Scalable Quantum BCD Adder Designs Achieve 30.75% Delay Reduction with 85.12% Cost Efficiency

The demand for more efficient and scalable computing drives exploration of reversible logic, a paradigm that preserves information during processing. Negin Mashayekhi, Mohammad Reza Reshadinezhad, and Antonio Rubio, alongside their colleagues, from the University of Isfahan and the Polytechnic University of Catalonia, address a critical challenge within this field: the design of fast and cost-effective binary coded decimal (BCD) adders. These adders are essential components in numerous applications, particularly financial and commercial systems where accurate monetary transactions rely on BCD arithmetic. The team presents two novel reversible BCD adder designs, one incorporating a carry-skip technique to significantly reduce processing time, and demonstrates substantial improvements over existing designs, achieving up to 85. 12% faster operation and 30. 75% lower cost. This research advances the development of practical, scalable reversible computing systems and highlights the importance of optimised BCD addition for real-world applications.

Hybrid Decimal Adder for Speed and Efficiency

This research investigates new designs for energy-efficient and high-speed hybrid decimal adders, building upon the growing field of reversible and quantum Binary Coded Decimal (BCD) arithmetic. The core aim is to optimize performance while minimizing power consumption, a crucial consideration for future computing technologies. This work explores reversible computing, which seeks to minimize energy loss by ensuring all operations are logically reversible, and its application to quantum computing, where reversible logic is fundamental. BCD arithmetic, encoding each decimal digit with four bits, is particularly important for applications demanding precise decimal representation, such as financial systems.

Researchers are increasingly focused on minimizing quantum cost and gate count, alongside energy efficiency. Current research also addresses fault tolerance in nanoscale and quantum circuits and explores multiple objective optimization to balance competing goals like cost, delay, and power consumption. Various reversible gate implementations, including HNG, Toffoli, and Peres gates, are being investigated to achieve optimal performance. This ongoing research is crucial for developing low-power, high-performance computing systems for applications requiring precise decimal arithmetic, and the work contributes to this field by exploring new architectures and optimization techniques.

Reversible BCD Adder Designs for Speed and Efficiency

Scientists have engineered two novel reversible Binary Coded Decimal (BCD) adder designs, prioritizing both speed and efficiency for next-generation computing architectures. Recognizing that conventional BCD adders can suffer from propagation delay, scientists focused on optimizing delay alongside quantum cost. The study pioneered a methodology that integrates reversible logic gates with a decimal carry-skip technique, achieving a significant reduction in both critical path delay and overall quantum cost. The team constructed an efficient Six Correction Logic (SCL) module and implemented a new decimal full adder, then built upon this SCL module to present a new BCD addition circuit structure incorporating the carry-skip technique to accelerate computation.

Rigorous simulations demonstrate that the proposed adders surpass previous designs, achieving average improvements of 85. 12% in delay and 30. 75% in cost. This advancement stems from the innovative architecture that combines reversible-based BCD addition with the carry-skip technique, effectively minimizing both delay and quantum cost. By focusing on both delay and quantum cost, the research team delivered a highly efficient and balanced reversible BCD adder suitable for demanding applications in future quantum and financial computing systems.

Reversible BCD Adders Boost Speed and Efficiency

Scientists have developed two new reversible Binary Coded Decimal (BCD) adder designs optimized for both speed and efficiency, representing a significant advancement in arithmetic logic for future computing systems. This work addresses a key limitation of existing reversible BCD adders, which often prioritize minimizing quantum cost at the expense of propagation delay. The team’s designs efficiently perform BCD addition while maintaining full reversibility, a crucial property for low-energy computation and quantum circuit design. One of the proposed designs integrates a decimal carry-skip technique to improve overall delay.

Evaluation results demonstrate that these new adders surpass existing reversible BCD adder designs, achieving an average improvement of 85. 12% in delay and 30. 75% reduction in quantum cost. This substantial reduction in processing time is critical for applications requiring rapid calculations, such as financial transactions and real-time data analysis. The researchers validated the designs using real banking transaction data, confirming the practical importance of BCD addition in accurate and efficient monetary computations. These findings demonstrate the potential of the proposed adders for integration into future quantum-based arithmetic units and scalable reversible computing systems, paving the way for more powerful and sustainable computing technologies.

Reversible BCD Adders with Reduced Cost and Delay

This research presents two new reversible Binary Coded Decimal (BCD) adder designs, advancing the field of quantum and reversible computing. By integrating principles of mechanics and reversible computation, the team has developed architectures that prioritize both scalability and efficiency in information processing. The designs address a key challenge in existing reversible BCD adders, the trade-off between quantum cost and delay, by incorporating a decimal carry-skip technique and a novel correction block. Evaluation of the proposed adders demonstrates significant improvements over current designs, with the Dec-RCA adder achieving a 30.

75% reduction in quantum cost and the Dec-CSK adder exhibiting an 85. 12% improvement in delay. These results highlight the potential of these adders for use in future quantum arithmetic units and scalable reversible systems, particularly within financial applications where accurate decimal calculations are essential. The team validated the designs using a dataset of real banking transactions, demonstrating their practical relevance. This research contributes to the growing body of knowledge surrounding efficient and accurate quantum computation for real-world applications, paving the way for more powerful and reliable financial systems.