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

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7 views

Does keeping pc in sleep mode for long time affects it in anyway? [duplicate]

I keep my laptop in sleep mode and sometimes I forget to switch off when going to sleep and it stays like that most of the time. So is it a bad practice like can it affect the performance of the ...
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0answers
17 views

What programs are most affected by slow write speeds?

I'm specifically referring to "power user" programs that will be slowed significantly or crash as a result of slow write speeds. I will most likely make use of Serato DJ, Adobe Illustrator, XCode, ...
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2answers
197 views

Single thread performance increase in overclocking?

If CPU "BlaBla" has a single thread benchmark score of 2,500 at 4 GHz, how much would that single thread score increase if we overclocked it 50% (making it 6 GHz)? I assume this has to make sense. A ...
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1answer
285 views

Clean Windows 10 installation shows bad IOPS on Samsung 830 SSD

I just did a clean installation of Windows 10 Pro (fully patched) which was running Windows 8.1 Pro before. I have applied all settings suggested by Samsung Magician and got the following benchmark ...
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0answers
45 views

Hard drive usage very high all the time

I have a problem with very high hard drive usage. Computer of my colleague (Sony VAIO) was working very slowly, it had Windows 10 Technical Preview, so I had to reinstall system. I installed Windows 8 ...
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0answers
70 views

2 Separate servers running Windows Server 2012-R2 are suddenly very slow

Alright, so this problem has me stumped. We occasionally provide remote assistance to some of our customers, most often using Team Viewer. Yesterday morning, one of our customers reported that our ...
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1answer
79 views

Can two SSDs run slower than one?

I'm planning to buy a new SSD to add to my current config so that I can finally stop barely squeezing one game at a time on the same SSD as my OS (currently I have a 120GB one) and it got me wondering ...
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1answer
175 views

Slow file browsing of offline files, Windows 10

I am using Windows 10 and just setup Offline Files for 3 folders I'm currently working from (28 sub-folders, 550 files, 185MiB). I prefer working from local copies of the files for performance reasons ...
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1answer
156 views

Asus Laptop - Works but is VERY SLOW

I have a fairly new ASUS laptop computer. It's a Cheap Walmart model, but it worked fine for a while. One day, for no apparent reason, it began working very slow. It does work but it takes about ...
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0answers
48 views

What does “losing a second of transactions” mean in MySQL?

Setup: Homeserver with Owncloud using MySQL as database. Problem: I/O on server HDD slows sync down to several days per 70k small files. Solution: ...or at least a workaround that I found is to ...
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1answer
230 views

Slow transfer speeds over wifi to NAS?

I'm running win 10 (10576), using a realtek RTL8811AU 802.11ac usb wifi stick, and connecting to my network over an airport extreme wifi also running 802.11ac. Attached via ethernet cable to the AP ...
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0answers
42 views

How to tell how much swap a Windows process actually uses?

In Windows 8.1 x64, I'm running a VBox machine that is configued to use 5200MB RAM. The host OS has 16GB of RAM, however often the other open programs add up and fill up the memory. My theory is that ...
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0answers
129 views

Slow Speeds over Wi-Fi

I have cable Internet that averages about 35 MB/sec down and 7MB/sec up, but been having intermittent Wi-Fi problems for several months now. I’ve changed my router a couple times to no avail. I’m ...
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1answer
663 views

What does “I/O Reads or Writes” and “I/O Read Bytes or Write Bytes” mean?

In Task Manager (and Sysinternals' Process Explorer) there are columns called "I/O Reads", "I/O Writes", "I/O Read Bytes" and "I/O Write Bytes". So what do these counters mean exactly? What else, ...
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1answer
129 views

Games lag when charger disconnected [duplicate]

I recently bought a Lenovo Z51-70 which has 5yh Gen i7 and 8GB RAM with 4GB AMD Tropo X2 Graphics. With this configuration it should play almost every high end game but it only happens when I connect ...
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3answers
75 views

I do simple edits to large 2-D images (Windows 10, 64-bit with Windows Paint). Will a graphics card speed things up?

Task I frequently make very basic and simple edits to largish 2-D images (say 800MB). Problem Things get jerky when I move chunks of the picture (even small ones) around. Question I currently ...
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1answer
50 views

Special defrag options to place boot files in special order (for fastest boot)?

