发明申请
- 专利标题: SYSTEM FOR AND METHOD OF CAPTURING APPLICATION CHARACTERISTICS DATA FROM A COMPUTER SYSTEM AND MODELING TARGET SYSTEM
- 专利标题(中): 从计算机系统和建模目标系统获取应用特征数据的系统和方法
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申请号: US11938247申请日: 2007-11-09
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公开(公告)号: US20090125465A1公开(公告)日: 2009-05-14
- 发明人: Erik Berg , Erik Hagersten , Mats Nilsson , Mikael Petterson , Magnus Vesterlund , Hakan Zeffer
- 申请人: Erik Berg , Erik Hagersten , Mats Nilsson , Mikael Petterson , Magnus Vesterlund , Hakan Zeffer
- 主分类号: G06F15/18
- IPC分类号: G06F15/18
摘要:
A system for, method of and computer program product captures performance-characteristic data from the execution of a program and models system performance based on that data. Performance-characterization data based on easily captured reuse distance metrics is targeted, defined as the total number of memory references between two accesses to the same piece of data. Methods for efficiently capturing this kind of metrics are described. These data can be refined into easily interpreted performance metrics, such as performance data related to caches with LRU replacement and random replacement strategies in combination with fully associative as well as limited associativity cache organizations. Methods for assessing cache utilization as well as parallel execution are covered.