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Final 736 Presentations Held all day in 4310 Computer Sciences Session I: Marathon Potpourri Cindy "Static Analysis of File Systems" 9:30 - 10:00 Gwen & Marc "Cache-Footprint-based Scheduling" 10:00 - 10:30 Sharad & Shravan "Lottery meets Wireless" 10:30 - 11:00 Zhenxiao "Range Writes: The Original" 11:00 - 11:30 Josh & Adeel "Corrupting DBMSs" 11:30 - 12:00 Break 12:00 - 12:30 Session II: File System Performance, Corruption, and More Performance Rokas & Mayank "Range 2: Writes Range Harder" 12:30 - 1:00 Asim & Abhishek "Corrupting ZFS" 1:00 - 1:30 Swami & Sriram "Untangling ZFS Performance" 1:30 - 2:00 Break 2:00 - 2:30 Session III: File System Scalability, Reliability, Searchability, and Speed Jianming "File System Scalability" 2:30 - 3:00 Rini "Shining the Spotlight on Spotlight" 3:00 - 3:30 Brian & Kynan "Deconstructing ZFS RAID" 3:30 - 4:00 Ashok & Sayandeep "Fast Log Writes using Disk Mimic" 4:00 - 4:30
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Wisconsin >> CS >> 736 (Spring, 2000)
System calls in modern operating systems give programmers the ability to access and manipulate system-level objects. Example objects are files and processes, and example system calls are read, write, and fork. Thus, the operating comes with a predefi...
Wisconsin >> CS >> 537 (Spring, 2001)
UNIVERSITY of WISCONSIN-MADISON Computer Sciences Department CS 537 Introduction to Operating Systems Andrea C. Arpaci-Dusseau Remzi H. Arpaci-Dusseau Implementing Locks Questions answered in this lecture: Why use higher-level synchronization primit...
Wisconsin >> CS >> 537 (Spring, 2001)
UNIVERSITY of WISCONSIN-MADISON Computer Sciences Department CS 537 Introduction to Operating Systems Andrea C. Arpaci-Dusseau Remzi H. Arpaci-Dusseau I/O System: Disks Questions answered in this lecture: What are the layers of the I/O systems? How ...
Wisconsin >> CS >> 537 (Spring, 2001)
UNIVERSITY of WISCONSIN-MADISON Computer Sciences Department CS 537 Introduction to Operating Systems Andrea C. Arpaci-Dusseau Remzi H. Arpaci-Dusseau Memory Management Questions answered in this lecture: How do What is What is What is processes sha...
Wisconsin >> CS >> 537 (Spring, 2001)
UNIVERSITY of WISCONSIN-MADISON Computer Sciences Department CS 537 Introduction to Operating Systems Andrea C. Arpaci-Dusseau Remzi H. Arpaci-Dusseau Memory Management Continued Questions answered in this lecture: What is paging? How can segmentati...
Wisconsin >> CS >> 537 (Spring, 2001)
UNIVERSITY of WISCONSIN-MADISON Computer Sciences Department CS 537 Introduction to Operating Systems Andrea C. Arpaci-Dusseau Remzi H. Arpaci-Dusseau Page Replacement in Real Systems Questions answered in this lecture: How can the LRU page be appro...
Wisconsin >> CS >> 537 (Spring, 2001)
UNIVERSITY of WISCONSIN-MADISON Computer Sciences Department CS 537 Introduction to Operating Systems Andrea C. Arpaci-Dusseau Remzi H. Arpaci-Dusseau Introduction and Overview Questions answered in this lecture: What is an operating system? How hav...
Wisconsin >> CS >> 537 (Spring, 2001)
UNIVERSITY of WISCONSIN-MADISON Computer Sciences Department CS 537 Introduction to Operating Systems Andrea C. Arpaci-Dusseau Remzi H. Arpaci-Dusseau Processes Questions answered in this lecture: What is a process? How does the dispatcher context-s...
