Vladimir Ozerov created IGNITE-1421:
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Summary: .Net: Optimize writes of ultra-dense structures.
Key: IGNITE-1421
URL: https://issues.apache.org/jira/browse/IGNITE-1421
Project: Ignite
Issue Type: Task
Components: interop
Affects Versions: 1.1.4
Reporter: Vladimir Ozerov
Fix For: ignite-1.5
There is a case when we can dramatically increase marshal/unmarshal performance:
1) Type is a structure;
2) It contains only integer/float/double primitive types with well-defined;
memory layout which is consistent with our serialization protocol;
3) We are sure that there are no gaps in it's memory layout.
4) User writes it as "marshal-aware" and fields write order is consistent with
memory layout.
In this case we can copy the whole structure into our stream with a single
memcpy() operation. And we can read it from the stream as easy as [pointer
dereference + position shift] (provided that target is on the stack).
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