[go: up one dir, main page]

He et al., 2011 - Google Patents

Ripple: An effective routability-driven placer by iterative cell movement

He et al., 2011

View PDF
Document ID
8543737530033118297
Author
He X
Huang T
Xiao L
Tian H
Cui G
Young E
Publication year
Publication venue
2011 IEEE/ACM International Conference on Computer-Aided Design (ICCAD)

External Links

Snippet

In this paper, we describe a routability-driven placer called Ripple. Two major techniques called cell inflation and net-based movement are used in global placement followed by a rough legalization step to reduce congestion. Cell inflation is performed in the horizontal and …
Continue reading at www.academia.edu (PDF) (other versions)

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/50Computer-aided design
    • G06F17/5068Physical circuit design, e.g. layout for integrated circuits or printed circuit boards
    • G06F17/5072Floorplanning, e.g. partitioning, placement
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/50Computer-aided design
    • G06F17/5068Physical circuit design, e.g. layout for integrated circuits or printed circuit boards
    • G06F17/5081Layout analysis, e.g. layout verification, design rule check
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/50Computer-aided design
    • G06F17/5068Physical circuit design, e.g. layout for integrated circuits or printed circuit boards
    • G06F17/5077Routing
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/50Computer-aided design
    • G06F17/5009Computer-aided design using simulation
    • G06F17/5036Computer-aided design using simulation for analog modelling, e.g. for circuits, spice programme, direct methods, relaxation methods
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/50Computer-aided design
    • G06F17/5009Computer-aided design using simulation
    • G06F17/5018Computer-aided design using simulation using finite difference methods or finite element methods
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/50Computer-aided design
    • G06F17/5045Circuit design
    • G06F17/505Logic synthesis, e.g. technology mapping, optimisation
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/50Computer-aided design
    • G06F17/5045Circuit design
    • G06F17/5054Circuit design for user-programmable logic devices, e.g. field programmable gate arrays [FPGA]
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRICAL DIGITAL DATA PROCESSING
    • G06F2217/00Indexing scheme relating to computer aided design [CAD]
    • G06F2217/12Design for manufacturability
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/50Computer-aided design
    • G06F17/5086Mechanical design, e.g. parametric or variational design
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRICAL DIGITAL DATA PROCESSING
    • G06F2217/00Indexing scheme relating to computer aided design [CAD]
    • G06F2217/78Power analysis and optimization
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/30Information retrieval; Database structures therefor; File system structures therefor
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRICAL DIGITAL DATA PROCESSING
    • G06F12/00Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02Addressing or allocation; Relocation
    • G06F12/0223User address space allocation, e.g. contiguous or non contiguous base addressing
    • G06F12/023Free address space management
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRICAL DIGITAL DATA PROCESSING
    • G06F2217/00Indexing scheme relating to computer aided design [CAD]
    • G06F2217/08Multi-objective optimization
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/30Subject of image; Context of image processing
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRICAL DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00Image analysis

Similar Documents

Publication Publication Date Title
He et al. Ripple: An effective routability-driven placer by iterative cell movement
Spindler et al. Abacus: Fast legalization of standard cell circuits with minimal movement
Cong et al. Optimizing routability in large-scale mixed-size placement
Yu et al. Pin accessibility prediction and optimization with deep learning-based pin pattern recognition
He et al. Ripple 2.0: High quality routability-driven placement via global router integration
Hsu et al. Routability-driven analytical placement for mixed-size circuit designs
US7921392B2 (en) Node spreading via artificial density enhancement to reduce routing congestion
Cong et al. Large-scale circuit placement
Chow et al. Cell density-driven detailed placement with displacement constraint
He et al. Ripple: A robust and effective routability-driven placer
US20080216038A1 (en) Timing Driven Force Directed Placement Flow
US8453093B2 (en) Alignment net insertion for straightening the datapath in a force-directed placer
He et al. Ripple 2.0: Improved movement of cells in routability-driven placement
Tseng et al. A power delivery network (PDN) engineering change order (ECO) approach for repairing IR-drop failures after the routing stage
Brenner et al. BonnPlace: A self-stabilizing placement framework
Yan et al. Optimal slack-driven block shaping algorithm in fixed-outline floorplanning
US7596773B2 (en) Automating optimal placement of macro-blocks in the design of an integrated circuit
Yao et al. Unified quadratic programming approach for mixed mode placement
Saeedi et al. Prediction and reduction of routing congestion
Wei et al. Techniques for scalable and effective routability evaluation
Chen et al. Metal-density driven placement for cmp variation and routability
He et al. SRP: Simultaneous routing and placement for congestion refinement
Chen et al. An integrated-spreading-based macro-refining algorithm for large-scale mixed-size circuit designs
US11301614B1 (en) Feasibility analysis of engineering change orders
Viswanathan et al. FastPlace: An efficient multilevel force-directed placement algorithm