Communications of the ACM
Performance analysis and optimization of asynchronous circuits
Performance analysis and optimization of asynchronous circuits
Distributed Synchronous Clocking
IEEE Transactions on Parallel and Distributed Systems
Optimization of linear max-plus systems with application to timing analysis
Optimization of linear max-plus systems with application to timing analysis
Synthesis and Optimization of Digital Circuits
Synthesis and Optimization of Digital Circuits
Power and performance evaluation of globally asynchronous locally synchronous processors
ISCA '02 Proceedings of the 29th annual international symposium on Computer architecture
An Algorithm for Exact Bounds on the Time Separation of Events in Concurrent Systems
IEEE Transactions on Computers
Performance Analysis and Optimization of Asynchronous Circuits
ICCS '94 Proceedings of the1994 IEEE International Conference on Computer Design: VLSI in Computer & Processors
Self-Timed Meshes Are Faster Than Synchronous
ASYNC '97 Proceedings of the 3rd International Symposium on Advanced Research in Asynchronous Circuits and Systems
ASYNC '97 Proceedings of the 3rd International Symposium on Advanced Research in Asynchronous Circuits and Systems
ASYNC '97 Proceedings of the 3rd International Symposium on Advanced Research in Asynchronous Circuits and Systems
A Fast Asynchronous Huffman Decoder for Compressed-Code Embedded Processors
ASYNC '98 Proceedings of the 4th International Symposium on Advanced Research in Asynchronous Circuits and Systems
RAPPID: An Asynchronous Instruction Length Decoder
ASYNC '99 Proceedings of the 5th International Symposium on Advanced Research in Asynchronous Circuits and Systems
Bounding Average Time Separations of Events in Stochastic Timed Petri Nets with Choice
ASYNC '99 Proceedings of the 5th International Symposium on Advanced Research in Asynchronous Circuits and Systems
Probabilistic Timing Analysis of Asynchronous Systems with Moments of Delays
ASYNC '02 Proceedings of the 8th International Symposium on Asynchronus Circuits and Systems
Point to Point GALS Interconnect
ASYNC '02 Proceedings of the 8th International Symposium on Asynchronus Circuits and Systems
Asynchronous Wrapper for Heterogeneous Systems
ICCD '97 Proceedings of the 1997 International Conference on Computer Design (ICCD '97)
Globally-asynchronous locally-synchronous systems (performance, reliability, digital)
Globally-asynchronous locally-synchronous systems (performance, reliability, digital)
Efficient asynchronous bundled-data pipelines for DCT matrix-vector multiplication
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
SCOPES '07 Proceedingsof the 10th international workshop on Software & compilers for embedded systems
Global critical path: a tool for system-level timing analysis
Proceedings of the 44th annual Design Automation Conference
An efficient algorithm for time separation of events in concurrent systems
Proceedings of the 2007 IEEE/ACM international conference on Computer-aided design
Slack analysis in the system design loop
CODES+ISSS '08 Proceedings of the 6th IEEE/ACM/IFIP international conference on Hardware/Software codesign and system synthesis
Performance estimation and slack matching for pipelined asynchronous architectures with choice
Proceedings of the 2008 IEEE/ACM International Conference on Computer-Aided Design
Modular performance analysis of cyclic dataflow graphs
EMSOFT '09 Proceedings of the seventh ACM international conference on Embedded software
Characterizing asynchronous variable latencies through probability distribution functions
Microprocessors & Microsystems
High performance asynchronous design flow using a novel static performance analysis method
Computers and Electrical Engineering
Process variation-aware performance analysis of asynchronous circuits
Microelectronics Journal
PATMOS'09 Proceedings of the 19th international conference on Integrated Circuit and System Design: power and Timing Modeling, Optimization and Simulation
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This paper presents an efficient method for the performance analysis and optimization of asynchronous systems. An asynchronous system is modeled as a marked graph with probabilistic delay distributions. We show that these systems exhibit inherent periodic behaviors. Based on this property, we derive an algorithm to construct the state space of the system through composition and capture the time evolution of the states into a periodic Markov chain. The system is solved for important performance metrics such as the distribution of input arrival time at a component, which is useful for subsequent system optimization, as well as relative component utilization, system latency and throughput. We also present a tool to demonstrate the feasibility of this method. Initial experimental results are promising, showing over three orders of magnitude improvement in runtime and nearly two orders of magnitude decrease in the size of the state space over previously published results. While the focus of this paper is on asynchronous digital systems, our technique can be applied to other concurrent systems that exhibit global asynchronous behavior, such as GALS and embedded systems.