Nathan Carstens
		Massachusetts Institute of Technology

		Efficient Parallelization of the Monte Carlo N Particle (MCNP) K-code Calculation; Next Generation Nuclear Reactor Design
	Abstract Deterministic nuclear reactor design codes can no longer be easily used to design intricate next generation reactors. Monte Carlo based codes are rapidly replacing deterministic codes with the Monte Carlo N Particle (MCNP) code dominant in this category. Unfortunately, MCNP k-code calculations currently require significant amounts of communication during parallel calculation, fundamentally limiting massively parallel computation. This poster will present an algorithm and modifications to the MCNPX code that greatly minimize k-code communication in parallel. It is hoped that by allowing massively parallel MCNP k-code calculations, significant new nuclear reactor design problems can be addressed in the near future. Nathan Carstens

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