Cpu Intensive PowerPoint PPT Presentations

A solution: add CPU reservations to general-purpose OS ... Move CPU-intensive tasks into threads. Make stolen time mechanisms preemptible ...

Maximum CPU utilization obtained with multiprogramming ... CPU scheduling decisions may take place when a process: ... perform CPU-intensive task. Thread.yield ...

Pool of jobs contending for the CPU ... the length of its next CPU burst. ... poor utilization for I/O-intensive applications; fragmentation unnecessary ...

Round ... Example of Multilevel Feedback Queue. Scheduling. A new job enters queue Q0 which ... same priority are scheduled by a round-robin queue. 52. Solaris 9 ...

Chapter 6: CPU Scheduling Basic Concepts Scheduling Criteria Scheduling Algorithms Multiple-Processor Scheduling Real-Time Scheduling Thread Scheduling

FPU runs at half the speed of CPU core. Eden vs Crusoe I ... Both CPUs are not great at graphics intensive or FPU intensive arenas ...

Switching context (h/w assists register windows [sparc]) Switching to user mode ... Operating Systems Examples (Solaris, XP, Linux) Java Thread Scheduling ...

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Workstation Server versions. Expensive WS $465 Server $1500. Supports massive networks ... Workstation start up REINDEX. Need to reindex Server. Re enter notes ...

Extreme Data-Intensive Scientific Computing Alex Szalay The Johns Hopkins University

Communication-intensive heterogeneous real-time systems. Time-driven systems ... CPU. RAM. ROM. ASIC. Hardware Platform. S0. S1. S2. SG. S0. S1. S2. SG. TDMA ...

Comparing CPU Time

Maximum CPU utilization obtained with multiprogramming ... Time slice each queue gets a certain amount of CPU time which it can schedule ...

CSD Vector: An Example Radix = 2. B = 101001, n = 5. To multiply by B. encode it as a radix-2 signed digit E. Multiply by 2 (a shift) 6 (n 1) add/subtract ...

Applied Operating System Concepts. Silberschatz, Galvin, and Gagne ... requires that critical processes receive priority over less fortunate ones. ...

Windows XP scheduling. Linux scheduling. 5.34. Silberschatz, Galvin and Gagne 2005 ... Windows XP Priorities. 5.37. Silberschatz, Galvin and Gagne 2005 ...

Shortest-Job-First (SJF) Scheduling ... Use these lengths to schedule the process with the shortest time. Two schemes: ... Shortest-Remaining-Time-First (SRTF) ...

This is the scheduling of user-level threads. This is called process-contention scope ... FIFO queue is used if there are multiple threads with the same priority. 5.49 ...

... tasks Relevant to commodity computing Migration, the cloud ... with remote computing resources VM-based app migration is ... an Agent s virtual disk ...

... 1, each successive term has less weight than its predecessor ... The Gantt chart is: Typically, higher average turnaround than SJF, but better response. ...

Joint HKU/CUHK/CPU Academic Seminar on After SARS: Education and Research Agenda for the Future 2 July 2003 Economic Recovery Group Economics of SARS in ...

weight of past history, where 0 = = 1 (can adjust) ... The Gantt chart is: Typically, higher average turnaround than SJF, but better response time (each ...

University of Notre Dame. NSF Bridges to Engineering 2020 Conference. 12 March 2008 ... We design and build distributed systems that helps people to attack BIG ...

Data Grids. Data grid differs from: ... Gridware manages the resources for Grids. Methods of Grid Computing. Distributed Supercomputing ...

This switching of context - is central to the smooth running of a computing environment! ... Often occurs due to an I/O request from the running process, or ...

Load averages, CPU user, system, idle percentages, network bandwidth, cache hit ... to different factors: CPU intensive, communication intensive, I/O intensive jobs ...

Optimize memory, disk, and CPU performance. Monitor system performance ... CPU PERFORMANCE. CPU-intensive applications need faster CPUs ...

Literature Review High Speed 3D Tomography on CPU, GPU, and FPGA Nicolas GAC, St phane Mancini, Michel Desvignes, Dominique Houzet Reconfigurable MPSoC versus GPU:

CA-RAM: A High-Performance Memory Substrate for Search-Intensive Applications Sangyeun Cho, J. R. Martin, R. Xu, M. H. Hammoud and R. Melhem Dept. of Computer Science

Korea, Pakistan, Malaysia, Singapore, Taiwan, North America. Grid nodes US and. Canadian Nodes ... when was the Bill Clinton and Monica Lewinsky story first exposed. ...

