MemoryPack | Zero encoding extreme performance binary serializer for C | Serialization library
kandi X-RAY | MemoryPack Summary
kandi X-RAY | MemoryPack Summary
Zero encoding extreme performance binary serializer for C# and Unity. Compared with System.Text.Json, protobuf-net, MessagePack for C#, Orleans.Serialization. Measured by .NET 7 / Ryzen 9 5950X machine. These serializers have IBufferWriter method, serialized using ArrayBufferWriter and reused to avoid measure buffer copy. For standard objects, MemoryPack is x10 faster and x2 ~ x5 faster than other binary serializers. For struct array, MemoryPack is even more powerful, with speeds up to x50 ~ x200 greater than other serializers. MemoryPack is my 4th serializer, previously I've created well known serializers, ~~ZeroFormatter~~, ~~Utf8Json~~, MessagePack for C#. The reason for MemoryPack's speed is due to its C#-specific, C#-optimized binary format and a well tuned implementation based on my past experience. It is also a completely new design utilizing .NET 7 and C# 11 and the Incremental Source Generator (.NET Standard 2.1 (.NET 5, 6) and there is also Unity support). Other serializers perform many encoding operations such as VarInt encoding, tag, string, etc. MemoryPack format uses a zero-encoding design that copies as much C# memory as possible. Zero-encoding is similar to FlatBuffers, but it doesn't need a special type, MemoryPack's serialization target is POCO. Other than performance, MemoryPack has these features.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of MemoryPack
MemoryPack Key Features
MemoryPack Examples and Code Snippets
Community Discussions
Trending Discussions on Serialization
QUESTION
I am trying to find a simple and efficient way to (de)serialize enums in Scala 3 using circe.
Consider the following example:
...ANSWER
Answered 2022-Jan-23 at 21:34In Scala 3 you can use Mirrors to do the derivation directly:
QUESTION
Java's ArrayList uses custom serialization and explicitly writes the size. Nevertheless, size is not marked in ArrayList as transient. Why is size written two times: once via defaultWriteObject and again vis writeInt(size) as shown below (writeObject method)?
ANSWER
Answered 2022-Mar-14 at 21:59It exists solely for compatibility with old java versions.
detailsIf you take a look at the comment above s.writeInt(size), you can see that this is supposed to be the capacity. In previous java versions, the serialized form of ArrayList had a size and a capacity.
Both of them represent actual properties of an ArrayList. The size represents the number of items in the ArrayList while the capacity refers to the number of of possible items (length of the array) in it without the array needing to be recreated.
If you take a look at readObject, you can see that the capacity is ignored:
QUESTION
I have a problem with Object-Oriented Project Hangman - serialization part. I saved my code in serialize method, but when I try to unserialize it, I have a problem with it. I see all components of classes in the YAML file and when I try to reach them with code, I can't do it. I don't know where the problem is. Here is my serialize method and deserialize method.
...ANSWER
Answered 2022-Feb-20 at 14:15I think it's actually working fine.
YAML.load returns an different instance of Game. You can call methods on that instance, but you don't have any access to the properties.
QUESTION
I've attached the boost sample serialization code below. I see that they create an output archive and then write the class to the output archive. Then later, they create an input archive and read from the input archive into a new class instance. My question is, how does the input archive know which output archive its reading data from? For example, say I have multiple output archives. How does the input archive that is created know which output archive to read from? I'm not understanding how this is working. Thanks for your help!
...ANSWER
Answered 2022-Feb-13 at 16:00Like others said, you can set up a stream from existing content. That can be from memory (say istringstream) or from a file (say ifstream).
All that matters is what content you stream from. Here's you first example modified to save 10 different streams, which can be read back in any order, or not at all:
QUESTION
I have one call that return different objects name, in this case, each name is the hash of your wallet address, but I would like to treat them indifferently because all that matters is the data that is inside them, using a standard converter like Gson I am not able to do this, is there any way to do it manually?
...ANSWER
Answered 2022-Jan-25 at 12:34As I understand your question, this is less to do with retrofit and more with JSON parsing. Because the payload structure is a bit awkward I suggest you consume it in two steps:
- step 1. Consume the
contentsuccess,cache_last_updatedandtotal - step 2. Add the
id
QUESTION
I have the following code which exports an object to an XML file, then reads it back in and prints it on the Information stream.
...ANSWER
Answered 2021-Dec-30 at 22:40The CliXml serializer is exposed via the [PSSerializer] class:
QUESTION
Is there a way to generate a nested JavaScript Object from entries?
Object.fromEntries() doesn't quite do it since it doesn't do nested objects.
ANSWER
Answered 2021-Dec-03 at 17:50I think I found a way using lodash:
QUESTION
I have an enum that I'd like to deserialize from JSON using kotlinx.serialization while ignoring unknown values. This is the enum
...ANSWER
Answered 2021-Sep-24 at 12:41For now I think that the only way would be to use coerceInputValues option with default value of enum field to be null like in this example:
QUESTION
I am using SharpSerializer to serialize/deserialize object.
I want the ability to ignore specific properties when deserializing.
SharpSerializer has an option to ignore properties by attribute or by classes and property name:
...ANSWER
Answered 2021-Nov-10 at 17:43You are correct that SharpSerializer does not implement ignoring of property values when deserializing. This can be verified from the reference source for ObjectFactory.fillProperties(object obj, IEnumerable properties):
QUESTION
I have a manytomany relation mapped with a custom table to add an extra column. I can deserialize it, but deserialized it shows the elements of the join table, I would to just the joined element. So what I currently get is the following:
...ANSWER
Answered 2021-Aug-18 at 01:35It seems like you would like an array of numbers being returned to the client.
You could create a getter that returns the array of ids and turn the other relationship as not serializable via annotations.
The fact that you only need one of the ids might be an indication of non ideal mapping in the database.
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Install MemoryPack
Define a struct or class to be serialized and annotate it with the [MemoryPackable] attribute and the partial keyword. Serialization code is generated by the C# source generator feature which implements the IMemoryPackable<T> interface. In Visual Studio you can check a generated code by using a shortcut Ctrl+K, R on the class name and select *.MemoryPackFormatter.g.cs. Call MemoryPackSerializer.Serialize<T>/Deserialize<T> to serialize/deserialize an object instance. Serialize method supports a return type of byte[] as well as it can serialize to IBufferWriter<byte> or Stream. Deserialize method supports ReadOnlySpan<byte>, ReadOnlySequence<byte> and Stream. And there are alse non-generics versions.
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