By Patrick R. Schaumont
This e-book offers a scientific creation to the subject of Hardware-Software Codesign. the fabric emphasizes the elemental rules, and the sensible facets of Hardware-Software Codesign. The ebook built from a direction related to Hardware-Software Codesign, equipped via the writer at Virginia Tech. it's separated into 4 differenct sections; easy thoughts, customized Architectures, Hardware/Software Interfaces, and functions. the writer covers many ideas together with a number of the sorts of expressing computations, sequential and parallel implementations, control-flow and data-flow, keep an eye on dependency and information dependency, latency and throughput in addition to the structure layout area of info paths, finite nation machines, micro-programmed machines, instruction-set processors, system-on-chip, and on-chip buses. the fabric additionally contains different varieties of hardware/software interfaces, their impression on functionality, price, and software program complexity. The e-book comprises info on hardware/software integration of elements on best of hardware/software interfaces in addition to layout method and layout flows for hardware-software codesign together with functionality evaluate, verification and synthesis of and software program implementations. difficulties are incorporated on the finish of every bankruptcy and a suggestions guide can be to be had for teachers.
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Additional resources for A Practical Introduction to Hardware/Software Codesign
5 shows the example of a particular encryption application (AES) for different target platforms (Refer to Further Reading for source references). The flexibility of these platforms varies from very high on the left to very low on the right. 18 micron CMOS standard cells. The logarithmic Y-axis Gb 2 J 10 101 100 10–1 10–2 10–3 10–4 10–5 10– 6 Java KVM Sparc Fig. 3 The Driving Factors in Hardware/Software Codesign 15 shows the amount of gigabits that can be encrypted on each of these platforms using a single Joule of energy.
6, this means that we will balance Design Cost versus Performance. 4 The Hardware–Software Codesign Space The trade-offs discussed in the previous section need to be made in the context of a design space. For a given application, there are many different possible solutions. The collection of all these implementations is called the hardware–software codesign space. 7 gives a symbolic representation of this design space and indicates the main design activities in this design space. On top is the application, and a designer will map this application onto a platform.
Initially, a hardware design is modeled using a HDL. Such a hardware description can be simulated, but it is not an implementation of the actual circuit. Hardware designers use a hardware description language, and their programs are models which are later transformed to implementation. Software designers use a software programming language, and their programs are an implementation by itself. Reuse: Finally, hardware and software are also quite different when it comes to Intellectual Property Reuse or IP-reuse.