Optimizing Boxing And Unboxing
We explain the full cost of a box operation at the IL level including heap allocation, memory zeroing, type descriptor initialization, and reference placement on the stack. The lesson identifies non-generic collection classes in System.Collections as a primary source of hidden boxing in real-world code.
Previous Module
A Crash Course In Intermediate Language
This Module
Basic Performance Optimizations
Optimizing Boxing And Unboxing
Collection And Data Classes To Avoid
Demo: Benchmarking Boxing And Unboxing
String and StringBuilder Performance (part 1)
String and StringBuilder Performance (part 2)
Demo: Benchmarking String versus StringBuilder
List and Array Performance
Pre-sizing Lists
Demo: Benchmarking Lists and Arrays
Demo: Lists and Arrays in Intermediate Language