Determining sizes of FIFO buffers between functional blocks...

Details Determining sizes of FIFO buffers between functional blocks... Determining sizes of FIFO buffers between functional blocks...

2008-10-30

2010-10-19

Ton, Dang T (Department: 2475)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C709S235000

Reexamination Certificate

active

07817655

ABSTRACT:
Approaches for sizing first-in-first-out (FIFO) buffers for pipelining functions of a circuit. Functions of the circuit are performed on an input data set, with respective FIFO buffers for buffering data elements between coupled pairs of the functional blocks. While performing the functions of the circuit, a respective current number of elements added to a FIFO buffer since a previous element was removed from the FIFO buffer is counted for each FIFO buffer, and then compared to a respective saved number. The respective current number is saved as a new respective saved number in response to the respective current number being greater than the respective saved number, and the respective current number is reset after the comparing of the respective current number to the respective saved number. Respective sizes for the FIFO buffers are determined as a function of the respective saved numbers and then the sizes are stored.

REFERENCES:
patent: 7039074 (2006-05-01), Calderone et al.
patent: 7346483 (2008-03-01), Toma et al.
patent: 2003/0023914 (2003-01-01), Taylor et al.
patent: 2003/0103460 (2003-06-01), Kamath et al.
patent: 2009/0225768 (2009-09-01), Hsu et al.

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