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SC Conference - Activity Details
Multicore Computers Can Protect Your Bones: Rendering the Computerized Diagnosis of Osteoporosis a Routine Clinical Practice
Authors:
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Costas Bekas
(IBM Research)
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Alessandro Curioni
(IBM Research)
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Ralph Mueller
(ETH Zürich)
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Posters Session
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Tuesday, 05:15PM - 07:00PM
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Room Oregon Ballroom Lobby
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Abstract:
Coupling recent imaging capabilities with microstructural finite element analysis offers a powerful tool to determine bone stiffness and strength. It shows high potential to improve individual fracture risk prediction, a tool much needed in the diagnosis and treatment of Osteoporosis that is, according to the World Health Organization, second only to cardiovascular disease as a leading health care problem. We present a high performance computational framework that aims to render the computerized diagnosis of Osteoporosis an everyday, routine clinical practice. In our setting the CAT scanner is fitted with a high performance multicore computing system. Images from the scanner are fed into the computational model and several load conditions are simulated in a matter of minutes. Low time to solution is achieved by means of a novel mixed precision iterative refinement linear solver together with low memory consumption preconditioners. The result is an accurate strength profile of the bone.
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