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Improved interval-based characterization of fixed-point LTI systems with feedback loops
Traditional approaches for fixed-point characterization are based on long simulations or
additive noise models that do not show the nonlinear behavior of the quantization …
additive noise models that do not show the nonlinear behavior of the quantization …
Fast and accurate computation of the round-off noise of linear time-invariant systems
From its introduction in the last decade, affine arithmetic (AA) has shown beneficial
properties to speed up the time of computation procedures in a wide variety of areas. In the …
properties to speed up the time of computation procedures in a wide variety of areas. In the …
Optimization of imprecise circuits represented by Taylor series and real-valued polynomials
Arithmetic circuits in general do not match specifications exactly, leading to different
implementations within allowed imprecision. We present a technique to search for the least …
implementations within allowed imprecision. We present a technique to search for the least …
Evaluation of static analysis techniques for fixed-point precision optimization
Precision analysis and optimization is very important when transforming a floating-point
algorithm into fixed-point hardware implementations. The core analysis techniques are …
algorithm into fixed-point hardware implementations. The core analysis techniques are …
[PDF][PDF] Fixed-point refinement of digital signal processing systems
For the digital signal processing (DSP) part of mixed-signal systems, fixed-point arithmetic is
favoured due to its high efficiency in terms of implementation cost, namely energy …
favoured due to its high efficiency in terms of implementation cost, namely energy …
Automated range and precision bit-width allocation for iterative computations
As scientific computing becomes more widespread in environments where form-factor
considerations necessitate hardware acceleration, the problem of selecting numerical data …
considerations necessitate hardware acceleration, the problem of selecting numerical data …
Symbolic noise analysis approach to computational hardware optimization
This paper addresses the problem of computational error modeling and analysis. Choosing
different word-lengths for each functional unit in hardware implementations of numerical …
different word-lengths for each functional unit in hardware implementations of numerical …
An Overflow/Underflow-Free Fixed-Point Bit-Width Optimization Method for OS-ELM Digital Circuit
Currently there has been increasing demand for real-time training on resource-limited IoT
devices such as smart sensors, which realizes standalone online adaptation for streaming …
devices such as smart sensors, which realizes standalone online adaptation for streaming …
Finite-precision error modeling using affine arithmetic
This paper introduces a new approach for finite-precision error modeling based on affine
arithmetic. The paper demonstrates that there is a common hazard in affine arithmetic-based …
arithmetic. The paper demonstrates that there is a common hazard in affine arithmetic-based …
Automatic design space exploration for an error tolerant application
Creating optimized hardware for error tolerant applications presents significant challenges
as well as opportunities. Many algorithms in computer graphics & vision are error tolerant, as …
as well as opportunities. Many algorithms in computer graphics & vision are error tolerant, as …