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The simdjson library
Highlights - Fast: Over 4x faster than RapidJSON and 25x faster than JSON for Modern C++. - Easy: First-class, easy to use and carefully documented APIs.
The simdjson library uses commonly available SIMD instructions and microparallel algorithms to break speed records. Peer Reviewed: Our research appears in venues like VLDB Journal, Software: Practice and Experience. Widely used: Used by ClickHouse, Microsoft, Shopify, Intel, Apache Doris, Dgraph, StarRocks, Meta Velox, Google Pax, WatermelonDB, the Node.js runtime, and many others.
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