Rapid deployment of a Monte Carlo simulation system using diskless remote boot in Linux in a PACS environment

Yuan-Jen Chang; Yan-Lin Liu; Cheng-Ting Shih; Shu-Jun Chang; Jay Wu

doi:10.1117/12.2007731

29 March 2013 Rapid deployment of a Monte Carlo simulation system using diskless remote boot in Linux in a PACS environment

Yuan-Jen Chang, Yan-Lin Liu, Cheng-Ting Shih, Shu-Jun Chang, Jay Wu

Author Affiliations +

Proceedings Volume 8674, Medical Imaging 2013: Advanced PACS-based Imaging Informatics and Therapeutic Applications; 86740T (2013) https://doi.org/10.1117/12.2007731
Event: SPIE Medical Imaging, 2013, Lake Buena Vista (Orlando Area), Florida, United States

Abstract

The Monte Carlo (MC) technique has been widely used as the gold standard for interaction of radiation with matter in the fields of medical physics, radiation therapy, and nuclear medicine. However, MC simulation is time consuming and requires a lot of computational resources. Generally, a dedicated high performance computing cluster is use to improve efficiency, but it is costly and lacks of the ability to run routine errands in healthcare facilities. In this study, we proposed a method for rapid deployment of computing platform for MC simulation in the PACS environment using review workstations as computing nodes. The workstations were booted from the network and initialed a RAM disk as the boot sector. The simplified Linux operating system and the Monte Carlo N-Particle Transport Code Version 5 (MCNP5) were transferred from the DRBL (Diskless Remote Boot in Linux) server to each node automatically. The cluster computing environment can be established within four minutes. We compared a commercially available dedicated cluster with the DRBL cluster. The results showed that the commercial cluster had a slightly higher acceleration factor than the DRBL cluster. The simulation time of the commercial and the DRBL clusters for 2×10⁸ particle histories was 37,151 and 40,021 sec, respectively. When the number of rendezvous increased to 20, the maximum time differences between both clusters were 95 and 85 sec for the megabit and the gigabit switches. We conclude that the DRBL cluster can be quickly deployed to the non-workloaded review workstations in the PACS. Thus, the MC technique could be broadly used to enhance the research capability of radiological sciences in healthcare facilities.

Citation Download Citation

Yuan-Jen Chang, Yan-Lin Liu, Cheng-Ting Shih, Shu-Jun Chang, and Jay Wu "Rapid deployment of a Monte Carlo simulation system using diskless remote boot in Linux in a PACS environment", Proc. SPIE 8674, Medical Imaging 2013: Advanced PACS-based Imaging Informatics and Therapeutic Applications, 86740T (29 March 2013); https://doi.org/10.1117/12.2007731

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