'Critical regions' presentation slideshows

Processes and Threads

Processes and Threads. 2.1 Processes 2.2 Threads 2.3 Interprocess communication 2.4 Classical IPC problems 2.5 Scheduling. Chapter 2. Processes The Process Model. Multiprogramming of four programs Conceptual model of 4 independent, sequential processes

1.26k views • 100 slides

Unbounded Transactional Memory

C. Scott Ananian, Krste Asanovi?, Bradley C. Kuszmaul, Charles E. Leiserson, Sean Lie Computer Science and Artificial Intelligence Laboratory Massachusetts Institute of Technology {cananian,krste,bradley,cel}@mit.edu, sean@slie.ca Thanks to Marty Deneroff (then at SGI)

880 views • 67 slides

Processes and Threads

Processes and Threads. 2.1 Processes 2.2 Threads 2.3 Interprocess communication 2.4 Classical IPC problems 2.5 Scheduling. Chapter 2. Processes The Process Model. Multiprogramming of four programs Conceptual model of 4 independent, sequential processes

667 views • 55 slides

Processes

Processes. 2.1 Processes 2.3 Interprocess communication 2.4 Classical IPC problems 2.5 Scheduling. Chapter 2. Processes The Process Model. Multiprogramming of four programs Conceptual model of 4 independent, sequential processes Only one program active at any instant. Process Termination.

612 views • 43 slides

Threads

Threads. CSCE 351: Operating System Kernels Witawas Srisa-an Chapter 4-5. Threads The Thread Model (1). (a) Three processes each with one thread (b) One process with three threads. The Thread Model (2). Items shared by all threads in a process Items private to each thread.

616 views • 43 slides

Controlling access by concurrent processes to shared writeable data has been studied

Classical concurrency control: topic overview 1 In these lectures we consider shared writeable data in main memory. Controlling access by concurrent processes to shared writeable data has been studied as part of OS design since the earliest OSs (1960s onwards).

555 views • 41 slides

Integrated Analytical and Experimental Approach to Precast Concrete Diaphragm Research

596 views • 29 slides

435 views • 25 slides

External Advisory Board

The NHLBI Specialized Center of Clinically Oriented Research (SCCOR) in Pediatric Heart Disease at the Children's Hospital of Philadelphia: P50-HL74731 Program Title: Genetic Mechanisms in Pediatric Heart Disease http://stokes.chop.edu/programs/sccor/ Program Director: Robert J. Levy, M.D.

363 views • 24 slides

Interprocess Communication

Interprocess Communication. 1. Ways of passing information 2. Guarded critical activities (e.g. updating shared data) 3. Proper sequencing in case of dependencies 2 and 3 apply to threads as well. Race Conditions. Two processes want to access shared memory at the same time.

439 views • 23 slides

A Code Refinement Methodology for Performance-Improved Synthesis from C

A Code Refinement Methodology for Performance-Improved Synthesis from C. Greg Stitt, Frank Vahid*, Walid Najjar Department of Computer Science and Engineering University of California, Riverside Also with the Center for Embedded Computer Systems, UC Irvine.

341 views • 23 slides

A Code Refinement Methodology for Performance-Improved Synthesis from C

A Code Refinement Methodology for Performance-Improved Synthesis from C. Greg Stitt, Frank Vahid*, Walid Najjar Department of Computer Science and Engineering University of California, Riverside Also with the Center for Embedded Computer Systems, UC Irvine.

239 views • 23 slides

Review: What influences confidence intervals?

Review: What influences confidence intervals? . The width of a confidence interval depends on three things ? / confidence level: The confidence level can be raised (e.g., to 99%) or lowered (e.g., to 90%)

476 views • 22 slides

Nicki Harmon, Samantha Hurndon, & Zeb Russo Bioinformatics Lab 10/19/2011

Kwong, P.D., Wyatt, R., Robinson, J., Sweet, R.W., Sodroski, J., Hendrickson, W.A. (1998) Structure of an HIV gp120 envelope glycoprotein in complex with the CD4 receptor and a neutralizing human antibody. Nature 393:648-659. Nicki Harmon, Samantha Hurndon, & Zeb Russo

313 views • 21 slides

Nicki Harmon, Samantha Hurndon, & Zeb Russo Bioinformatics Lab 10/19/2011

Kwong, P.D., Wyatt, R., Robinson, J., Sweet, R.W., Sodroski, J., Hendrickson, W.A. (1998) Structure of an HIV gp120 envelope glycoprotein in complex with the CD4 receptor and a neutralizing human antibody. Nature 393:648-659. Nicki Harmon, Samantha Hurndon, & Zeb Russo

291 views • 21 slides

Processes and Threads Part II

Processes and Threads Part II. 2.1 Processes 2.2 Threads 2.3 Interprocess communication 2.4 Classical IPC problems 2.5 Scheduling. Chapter 2. 2.3 Interprocess Communication 2.3.1 Race Conditions.

350 views • 21 slides

Review

Review. You run a t-test and get a result of t = 0.5. What is your conclusion? Reject the null hypothesis because t is bigger than expected by chance Reject the null hypothesis because t is smaller than expected by chance

308 views • 20 slides

Incoherent pairs and ?? ? hadrons at 500 GeV and 3 TeV WG-6 meeting 17. May 2011

304 views • 19 slides

Operating Systems

Fwd. Left. Right. Back. Operating Systems. Allow the processor to perform several tasks at virtually the same time Ex. Web Controlled Car with a camera Car is controlled via the internet Car has its own webserver ( http://mycar/ )

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Predictive Modeling of Seismicity Sequences in Southern California

222 views • 12 slides