Questions tagged [performance]

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

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Precision 5540 NVMe drive benchmark a lot lower than expected

hope someone can help me figure this out. Just got Precision 5540 laptop and found that drives perform slower than my older laptop. Here are the details: Comparing Precision 5540 and 5520 running ...
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State of execution of a stored procedure

Currently I have an application in VB.NET that is responsible for inserting / updating a huge amount of "clients" registry; an excel / dbf file is required with the data to be processed and converted ...
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Performing load testing using J meter [on hold]

I am doing performance testing for E commerce site. I want to checkout with Credit card. I able to checkout using Jmeter but I am not getting different transaction ID for the orders which was placed ...
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Does disabled hyperthreading double the performance on single thread?

I have processor with 4 cores (Intel Core I5-8250U @ 1.6 GHz)* and hyperthreading makes it 8 logical processors. I use a program that does some heavy calculation* in a single thread. When I look up ...
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Different android version perfermance on low spec device [on hold]

I have an old mobild device 16G rom ,2G ram and cpu is 8core mtk . I want to install a linux in this mobile. Now I need choose a base rom, the official support is only to android 6.0 . But there are ...
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Windows Server 2019 Evaluation Removing Speed-Limits

I have a Windows Server 2019 Evaluation version. I'm trying to remove a outgoing/upload speed limits which is driving me crazy. Xampp (Apache2) as file transfer the speed is 250-320 kbps. FTP (...
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Will My Motherboard and CPU Support Newer RAM?

So I'm looking at getting this (https://www.newegg.com/corsair-16gb-288-pin-ddr4-sdram/p/N82E16820236426?Item=N82E16820236426) RAM and I wanna know beforehand if it will be compatible with my CPU and ...
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25 views

What could be a reson for getting JMeter Response: 500 this page has been expired?

I have recorded a simple script for login-logout into an application using a browser. I checked the recorded script and everything looks good, it recorded login in, homepage and logout. However, ...
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Monitor performance/latency while copying file across Point 2 point circuit

This is my first post here, i did do a quick search couldn't find exactly what i was looking for. I am copying a file from one server located in NW part of the country to another server located in ...
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Big performance drop on own program [migrated]

I am not sure that this right site Stack Exchange. Tell me which one if it's wrong. I have my own program (C#, WinForms) and two computers with CPUs: Intel Core i5-2320, 3200 MHz (Windows 7) Intel ...
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22 views

Performance issue in a system with better configuration

I am running one line code on my laptop which is taking around 45 minutes whereas same line of code on same dataset is taking less than 2 minutes on another laptop. Below are the configuration of my ...
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Database performance, tps & IOPS [migrated]

We have a Java application that uses a MariaDB database that is dedicated to this application. The application needs to insert 1 million records within 5mins so ideally we would like the database to ...
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44 views

Is memory latency still a key factor in computer speed?

A search on the real-world benefit of low latency RAM seems to yield very old testing done on equally old hardware. Is CAS latency essentially irrelevant now against other performance characteristics ...
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Performance when using encrypted external drive on raspi 3b+

I read here that the speed for an encrypted external drive on the pi is about 3MB/s. Is there a way to increase this by using a different cipher for dm-crypt/luks or tweak it in some other way?
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How to make CURL as fast as chrome

I tried downloading a 210MB video file (from google servers) using chrome and curl. While chrome downloaded the file at almost 10 megabytes per second, curl was much slower at about 200 kilobytes per ...
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Micro stutter in-game when using multiple displays

I've been all over the web lately trying to find a solution to a particularly annoying problem I've been having. This isn't an isolated issue, and many forums have very similar questions without any ...
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Balance interrupts with irqbalance

I got irqbalance enabled in my rhel8 server and I got following results in /proc/interrupts while testing for tcp latency with qperf CPU0 CPU1 CPU2 CPU3 26: 15840985 ...
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Windows Defender Real time protection slowing down MSMScript control based .Net exe

