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Luca Lombardo

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Latest posts

How Is Compression Prediction?

When does lossless compression reduce to prediction, and what must already be fixed before that equivalence applies?

Who Owns the Memory? Part 3: How Big Is your Type?

Type layout, fat pointers, and the cost of polymorphism.

Who Owns the Memory? Part 2: Who Calls Free?

Destructors, RAII, and the ownership question.

Who Owns the Memory? Part 1: What is an Object?

Effective types, storage duration, and aliasing rules in C, C++, and Rust.

Cache-Friendly, Low-Memory Lanczos Algorithm in Rust

How a bit of algorithm engineering and low-level details can alter what seems like a straightforward trade-off on a blackboard.

Engineering a fixed-width bit-packed Integer Vector in Rust

Design and implementation of a memory-efficient, fixed-width bit-packed integer vector in Rust, with extremely fast random access.