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- W3136766348 abstract "Radiation Treatment Planning (RTP) is the process of planning the appropriate external beam radiotherapy to combat cancer in human patients. RTP is a complex and compute-intensive task, which often takes a long time (several hours) to compute. Reducing this time allows for higher productivity at clinics and more sophisticated treatment planning, which can materialize in better treatments. The state-of-the-art in medical facilities uses general-purpose processors (CPUs) to perform many steps in the RTP process. In this paper, we explore the use of accelerators to reduce RTP calculating time. We focus on the step that calculates the dose using the Graphics Processing Unit (GPU), which we believe is an excellent candidate for this computation type. Next, we create a highly optimized implementation for a custom Sparse Matrix-Vector Multiplication (SpMV) that operates on numerical formats unavailable in state-of-the-art SpMV libraries (e.g., Ginkgo and cuSPARSE). We show that our implementation is several times faster than the baseline (up-to 4x) and has a higher operational intensity than similar (but different) versions such as Ginkgo and cuSPARSE." @default.
- W3136766348 created "2021-03-29" @default.
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- W3136766348 date "2021-03-17" @default.
- W3136766348 modified "2023-09-27" @default.
- W3136766348 title "Accelerating Radiation Therapy Dose Calculation with Nvidia GPUs" @default.
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- W3136766348 doi "https://doi.org/10.48550/arxiv.2103.09683" @default.
- W3136766348 hasPublicationYear "2021" @default.
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