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Performance comparison of JSON parsing libraries in Go shows ByteDance's Sonic delivers 5x faster unmarshaling and 20-36% faster marshaling compared to the standard library, while the experimental JSON v2 offers 2x faster unmarshaling with minimal code changes. Sonic excels in high-throughput scenarios but uses significantly more memory, making JSON v2 a balanced middle ground for teams wanting performance improvements without external dependencies.

go-benchmarks/json at b647c45272c7dc371fd4337cb3b6546356d967d1 · centralci/go-benchmarks

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JSON benchmarks (encoding/json, json/v2, bytedance/sonic)

<p>JSON benchmarks (encoding/json, json/v2, bytedance/sonic)</p>

<p>good benchmarks, thanks for sharing</p>
