摘要:
The present inventions are related to systems and methods for information data processing included selective decoder message determination. In one example, a data processing system is disclosed that includes a data decoder circuit operable to apply a conditional data decoding algorithm to a data set to yield a decoded output. The conditional decoding algorithm is operable to calculate node messages using an approach selected from a group consisting of: a first message determination mechanism, and a second message determination mechanism; where one of the first message determination mechanism and the second message determination mechanism is selected based upon a condition that includes a global iteration count applied to the data set.
摘要:
The present inventions are related to systems and methods for data processing, and more particularly to systems and methods for power governance in a data processing system. In one particular case, a system is disclosed that includes a first data processing circuit operable to apply a data detection algorithm to a data input synchronous to a first clock, and a second data processing circuit operable to apply a subsequent data processing algorithm to an output derived from the first data processing circuit synchronous to a second clock, and an idle time enforcement circuit operable to modify an average frequency of at least one of the first clock and the second clock.
摘要:
Various embodiments of the present invention provide systems and methods for data processing. For example, a data processing system is disclosed that includes a combination data decoder circuit. The combination data decoder circuit includes: a non-binary data decoder circuit and a binary data decoder circuit.
摘要:
Various embodiments of the present invention provide systems and methods for data processing. For example, a data processing system is discussed that includes: an equalizer circuit, a signal to noise ratio calculation circuit, and a parameter adjustment circuit. The equalizer circuit is operable to equalize a data input to yield an equalized output. The signal to noise ratio calculation circuit is operable to calculate a signal to noise ratio of the equalized output based at least in part on a noise power derived from the equalized output. The parameter adjustment circuit is operable to adjust a parameter based at least in part on the signal to noise ratio.
摘要:
Various embodiments of the present invention provide systems and methods for media defect detection. As an example, a data processing circuit is disclosed that includes a defect detector circuit and a comparator circuit. The defect detector circuit is operable to calculate a correlation value combining at least three of a data input derived from a medium, a detector extrinsic output, a detector intrinsic output and a decoder output. The comparator circuit is operable to compare the correlation value to a threshold value and to assert a media defect indicator when the correlation value is less than the threshold value.
摘要:
The present invention is related to systems and methods for enhancing data detection in a data processing system. In one embodiment, a data processing system is disclosed that includes a data detector circuit that is governed at least in part based upon selected coefficients. The selected coefficients are selected as either a first set of coefficients or a second set of coefficients where the second set of coefficients has fewer coefficients than the first set of coefficients.
摘要:
The present inventions are related to systems and methods for an LDPC decoder with dynamic Tanner graph modification, and in particular, to a non-erasure channel LDPC decoder that implements a probabilistic approach to Tanner graph modification.
摘要:
Various embodiments of the present invention provide systems and methods for data processing. For example, a low density parity check encoding system is described that includes: a low density parity check encoder circuit, and a combining circuit. The low density parity check encoder circuit is operable to encode a first data set to yield a first low density parity check encoded sub-codeword, and to encode a second data set to yield a second low density parity check encoded sub-codeword. The combining circuit is operable to: generate a composite low density parity check sub-codeword by mathematically combining at least the first low density parity check encoded sub-codeword and the second low density parity check encoded sub-codeword; and combine at least the first low density parity check encoded sub-codeword and the composite low density parity check sub-codeword into an overall codeword.
摘要:
The present inventions are related to systems and methods for data processing, and more particularly to systems and methods for data processing systems with symbol selective scaling interacting with parity forcing.
摘要:
Various embodiments of the present inventions provide systems and methods for data processing with out of order transfer. For example, a data processing system is disclosed that includes a data processor operable to process input blocks of data and to yield corresponding processed output blocks of data, wherein the processed output blocks of data are output from the data processor in an order in which their processing is completed, and a scheduler operable to receive processing priority requests for the input blocks of data and to assign processing resources in the data processor according to the priority requests.