Computing NLTE Opacities -- Node Level Parallel Calculation

Technical Report · Fri Sep 11 00:00:00 EDT 2015

DOI:https://doi.org/10.2172/1214615· OSTI ID:1214615

Holladay, Daniel ^[1]

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1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Presentation. The goal: to produce a robust library capable of computing reasonably accurate opacities inline with the assumption of LTE relaxed (non-LTE). Near term: demonstrate acceleration of non-LTE opacity computation. Far term (if funded): connect to application codes with in-line capability and compute opacities. Study science problems. Use efficient algorithms that expose many levels of parallelism and utilize good memory access patterns for use on advanced architectures. Portability to multiple types of hardware including multicore processors, manycore processors such as KNL, GPUs, etc. Easily coupled to radiation hydrodynamics and thermal radiative transfer codes.

• Research Organization: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: AC52-06NA25396
• OSTI ID: 1214615
• Report Number(s): LA-UR-15-27097
• Country of Publication: United States
• Language: English

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