超並列計算機のための並列可視化システム(筑波大:板倉憲一)

rccp.tsukuba.ac.jp

超並列計算機のための並列可視化システム(筑波大:板倉憲一)

u MPP WS– – u CP-PACS – SGI Onyx2, Origin2000


Ethernet (10Mbps)GraphicWorkstationOnyx2Front-end HostComputerFCSHIPPI(800Mbps)Massively ParallelProcessorCP-PACSu u u


u u GUIu u MVE


SGI Origin2000 8Proc.Switching HUBCP-PACS2048PU 128IOU8SGI Onyx2 4Proc.8100Base-TXEthernet


MVE (Modular Visualization Environment)u– – – – AVS/ExpressKhoros Iris Explorer…u GUIAVS/Express


u GUI– u – u – u – u


PIOu …– 16– u PIO– – –


AVS/Express u AVS/Express u AVS/Express u u AVS/Express u Binder)u Binder


AVS/ExpressCP-PACSThreadOnyx2BinderData Buffer(shared memory)AVS/Express


AVS/ExpressCP-PACSThreadOnyx2BinderData Buffer(shared memory)AVS/Express


u AVS/Expressu Onyx2u – 0.1sec0.1sec30seccontourisosurfacevolume rendering


u u Onyx2 or CP-PACS ?Onyx2 CP-PACSAVS/Express Onyx2AVS/ExpressAVS/Express1


u VoxelScreen– – Volume DataRayu #0 Thread#1 Thread#2 Thread#3 Thread#0 Thread– #1 Thread– Screen


AVS/Expressu – – – u – Spatial Data Structure (8 ) – Shading Lookup Tableu Cpthread


AVS/Express ReadModule


# AVS field file#ndim = 3dim1 = 16dim2 = 16dim3 = 16nspace = 3veclen = 1data = bytefield = uniformreceiver = /home/COMP/fellow/itakura/work/VIZ/AVS/MD/md-p3.sh#!/bin/sh/home/COMP/fellow/itakura/pio/run-20000630/piosrc/MD/receiver pilot3 &rsubmit


Remote Read Field raw data


1. 2. 0.1 1.0 3. 1/44. 5. 6. 7.


AVS/Express


u – 3– 2u – 128128128 – 512512 – Onyx2 (4CPU, 250MHz)Origin2000 (8CPU, 195MHz)


Rendering Time (Library) ()2520151050O2KOnyx21 2 3 4 5 6 7 8


Rendering Time (Library)9876543210O2KOnyx2Liner1 2 3 4 5 6 7 8


AVS/Expressu AVS/Expressu – u – – 3128128128 60 – 512512 – Onyx2 (4CPU, 250MHz)Origin2000 (8CPU, 195MHz)


Rendering Time (AVS module)9008007006005004003002001000Parallel (O2K)Parallel (Onyx2)AVS (Onyx2)1 2 3 4 5 6 7 8


Rendering Time (AVS module)9876543210O2KOnyx2Liner1 2 3 4 5 6 7 8


PIOu – CP-PACS256PU– binderAVS/Express – u – (16K)161616 20 – 512512 – Origin2000 (8CPU, 195MHz)


Rendering Time (AVS module + PIO)9080706050403020100Visualization TimeRendering OnlyAVS1 2 3 4 5 6 7 8


Rendering Time (AVS module + PIO)AVS ( )1 2 3 4 5 6 7 8 0.8 0.7 0.8 0.8 0.8 0.8 0.8 0.8 1.1 27.6 13.9 9.4 7.2 5.8 4.9 4.3 4.0 16.5 18.3 17.3 18.1 18.1 18.1 18.1 17.9 81.6 44.1 32.2 26.7 25.3 24.0 23.0 22.4 21.9 82.4 44.8 33.0 27.5 26.0 24.8 23.8 23.2 23.0[]X119


CP-PACS 2048PU 128IOU+16 channels+Origin2000 8CPUReal-Time VisualizationReionization of the Universe


u – – – AVS/Expressu – PIO TCP/IP– AVS/Express


u – AVS5tracer AVS/Express Uviewer KGT – Parallel VR tracer I/F u tracer pthread

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