Why is reflection slow?
Read OriginalThis technical article investigates the performance overhead of reflection in .NET. It analyzes the CLR type system's design, which prioritized other factors over reflection speed, and details the internal 'hot'/'cold' data structures (MethodTable, EEClass). The post walks through the complex call stack of a reflection invocation and explains the costs of fetching metadata (FieldInfo/MethodInfo) before method execution.
0 comments
Comments
No comments yet
Be the first to share your thoughts!
Browser Extension
Get instant access to AllDevBlogs from your browser
Top of the Week
1
2
Using Browser Apis In React Practical Guide
Jivbcoop
•
2 votes
3
Better react-hook-form Smart Form Components
Maarten Hus
•
2 votes
4
Top picks — 2026 January
Paweł Grzybek
•
1 votes
5
In Praise of –dry-run
Henrik Warne
•
1 votes
6
Deep Learning is Powerful Because It Makes Hard Things Easy - Reflections 10 Years On
Ferenc Huszár
•
1 votes
7
Vibe coding your first iOS app
William Denniss
•
1 votes
8
AGI, ASI, A*I – Do we have all we need to get there?
John D. Cook
•
1 votes
9
Quoting Thariq Shihipar
Simon Willison
•
1 votes
10
Dew Drop – January 15, 2026 (#4583)
Alvin Ashcraft
•
1 votes