I have had this .Net exe ( using MSScriptcontrol to run VB Scripts) working fine on Windows 10 Ent and previous versions for almost 20 years. Last week, I noticed that it slowed down. I checked Task ...
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Laptop with better specs slower than PC

I have a PC and laptop with the following specs: PC: CPU: i5-6500 (3.20-3.60 GHz, 4 cores) GPU: GTX 1050 2gb RAM: 16gb Games installed on HDD Laptop (Dell XPS 15 9570): CPU: i7-8750H (2.20-4.1 ...
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48 views

Are desktop CPU and a laptop CPU comparable?

I'd like to host a small server at home to use it as a router, file server, Docker containers host, TV box and so on, I'm looking for the cheapest option. I have found some very cheap used desktop ...
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Resolving missing path for system diagnostic

I am trying to run a system diagnostic in windows performance monitor. When trying to start the diagnostics, I receive the following error. "When attempting to start the Data Collector Set, the ...
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CPU Usage Static at 42% - Intel core i7 (Quad Core)

I have a HP dv5t 2100 CTO laptop with Intel core i7 (quad core) / 8GB RAM. Recently I've noticed that the maximum CPU usage it attains is fixed at 42% - I mean it does not go beyond that come what ...
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Does DDR memory need to run at its rated speed?

I understand under certain circumstances a CPU and memory may need to be matched on speed to ensure there is not something like a 'wasted cycle' in waiting for a component to respond. I have heard of ...
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Windows 10 power slider: What exactly does it do, and how to change it?

The first part of the question would be what exactly each of these settings does. For the power plans, I am able to check and set each of the plans own settings (like max CPU clock, usage, time till ...
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Very high disk usage due to reading from CbsPersist…log

My personal laptop is Windows 7, Dell, 8 CPU Cores and 8GB of RAM. It operates very slowly, especially when launching software, and I think especially when starting up (but not only). Looking at ...
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Horrible VM performance on HDD

Currently I'm noticing a horrible performance when I put my VM's on my internal HDD. The HDD is split into 3 Partitions (D:, E:, F:) and have a maxiumum capacity of 500GB by 7200rpm. File copy from ...
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maxquant software on my HPDC does not seem to utilize the speed of my m.2 raid drives

I am using a software called MaxQuant v. 1.6.6 to analyze proteiomic data. The computer in question has the following specs: gigabyte x299 motherboard i9-7980 chip (18 core, 36 logical, 2.6 GHz, runs ...
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Why wget wall clock time much higher than download time?

wget --page-requisites --span-hosts --convert-links --adjust-extension --execute robots=off --user-agent Mozilla --random-wait https://www.invisionapp.com/inside-design/essential-steps-designing-...
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89 views

CPU speed much lower than base speed

My computer has been slow for quite a while now even while performing basic tasks such as web browsing (to the point where simply typing into a search bar can take several seconds before the computer ...
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Why is 'wget --page-requisites' extremely slow when compared to a real browser request?

My goal is to download a single webpage to be fully functional offline in the same time it takes a browser to request and show the page. But that doesn’t seem to be happening with the command I am ...
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Issue with TTFB and unable to determine why?

I’m having a severe issue with TTFB and I’m completely unable to determine what is causing the issue. I’ve checked for long running MySQL queries and I’ve optimized the site as best I can - but I’m ...
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6answers
194 views

Laptop gets impossibly unresponsive in afternoon

In the mornings when the laptop is first switched on, everything works fine. But by the end of the working day the laptop is unbearably unresponsive. For example, when typing into MSWord in the ...
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GeForce GTX 1050 Ti works slower than GeForce 730 GT

My nephew bought a new GeForce GTX 1050 Ti graphics card instead of his old GeForce 730 GT. It appears that games are actually running slower on 1050 (~10-15 FPS) than on 730 (~30 FPS). The card was ...
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How to force an .exe file to run with a set processor affinity? [duplicate]

