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Merge pull request #17 from LLNL/release/v1.2.4
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Release v1.2.4
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ajkunen authored Jun 14, 2019
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KRIPKE
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v1.2.4 - Release on June 14, 2019

Kripke is a simple, scalable, 3D Sn deterministic particle transport code. Its primary purpose is to research how data layout, programming paradigms and architectures effect the implementation and performance of Sn transport. A main goal of Kripke is investigating how different data-layouts affect instruction, thread and task level parallelism, and what the implications are on overall solver performance.

Kripke supports storage of angular fluxes (Psi) using all six striding orders (or "nestings") of Directions (D), Groups (G), and Zones (Z), and provides computational kernels specifically written for each of these nestings. Most Sn transport codes are designed around one of these nestings, which is an inflexibility that leads to software engineering compromises when porting to new architectures and programming paradigms.
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