“I don't know how far the process has run.” These things happen often. When that happens, the thing to check is the Console window. Last time, I explained Debug.Log, Debug.LogWarning, Debug.LogError, ...

Compared with System.Text.Json, protobuf-net, MessagePack for C#, Orleans.Serialization. Measured by .NET 7 / Ryzen 9 5950X machine. These serializers have IBufferWriter<byte> method, serialized using ...