CS533 Modeling and Performance Evaluation of Network and Computer Systems Group Work Index of Central Tendency What Index of Central Tendency should be used to report?
Basics (3 of 3) Quantile: The x value of the CDF at. Denoted x , so F(x ... Percentiles/Quantile. Similar to range. Value at express percent (or fraction) ...
Or, may have system but want to evaluate wide-range of workloads. Simulation ... Adding manpower to a late software project makes it later. - Fred Brooks. 9 ...
A series of small tasks to get you in the mode for measuring and reporting ... that they would be processing anyways, without seeing any other traffic on the network. ...
... denotes any workload used in performance study ... Can have measurement data built in. Still, does not necessarily make representative memory or disk accesses ...
Modeling and Performance Evaluation of Network and Computer Systems ... Analytic modeling coarse (if it turns out to be accurate, even the analysts are surprised! ...
There are, of course, in-between choices... (Ch 19, but leads to ... Multiply column entries by yi and sum. Dived each by 4 to give weight in regression model ...
Timer interrupt fixed intervals. If sampling counter, beware of overflows. 12 ... Scope to allow zoom or whole system. 27. Interpretation and Console ...
Many components needed to make accurate modeling expensive ... To increase load, can add users, decrease think time, or increase resource demanded per user ...
CS533 Modeling and Performance Evaluation of Network and Computer Systems Workload Characterization Techniques (Chapter 6) Workload Characterization Techniques Want ...
Shows (range, median, quartiles) all in one: Variations: minimum. maximum. quartile ... If one system is better by all measures, a ratio game won't (usually) work ...
Compile large software system. Run large simulation. Perform numerous database transactions ... CPU type and speed. memory size. cache levels and sizes ...
A Fast File System for Unix Marshall K. Mckusick, William N. Joy, Samual J. Leffler and Robert S. Fabry Computer Systems Research Group, UCB Presented By:
Clustering is a widely used approach throughout AI (NLP, machine learning, etc. ... Clustering is based on the idea that we can collect objects in the data ...
... approach, combined with flashing image (what's optimal). Scaling ... Can faces be identified when flashed at a rate of 16 images per second? Conclusion ...
... of 'on(A,B)' in a problem with 'prop1' (and so on for other propositions) ... prop1. Goal. 17. STRIPS Action Schemas. PutDown(x,y): PRE: { holding(x), clear(y) ...
Experiences and Processes and Monitors with Mesa, Computer Science, Portland ... James Gosling in early 1990s without threads. Use most of the Pthreads primitives ...
... Architecture is the science and art of selecting and interconnecting hardware ... (1) instruction set architecture (ISA), (2) pipelining, (3) memory hierarchy, (4) ...