Wisconsin >> CS >> 537 (Spring, 2001)
UNIVERSITY of WISCONSIN-MADISON Computer Sciences Department CS 537 Introduction to Operating Systems Andrea C. Arpaci-Dusseau Remzi H. Arpaci-Dusseau Virtual Memory: Working Sets Questions answered in this lecture: How to allocate memory across com...
Wisconsin >> CS >> 537 (Spring, 2001)
Address Translation with Paging Case studies for X86, SPARC, and PowerPC Overview Page tables What are they? (review) What does a page table entry (PTE) contain? How are page tables organized? Making page table access fast Caching entries Tr...
Wisconsin >> CS >> 537 (Spring, 2001)
UNIVERSITY of WISCONSIN-MADISON Computer Sciences Department CS 537 Introduction to Operating Systems Andrea C. Arpaci-Dusseau Remzi H. Arpaci-Dusseau Synchronization Questions answered in this lecture: Why is synchronization necessary? What are rac...
Wisconsin >> CS >> 537 (Spring, 2001)
* Relocation * Our first attempts at virtualizing memory will be very simple, almost laughably so. Go ahead, laugh all you want. Pretty soon it will be the OS laughing as you try to understand the nine thousand things that happen on a page fault, s...
Wisconsin >> CS >> 537 (Spring, 2001)
* Paging * Remember our goal: to virtualize memory. Segmentation (a generalization of dynamic relocation) helped us do this, but has some problems; in particular, managing free space becomes quite a pain as memory becomes fragmented. Thus, we\'d lik...
Wisconsin >> CS >> 537 (Spring, 2001)
8920 venue bulked hexadecimals 86151 tomboyishness squirreling pulped chaebol agreeableness acarines unhurt arterially precutting graduate calcination propositi stenobath -40978 stillborn casino varies 65203 zygosity stolons -58324 off unbraiding 745...
Wisconsin >> CS >> 537 (Spring, 2001)
* Monitors * Around the time concurrent programming was becoming a big deal, object-oriented programming was also gaining ground. Not surprisingly, people started to think about ways to merge synchronization into a more structured programming envir...
Wisconsin >> CS >> 537 (Spring, 2001)
* Sun\'s Network File System * One of the first uses of distributed client/server computing was in the realm of distributed file systems. In such an environment, there are a number of client machines and one server (or a few); the server stores the ...
Wisconsin >> CS >> 537 (Spring, 2001)
* Journaling * Let\'s say we are trying to append a block to an existing file. For simplicity, let\'s assume we are using an FFS-like file system. Before we do this write, the file is on disk in the form of an inode, one (or more) existing data bloc...
Wisconsin >> CS >> 537 (Spring, 2001)
* The Andrew File System (AFS) * The Andrew File System was introduced by researchers at Carnegie-Mellon University (CMU) in the 1980\'s [1]. Led by the well-known Professor M. Satyanarayanan of Carnegie-Mellon University (\"Satya\" for short), the ma...
Wisconsin >> CS >> 537 (Spring, 2001)
* Virtual Machine Monitors * Years ago, IBM sold mainframes to large organizations, and a problem arose: what if the organization wanted to run different operating systems on the machine? (some applications were developed on one OS, and some on oth...
Wisconsin >> CS >> 537 (Spring, 2001)
[FASTER PAGING WITH HARDWARE SUPPORT: THE TLB] When we want to make things fast, the OS needs some help. And help usually comes from one place: the hardware. Here, to speed address translation, we are going to add what is called (for historical rea...
Wisconsin >> CS >> 537 (Spring, 2001)
* Locks (continued) * To go beyond Peterson\'s algorithm and to build a working lock, we will need some help from our old friend, the hardware. Over the years, a number of different hardware primitives have been added to the instruction sets of vari...
Wisconsin >> CS >> 537 (Spring, 2001)
array of integers: 0 0 0 0 0 0 0 0 0 0 T0 T1 T2 T3 . T9 T10 T11 T12 . ...
Wisconsin >> CS >> 537 (Spring, 2001)
Error in line 22: Line too long Error in line 31: Line too long Error in line 35: Line too long Error in line 37: Line too long Error in line 38: Line too long Error in line 68: Line too long Error in line 69: Line too long Error in line 76: Line too...
