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- Deb, Abhijit Kumar, et al.
(författare)
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System design for DSP applications in transaction level modeling paradigm
- 2004
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Ingår i: 41st Design Automation Conference, Proceedings 2004. - New York, NY, USA : ACM. - 1581138288 ; , s. 466-471
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Konferensbidrag (refereegranskat)abstract
- In this paper, we systematically define three transaction level models (TLMs), which reside at different levels of abstraction between the functional and the implementation model of a DSP system. We also show a unique language support to build the TLMs. Our results show that the abstract TLMs can be built and simulated much faster than the implementation model at the expense of a reasonable amount of simulation accuracy.
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- Deb, Abhijit Kumar, et al.
(författare)
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System design for DSP applications using the MASIC methodology
- 2004
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Ingår i: DESIGN, AUTOMATION AND TEST IN EUROPE CONFERENCE AND EXHIBITION, VOLS 1 AND 2, PROCEEDINGS. - LOS ALAMITOS : IEEE COMPUTER SOC. - 0769520855 ; , s. 630-635
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Konferensbidrag (refereegranskat)abstract
- Expensive top-down iterations are often required in the design cycle of complex DSP systems. In this paper, we introduce two levels of abstraction in the design flow by, systematically categorizing the architectural decisions. As a result, the top-down iteration loop is broken. We also present a technique to capture and inject the architectural decisions such that the system models can be created and simulated efficiently. The concepts are illustrated by a realistic speech processing example, which is implemented using the AMBA on-chip architecture. Our methodology offers a smooth path from the functional modeling phase to the implementation level, facilitates the reuse of HW and SW components, and enjoys existing tool support at the backend.
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- Ellervee, Peeter, et al.
(författare)
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Exploring ASIC Design Space at System Level with a Neural Network Estimator
- 1994
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Ingår i: Proc. of IEEE ASIC-conference, 1994.
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Konferensbidrag (refereegranskat)abstract
- Estimators are critical tools in doing architectural level exploration of the design space. We present a novel approach to estimation based on the multilayer perceptron which builds the estimation function during the learning process and thus allows to describe arbitrary complex functions. We also describe how the control data flow graph is encoded for the neural network input and we present results of the first experiments made with realistic design examples.
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- Hemani, Ahmed, et al.
(författare)
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High-level synthesis of control and memory intensive communication systems
- 1995
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Ingår i: ; , s. 185-191
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Konferensbidrag (refereegranskat)abstract
- Communication sub-systems that deal with switching, routing and protocol implementation often have their functionality dominated by control logic and interaction with memory. Synthesis of such Control and Memory Intensive Systems (hereafter abbreviated to CMISTs) poses demands that in the past have not been met satisfactorily by general purpose high-level synthesis (HLS) tools and have led to several research efforts to address these demands. In this paper we: characterise CMISTs from the synthesis viewpoint; present a synthesis methodology adapted for CMISTs; present the Operation and Maintenance (OAM) Protocol of the ATM, its modelling in VHDL and synthesis aspects of the VHDL model; present the results of applying the synthesis methodology to the OAM as a test case-the results are compared to that obtained using the not adapted general purpose High-level synthesis tool; prove the efficacy of the proposed synthesis methodology by applying it to an industrial design and comparing our results to the results from two commercial HLS tools and to the results obtained by designing manually at register-transfer level
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