Questions tagged [performance]
For questions concerning computer, or computer-related, performance. Please include metrics in your questions.
452
questions
20
votes
5
answers
62k
views
Optimal RAM configuration: one large DIMM vs multiple smaller DIMMS?
I have always been told there were performance advantages in using multiple smaller DIMMS vs a single larger DIMM (as the combined bandwidth of all the motherboard's RAM slots would be used).
My boss ...
20
votes
7
answers
3k
views
What to do with a ton of extra memory?
I have 8gigs of RAM in this machine. I never really use more than say 4gigs (includes my virtual machines I use for dev testing).
What can I do with this extra space to best improve system ...
18
votes
3
answers
23k
views
Why is gzip slow despite CPU and hard drive performance not being maxed out?
I have some JSON files, 20 GB each, that I want to compress with gzip:
gzip file1.json
This takes up one full CPU core, all fine.
It processes around 25 MB/s (checked in atop), my hard drive can ...
17
votes
7
answers
58k
views
RAMDISK OS? Installing Windows 10 on a ramdisk
Is it possible to put the entire operating system on a ram disk? If I have 16 GB of RAM and it is an Intel Xeon. I don't have an SSD and my hard drive is killing my boot time. So can I just allocate ...
17
votes
5
answers
29k
views
How to increase performance of Remote Desktop
How can I increase performance of Remote Desktop on windows XP sp3? A better network connection is not an option, this is for at work. I have suggested a network upgrade to my boss and it is not in ...
16
votes
14
answers
59k
views
What's the fastest way to transfer files between 2 computers? [closed]
Let's say that I have 80Gb of data to transfer from one computer to another. What's the fastest method to transfer that files?
Network transfer?
DVD Recording?
Copying in a pen drive?
Removing one HD ...
16
votes
3
answers
5k
views
How can I verify that my SSD is performing as it should?
I've got a brand new 256GB SSD (Crucial CT256M225) which should have stellar performance. However, on my (also brand new) Dell Studio 1557 with Windows 7 Professional 64 bit, it's only giving a ...
15
votes
4
answers
69k
views
My Mac is slow but don't know what's slowing it down
My Mac (Macbook Pro) is sometimes slow doing basic tasks, like browsing the web or something like that. If I open Activity Monitor, I have (maybe) one program that is about 10 % CPU, others are below ...
15
votes
2
answers
37k
views
Good OS X Hard Drive Benchmark
What software can provide some insight on the performance of the hard drive in my MacBook Pro? I would be interested in both sequential and random read and write performance.
This is in the context ...
15
votes
5
answers
23k
views
What's wrong with disabling the Windows page file?
People say that you always need a page file, and that it will increase performance, but my Windows 7 is set to run without a page file. I simply don't understand why people say this - I have 6 GiB of ...
15
votes
4
answers
5k
views
Does the access speed depend on the number of files on a network share?
In our office we use a RAID5 of SSDs as a network share on a linux server. This share is accessed as a network drive from Windows-PCs and Mac. Sometimes this network share becomes awfully slow in ...
15
votes
2
answers
10k
views
Best Linux for a single application & fast boot? (also How-to?) [closed]
I'm looking for a way to run Celtx,a screenwriting software on a Linux Distro and nothing else, no bluetooth, internet/WiFi, media, games, nothing, not even a desktop. Just boot up the OS and Bam! ...
14
votes
3
answers
159k
views
Minimize file size of Microsoft Word documents
What are the best ways to
ensure a small filesize for Microsoft Word documents when starting from scratch
reduce the size of existing Microsoft Word documents
using only tools available in the ...
14
votes
4
answers
9k
views
Is (Ubuntu) Linux file copying algorithm better than Windows 7?
Windows Copying is a real mess ever since Windows Vista. Even Microsoft claims they've improved the performance, from a user perspective, it's not quite visible. Even with single file the copying ...
14
votes
2
answers
12k
views
ZRAM vs ZSWAP for lower end hardware?
I spent the last 2 days researching about these two features that allow saving a bit of memory.
Here's how I understood them:
ZRAM: Once the RAM reaches 100% usage (or the remaining
incompressible ...
13
votes
6
answers
54k
views
Windows 7 kills VMWare performance by disk caching?
We're running Windows 7 Enterprise 64-bit SP1 on Dell Precision T3500's (Xeon E5630 @ 2.53GHz, 4GB of RAM). On top of this is VMWare Workstation 7.1.4, up to date. Running in a VM is Windows XP ...
13
votes
1
answer
21k
views
What is the performance cost to running BitLocker?
