Building the Fastest .NET Object Mapper

📰 Dev.to · Arijeet Ganguli

Learn how to build the fastest .NET object mapper using compiled expression trees and cycle analysis, outperforming popular libraries like Mapster and AutoMapper

advanced Published 31 Mar 2026
Action Steps
  1. Build a custom object mapper using compiled expression trees to improve performance
  2. Implement cycle analysis to handle complex object graphs
  3. Compare the performance of your custom mapper with popular libraries like Mapster and AutoMapper
  4. Optimize your mapper using benchmarking tools to identify bottlenecks
  5. Apply your custom mapper to real-world scenarios to measure its impact on application performance
Who Needs to Know This

Software engineers and developers working with .NET can benefit from this knowledge to optimize their object mapping performance, while technical leads and architects can use this to inform their technology stack decisions

Key Insight

💡 Compiled expression trees and cycle analysis can be used to build a custom object mapper that outperforms popular libraries like Mapster and AutoMapper

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🚀 Build the fastest .NET object mapper with compiled expression trees and cycle analysis! 💻

Key Takeaways

Learn how to build the fastest .NET object mapper using compiled expression trees and cycle analysis, outperforming popular libraries like Mapster and AutoMapper

Full Article

How compiled expression trees and cycle analysis beat Mapster, AutoMapper, and hand-tuned...
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