By Ramachandran Vaidyanathan
Dynamic Reconfiguration: Architectures and Algorithms deals a entire remedy of dynamically reconfigurable desktop architectures and algorithms for them. The insurance is large ranging from primary algorithmic suggestions, ranging throughout algorithms for a wide range of difficulties and functions, to simulations among types. The presentation employs a unmarried reconfigurable version (the reconfigurable mesh) for many algorithms, to let the reader to distill key rules with no the bulky info of a myriad of types. as well as algorithms, the publication discusses themes that supply a greater realizing of dynamic reconfiguration reminiscent of scalability and computational strength, and newer advances similar to optical types, run-time reconfiguration (on FPGA and similar platforms), and enforcing dynamic reconfiguration. The publication, that includes many examples and a wide set of workouts, is a wonderful textbook or reference for a graduate path. it's also an invaluable connection with researchers and procedure builders within the sector.
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Extra resources for Dynamic Reconfiguration: Architectures and Algorithms
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Prefix Sums of Bits. For the prefix sum of bits is For example, if then For inte ger modulo prefix sum of bits the is (mod For the above example, Algorithms presented so far in this section generalize to prefix sums of bits as well as simply adding bits. 5. For completeness, we state these results as the following lemmas, leaving their proofs as exercises. 7 The prefix sums of N bits can be computed on an (N+1)×N R-Mesh in O(1) time. Initially, each processor of row 0 holds an input bit. 8 For any m > 1, the modulo m prefix sums of N bits can be computed on an (m + 1) × 2N R-Mesh in O(1) time.
7) are ideas applicable to all models, but carry special significance for reconfigurable models. 1 Data Movement As in conventional interconnection topologies, R-Mesh data movement techniques hold a position of prime importance in algorithm design. In this section we describe broadcasting and permutation routing, two of the most commonly encountered data movement problems. 25 The Reconfigurable Mesh: A Primer Broadcasting. Processors of the R-Mesh make autonomous decisions based on local data. Capturing the global picture often necessitates broadcasts4 (on multiple buses) from a small set of processors to other processors.
The SIMD mode of operation does not restrict processors to assume the same internal port partition. This ability of processors to configure independently is called connection autonomy. 2. Communication: A processor writes to and reads from (possibly all) its ports. A processor may write and not read, or vice versa. A processor could write to or read from a subset of its ports. When both reads and writes occur on a bus during the same step, the value read (if any) is the consequence of a value written during the same step.