BitLocker encrypts the entire hard drive. I run Visual Studio and build projects much of my day. How much will BitLocker slow me down (dual core laptop with 3 GB of RAM)?
13
votes
2
answers
1k
views
The Windows Registry - Why (and Where) Does It Exist?
Was talking to a friend about the registry, and realized I couldn't remember the issues Microsoft was trying to solve that brought it into being. I know it had something to do with too many different ...
12
votes
4
answers
1k
views
Is it worth buying SSDs for a RAID?
Im seeing people using SSDs for RAID-0 and getting excellent improvements in read/write rates.
But now there is a good opportunity to acquire another SSD Force Corsair F60 identical to mine. I'm ...
12
votes
2
answers
8k
views
Poor gaming performance with hyper-v installed in windows 8
I am getting very poor gaming performance on my Windows 8 host OS with Hyper-V installed but no guest machines running.
For example World of Tanks reports 60-70 FPS without Hyper-V installed and 4-14 ...
12
votes
1
answer
28k
views
Opening VLC media player 3 takes a long time to open
VLC Media Player 3.0.8 is taking a long time to launch on my Windows PC. It typically takes 6 seconds or more. I have a Win 10 machine with a class 50 SSD, Six Core Xeon 2.90GHz, etc. VLC launch ...
12
votes
6
answers
11k
views
Vim configuration slow in Terminal & iTerm2 but not in MacVim
Ideally, I want to use Vim from Terminal or iTerm2. However, it becomes unbearably slow so I had to resort to using MacVim. There is nothing wrong with MacVim, however my workflow would be much ...
12
votes
7
answers
24k
views
What does the percent CPU mean?
I am watching my CPU percent utilization by a process. How does a process use only 50% CPU? Doesn't a process use 100% then 0%, then 100%? Its not like every other instruction is a different program.
12
votes
6
answers
6k
views
Does opening a lot of tabs in Google chrome cause a performance issue?
I have heard that each tab in a Google chrome is a separate process. So if any tab crashed it won't be affected to the whole browser. So if you open so many tabs there will be as many processes in the ...
12
votes
4
answers
24k
views
Inkscape extremely slow on new, powerful computer
Last week I bought an ASUS ultrabook laptop:
i7 6500U processor;
256 GB SSD hard drive;
8GB RAM memory;
Intel HD Graphics 5500 video card.
I was told this laptop should be extraordinary fast. ...
11
votes
5
answers
42k
views
How to speed up Windows 8 on Samsung laptop?
I just bought a Samsung Series 5 notebook, with Windows 8, but I found it unreasonably slow to reboot and install updates.
Last night I waited for 1h30 for it to install 1 update and reboot, when I ...
10
votes
2
answers
100k
views
Does the amount of files on desktop affect computer performance?
I store thousands of files directly on the desktop folder.
When I tell that to some people, they begin to yell "you're making the computer slower!" without any rigorous arguments whatsoever, just ...
10
votes
1
answer
2k
views
How to move a file from one location to another on the disk?
I want to move a specific file (for example a binary .exe) that occupies a specific low offset (physical position) on my HDD to a lower offset (external edge of my HDD). From what I know I can't do it ...
10
votes
5
answers
40k
views
Is it possible to use a server to play games?
I am curious on whether I could slap a high end video card into a server and use it as a high end gaming machine.
The server is a HP DL360 G5 with x2 Intel Quad Core Xeon processors, 16 GB of RAM and ...
10
votes
2
answers
30k
views
SSD with write cache buffer flushing turned on is way slower in AS SSD but not CDM
When running a benchmark using the program AS SSD on an NVMe drive, When the second checkbox seen in the image below is unchecked, the drive gets terrible write performance in AS SSD (see first ...
10
votes
3
answers
27k
views
Single Threaded Qaud Core v.s Hyper-Threading Dual Core [duplicate]
Let's say we have two CPUs, One is Quad Core 3.2 Ghz with 4 Cores, and We have a Dual Core 3.2 Ghz with 2 Cores with 2 threads in each Core (Hyper-Threading). My assumption as a programmer will be, ...
10
votes
3
answers
70k
views
What's the typical performance of Windows File Sharing (SMB) on a gigabit ethernet network?
I've recently set up Windows file sharing over a gigabit ethernet network (I'm not using jumbo frames) with a Samba server and a Windows Vista client. I've done a few file copies, but the maximum ...
10
votes
6
answers
170k
views
Hard disk suddenly is extremely slow
Edit: New discovery! It seems there is something about idling that's getting to it. If I load a program immediately as after the OS is finished loading the speed is perfect and phenomenal, but if I ...
