Scientific processor vector file organization

Details Scientific processor vector file organization Scientific processor vector file organization

1988-11-14

1989-10-17

Chan, Eddie P.

Boots, shoes, and leggings

36423221, 3642685, 3642431, 3642542, 3642716, 364736, G06F 15347, G06F 1206

Patent

active

048751618

ABSTRACT:
A vector file organization for a multiple pipelined vector processor with data transfer capability to support multiple program execution pipelines. Multiple pipelines can simultaneously access various blocks of the vector file through segmenting the file storage and by addressing the various elements of the segments. Vector files of programmable registers each have storage for sixty-four elements of 36-bit words or thirty-two elements of 64-bit words. Six independent execution pipelines in combination can programmably access the vector files for either read operands or write operands or both. Each vector file has N independent blocks, each using a RAM with read output to the pipelines, an address register and a write data register. Each block holds interspersed word pairs of words of each vector file. Primary and secondary vector files are equal in capability and allow reading pairs of elements, as required by arithmetic instructions. Shadow storage similarly arranged and addressed provides storage for intermediate result vectors. A time slot management mechanism uses N registers connected in serial loop, to allocate and reserve access to the vector files by the execution pipe for each instruction execution to maintain its function. It forms a read or write address for both the primary and secondary files and references all N blocks in a pass.

REFERENCES:
patent: 3889237 (1975-06-01), Alferness et al.
patent: 4435765 (1984-03-01), Uchida et al.
patent: 4620275 (1986-10-01), Wallach et al.

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