Automatic Memory Access Analysis with Periscope
نویسندگان
چکیده
Periscope is a distributed automatic online performance analysis system for large scale parallel systems. It consists of a set of analysis agents distributed on the parallel machine. This article presents the support in Periscope for analyzing inefficiencies in the memory access behavior of the applications. It applies data structure specific analysis and is able to identify performance bottlenecks due to remote memory access on the Altix 4700 ccNUMA supercomputer.
منابع مشابه
Search Strategies for Automatic Performance Analysis Tools
Periscope is a distributed automatic online performance analysis system for large scale parallel systems. It consists of a set of analysis agents distributed on the parallel machine. This article presents the architecture of the node agent and its central part, the search strategy driving the online search for performance properties. The focus is on strategies used to analyze memory access-rela...
متن کاملPeriscope: Advanced Techniques for Performance Analysis
Performance analysis of applications on supercomputers require scalable tools. The Periscope environment applies a distributed automatic online analysis and thus scales to thousands of processors. This article gives an overview of the Periscope system, from the performance property specification, via the search process, to the integration with two monitoring systems. We also present first exper...
متن کاملDistribution of Periscope Analysis Agents on ALTIX 4700
Periscope is a distributed automatic online performance analysis system for large scale parallel systems. It consists of a set of analysis agents distributed on the parallel machine. This article presents the approach taken on the ALTIX 4700 supercomputer at LRZ to distribute the analysis agents and the application processes on to the set of processors assigned to a parallel job by the batch sc...
متن کاملEnergy Efficient Novel Design of Static Random Access Memory Memory Cell in Quantum-dot Cellular Automata Approach
This paper introduces a peculiar approach of designing Static Random Access Memory (SRAM) memory cell in Quantum-dot Cellular Automata (QCA) technique. The proposed design consists of one 3-input MG, one 5-input MG in addition to a (2×1) Multiplexer block utilizing the loop-based approach. The simulation results reveals the excellence of the proposed design. The proposed SRAM cell achieves 16% ...
متن کاملImprovement of the Reliability of Automatic Manufacture Systems by Using FTA Technique
In recent years, Many manufacturing industries for promoting their efficiency have tended to use the automatic manufacturing systems. Expanding automatic systems and to increase their complexity are representing the necessity of studying a proper functional quality and using reliable equipment in such systems more than ever. In this direction, the technique of fault tree analysis (FTA), along w...
متن کامل