Wisconsin >> CS >> 537 (Spring, 2001)
RAID: Redundant Array of Inexpensive/Independant Disks Why use multiple disks? - Performance: parallel access - Reliability: can handle a disk failure - Capacity: need more disks to store more data What is a RAID? - Hardware RAID: a box you attach...
Wisconsin >> CS >> 537 (Spring, 2001)
#include <stdio.h> #include <unistd.h> #include <fcntl.h> #include <stdlib.h> #include <errno.h> #include <sys/types.h> #include <sys/stat.h> #define MAX_LINE 80 int main(int argc, char* argv) { char line[MAX_LINE]; int pipe; / open...
Wisconsin >> CS >> 540 (Fall, 2002)
Since it can be a little confusing following all their variations, here is a summary of the three \"documents of English text\" models we discussed in class this week. At the end is a simple worked example, to which I applied all three representations...
Wisconsin >> CS >> 552 (Fall, 2008)
Here\'s a solution to the midterm with some of the questions summarized: 1. Lookahead adder design a) G\'(3) = G\'(12) * P\'(13) * P\'(14) * P\'(15) + G\'(13) * P\'(14) * P\'(15) + G\'(14) * P\'(15) + G\'(15) P\'(2) = P\'(11) * P\'(10) * P\'(9) * P\'(8) C(20) = G\'(4...
Wisconsin >> CS >> 525 (Fall, 2008)
% Finding primal-dual solution of the example in Sec 4.3 % using primal simplex method (phase I - phase II) % SJW 3/1/09 A=[3 0; 2 4; 2 5]; b=[6 10 8]\';p=[50 80]\'; T=totbl(A,b,p); x1 x2 1 -- x3 = | 3.0000 ...
Wisconsin >> CS >> 252 (Fall, 2009)
Introduction to Computer Engineering CS/ECE 252, Fall 2007 Prof. Mark D. Hill Computer Sciences Department University of Wisconsin Madison Chapter 4 The Von Neumann Model Copyright The McGraw-Hill Companies, Inc. Permission required for reproduct...
Wisconsin >> CS >> 252 (Fall, 2009)
Introduction to Computer Engineering CS/ECE 252, Spring 2007 Prof. Mark D. Hill Computer Sciences Department University of Wisconsin Madison Chapter 7 & 9.2 Assembly Language and Subroutines Copyright The McGraw-Hill Companies, Inc. Permission re...
Wisconsin >> CS >> 252 (Fall, 2009)
Introduction to Computer Engineering CS/ECE 252, Fall 2007 Prof. Mark D. Hill Computer Sciences Department University of Wisconsin Madison Chapter 7 & 9.2 Assembly Language and Subroutines Copyright The McGraw-Hill Companies, Inc. Permission requ...
Wisconsin >> CS >> 252 (Fall, 2009)
Introduction to Computer Engineering CS/ECE 252, Spring 2007 Prof. Mark D. Hill Computer Sciences Department University of Wisconsin Madison Chapter 1 Welcome Aboard Slides based on set prepared by Gregory T. Byrd, North Carolina State University ...
Wisconsin >> CS >> 252 (Fall, 2009)
Introduction to Computer Engineering CS/ECE 252, Spring 2007 Prof. Mark D. Hill Computer Sciences Department University of Wisconsin Madison Chapter 5 The LC-3 Copyright The McGraw-Hill Companies, Inc. Permission required for reproduction or disp...
Wisconsin >> CS >> 252 (Fall, 2009)
Introduction to Computer Engineering CS/ECE 252, Spring 2007 Prof. Mark D. Hill Computer Sciences Department University of Wisconsin Madison Chapter 8 & 9.1 I/O and Traps Copyright The McGraw-Hill Companies, Inc. Permission required for reproduct...
Wisconsin >> CS >> 252 (Fall, 2009)
Introduction to Computer Engineering CS/ECE 252, Spring 2007 Prof. Mark D. Hill Computer Sciences Department University of Wisconsin Madison Chapter 6 Programming Copyright The McGraw-Hill Companies, Inc. Permission required for reproduction or d...
