large data visualization on distributed memory multi-gpu clusters

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Large Data Visualization on Distributed Memory Multi-GPU Clusters Thomas Fogal, Hank Childs, Siddharth Shankar, Jens Krüger, R. Daniel Bergeron, Philip Hatcher

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Large Data Visualization on Distributed Memory Multi-GPU Clusters. Thomas Fogal , Hank Childs, Siddharth Shankar, Jens Krüger, R. Daniel Bergeron, Philip Hatcher. Parallel Volume Rendering. Volume Rendering Scalability. Need lots of cores to render at acceptable speeds. - PowerPoint PPT Presentation

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Page 1: Large Data Visualization on Distributed Memory Multi-GPU Clusters

Large Data Visualization on Distributed Memory Multi-GPU Clusters

Thomas Fogal, Hank Childs, Siddharth Shankar, Jens Krüger, R. Daniel Bergeron, Philip Hatcher

Page 2: Large Data Visualization on Distributed Memory Multi-GPU Clusters

Parallel Volume Rendering

Page 3: Large Data Visualization on Distributed Memory Multi-GPU Clusters

• Need lots of cores to render at acceptable speeds

Volume Rendering Scalability

• Figure: Howison, Bethel, Childs, MPI-hybrid Parallelism for Volume Rendering on Large, Multi-core Systems, EGPGV 2010

Page 4: Large Data Visualization on Distributed Memory Multi-GPU Clusters

Longhorn

Page 5: Large Data Visualization on Distributed Memory Multi-GPU Clusters

Performance

Page 6: Large Data Visualization on Distributed Memory Multi-GPU Clusters

Brick Size NVIDIA Quadro FX 5800's

Page 7: Large Data Visualization on Distributed Memory Multi-GPU Clusters

Dynamic Load Balancing

Page 8: Large Data Visualization on Distributed Memory Multi-GPU Clusters

Load Balancing

Page 9: Large Data Visualization on Distributed Memory Multi-GPU Clusters

• "Adaptive mesh refinement" data

• some spatial regions have higher-resolution

• coarse/fine boundaries: sampling

• uneven load distribution

Future Work - AMR

Page 10: Large Data Visualization on Distributed Memory Multi-GPU Clusters

• Funding

• VACET

• CIBC

• C-SAFE

• MMCI (Saarland University)

• Resources

• TACC

• ORNL

• Open source communities: GLEW, Mesa, VisIt

• Anonymous reviewers

• You!

Thanks

Page 11: Large Data Visualization on Distributed Memory Multi-GPU Clusters

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