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GTC ON-DEMAND

Accelerated Data Science
Presentation
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Breaking the Speed of Interconnect with Compression for Database Applications
Abstract:

Learn strategies for efficiently employing various cascaded compression algorithms on the GPU. Many database input fields are amenable to compression since they have repeating or gradually increasing pattern, such as dates and quantities. Fast implementations of decompression algorithms such as RLE-Delta will be presented. By utilizing compression, we can achieve 10 times greater effective read bandwidth than the interconnect allows for raw data transfers. However, I/O bottlenecks still play a big role in the overall performance and data has to be moved efficiently in and out of the GPU to ensure optimal decompression rate. After a deep dive into the implementation, we'll show a real-world example of how BlazingDB leverages these compression strategies to accelerate database operations.

 
Topics:
Accelerated Data Science, AI Startup, Algorithms & Numerical Techniques
Type:
Talk
Event:
GTC Silicon Valley
Year:
2018
Session ID:
S8417
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