Wisconsin >> CS >> 252 (Fall, 2009)
Lecture7eg1.asm: ; ; Program to multiply a number by the constant 6 ; .ORIG x3050 LD R1, SIX LD R2, NUMBER AND R3, R3, #0 ; Clear R3. It will ; contain the product. ; The inner loop ; AGAIN ADD R3, R3, R2 ADD R1, R1, #-1 ; R1 keeps track of BRp AGAIN...
Wisconsin >> CS >> 354 (Fall, 2009)
CS/ECE 354 Interrupt Kernel Structure Original Version by Mark D. Hill 14 Nov 2001 Caveats: Ignores exceptions beyond syscalls and interrupts. Ignores printing, errors, warnings, dumping, and halting. Revisions: <none yet> _k_handleSys syscall master...
Wisconsin >> CS >> 552 (Fall, 2008)
From: \"Mark D. Hill\" Subject: Instructions for 1st CS/ECE 552 Lecture Dear CS/ECE 552 Class: For our first class Tue Sep 5, I recommend that you examine the course home page (http:/www.cs.wisc.edu/~markhill/cs552/Fall2006/) and: * Print out: +...
Wisconsin >> CS >> 752 (Fall, 2006)
SimpleScalar v3.0 Tutorial U. of Wisconsin, CS752, Fall 2004 Andrey Litvin (main source: Austin & Burger) (also Dana Vantrease\' slides) Simulator Basics What is an architectural simulator? Tool that reproduces the behavior of a computing device ...
Wisconsin >> CS >> 752 (Fall, 2006)
From: \"Mark D. Hill\" Subject: Instructions for 1st CS/ECE 752 Lecture Dear CS/ECE 752 Class: For our first class Wed Jan 18, I recommend that you examine the course home page (http:/www.cs.wisc.edu/~markhill/cs752/Spring2006/) and: * Print out: ...
Wisconsin >> CS >> 701 (Fall, 2008)
Bought Sold Gain/Loss Date Shares Cost Date Shares Price 1/30/86 136.893 15.72 7/10/89 136.893 14.61 -151.951 1/30/86 53.947 15.72 10/30/96 53...
Wisconsin >> CS >> 538 (Fall, 2008)
Prolog day2 4-14-00 Programs are comprised of 1. facts : specification of a relation Relation is a name predicate, variable or constant Predicate naming relationship -Constants start with lower case eg. inOrder([]). *NOTE* ...
Wisconsin >> CS >> 536 (Fall, 2008)
/* CS 536 Java Cup Example: This is the main program to test the Java Cup example. This main program is essentially the same as the P3.java file provided for you in Program 3. There should be 2 command-line arguments: 1. the file to be pa...
Wisconsin >> CS >> 536 (Fall, 2008)
# # This Makefile can be used to make a parser for the addition example # (parser.class) and to make a program (JavaCupEx.class) that tests # the parser and the unparse methods in ast.java. # # make clean removes all generated files. # # JavaCupEx....
Wisconsin >> ECE >> 539 (Fall, 1997)
NCAA Basketball Ranking With a Neural Network. By Erik O\'Connor Copyright 2000 Outline Problem Current Attacks My Approach MLP with Back Propagation Inputs Used Data used Tests preformed Results Conclusion Sources Problem There are a gre...
Wisconsin >> ECE >> 539 (Fall, 1997)
ANN Approach to Revenue or Profit Estimation University of Wisconsin-Madison By Charles A. Clark 1 Initial Design Considerations Initially, I attempted to create a ANN that would predict future stock prices based upon: Previous Stock Growth Pe...
Wisconsin >> ECE >> 539 (Fall, 1997)
ANN Approach to Speculate Stock Performance for Inter-Day Traders ECE 539 Chris Churas 5/05/2000 Outline Problem Description Data Acquisition Method Overview Neural Network Design ANN Inputs & Outputs Performance and Results Conclusions Prob...