OS: Windows 10 CPU: Intel I7-5820 3.30 GHz (Hyperthreaded Hexacore) Game: Red Alert 2 Mental Omega Mod So I'm playing Red Alert 2 Mental Omega and every time I launch the game, it launches with ...
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Pros & Cons of throttling CPU [closed]

So my laptop's CPU has this turbo boost thing, and it heats up the machine to an uncomfortable degree. So I've used cpufrequtils to keep my CPU at only 1.4GHz, and it hasn't felt any slower and it's ...
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Does my Antimalware slow my computer down even when my CPU usage is under 100%?

I'm working on a Windows 10 Virtual Machine and I am having performance issues. A major cause of my problems seems to be the Antimalware Service Executable. Occasionally it hogs my CPU and spikes my ...
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34 views

VirtualBox Disk Encryption vs. Ubuntu VM Disk Encryption

I am creating a VirtualBox VM that runs Ubuntu and I would like to have the virtual disk encrypted. Are there performance and/or security advantages to using the VirtualBox Disk Encryption over ...
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Gitlab, Scala Sbt jobs take ages

I am looking for some advice. We have a Self managed Gitlab CE with around 20 projects. I am trying to configure the CI for one Scala Sbt multi module project but the jobs are too slow; the first one ...
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Rstudio runs too slow

When I'm running the command data <- read.csv(choose.files()) It takes 5 mins long to open the browser window and the same thing takes a split second in default Rgui I have tried restarting ...
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SQL server slows down fast

I have large C# application doing heavy I/O on our SQL 2008 R2 server. It's been running fine, but I've had to make some changes in the application, which has made the I/O load even heavier. The ...
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Photoshop Gets Laggy as Layers Increase

I recently upgraded my PC from an Core i3 to a Ryzen 5 1600 and everything have got smoother but Photoshop! It got worst. In a blank page everything is fine but as I increase the layers it goes ...
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379 views

Should I use n only, b only, bg, bgn, or gn?

I have a choice between n only, b only, bg, bgn, and gn on my 2.4 GHz wifi and I would like to know which one would be the fastest for me.
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Low performance with dual Xeon

I searched quite a lot about my problem, found people with similar issues but I couldn't find a solution. I recently bought an HP Z600 to a professional seller on eBay. It is equipped with 2 Xeon ...
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Mounting large remote directory using SSHFS

I have a large remote directory with 600GB of content, that is split over 6 million MP3 files, without any sub directories. Will the large number of files under a single directory, cause any ...
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Insanely slow USB harddisks on Linux in 2019

We use a simple backup system at work: Every day we connect an external USB harddisk to our Ubuntu Linux server, which then calls a backup script (cronjob) at night to perform all the backup. Next day ...
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Extremely slow speeds when tethering via usb

I finished building my new gaming PC today. Since my phone's (Galaxy S9) internet is usually much faster than my house's internet, I tethered it to my new computer. However, I'm experiencing much, ...
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672 views

Windows 10 - Slow winlogon boot phase on SSD

According to Windows Performance Recorder, my Winlogon phase is taking 290 seconds to complete: This thread suggests that it is a HDD bottleneck, but my OS is installed on a 240 GB SSD from Kingston. ...
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27 views

Are cloud servers globaly faster then dedicated servers?

I have read in many blog post, for instance here, that cloud servers are slightly slower then dedicated servers because they have to go through more layers: Dedicated Servers are most preferable ...
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AWS RDS Postgres instance on SSD very slow compared to dedicated server instance with HDD

We are trying to migrate our PostgreSQL installation (which runs on a dedicated server with mechanical hard disks) to a AWS RDS PostgreSQL instance with SSD. We migrated our schemas, data etc. and ...
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High invisible RAM usage

I have read through a number of threads on this site and run into dead ends which I will attempt to summarize. The problem: For the last few months I have noticed a very high based RAM usage on my ...