Chivapreecha, Sorawat
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Preferred name
Chivapreecha, Sorawat
Alternative Name
Chivapreecha, S.
Chivapreecha, Sorwat
Main Affiliation
Email
sorawat.ch@kmitl.ac.th
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Item type:Publication, Evaluation of Multi-Bit Input Logic Blocks in RTL-Designed FPGA Architecture: A Framework for FPGA and ASIC Integration(2025-01-01); This paper explores the evaluation and optimization of multi-bit input logic blocks (LBs) within RTL-designed FPGA architectures. Traditional FPGA designs face limitations in power consumption, delay, and area due to the constraints of reconfigurable circuits. The proposed architecture leverages RTL-level design capabilities to address these challenges and enables the co-design of FPGAs and ASICs. The authors evaluate the performance of 8-bit, 16-bit, and 32-bit input LBs in terms of delay, area, and synthesis feasibility. The results demonstrate that 8-bit input LBs achieve a delay of 0.68 ns with an area of 2202.48 μm<sup>2</sup>, outperforming multi-stage smaller LBs. Although 16-bit input LBs show potential for delay reduction, their synthesis demands significant time and results in a large area footprint, rendering them impractical. Synthesis of 32-bit input LBs was not feasible due to current tool limitations. These findings highlight the effectiveness of 8-bit input LBs for pattern matching tasks and emphasize the importance of application-specific optimization. The fixed routing feature of RTL-designed FPGAs facilitates the development of efficient, customizable designs tailored to specific workloads. This work contributes to the advancement of FPGA architectures, offering insights for future research on larger input LBs and their integration into high-performance applications. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Application-Optimized FPGAs Design Using RTL-Designed FPGAs Architectures(2025-01-01); RTL-Designed Field-Programmable Gate Arrays (FPGAs) can describe FPGA functionality using Hardware Description Languages (HDLs), which means they can be easily customized to configure the FPGA. In conventional FPGAs, switches are used for routing control, making it impossible to design them using HDLs. This study leverages the customizable nature of RTL-Designed FPGAs to explore the optimal configuration of FPGAs for packet processing in computer networks. It demonstrates that a 4-input Look-Up Table (LUT) is superior to a 3-input LUT in terms of throughput and reveals that, as the number of LUT inputs increases, having 5 routing paths is more optimal than 4. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Optimal Number of Wires for Circuits on RTLDesigned FPGAs(2024-01-01); FPGAs (Field-Programmable Gate Arrays) with reconfigurable features are used in various applications. However, circuits on FPGAs are inferior to circuits on ASICs in operating frequency, power consumption, and area. Co-design of FPGA and ASIC is one way to solve this problem. To realize this co-design, RTL-Designed FPGAs have been proposed by the authors. The features of the FPGAs are that they can be described only with HDL and that they can be realized with ordinary standard cells. Therefore, FPGAs and ASICs can be co-designed easily. Until now, the FPGAs have not been considered for optimal wiring count. In this paper, we clarify the optimum number of wires using a 4-bit adder circuit. In addition, cases in which more than that optimal number of wires is needed are discussed.