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- W4387129402 abstract "With the advancement of semiconductor technologies, the acceleration of advanced EDA algorithms is receiving much attention. However, developing a faster mixed-size placer without hardware acceleration and loss of solution quality is of great challenge. In this paper, we propose a novel definition of potential energy for each block for global placement based on an analytical solution of Poisson’s equation. A fast approximate computation scheme for partial derivatives of the potential energy is given with considerably less computational loads than existing electrostatics-based placers. Moreover, we propose an effective and efficient occupy-aware macro legalization algorithm. Then a mixed-size placer named Pplace-MS is developed. Compared to existing leading mixed-size placer, Pplace-MS on average achieves 2.054× speedup in single-threaded mode on the same machine and 2.3% reduction of scaled HPWL on the modern mixed-size placement benchmarks. The proposed approach can also be considered accelerated on GPU, as previous works." @default.
- W4387129402 created "2023-09-29" @default.
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- W4387129402 date "2023-01-01" @default.
- W4387129402 modified "2023-10-18" @default.
- W4387129402 title "Pplace-MS: Methodologically Faster Poisson’s Equation Based Mixed-Size Global Placement" @default.
- W4387129402 doi "https://doi.org/10.1109/tcad.2023.3320628" @default.
- W4387129402 hasPublicationYear "2023" @default.
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