How can I defrag an HDD of a Windows OS in such a manner that the boot files which Windows loads are placed sequentially each one after another to get the fastest boot time? (incl. drivers etc) Which ...
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1answer
58 views

Desktop performance issues

I have a desktop tech specs Core i5 / 12 GB RAM / HD Seagate Barracuda ST500DM002 500GB 7200 RPM 16MB The problem that my PC simply freezes or slow downs during of compilation code/... or whenever ...
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1answer
138 views

Is SATA III 6 GB/s a bottleneck to i7 4th Gen Laptop processor

Should I consider upgrading my Sata 2.5" inch SSD from SATA to Nvme m2 SSD.I have a 512 GB Samsung EVO 850 (I get around 450 MBps read / 350 MBps write). Now that the new Samsung PRO 950(2.5 GBps read ...
3
votes
3answers
366 views

Extremely slow internet (huge lag), how do I diagnose it?

The problem My usually decent 5 Mbps home connection has been extremely slow for the past few days, with all pages I visit taking much longer than usual, some taking more than 30 or 50 seconds to ...
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0answers
24 views

Is NBTI CPU aging, and how does it affect a PC under normal conditions?

There was a question here on SU, if a CPU can age: Is the performance of a CPU affected as it ages? the answer in short No I read a newspaper article (unfortunately in German) referencing a research ...
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0answers
55 views

Homedir via NFS: How to improve performance?

I would like to improve the login speed on my NFS clients. Just logging in via lightdm and starting KDE takes approx 35 seconds. Could be somewhat faster, no? One option would be to improve NFS ...
1
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1answer
64 views

Memory is full, but by whom?

Today when I turned on my PC and logged in Windows (8.1), I noticed the HDD's LED is on persistently (without blinking) and the Windows is unbelievably slow and is lagging tortuously! I opened the ...
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1answer
40 views

Windows 7 software raid 1 performance questions?

Recently my hard drive died, and I lost all my files and I am really sad. Right now I am making a software 1 raid between my 2250MBps/1850MBps Pcie 3 8x SSD, and my 1TB 170MBps/170MBps hard drive. ...
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3answers
46 views

Can I increase app performance by purposefully fragmenting its data on the hard drive?

Some popular apps and games have very many files that are not frequently used in normal operation, so there are large distances over which the hard drive needs to leap over to get to the next bits it ...
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1answer
2k views

Windows 10 extremely slow after one of the latest updates

A collegaue and I experience that our laptops have become extremely slow after one of the latest Windows 10 updates. Everything we do seems to stall a bit: Search in Visual Studio solution, open a ...
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0answers
123 views

Will using the dedicated graphics card improve performance?

I have a HP 1000-1205TX Notebook PC which has a Intel® Core™ i3-2328M Processor and AMD Radeon HD 7450M (1 GB DDR3 dedicated) graphics card. The processor also has integrated graphics. I am running ...
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0answers
154 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 ...
1
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1answer
152 views

UEFI CSM / legacy performance

Are there any known performance problems of "legacy" Operating Systems (Windows 7, for example) running on UEFI with CSM? Lately, I've seen quite a few brand-new computers by different OEMs that have ...
0
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1answer
447 views

Does RAM latency/timing affect motherboard compatibility?

When shopping, it's common for RAM manufacturers to list the frequency, timings, and voltage that RAM has been tested to run stable at. For example, the Corsair Vengeance LPX CMK32GX4M4B3000C15 has ...
0
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1answer
27 views

How much Is important the distance between sending request position and server position? [closed]

I have a website, usually the users of my website are from Iran. Now I want to know, buying a VPS from a near country is important? For example: Is it better to I buy a VPS from Digitalocean or OVH ...
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2answers
1k views

Would it improve the write performance to fill a reformatted drive with zeros?

