High Level Synthesis: from Algorithm to Digital Circuit- P17 docx
High Level Synthesis: from Algorithm to Digital Circuit- P17 docx
... model). This fully automated step, based on commercial logicsynthesis tools like ISE from Xilinx and Quartus from Altera, produces a library oftime characterized operators to be used during the ... step the operators have to be sized according to the operations whichhave been assigned on. In order to get correct computing results, the width of theoperator inputs/outputs have to be greater ... an available operator with a candidate operation has to respond to the minimization of interconnections (steering logic) between operators and to the minimization of the operator’s size. Given...
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High Level Synthesis: from Algorithm to Digital Circuit- P1 docx
... Recherchephilippe.coussy@univ-ubs.frFranceLaboratoire Lab-STICCde Bretagne - UBSCover illustration: Cover design by Martine Piazza, Adam Morawiec and Philippe CoussyEditors High- Level Synthesis From Algorithm to Digital CircuitPhilippe ... models and tools for design. Today, there are several offersin high- level synthesis tools that provide effective solutions in silicon. Moreover,some of the technical roadblocks to high- level synthesis ... systems as compared to integrated circuits.The potentials of high- level synthesis relate to leaving implementation details to the design algorithms and tools, including the ability to determine the...
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High Level Synthesis: from Algorithm to Digital Circuit- P21 docx
... a constraint given to the data-path synthesistools. More often, data-path synthesis tools enter into procrastination algorithms to obey the frequency constraint and lead to unacceptable circuits. ... filters.11.1 IntroductionThe aim of this chapter is to provide some insight into the process of synthesis-ing digital signal processing circuits from high- level specifications. As a result,the material ... basic blocks (new and old historics are different) with the worst-historic,suppressing it from G and then restarting the loop. The pseudo-topological-sortused in the algorithm labels the nodes...
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High Level Synthesis: from Algorithm to Digital Circuit- P22 docx
... and scaling parameters from the inputs of each atomic operation to its outputs. Table 11.2 summarizes the word-length and scaling propagation rulesfor the different atomic operations. The superscript ... we havemanaged to transform a non-linear time-invariant system into a linear time-varyingsystem. This linearity allows us to predict the error at the output of the system due to any scaling ... prior to simulation where theappropriate signals for monitoring the derivatives have been inserted.208 C S. Bouganis and G.A. ConstantinidesThe method starts from determining the scaling vector...
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High Level Synthesis: from Algorithm to Digital Circuit- P24 docx
... Derrien et al.There is an important trend in commercial high- level synthesis tools to performhardware synthesis from C programs: CatapultC (Mentor Graphics), Pico (Syn-fora) [30], Cynthesizer (Forte ... presented in Sect. 12.4.12.3 The MMAlpha Front-End: From Initial Specifications to a Virtual ArchitectureThe front-end of MMAlpha contains several tools to perform code analysis andtransformations.Code ... is inherited from the theory of systolic arrays where data which are re-used in a calculation should be read only once from memory, thus savinginput–outputs. MMAlpha performs automatically many...
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High Level Synthesis: from Algorithm to Digital Circuit- P2 pdf
... C -level design methodology depending on the way theyreuse in design their IPs (Fig. 1.4). More promising: designers that moved to C -level design usually don’t want to come back to RTL level to ... RTL level, on automatically produced RTL, thanks to some specialized tools. Experienceshows that power savings can be greatly improved at architectural level, compared to back-end design level. There ... Engineering, Princeton University, Princeton, NJ08544, USA, jha@princeton.eduWei JiangAutoESL Design Technolgoies, Inc., 12100 Wilshire Blvd, Los Angeles, CA90025, USA, wjiang@autoesl.comRyan...
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High Level Synthesis: from Algorithm to Digital Circuit- P3 doc
... language) into hardware, thus setting upthe notion of design synthesis from a high- level language specification. High- level Synthesis in later years will thus come to be known as the process of automatic ... has sought to disrupt con-ventional design methodologies with the advent of high- level design modeling andtools to automate the design process. This pursuit to raise the abstraction level atwhich ... work,leading to find much optimized solutions. This could also be part of higher level optimizations tools: DSE tools (Fig. 1.11).Capacity of HLS tools is another parameter to be enhanced, even if tools...
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High Level Synthesis: from Algorithm to Digital Circuit- P4 doc
... was regarding methods used to go from a high- level programming language(HLL) to an HDL. Broadly speaking, there are three ways to do it: (1) as a syntacticadd-on to capture “hardware” concepts ... us to point to the following contributing factors:a. The so-called high- level specifications in reality grew out of the need for simu-lation and were often little more than an input language to ... description that2 High- Level Synthesis: A Retrospective 21algorithmic description in a programming language is to extract the parallelisminherent in the specification. The most common way was to extract...
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High Level Synthesis: from Algorithm to Digital Circuit- P5 pptx
... Catapult Synthesis tool.3.1.4 Industrial Requirements for Modern High- Level SynthesisToolsThe fact that high- level synthesis tools can provide significant value through fastertime -to- RTL and optimized ... applicability of these tools.3.1.2 A New Approach to High- Level SynthesisAcknowledging this unfulfilled need to improve productivity and learning from theshortcomings of initial attempts, Mentor Graphics ... practitioners to do things they can not do now. Today, wehave broad categories of pain-points in this area: architects have to deal with toomany design “knobs” that need to be turned to produce...
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High Level Synthesis: from Algorithm to Digital Circuit- P6 potx
... the design to the rest of the world. Structure orpointer arguments infer output ports if the design reads from them but does notwrite to them.• Input ports transfer data both to and from the ... the “convert to gray” function. Itis implemented as a loop which reads RGB pixels one by one from an input array,calls the to gray” method to compute the result and assigns it to the output ... 3.10). Thisis fundamental to build optimized RTL implementations, allowing efficient retar-geting of algorithmic specifications from one ASIC process to another, or even to FPGAs, with always optimal...
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