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PAVEMENT/PIO Parallel I/O System for Massively Parallel Processors

Front-end Machine. MPP (Massively Parallel Processor). （ Multiprocessor ）. Automatic/Dynamic Load Balancing among Parallel Conenections. Utilizing Multiple I/O Processors on MPP. Commodity Network Media for High Cost/Performance. PAVEMENT/PIO

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PAVEMENT/PIO Parallel I/O System for Massively Parallel Processors

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  1. Front-end Machine MPP (Massively Parallel Processor) （Multiprocessor） Automatic/Dynamic Load Balancing among Parallel Conenections Utilizing Multiple I/O Processors on MPP Commodity Network Media for High Cost/Performance PAVEMENT/PIO Parallel I/O System for Massively Parallel Processors PAVEMENT/PIO provides a flexible, self load balanced and high cost/performance parallel input/output environment which enrolls surrounding front-end machines to any style of massively parallel processing system. API of PAVEMENT/PIO is very simple and easy-to-program for end user applications which require high throughput I/O interactions with file servers, visualization servers and/or other outer environments for the next generation HPC platforms. Scalability for # of connections Effect of Dynamic Load Balancing

  2. Onyx2 (Visualizer) thread read module Data Buffer (shared memory) AVS/Express binder Massively Parallel Processor CP-PACS (2048 PUs, 128 IOUs) Parallel Visualization Server SGI Onyx2 (4 Processors) 8 links … Alpha Cluster … Switching HUB HYADES (16 Nodes) … … Parallel 100Base-TX Ethernet Parallel File Server SGI Origin-2000 (8 Processors) PAVEMENT/VIZ Parallel Visualization Environment for Large Amount Data • PAVEMENT/VIZ is a parallelized visualization system on shared memory front-end graphic workstation, which coordinates with MPP to visualize large amount of numerical output based on PAVEMENT/PIO. • Multi-threaded parallel visualization software engines like parallel volume rendering module provide high speed visualization environment. • PAVEMENT/VIZ is implemented based on AVS/Express for high portability and flexibility. Experimental Environment of PAVEMENT (Parallel I/O and Visualization Environment)

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