E2AFS is a lightweight multiplier-free approximate FP square-root unit that achieves lower dynamic power, shorter delay, and better power-delay product than prior ESAS and CWAHA designs while keeping approximation error low for edge computing.
Cwaha: Cluster-wise approximation for hardware implementation of arithmetic functions
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E2AFS: Energy-Efficient Approximate Floating Point Square Rooter for Error Tolerant Computing
E2AFS is a lightweight multiplier-free approximate FP square-root unit that achieves lower dynamic power, shorter delay, and better power-delay product than prior ESAS and CWAHA designs while keeping approximation error low for edge computing.