Current hypothesis: The sweet spot for transactions will be Intel-style TSX with speculative execution of atomic blocks and lone atomic instructions, making them free in the no-contention case. All else will be a software problem.https://twitter.com/timsweeneyepic/status/996269325378973696 …
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Unity & Overwatch both seem to be getting good results from using an Entity Component System architecture. Elimination of global state, separation of code & data, clearly defined inputs & outputs. Would be a challenge to move Unreal to this model, and might limit flexibility...
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ECS is fast, but is primarily suited for particle-system-like constructs rather than ordinary gameplay code, in which updates an entity can freely read and write anything in the scene in an atomic, isolated, consistent, and durable way.
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