Questions tagged [performance-tuning]

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Processes on a CPU

How do I monitor/list the processes currently running on a specific CPU core. Basically I'm looking for an output similar to 'top' or 'htop' command but filtered for a specific CPU core id. Or the ...
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3 votes
1 answer
241 views

How to make the Windows GUI draw itself faster

I have a fairly powerful Windows 10 machine with multiple SATA SSDs, Core i7-3770K @3.90 GHz and 32 GB RAM. GPU is a GTX 950 powering three 4K monitors at 200% dpi setting. However, I can basically ...
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1 vote
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Can I tune my Brave browser for GPU-heavy HTML5 any more?

How may I further increase performance of Chromium-based browsers (like Brave I currently use) for heavy HTML5 gaming. Let me define heavy as basically most of the day I run the game together with ...
1 vote
3 answers
1k views

How to temperature throttle my Windows 11 laptop?

How can I temp throttle my laptop? I'm on Windows 11. I want it to be as cool as possible. I don't need performance, either when plugged in or on battery. Are there registry settings or a third ...
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242 views

Put symlink in a slow drive pointing to a NMVE is a good way to speed up docs loading?

Cleaning up things after a MB crash, I got a Samsung NMVE 2 (1TB) drive and did transfered Windows 10 64 bits from a SATA SSD to it (in a 500GB partition), and really helped to load OS and some Apps, ...
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1 answer
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is there a method to benchmark only the filters in an ffmpeg chain, ignoring the encoder operations?

I've found a number of examples of how to use a null muxer to prevent writing the actual output to disk, which saves the disk space and all the time/work to do the writes themselves. I'm interested ...
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2 answers
406 views

Evaluating Specificationa of pagefile.sys (Windows 10, Summary) [closed]

I hope, that this question is not too opinion-based and will try to approach it as neutral as I can. I've read through some sites about this topic, getting a load of contradictory information. ...
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How to improve postgresql query execution time

Problem Statement: we have a Enterprise product with Postgresql db as a backend. one of the tables has 5 columns and respective data type is (bigint time , bigint store_time , varchar category, ...
3 votes
1 answer
4k views

docker in docker without privileged mode

Last time I used docker in docker for runners, but it requires privileged mode compose file: version: '3.7' services: runner: image: gitlab/gitlab-runner:latest volumes: - ./config:/...
1 vote
4 answers
268 views

How to improve performance of my laptop?

I have recently purchased a HP laptop with the below configuration Intel i3 7th generation processor i3 7020U CPU @2.30 GHz 1 TB HDD 4 GB RAM Windows 10 Home Edition 64 bit OS After receiving the ...
3 votes
2 answers
10k views

What does HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\SubSystems\Windows\SharedSection do?

I watched a video on YouTube on how to squeeze performance out of an integrated GPU, with the video instructing to change the above registry key's data from SharedSection=1024,3072,512 to ...
1 vote
0 answers
165 views

Is LightHouse Performance Testing tool Compatible with Electron 1.8.1

I'm trying to do a robust performance test on our Angular Electron app. I heard LightHouse is excellent on Chrome but when I try to use it on Electron it fails with: Browser.getVersion() not found Is ...
0 votes
1 answer
862 views

correct value of maxRequestWorkers

I've set the value of maxRequestWorkers to 4000 in the apache2.conf file. But when i run the apache2buddy perl script the reported value is 150 for maxrequestworkers. How does apache2buddy perl ...
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1 answer
483 views

SQL Server's Maximum Workspace Memory decreases over time - only instance restart to increase it

This is an SQL Server 2016 CU2 instance with 15 GB configured as maximum RAM usage. MDOP is at 4. The databases in this instance are very sporadically queried by users and this is a read-only ...
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2 votes
1 answer
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I have windows xp media edition on my PC and i need to free up space

I have a 80 gb hard drive.Can i delete some system volume information files? Also should i delete program setup files after setup is complete?
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1 answer
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How can I improve Windows Defender's increase of executable startup times?

I have a collection of scripts which call, a couple of thousands times, an external executable. This executable should have a fairly low run time, so this should not a big deal. But it is. In fact, ...
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2 votes
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Why is my ZFS pool spending 97% of its time reading the target and only about 3% writing, on a write operation?

