A Workbench for Analytical and Simulation Based Design Space Exploration of Software Defined Radios

Kempf, Torsten; Wallentowitz, Stefan; Ascheid, Gerd; Leupers, Rainer; Meyr, H.

doi:10.1109/vlsi.design.2009.24

Cited by 4 publications

(3 citation statements)

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“…the execution time of all tasks in a critical path CP is strictly latency bound. This latencycritical case is discussed in depth by Kempf et al in [11].…”

Section: A Deterministic Approachmentioning

confidence: 91%

Analytical Design Space Exploration Based on Statistically Refined Runtime and Logic Estimation for Software Defined Radios

Ihmig

Feilen

Herkersdorf

2012

2012 15th Euromicro Conference on Digital System Design

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The exploration of the design space for complex hardware-software systems requires accurate models for the system components, which are often not available in early design phases, resulting in error-prone resource estimations. For a HW-SW system with a finite set of design points, we present an analytical approach to evaluate the quality of a distinctive design point choice. Our approach enables the designer to gain a measure for statistical confidence whether an application with realtime requirements can be successfully implemented on a chosen set of processors and reconfigurable logic. By a statistical evaluation of runtime, latency, logic resources and memory requirements, a probability metric for each realization alternative in the system is derived, that gives a realization probability for different mappings and different combinations of chips. We apply our principles to an FPGA/DSP digital radio receiver system and evaluate the realization probabilities for a different combination of chip sizes and mappings. Finally, we compare our approach against conventional estimation techniques, such as worst-case evaluation.

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“…the execution time of all tasks in a critical path CP is strictly latency bound. This latencycritical case is discussed in depth by Kempf et al in [11].…”

Section: A Deterministic Approachmentioning

confidence: 91%

Analytical Design Space Exploration Based on Statistically Refined Runtime and Logic Estimation for Software Defined Radios

Ihmig

Feilen

Herkersdorf

2012

2012 15th Euromicro Conference on Digital System Design

View full text Add to dashboard Cite

show abstract

“…These models are typically based on rather coarse-grained estimates of the required operations and the underlying hardware architecture features. The Time Retrieval Engine (TRE) [267] can be utilized to ensure a smooth transition from the analytical implementation model to the abstract simulation model.…”

Section: Annotation Principle Of Execution Characteristicsmentioning

confidence: 99%

“…The analytical model considers each task execution behavior as a random variable X(task, PE) with a probability density function (pdf). At simulation time a single value Δt(task, PE) equal to the number of consumed cycles is generated by the use of the TimeRetrieval-Engine [267] (Fig. 7.4).…”

Section: Statistical Annotation Modelmentioning

confidence: 99%