FlatBuffers vs Protocol Buffer

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  • Protobuf

    Protocol Buffers - Google's data interchange format

  • Protobuf undoubtedly has much better support and has already been widely adopted. Performance is a relative factor. You may check protobuf benchmark or do benchmark youself.

  • FlatBuffers

    FlatBuffers: Memory Efficient Serialization Library

  • However, protobuf generally has better support. (Recent grpc versions seem to have broken FB support, unfortunately)

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NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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