I have a 2 TB drive which was filled to >99%. I’ve delete the partitions with fidsk and formatted them with mkfs.ext4. So as far as I know, the actual data which was on the drive does still ...
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1answer
532 views

Abnormally high memory usage on Windows 10

I finished building my first computer and I've had this problem for about 2 months now. I first noticed the high memory usage when I tried playing GTA V. I have 8GB of RAM. I would launch GTA V ...
0
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1answer
79 views

Win10 (and 8.1) boot performance mysteriously sluggish

I upgraded to 10 from 8.1 recently (and 7 before that). On login, I let a bunch of programs I need autostart and go into the systray: procexp (for monitoring), chat clients, tools like super-f4 and ...
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1answer
34 views

Is there any relationship between un-allocated disk space and speed in Windows?

In my computer I only allocated half of my hard disk space for usage; other space remains un-allocated. I wonder: will this decrease or improve my CPU performance? My assumption was if I provide ...
2
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1answer
178 views

Network transfer speed very slow using nc (netcat) over Wi-fi LAN

Anybody could have a hint why my home Wi-fi transfer using nc is so slow? What I've got: 1) Xubuntu machine with Atheros: $ lspci | grep -i wireless 03:00.0 Network controller: Qualcomm Atheros ...
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0answers
20 views

Does Windows-7 with only SSD and 32GB memory perform faster with or without Pagefile? [duplicate]

In Control Panel > System > Sys Props.. > Perf Options > Virtual mem: My Windows-7 Pro 64-bit has Pagefile on automatic and size is 24MB. Will Windows-7 perform faster with Pagefile unchecked? I'm ...
0
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1answer
160 views

Monitoring Run queue for AIX in NMON

I need to know about Run Queue in AIX and how to find the bottleneck of Run queue. what is the threshold value for Run Queue length. Kindly guide me on this.
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0answers
23 views

Single Hypervisor storage deduplication using a filer VM : performances

I'm looking forward to use a dedicated server as an hypervisor using VMware ESXi, and I would like to find a way to have storage deduplication and save some disk space. The idea would be to create a ...
2
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2answers
83 views

Performing PowerShell analog of *nix grep <multiple files by mask>

Is there a way to optimize PowerShell code below (it greps particular lines by string contained from a bunch of text files into a single one): $ErrorActionPreference = "Continue" Start-Transcript ...
10
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5answers
6k 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 ...
0
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1answer
38 views

Resolution to a very slow network

For some reason I have a very slow network (~10kbps over a 100mbps network). It only happens in office hours which leads me to believe that someone is bottlenecking the network. I need to find out who ...
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0answers
99 views

Eclipse Mars slows down Windows 7 interface

On a two pretty modern PCs I recently started to experience a strange problem. When I run Eclipse Mars, the Windows 7 GUI suddenly slows down, i.e. scrolling in Chrome, dragging the windows etc. I'd ...
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0answers
406 views

High Memory usage in Windows 10

I cannot figure out whats been just eating up my RAM lately. I tried looking with poolmon. It shows that the highest usage is Proc. So after searching for a possible driver issue. findstr /s Proc . I ...
0
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1answer
914 views

Windows 10 task manager CPU clock speed exceeds displayed maximum clock speed?

So in the windows task manager, in the performance tab, there's data concerning current clock speed and beside it is stated "maximum speed". Maximum speed is stated 2.00 GHz, which is correct as per ...
3
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0answers
196 views

Ridiculously slow read/write between two SSDs (Linux)

So I have a Kingston SSD (120Gb HyperX 3K; SH103S3/120G) that is about two years old and just picked up a new Kingston SSD (240GB SSDNow V300; SV300S37A/240G) to go along with it. I’m trying to ...
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0answers
46 views

Browsers Causing CPU Thrashing

Whether I use Chrome or IE my CPU starts to go crazy. I'm not sure what kind of web content causes this. Streaming? I have a fresh install of Windows 7 x64 and I'm using IE 11 and Chrome ...
4
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2answers
938 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 ...
0
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1answer
37 views

If I get a second SSD will there be a performance change by moving the operating system?

I have my OS on an SSD with a HDD storage drive as a secondary. I've had the SSD for about half a year now, and it is starting to get full. If I get a second SSD will there be a performance boost ...
2
votes
1answer
14k views

Are 6th-Generation Intel Processors Slower Than 4th-Generation?

I'm looking at building a computer for my brother. Back when I built my own I used a 4th-gen CPU. My thinking is "well he should obviously have the latest generation because they say they're always ...