Software-driven design optimization for mapping between floating-point and fixed-point multiply accumulators
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United States of America Patent
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Jun 9, 2020
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Aug 21, 2018
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Aug 21, 2018
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Abstract
An example multiply accumulate (MACC) circuit includes a multiply-accumulator having an accumulator output register, a scaler, coupled to the multiply accumulator, and a control circuit coupled to the multiply-accumulator and the scaler. The control circuit is configured to provide control data to the scaler, the control data indicative of: a most-significant bit (MSB) to least significant bit (LSB) range for selecting bit indices from the accumulator output register for implementing a first right shift; a multiplier; and a second right shift.
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