Questions tagged [performance]
For questions concerning computer, or computer-related, performance. Please include metrics in your questions.
453
questions
3
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3
answers
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Lenovo laptop with Intel CPU remains at lowest clock
I have an Lenovo T440p with an Intel Core i5 4300M CPU. 8GB RAM, SSD running with Windows 7 (preinstalled).
The only thing I did not like about this laptop was the screen, which I replaced (the whole ...
- 181
3
votes
1
answer
3k
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How can mainboards provide more PCIe lanes than the chipset?
I'm currently choosing parts for a new computer, with my main focus on high PCI Express speed and a large number of slots. In this iteration, I will probably choose a board with an Intel Z97 chipset. ...
- 133
3
votes
2
answers
17k
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Dual Monitors with Integrated and Dedicated Graphics Card - Performance Impacts?
are there any downsides in using two Monitors?
One over the integrated graphics card (Intel(R) HD Graphics 530 in my case) and the other over the dedicated graphics card (NVIDIA GeForce GTX 1060 6GB)?...
- 39
3
votes
8
answers
14k
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Very long boot up process?
Very strange boot up process that took literally 5~6 minutes. Other than the boot up, the PC works perfectly fine.
Things I have tried:
CHKDSK (No errors)
Reset BIOS (HDD 1st)
Defrag
Link to video ...
- 2,350
3
votes
6
answers
2k
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hibernate takes 4 minutes 38 seconds
I have a 4GB RAM 500GB 7200 rpm HDD laptop and when I hibernate the laptop it takes in the region of 3 or 4 minutes(*) to hibernate. not the 24 seconds it used to take.
It takes this long whether or ...
- 651
2
votes
2
answers
150
views
Loss of space on a 16 Gb flash after format
So, I have a friend who has a flash drive that was playing music on a dvd player. Everything was great then all of a sudden it just stopped. First, I tried to do some data recovery on it but the ...
2
votes
3
answers
15k
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Making Windows XP run on 256MB of RAM
I have a Windows XP system which has only 256 MB of ram, and unfortunately upgrading the RAM is not an option (it needs DDR, a DDR2 chip didn't fit and I'm not in town long enough to order one online)....
- 7,378
2
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8
answers
293
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Computer Speedup
We've all seen that ads strewn across the web that tout the ability to increase the speed of our computer by 200%+. Obviously, these don't work. But what is the real way to speed up and optimize your ...
- 1,795
2
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5
answers
442
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Memory and CPU optimizers: Are they gimmicks?
Are tools which analyse which enable you to use all your CPU cores and also tools which help you to regain memory (can't think of any just yet but seen plenty) a gimmick? Do these tools really work?
- 733
2
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1
answer
6k
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How to identify hardware performance bottleneck in laptop? [closed]
Is there any tool that helps to determine the weakest link of my current laptop hardware specification? Any online guide to help me choose nice balanced configuration for the new laptop?
I need to ...
- 994
2
votes
1
answer
880
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Windows 7 64bit - terrible performance, CPU only running at 800 MHz
My relatively new i7-4790K @ 4.00GHz has been exhibiting terrible performance since I bought it a few months ago.
The machine feels extremely sluggish. CPU utilization at rest, as reported by ...
- 360
2
votes
2
answers
7k
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Task manager: CPU Utilization and speed?
I have a question regarding task manager in Windows 8. It shows us CPU utilization and speed. From what I understand, utilization is how much of the processor time is spent running processes. Speed ...
- 227
2
votes
4
answers
177
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How do I speed up lackluster hardware running Windows 7?
I'm one of very few people at my company who does graphic work, and I do quite a lot of it. Headquarters doesn't quite get that graphics work requires different hardware than, for example, sales work, ...
- 261
1
vote
1
answer
2k
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Frequent WiFi disconnects on laptop when not charged
I have a weird wireless connection problem. The whole thing started today, when I installed my new router a D-Link DIR635 model after my previous router became very unreliable and faulty. I use this ...
1
vote
1
answer
1k
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ATI Radeon HD 4650 poor performance in battery mode
I have an AHTEC Sense XHLB2 (a relabeled version of the Compal HLB2) that has a VGA ATI Radeon HD 4650.
When I switch off the power plug and run into battery mode the perfomance of the laptop is ...
- 2,055
1
vote
2
answers
3k
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800 MHz DDR2 RAM shows half of memory speed on my machine
I have an Acer Veriton l670 mini PM. My machine has:
E8400 3 GHz dual core CPU
2x2, 4 GB DDR2 800 MHz RAM dual channel (Kingston acr256x64d2s800c6)
320 GB hard disk 7200 rpm
While this is not a very ...
- 195
1
vote
1
answer
182
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automate system maintenance
How do I automate system maintenance?
