By Wayne Luk, Michael J. Flynn
The subsequent iteration of laptop process designers might be much less enthusiastic about info of processors and thoughts, and extra interested by the weather of a method adapted to specific functions. those designers may have a basic wisdom of processors and different parts within the process, however the luck in their layout is determined by the abilities in making system-level tradeoffs that optimize the associated fee, functionality and different attributes to satisfy software requisites. This e-book offers a brand new remedy of machine procedure layout, rather for System-on-Chip (SOC), which addresses the problems pointed out above. It starts with an international advent, from the high-level view to the bottom universal denominator (the chip itself), then strikes directly to the 3 major construction blocks of an SOC (processor, reminiscence, and interconnect). subsequent is an outline of what makes SOC exact (its customization skill and the purposes that force it). the ultimate bankruptcy offers destiny demanding situations for procedure layout and SOC chances.
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Extra info for Computer System Design - System-on-Chip
16) to implement multiple robust homogeneous processors sharing the higher levels of a two- or three-level cache structure with the main memory off-die, on its own multidie module. From a design complexity point of view, this has the advantage of being a “universal” solution: One implementation fits all applications, although not necessarily equally well. So, while a great deal of design effort is required for such an implementation, the production quantities can be large enough to justify the costs.
Repeat for vector load and vector store. Is overlapping of vector instruction execution permitted? Explain. 5. 9, suppose instruction #3 sets the CC (condition code that can be tested by following a branch instruction) at the end of WB and instruction #4 is the condition branch. Without additional hardware support, what is the delay in executing instruction #5 if the branch is taken and if the branch is not taken? 6. Suppose we have four different processors; each does 25% of the application. If we improve two of the processors by 10 times, what would be the overall application speedup?
SIMD Architectures: Array and Vector Processors The SIMD class of processor architecture includes both array and vector processors. The SIMD processor is a natural response to the use of certain regular data structures, such as vectors and matrices. From the view of an assembly-level programmer, programming SIMD architecture appears to be very similar to programming a simple processor except that some operations perform computations on aggregate data. Since these regular structures are widely used in scientific programming, the SIMD processor has been very successful in these environments.