Performance and Diagnostics

Platform Health & Diagnostics Tools

Deep Dive Analysis: Why did this dll increase in file size by 50%?

We recently noticed that one of the dlls that we produce had suddenly jumped up in file size. The WinUI Controls library, Microsoft.UI.Xaml.Controls.dll that ships as part of Windows App SDK had ballooned in size in our internal builds. It had suddenly grown from 7 MB to 10.5 MB - approximately a 50% increase in size. What had happened to ...

SizeBench: a new tool for analyzing Windows binary size

A new tool called SizeBench has been released to the Microsoft Store, which helps with understanding binary size on Windows. This static analysis tool can break down a binary in many ways, and has heuristic analyses to look for likely sources of waste, and this blog post goes on a tour of what the tool can do.