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High Performance Computing

•
•
D
Divyen Patel

HPC stands for high performance computing and refers to systems that provide more computing power than is generally available. HPC bridges the gap between what small organizations can afford and what supercomputers provide. HPC uses clusters of commodity hardware and parallel processing techniques to increase processing speed and efficiency while reducing costs. Key applications of HPC include geographic information systems, bioinformatics, weather forecasting, and online transaction processing.

Technology
1 of 25
High Performance Computing Authors : Manas Ranjan Sahu, Divyen Patel [ AES Institute of Computer Studies ] 26 / FEB / 2005
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Topics
Computing Performance Introduction to HPC High To achieve more Than the normal Operational ability in terms of throughput Actual Operation or execution of An algorithm In simple term HPC is a computing system that provides more computing performance, power or resources than is generally available.
[object Object],[object Object],[object Object],[object Object],[object Object],Why HPC ?
How HPC ? Super Computer HPC Cluster made up to cheap workstations = Performance > Cost
[object Object],[object Object],How HPC ?
[object Object],[object Object],[object Object],Goals of HPC
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Applications of HPC
[object Object],[object Object],[object Object],[object Object],HPC Architecture
[object Object],[object Object],[object Object],[object Object],Shared Memory Systems CPU CPU CPU Cache Cache Cache Main Memory
[object Object],Shared Memory Systems Ability to apply Instruction set to CPU at once rather than single instruction at a time. Specially designed memory that is filled and passed along a vector instruction pipeline and returning results much faster than traditional scalar processors.
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Distributed Memory Systems
[object Object],Distributed Memory Systems
[object Object],[object Object],[object Object],Distributed Memory Systems
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Distributed Memory Systems
Hybrid Systems Distributed Memory Architecture Shared Memory Architecture + Non-Uniform Memory Access (NUMA) is an example of Hybrid System
[object Object],[object Object],[object Object],[object Object],Why Hybrid Systems ?
[object Object],[object Object],[object Object],Hybrid Model CPU CPU CPU Cache Cache Cache Memory Memory Memory Controller Controller Controller
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],HPC Programming Concepts
[object Object],[object Object],[object Object],HPC Software
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],HPC Software – Data Parallelism
[object Object],[object Object],[object Object],[object Object],HPC Software – Message Passing Human programmers can almost always write faster and more efficient parallel programs than automatic compilers can generate.
[object Object],[object Object],[object Object],[object Object],HPC Software – Message Passing
[object Object],[object Object],Conclusion
Thank You

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High Performance Computing

  • 1. High Performance Computing Authors : Manas Ranjan Sahu, Divyen Patel [ AES Institute of Computer Studies ] 26 / FEB / 2005
  • 2.
  • 3. Computing Performance Introduction to HPC High To achieve more Than the normal Operational ability in terms of throughput Actual Operation or execution of An algorithm In simple term HPC is a computing system that provides more computing performance, power or resources than is generally available.
  • 4.
  • 5. How HPC ? Super Computer HPC Cluster made up to cheap workstations = Performance > Cost
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  • 16. Hybrid Systems Distributed Memory Architecture Shared Memory Architecture + Non-Uniform Memory Access (NUMA) is an example of Hybrid System
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