I'm using tune up utilities 2010, portable spybot, malware bytes, ad-aware, c-cleaner, and avast free antivirus.
I'm using windows xp.
Please tell me, how can I ...
- 6,542
1
vote
2
answers
3k
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How to improve performance of RSYNC's delta transfer on receiving host using software only?
I'm using RSYNC to backup VMs for Virtual Box from one server to some Synology NAS DS1512+. The important point is that I really want to backup the VM-images itself, NOT individual files within those ...
1
vote
4
answers
5k
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Slow Browsing/Direct Download, but Fast Bittorrent Download
I'm using Windows XP SP2. I have a 1 MB connection via a SpeedTouch 585, and my internet speed registers at 0.3 MB, with a maximum download of 30kbps. Not to mention a terrible ping at 500-1500. On ...
- 33
1
vote
3
answers
3k
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ssd running slow
I have a Kingston SSDNOW on sata 2.
Doing a benchmark i get these results:
As can be seen, the sequential write performance is terrible. Below even 100 MB/s.
Also why do the tests labelled 4k show ...
- 1,861
1
vote
2
answers
328
views
Performance issue with my system
Recently while using my laptop (Dell XPZ15z) all of a sudden the CPU usage is spiking to 80-100% then will drop in say 5-7 sec. I am not running any application or process that requires such CPU usage....
- 113
1
vote
5
answers
3k
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Does compressing files in XP slow things down?
I frequently run the Disk Cleanup tool and let it compress old files. However, one of the directories it compressed, full of small icon images, is terribly slow. Is this a result of the compression or ...
- 9,471
1
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1
answer
731
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How to store data in pagefile?
Memory-mapping, e.g. via Python's numpy.memmap, works, albeit temporarily; once pagefile capacity is exceeded, the arrays are silently unmapped from pagefile. Re-mapping each time is undesired - need ...
0
votes
1
answer
331
views
Annoying Fan noise vs slow down
I was in a situation where when I would scroll or navigate through Google Drive, there would be a slowdown while a fan that had been silent revved up. It would also keep me awake at night.
So today I ...
- 562
0
votes
1
answer
360
views
Will adding extra RAM in my computer speed it up?
I have a 5 year old Dell Inspiron 530 desktop computer which is slowly grinding to a halt. Someone told me if I put extra RAM in it will speed it up. On the motherboard, there are four slots but only ...
0
votes
3
answers
427
views
Will I perceive speed improvement with more RAM?
I have a Toshiba Satellite L855-S5240.
The current specs are:
Intel® Core™ i5-2450M Processor2.5 GHz, (3.1 GHz with Turbo Boost
Technology 2.0), 3MB L3 Cache
Mobile Intel® HM76 Express ...
- 111
0
votes
1
answer
3k
views
SSD disk active time 100 percent frequently on idle
I am using windows 11 and I have 2TB M.2 NVME SSD on my laptop. My disk active time is regularly hitting 100 percent on idle. Even tho there is almost no read and write activity at all. Even when my ...
- 413
0
votes
1
answer
145
views
Should I expect adding more RAM of the same model to lead to worse benchmarks?
I bought 4 2x16GB Corsair Vengeance 3200 LPX kits thinking this would be the same as buying 1 128GB kit. I seemed to have lucked out in that my motherboard (ASRock x399 Fatal1ty) can use all 128GB at ...
- 155
0
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3
answers
2k
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Linking computers to increase performance [duplicate]
I have 2 laptops (one of which is my primary PC) and a desktop PC. The desktop run on Vista Home Edition, the secondary laptop also runs on vista and the primary laptop runs on windows 8.
It is ...
- 1
0
votes
3
answers
369
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what could be cause of my slow running laptop on windows 10
I am having a laptop which has 12 GB of RAM.
Intel Core i3-60060 CPU 2 Ghz
it has become extremely difficult to use this laptop for some unknown reason.
I am attaching a couple of screenshots which ...
0
votes
1
answer
2k
views
Slow transfer with memory stick (819 kb/s)
What do I do to optimize the file transfer rate of a Memory Stick Duo?
The file transfer was not like this when it was still new. Can reformatting give new life to a memory stick?
It takes about 20 ...
- 3,649
0
votes
2
answers
5k
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Windows 8: Disk Usage at 100%? Nothing Responds
Lately my Windows disk usage has been "sky-rocketing" to 100% and then everything freezes up, nothing is responding. I can’t even open the menu from sliding my mouse to the top right corner and I can’...
- 11
-1
votes
3
answers
5k
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19MB/s Net Speed but Only 2MB/s Usable
Hi so i just got internet a about a month ago and my net speed is 19MB/s, I have tested it on loads of sites they all say the same thing(19MB/s), but it wont use more than around 2MB/s i have tried ...