Parrot: Transparent User-Level Middleware for Data-Intensive Computing Douglas Thain Condor Project, University of Wisconsin Workshop on Adaptive Grid Middleware

Applications of Parrot. Interactive Browsing. tcsh, tar, gzip, make, ... Parrot: Coding began in May of 2003. Works reliably with almost everything in /usr/bin. ...

Client should be customized for interactive display-intensive tasks. Server should provide CPU-intensive operations. Scalability ...

Memory Intensive: Internal database grows overwhelming RAM. CPU intensive: 100% CPU load ... CPU count or timeout may not be fulfilled. CPU count: too large ...

Scalability of cpu farms needed for cpu intensive processing ... build high quality components (manpower intensive) ... Embark on intensive training programme ...

Transparent User-Level Middleware. for Data-Intensive Computing ... Software, manuals, more info: http://www.cs.wisc.edu/condor/parrot. The Condor Project: ...

Very long and CPU intensive. Method. Telescope. xt,yt, Slicer. xs,ys. Slit. xf,yf. prism ... CPU intensive : not appropriate for physics simulation ...

A Low-Cost Parallel Queuing System for Computationally Intensive Problems ... Can be ascertained empirically during development ...

Near native performance for CPU intensive workloads. The major tradeoff ... CPU Virtualization. H/w interrupt. Interrupt reasserted. I/O Virtualization ...

Virtual teams, communities, enterprises and organizations that use specific ... [Paraphrased from NSF Blue Ribbon Panel report, 2003] ...

... (many petabytes) Radiation Oncology (real-time display of 3-D images) X-ray crystallography ... Integrated catalog and image databases. Spectra of selected ...

Database management techniques are needed to meet the above requirements ... CPU intensive. Competes with other CPU intensive DBMS tasks. May slow down the DBMS ...

Drives need for powerful linked resources: 'Data Grids' Computation Massive, distributed CPU. Data storage and access Distributed hi-speed disk and tape ...

Inefficient routing large routing tables, routing processes very CPU intensive ... CPU and memory intensive. Faster-converging. Less bandwidth-consuming. Very ...

LIGO, GEO, VIRGO. Time-dependent 3-D systems (simulation & data) ... standard man. NSF Meeting (Apr. 15, 2003) Paul Avery. 10. LHC Data Rates: Detector to Storage ...

Auto-tuning Sparse Matrix-Vector Multiplication (SpMV) ... you trade free (always pay for it) cache-coherency traffic for additional memory ...

LIGO, GEO, VIRGO, TAMA. Time-dependent 3-D systems (simulation & data) ... standard man. University of Michigan (May 8, 2003) Paul Avery. 14 ...

CPU scheduling more complex when multiple CPUs are available ... thread runs on the CPU until it (1) blocks, (2) ... perform CPU-intensive task. Thread.yield ...

software: exploiting the occurences of (pseudo) non deterministic external events ... HAVEG is CPU intensive ... One CPU second worth recommended per phase ...

Compression can be CPU or memory intensive. ... Stacker and MPPC are more CPU intensive and less memory intensive. Memory intensive means that an extra memory ...

Hadoop: A Software Framework for Data Intensive Computing Applications Ravi Mukkamala Department of Computer Science Old Dominion University Norfolk, VA, USA

Extremely CPU intensive. Bin-trees (e.g. [Lindstrom et al 96] ... Still CPU intensive. Bin-tree Regions (e.g. [Cignoni et al 03]) Precomputed regions ...

... job lower when running intensive jobs so that others can use the CPU too with ... When running memory-intensive jobs, avoid requiring swap (virtual memory ...

SONPROC = executing on a CPU. SSTOP = stopped for debugger ... Interactive or CPU-intensive. Time spent on CPU. Time waited in dispatch queue. Memory usage ...

(1) Understand how an intruder gained ... An attacker may run a CPU-intensive program to trigger a race condition ... 14-35% overhead for kernel-intensive loads ...