSD caching solution for home desktop use?

I've got a 30GB SSD that I would love to start using as a cache for my larger HDDs. I primarily want to improve apparent performance for general desktop use. I do the occasional massive DB migration ...