-1
votes
2
answers
2k
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Turbo boost not really Turbo boosting
From what I understand Intel Turbo Boost "accelerates processor [...], automatically allowing processor cores to run faster than the rated operating frequency if they’re operating below power, current,...
- 1
194
votes
9
answers
32k
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Why does emptying disk space speed up computers?
I have been looking at a bunch of videos and now understand a bit better how computers work. I better understand what RAM is, volatile and non-volatile memory, and the process of swapping. I also ...
- 2,641
157
votes
9
answers
430k
views
Linux: find out what process is using all the RAM?
Before actually asking, just to be clear: yes, I know about disk cache, and no, it is not my case :) Sorry, for this preamble :)
I'm using CentOS 5. Every application in the system is swapping ...
- 1,717
91
votes
13
answers
258k
views
How can I produce high CPU load on Windows?
For testing purposes I need to generate high CPU load on a Windows Server 2003.
I cannot install any software but have to make do with what Windows provides.
What would be the best way to achieve ...
- 911
86
votes
4
answers
74k
views
Why is piping 'dd' through gzip so much faster than a direct copy?
I wanted to backup a path from a computer in my network to another computer in the same network over a 100 Mbit/s line. For this I did
dd if=/local/path of=/remote/path/in/local/network/backup....
- 1,480
75
votes
3
answers
10k
views
Why are smaller capacity SSDs slower?
I was reading this Tom's Hardware article on testing SSDs and came across the following claim:
With SSDs, performance varies by capacity point. Smaller drives tend to be slower than larger ones, ...
- 1,640
63
votes
2
answers
44k
views
Why is the Alpine Docker image over 50% slower than the Ubuntu image?
I noticed that my Python application is much slower when running it on python:2-alpine3.6 than running it without Docker on Ubuntu. I came up with two small benchmark commands and there's a huge ...
- 951
47
votes
9
answers
141k
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 ...
- 3,031
45
votes
4
answers
42k
views
How badly do SSDs degrade without TRIM?
SSDs have been out for a few years, and have seen all kinds of usage patterns. Windows and Linux support the TRIM command, with Mac OS still trailing behind here. Update (2011): It appears OSX Snow ...
- 573
38
votes
6
answers
36k
views
Why is my /dev/random so slow when using dd?
I am trying to semi-securely erase a bunch of hard drives. The following is working at 20-50Mb/s
dd if=/dev/zero of=/dev/sda
But
dd if=/dev/random of=/dev/sda
seems not to work. Also when I ...
- 1,129
37
votes
9
answers
52k
views
Why does GIMP start up so slow on my machine?
Is there any way to speed up GIMP's startup time on Windows Vista Home Premium 32-Bit 1.6 [Dual] Intel Processors? On XP [different computer], it loads in less than 3 seconds. On Vista, it takes 20 ...
- 3,578
37
votes
8
answers
75k
views
Why won't my CPU operate at its max potential even when my application (which utilize CPU's resources) is lagging?
Why does my CPU never max out even when my application, which eats up 40% of the CPU (but 30 - 40 % of the CPU still stays idle), being laggy?
Does that mean:
There's a way to force the CPU to run ...
28
votes
10
answers
51k
views
Computer slow after installing 32GB RAM
I'm currently running very large network simulations for my PhD research, for which I need lots of RAM. I have a Core i7 2600K processor with a Gigabyte GA-Z68AP-D3 motherboard, running Windows 7 ...
- 464
27
votes
2
answers
3k
views
Why are start-up times faster on Windows 8? [closed]
A few people have done benchmarks comparing Windows 8 to Windows 7. Many features don't improve, but consistently, startup time is better.
Why does Windows 8 start up faster compared to Windows 7? ...
- 3,852
24
votes
2
answers
42k
views
Performance difference between SD and MicroSD cards?
If you compare a MicroSD card with an advertised speed of 48 MB/S to a full size SD card with an advertised speed of 48 MB/S (from the same manufacturer), should their performances be identical?
Or ...
- 8,328
23
votes
4
answers
67k
views
How to test router-to-PC connection speed?
Is there a way to benchmark how fast my router is connected to my PC, independent of the internet?
I've had slower-than-usual internet-based benchmarks, and I'm having a hard time figuring out if it'...
- 23.9k
23
votes
3
answers
15k
views
Which have better performance Two 2GB RAM sticks or One 4GB RAM stick? [closed]
I am planning to buy a new PC. The mainboard has 4 memory slots, The PC has Windows 7 64-bit installed.
Which approach is better regarding the performance buying:
Two memory sticks of 2GB?
One ...
- 345