This perplexes me and I don't know a way to drill down into what ZFS is actually doing. I'm using a clean install of FreeNAS 11.1 with a fast ZFS pool (imported mirrors on fast 7200s) plus a ...
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2 votes
1 answer
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How can I track down what is causing my mouse to hang?

I am trying to eliminate a random (and quite frustrating) behavior. At seemingly random intervals my mouse (a corded Razor Mamba) doesn't respond. I have stripped out just about every imaginable ...
2 votes
0 answers
388 views

Run out of virtual memory after added to triple physical RAM and change SQL Server memory option?

Recently, we added some physical RAM to our server which running SQL Server 2008 R2 instance, the total memory was changed from 64GB to 192GB. And we tuned the memory option of SQL Server by changing ...
0 votes
1 answer
530 views

Remove IHS from DIE, why so hard?

I have a CPU that is very cheap, I decided to try to remove the IHS from the DIE to become experienced in tuning. But it is pretty hard. I surrounded the DIE with blades, the glue still hold the IHS ...
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1 answer
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Windows setting to run services faster

I run several server and processing tasks on my computer while I'm away. I found a setting builtin to Windows 10 once to optimize for background programs, not regular applications. For the life of ...
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808 views

VirtualBox - high performance I/O tuning - is it possible?

I'm running workstation that heavily relies on virtualization. I chose VirtualBox because: unlike VMWare it's free and much more portable and maintenance-free (no need to troubleshoot issues with ...
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1 answer
1k views

CPU burst tuning with Windows 10?

I upgraded from Windows 7 to Windows 10 and I'm seeing very short slowdowns/freezes which didn't occur in Windows 7. It seems Windows 10 is using more sophisticated power saving techniques or is more ...
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How to tune Windows 8.1 for having maximum number of TCP connections?

I need to tune my windows 8.1 for a web scraper I am using thousands of threads for concurrent crawling For crawling process, i am using my own written c# HttpWebRequest using crawler However i am ...
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2 answers
13k views

Should I connect a NAS to a router, switch or access point for optimal in- and outbound performance?

I've got a NAS Router (downstairs) Access point (upstairs) Switch (upstairs) Each of these devices is connected with simply CAT.5e gigabit cables. Currently the NAS is connected to the switch, which ...
0 votes
1 answer
157 views

Will increasing physical RAM help in less virtual memory usage and avoid virtual memory bottlenecks in Linux?

In Linux, for a 8GB RAM server, when could we say virtual memory is actually used more? I.e., what is the number of page faults which says system is using more virtual memory?
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How to turn off hyperthreading on hp z230 Win7 32bit

I have a legacy application that when ported to this new HP desktop exhibits performance errors. I need to disable hyper-threading on this desktop. It has an Intel I5-4095 quad core processor. The ...
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6 votes
1 answer
8k views

Adjust linux disk flush intervals to avoid blocking user processes

I'm downloading files on a sd card mounted on a raspberry pi using rtorrent, at around 6MB/s (bandwidth cap). The user process doesn't flush the data itself, and the interval at which the disk cache ...
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Upgrade questions

Hi I just upgraded from i5-3450s with Intel HD 2500 to i7-3770s with Intel HD 4000. I also increased RAM from 8GB to 16GB. I have an HP Omni 27. Windows 7, x64 Direct X Version is 11.0, Shader ...
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2 answers
123 views

Degraded performance on using external disk

I am fairly new to MacOS, been using Ubutnu from beginning, i was forced to switch to MacBook for work reason. My issue is that when i plug in my 2TB WD passport hard disk, macbook sort of dies....
2 votes
0 answers
1k views

Speed over VPN is 10x slower than connection to VPN or VPN<=>Destination

I'm trying to setup VPN for my own use. I have noticed very strange issue with speeds which I struggle to understand. Question: What is causing slow download speed from AWSFrankfurt when using VPN? ...
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4 votes
1 answer
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Undervolting with Intel' XTU - which offset should you reduce?

It is a pretty basic question, but I could not find an answer to this via Google. The value you are supposed to adjust is the "voltage offset". However, there are two kinds of values in the utility ...
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2 answers
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Adding too many plugins/extensions to a browser, affect browsing speed?

