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Show HN: Apache Fory Rust – 10-20x faster serialization than JSON/Protobuf

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Found: October 28, 2025
ID: 2146

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Show HN: Apache Fory Rust – 10-20x faster serialization than JSON/Protobuf Serialization framework with some interesting numbers: 10-20x faster on nested objects than json/protobuf.

  Technical approach: compile-time codegen (no reflection), compact binary protocol with meta-packing, little-endian layout optimized for modern CPUs.

  Unique features that other fast serializers don't have:
  - Cross-language without IDL files (Rust ↔ Python/Java/Go)
  - Trait object serialization (Box<dyn Trait>)
  - Automatic circular reference handling
  - Schema evolution without coordination

  Happy to discuss design trade-offs.

  Benchmarks: https://fory.apache.org/docs/benchmarks/rust

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