Windows

New Windows feature available in KB5094126.

The lock screen isn’t just a pretty picture — it’s also an extra step before you can enter your password or PIN.

Starting with Windows 8, you have to press any key or click the mouse to move past the lock screen. In some cases, this can even slow things down — for example, after waking the system from sleep.

Basically the base (not turbo boosted) CPU Frequency is amount of TSC Increments per one second.

This code will read latency and throughput of the CPU instructions (Draft)

This code will read memory at different sizes and measure bandwidth

The easiest way to print integer and floating-point values from Assembly Code to the Console

llvm-mca is a performance analysis tool to statically measure the performance of machine code in a specific CPU.

Two trivial commands in Power Shell - Get-Disk and Get-Volume

Sometimes we need to check MD5 or SHA256 checksums for downloaded files. An easiest way:

certutil -hashfile <FILE> MD5

or with PowerShell:

Get-FileHash <FILE> -Algorithm SHA256

In attempt to install winget on Windowss 11 LTSC as recommended by Microsoft I’ve got error message. Below the simple workaround

Recently upgraded CPU in my ancient laptop from i7-4800MQ to i7-4940MX, which is Extreme Edition, and need legacy Intel Extreme Tuning Utility, version XTUSetup 6.5.1.360 is compatible.

Today I noticed that my computer was slower than usual. A brief investigation revealed that PowerLauncher.exe was causing other running MSI installers to fail when setting up shortcuts.

In some cases we need to have dedicated Drive in absence of the physical Drive. In this case we can add drive mapped to the Folder. Typically this could be done using SUBST command, but there is more convenient way.

Sometimes you need to prevent Windows updates and following restarts of the PC (for example during long endurance test while PC Stays connected to Internet). An easiest way to do this - is just set Metered Connection to public interface

Some useful variables like %PROGRAMFILES% or %USERPROFILE%, which I often forgot.