Wisconsin >> ECE >> 539 (Fall, 1997)
Notes . The entire package is put into the file cascor1.c . twospirals and cascor are two executable program compiled for HP9000. do NOT download to other machines! . all three files ended with extension \"net\" are data files. . \"howto compil...
Wisconsin >> ECE >> 539 (Fall, 1997)
ECE 539 - Project - Proposal By Patrick Kaltjob Title: A Sliding Mode Control Strategy for Adaptive Learning in Real-Time of Distributed Decision- Making System: examples of the train collision avoidance system and the scheduling of the produ...
Wisconsin >> ECE >> 539 (Fall, 1997)
Title: - Using an artificial neural network (ANN) in a communications channel to overcome the effects of non-linearity Antoine Choffrut <choffrut@cae.wisc.edu> Description of the problem: - Power amplifiers (PA) (used for instance in inter-satelli...
Wisconsin >> ECE >> 539 (Fall, 1997)
9.5012929e-001 5.8279168e-001 2.3113851e-001 4.2349626e-001 6.0684258e-001 5.1551175e-001 4.8598247e-001 3.3395148e-001 8.9129897e-001 4.3290660e-001 7.6209683e-001 2.2594987e-001 4.5646767e-001 5.7980687e-001 1.8503643e-002 7...
Wisconsin >> ECE >> 539 (Fall, 1997)
Yu Hen Hu 5/13/09 ECE/CS/ME 539 Introduction to Artificial Neural Networks and Fuzzy Systems Homework #2 This homework covers the following topics: Multi-layer perceptron, pattern classification 1. (25 points) Error Back-propagation learning Downl...
Wisconsin >> ECE >> 539 (Fall, 1997)
Yu Hen Hu 5/13/09 ECE/CS/ME 539 Introduction to Artificial Neural Networks and Fuzzy Systems Homework #4 This homework covers the following topics: time series modeling, system identification, control, expert system, fuzzy-logic inference. For der...
Wisconsin >> ECE >> 539 (Fall, 1997)
Yu Hen Hu 5/13/09 ECE/CS/ME 539 Introduction to Artificial Neural Networks and Fuzzy Systems Homework #3 This homework covers the following topics: support vector machine, clustering (SOM, Gaussian mixture), radial basis network 1. (35 points) sup...
Wisconsin >> ECE >> 539 (Fall, 1997)
10 -40 0 10 -50 0 10 -60 0 10 -70 0 10 -80 0 10 -90 0 20 -40 0 20 -50 0 20 -60 0 20 -70 0 20 -80 0 20 -90 0 30 -40 0 30 -50 0 30 -60 0 30 -70 0 30 -80 0 30 -90 0 40 -40 0 40 -50 0 40 -60 0 40 -70 0 40 -80 0 40 -90 0 50 -40 0 ...
Wisconsin >> ECE >> 539 (Fall, 1997)
0.40840 -0.30771 0.12103 1 0.21763 0.16043 0.33864 1 0.33924 -0.08057 -0.22691 1 -0.34639 -0.42631 -0.05584 0 -0.26069 -0.37808 0.08736 0 -0.11603 -0.18070 -0.33855 0 -0.46466 0.39118 0.09555 1 0.12989 -0.41226 -0.22869 ...
Wisconsin >> ECE >> 539 (Fall, 1997)
0.72 0.62 0.24 0.15 0.16 0.15 0.15 0.19 0.21 0.27 0.25 0.23 0.2 0.19 0.15 0.15 0.15 0.15 0.15 0.16 0.2 0.2 0.16 0.15 0.2 0.2 0.2 0.2 0.2 0.2 0.15 0.2 0.16 0.13 0.11 0.12 0.17 0.15 0.38 0.56 0.41 0.36 0.28 0.29 0.31 0.2 0.09 0.11 0.1 0.08 0.08 0.09 0....
Wisconsin >> ECE >> 539 (Fall, 1997)
-0.5945 0.2472 -0.0580 -0.3308 -0.0318 -0.3191 0.1291 -0.5411 0.1592 -0.4312 0.3330 -0.5266 0.3535 -0.4414 0.5344 -0.2876 0.5597 -0.0432 0.6044 -0.1082 ...