10
votes
7
answers
7k
views
Are SSDs worthwhile for software development? [closed]
I have a MacBook with 8GB of RAM and a 500GB 7200rpm hard drive. I write software for a living. I am contemplating getting an SSD Drive, but I am unsure about the performance.
Do SSD drives really ...
10
votes
11
answers
235k
views
What are possible causes of keyboard lag on my desktop machine?
I am running Windows 7 and began experiencing keyboard lag in most applications, and it seems to be getting worse. Certain websites are the worst - on some, I can type a sentence, take my hands off ...
10
votes
4
answers
896
views
What is overclocking the system?
I have heard this term many time and would like to know what does it exactly means?
9
votes
3
answers
20k
views
Is a VeraCrypt partition slower?
I just got a new external hard drive. I want to create an encrypted partition on it with VeraCrypt. I did the same thing with a similar drive. I just copied a file over to it and the speed was about ...
9
votes
3
answers
7k
views
High CPU load from System when idle
I run Windows 8 Pro 64bit on a ~3 year old Sony Vaio.
Pretty much since I installed Windows 8 I get high CPU load when I leave the system alone for a couple of minutes.
The high load will continue (...
9
votes
4
answers
40k
views
How to speed up the ftp upload process?
So why are FTP uploads soo slow? I am using filezila as a client.
I have like 10 mb in 1000 files and I can upload each individual file with 300-500kb/s yet the whole upload is incredibily slow due ...
9
votes
1
answer
3k
views
Performance of Multiple RAM Sticks Compared to Single Sticks
It's no secret that using two physical drives gives better performance than two partitions on the same physical drive; because there are two devices, they each have their own platters, head, caches, ...
9
votes
1
answer
17k
views
Windows 10 creators update (1703) - Very low performance on high-end laptop
I would like to start by saying that I've already contacted nVidia and Microsoft support via chat and they couldn't help me.
My specs:
- Laptop: Clevo P870km1-g
- CPU: I7-7700K @ 4.2ghz
- Drive: ...
9
votes
1
answer
3k
views
Why can Vim open large files faster than some other text editors?
When opening large log files (well, not that large, but 80mb is still a lot of text!), I've always used Vim since it loads them almost instantly. Other text editors like Notepad, Notepad++, etc will ...
8
votes
1
answer
7k
views
What's the difference between a power plan and a power mode?
In Windows 10 when I click the battery icon in the system tray a box appears asking me if I want to switch to better battery, better performance or best performance.
Also there's an option called ...
8
votes
4
answers
8k
views
Under what circumstances can/will a 10BASE-T device slow down a 100BASE-T or faster network?
Suppose I have a 10BASE-T device, but everything else on my network is 100BASE-T or faster. When I attach the 10Mbit device, one of two things could happen:
It could be passed through as 10BASE-T, ...
8
votes
2
answers
15k
views
How to make high performance cluster out of 2 laptops I have at home [duplicate]
Possible Duplicate:
Is it possible to combine processing power of 2 computers?
Hi,
I have 2 laptops at home. Could someone please suggest some free cluster softwares using which I can make a HPC ...
8
votes
3
answers
19k
views
SSD vs RAM: what's the cost/durability difference and limitation to using SSD as memory?
I've read that some commercially available SSD are capable of 4GB/s writing speeds top, while current DDR4 Ram speed can be between 15GB/s and 25GB/s, meaning we're not far off. In fact RAM can ...
8
votes
2
answers
5k
views
Load Dialog disk access slowdown on Windows 10
TL;DR my hard drive combination is causing load dialogs to take ~6 seconds to load, which is also confirmed via code, and I can't find any relief.
I had Windows 7 for a long time, ignoring 8 entirely....
8
votes
4
answers
47k
views
Why is the Core i5 5300u rated better than the i7 5600u?
I just purchased a new x1 Carbon with all the bells and whistles. I got a Core i7-5600u which I really thought would be the better chipset to get. But now I'm looking at some benchmarks and the i5-...
8
votes
3
answers
15k
views
Increase Outlook 2013 performance?
I feel that Outlook 2013 (compared to Thunderbird) is quite slow at e.g. changing between mail view and calendar view - is there any way to disable e.g. the animation of the transition between mail ...
8
votes
1
answer
620
views
What do different patterns mean in Windows 8 file copy dialog
When copying or extracting files, Windows 8 shows the chart with the speed of the operation.
I noticed several patterns:
Randomness,
High speed at the beginning, then low speed during the most part ...