Gunnar Morling • 1/1/2024

The One Billion Row Challenge

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The One Billion Row Challenge (1BRC) is a Java programming competition running in January 2024. Participants must write the fastest Java program to read a text file with one billion temperature measurements, calculate min, mean, and max per weather station, and output the results. The challenge encourages exploring modern Java features like virtual threads, the Vector API, and AOT compilation for extreme performance optimization.

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#performance #optimization #benchmarking
The One Billion Row Challenge

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