Wisconsin >> ECE >> 539 (Fall, 1997)
Software Implementation of Conjugate Gradient Method for Supervised MLP Learning michael mooney Matlab implementation of nonlinear conjugate gradient method, useful for large scale problems. Comparison of conjugate gradient training to back prop. ...
Wisconsin >> ECE >> 539 (Fall, 1997)
/* This is Scott Fahlman\'s quickprop program translated from Common Lisp * into C by Terry Regier at the University of California, Berkeley. * Netmail address: regier@cogsci.berkeley.edu * This version is Quickprop 1 from September, 1988. * * An...
Wisconsin >> ECE >> 539 (Fall, 1997)
Gender Classification Using a Neural Network Michael Gibson <mcgibso3@students.wisc.edu> The Problem: Determine the gender of a subject from an image of the subject. The Approach: I will use a backpropagation neural network as the classifier of...
Wisconsin >> ME >> 363 (Fall, 2008)
Pipe U-Bend FLUENT Example Jason Oakley, Spring 2007 Minor edits by Scott Sanders, Spring 2007 Problem statement: Determine the force in the x-direction on a u-bend for pipe carrying water. The pipe has a square cross-section with sides of 75.5 mm. T...
Wisconsin >> ME >> 363 (Fall, 2008)
Homework #7 Due October 22, 2007 ME 363 - Fluid Mechanics Fall Semester 2007 1] A three-arm lawn sprinkler receives water through a central hub at 2.7 m3/h. The water discharges at an angle of with respect to the tangential direction, i.e. = 0 me...
Wisconsin >> ME >> 363 (Fall, 2008)
Homework #5 Due October 10, 2007 ME 363 - Fluid Mechanics Fall Semester 2007 1] When an elongated cylinder is placed in a uniform flow, a broad, low-velocity wake develops downstream, idealized as a V-shape. The height of the V-shape zone is 4L. Pr...
Wisconsin >> ME >> 363 (Fall, 2008)
Name _ ME363 Exam 1 / Spring 2007 Honor Statement: Signed:_ 1 Name _ Concept Questions: Problem 1: Problem 2: /40 _/30 /30 Total: /100 2 Name _ For the Concept Questions, please the correct answer. Given the following diagram for the de...
Wisconsin >> ME >> 363 (Fall, 2008)
Name _ ME363 Exam 2 / Spring 2007 Honor Statement: Signed:_ 1 Name _ Concept Questions: Problem 1: Problem 2: /40 _/25 /35 Total: /100 2 Name _ For the Concept Questions, please the correct answer. Consider conservation of angular momen...
Wisconsin >> ME >> 363 (Fall, 2008)
Name _ ME363 Exam 3 / Spring 2007 Honor Statement: Signed:_ 1 Name _ Concept Questions: Problem 1: Problem 2: Problem 3: Problem 4: /40 _/15 /15 _/15 /15 Total: /100 2 Name _ For the Concept Questions, please the correct answer. Imagine...
Wisconsin >> ME >> 363 (Fall, 2008)
Name _ ME363 Exam 1/Fall 2006 Honor Statement: Signed:_ 1 Name _ Concept Questions: Problem 1: Problem 2: Total: /40 _/30 /30 /100 2 Name _ For the Concept Questions, please circle the correct answer. \"definition of fluid\" A fluid is: a) A s...
Wisconsin >> ME >> 363 (Fall, 2008)
External flow homework B The plot below represents the solution to \"External flow homework A\". On this plot, label as \"T\" the approximate position where the boundary layer transitions from laminar to turbulent. See bottom of page 411 for help if you ...
Wisconsin >> ME >> 770 (Fall, 2008)
Overview of Scientific Imaging using CCD Arrays Jaal Ghandhi Mechanical Engineering Univ. of WisconsinMadison Detector Architecture ChargeCoupled Device (CCD) High quantum efficiency Low noise High dynamic range High uniformity Photodiode Ar...
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