A scalable, distributed, processor architecture is presented that emphasizes on high performance computing for digital signal processing applications by combining high frequency design techniques with a very high degree of parallel processing on a chip. The architecture is based on a superscalar processor model with a modified Tomasulo scheme 1, that was extended to eliminate all central control structures for the data flow and to support simultaneous instruction issue from multiple independent threads (SMT). Consequent application of fine clustering reduces the cycle-time for wire-sensitive building blocks of the processor like the register file or the instruction scheduler and leads to a distributed architecture model, where independent thread processing units, ALUs, registers files and memories are distributed across the chip and communicate with each other by special networks. The performance of the architecture is scalable with both the number of function units and the number of thread units without having any impact on the processors cycle-time.
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A scalable, clustered SMT processor for digital signal processing
Berekovic, Mladen; Moch, Sören; Pirsch, Peter
Follow ACM SIGARCH Computer Architecture News
, Volume 32 (3)
Association for Computing Machinery – Jun 1, 2004
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