31 Questions
What is the main focus of HPC (High Performance Computing)?
Delivering high computational performance for scientific/engineering applications
How is HPC infrastructure typically owned and managed?
Organizations own and manage their dedicated HPC infrastructure
What is the main difference between HPC and Cloud Computing?
HPC focuses on high computational performance for specific tasks, while Cloud Computing provides on-demand access to a shared pool of computing resources for general purposes
What are the steps to achieve high performance in HPC?
Increase resources, manage resources, use better algorithms
What is the purpose of DVFS in HPC?
To run at lower frequency to reduce power/energy consumption
Which type of infrastructure is more general-purpose and supports a variety of workloads?
Cloud Computing infrastructure
What technological trend involves the distribution of computational tasks among peer devices rather than relying on centralized cloud servers?
FOG
What is a problem associated with single core processors?
Power consumption proportional to cube of frequency
What does VLSI technology offer in terms of integration density?
High integration density
What kind of technology involves the delivery of computing services over the internet via a renting model?
Cloud Computing
What problem can occur due to sharing resources in a multiprocessor system?
Critical section problems and the need for coherence
What is a problem associated with single core processors' ILP?
ILP by uniprocessor is limited to 8
What method involves manual instrumentation for profiling?
Function and line-based profiling
What kind of processors are flexible, programmable, and provide higher performance than ASIC?
(Multicore having accelerators) Each core is multithreaded
What are ASICs known for?
(ASIC) with high performance and lower power than processor
What is the purpose of DVFS in HPC?
To run at lower frequency to reduce power/energy consumption
What technology involves the distribution of computational tasks among peer devices rather than relying on centralized cloud servers?
Edge Computing
What kind of processors are flexible, programmable, and provide higher performance than ASIC?
FPGAs (Field-Programmable Gate Arrays)
What method involves manual instrumentation for profiling?
Restructuring the program to optimize resources
What does VLSI technology offer in terms of integration density?
Higher integration density compared to ASICs
What problem can occur due to sharing resources in a multiprocessor system?
Contention for shared resources
In HPC systems, what is the purpose of task scheduling with more than 2 processors?
To ensure efficient parallel execution
What problems can arise due to sharing resources in a multiprocessor system?
Critical section problems
What is the typical limit for ILP (Instruction-Level Parallelism) by a uniprocessor?
8
What does VLSI technology offer in terms of integration density?
High integration density
What is the main focus of Cloud Computing?
Delivery of computing services over the internet
What does Fog Computing aim to achieve?
Reducing latency by processing closer to the source of generation
What problem is associated with single core processors' ILP?
Not exploited
What do ASICs offer in terms of performance and power consumption compared to processors?
Higher performance and lower power consumption
What is the main challenge associated with automatically parallelizing sequential code?
"Finding successful auto-parallelisation tools"
What is the primary advantage of multiprocessors over ASICs?
Flexibility and programmability
Explore the fundamentals of HPC, which focuses on delivering high computational performance for scientific and engineering applications using supercomputers or clusters of high-performance servers interconnected by high-speed networks.
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