How To Move Bytes Around

Name: How To Move Bytes Around
Start: 2026-01-31T15:10:00
End: 2026-01-31T15:10:00
Location: H.1301 (Cornil)

H.1301 (Cornil) | Day 2 | 15:10 - 15:50 | Speakers: Alexey Milovidov

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Abstract

If you take a random program and start profiling it, you'll usually find that the memcpy function is at the top. However, this doesn't necessarily mean memcpy is slow. The most hopeless thing a C++/Rust developer can do (while no one is watching) is optimize memcpy to move bytes faster. That's exactly what we'll do.

Speakers

Alexey Milovidov

Alexey Milovidov is co-founder and CTO of ClickHouse, Inc. Alexey has 17 years of experience designing, developing, and operating data-intensive applications. He started work on ClickHouse in 2009 and initiated its release in open source in 2016. Before ClickHouse, he created the data processing engine of the world's 2nd largest web analytics system. His area of interest is data processing algorithms and technologies.

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