I am using extensions added from the official websites like https://addons.mozilla.org/en-us/firefox/extensions/ , https://chrome.google.com/webstore. If the answer is Yes, is there any way to find ...
1 vote
1 answer
151 views

Control of CPU performance, possibly P-state, for TV recording

The problem: I am trying to record TV using a Toshiba Satellite Pro (2GHz, dual core, 4GB RAM, 250GB SSD, W7/32 SP1, PCTV 292e USB receiver, Argus TV recording s/w), but am having recording dropouts, ...
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4 votes
2 answers
4k views

What TCP / network tuning should be performed in Windows 7 for best internet performance without reasonable risk of causing issues?

I'm wondering what network / tcp tuning should be done in Windows 7 to ensure best performance (yet without reasonable risk of causing issues). Here's what I have so far (the below commands get run ...
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1 answer
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Does System Utilities Slow Down My Pc Rather than Speeding It Up?

Is it correct that PC System Utilities are fake; they just slow down your PC rather than speed it up? Can I trust PC System Utilities like System Mechanic, WinOptimizer, Advanced SystemCare PRO, ...
2 votes
1 answer
2k views

LibreOffice Calc performance tuning

I have 350 thousand rows in a LibreOffice Calc table (it's a 35 meg CSV file). I only need to view it, not edit it. Yet, it is very slow at scrolling, filtering, and selecting the cells. What can I ...
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2 answers
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Win7: Is there some trick to speed up display a folder's content or the right click menu?

I'm using Windows 7 SP1, now whenever I click on a folder, the File Explorer takes quite some time to display the content inside; also when I right click on a file, the menu also comes quite slow. ...
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8 votes
1 answer
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Localhost tcp throughput performance differences

I have been using psping for measuring bandwith statistics on localhost on different computers: laptops, home computers and servers. All of them get to between 100 and 200 MB/s but my PowerPc at work ...
0 votes
1 answer
170 views

The relationship between commit charge, standby lists and available physical memory?

Saw this thread but I believe it does not fully answer my question so here goes. I am on Windows 8 Enterprise, 4 Gb RAM on board, pagefile enabled. I am looking at my performance indicators and I see ...
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2 answers
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Is software like tune up utilities essential?

Is software like tune up utilities necessary? Can't we perform the tasks using some other free ware tools and built in windows tools?
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2 answers
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What happens if use different ram chips?

I have an Asus M4A785TD-V EVO Motherboard. Considering this, What happens if I plugin 2 ram chips of different frequency and different latancies? Do both work independently at their respective configs ...
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1 answer
4k views

How to set permament TCP Windows Size in Windows XP

I'm checking real throughput of my network using iperf/jperf. Test with speedtest.net shows 25/10 - but jperf shows only 5. So I change in jperf the TCP Window Size into 256K - and now jperf shows ...
3 votes
0 answers
126 views

Utilizing the full power of my workstation

I am not a gamer. Used to be, 10+ years ago. My workstation is strictly for business: Quickbooks Excel Access General Business QuickBooks is tied to a synchronization engine that is synchronizing, ...
0 votes
2 answers
900 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 ...
0 votes
1 answer
116 views

Split database index and table files with SSD?

I know in the good old days it was recommended that indexs and tables were placed on different drives to improve database performance. Is this still the case with SSDs when connected with SATA3? With ...
0 votes
3 answers
219 views

How to configure Windows 7 for high responsiveness 24 hours a day?

When Windows 7 operating systems is used one a production line, then it has to be configured appopriately. We do not want various services interfering with the software that has to be working with ...
0 votes
1 answer
398 views

IntelliJ Idea for non-Java development

I want to use IntelliJ IDEA for its support of numerous languages other than Java (I can't imagine that I'll ever be doing Java at my current job -- and if I had to, I would just backup settings). I ...
31 votes
6 answers
3k views

Programs minimized for long time takes long time to "wake up"

I'm working in Photoshop CS6 and multiple browsers a lot. I'm not using them all at once, so sometimes some applications are minimized to taskbar for hours or days. The problem is, when I try to ...
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how to compare installed programms on one pc with other performance issues

I have 2 laptops, both run Windows 7,identical configuration. One of them how ever is running extremely slow it takes a very long time to start up and shutdown and also if I need to run a programm it ...