'Read operation' diaporamas de présentation

CONSISTENCY AND REPLICATION

CONSISTENCY AND REPLICATION. DATA-CENTRIC CONSISTENCY MODELS. consistency has been discussed in the context of read and write operations on shared data, available by means of (distributed) shared memory. A (distributed) shared database, or a (distributed) file system.

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Transaction Manager

Transaction Manager. Concurrency Control Recovery Management. Transactions A transaction is a unit of program execution that accesses and possibly updates various data items. [ A transaction program is a collection of operations that form a single unit of work.]

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Sub-threshold Sense Amplifier (SA) Compensation Using Auto-zeroing Circuitry

Sub-threshold Sense Amplifier (SA) Compensation Using Auto-zeroing Circuitry. Peter Beshay Department of Electrical Engineering University of Virginia, Charlottesville. 01/21/2014. Outline. Motivation Introduction DAZ Circuit 16kB SRAM Chip Measurements Conclusion. Motivation.

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Microprocessor Architecture

Microprocessor Architecture. Microprocessor Architecture. The microprocessor can be programmed to perform functions on given data by writing specific instructions into its memory.

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Consistency and Replication

Consistency and Replication. Chapter 6. Release Consistency (1). A valid event sequence for release consistency. Use acquire/release operations to denote critical regions. Can also use a barrier synchronization. Release Consistency (2). Rules:

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Programmable Interval Timer - 8254

Programmable Interval Timer - 8254. Prepared By: Prof. M. B. Salunke SITS, Narhe, Pune - 41. E-mail: msalunke@gmail.com. Features. Three Independent 16-Bit Counters, Clock input upto 10 MHz, Status Read-Back Command, Six Programmable Counter Modes, Binary or BCD Counting,

825 views • 36 slides

Cross Cluster Migration

Cross Cluster Migration. Remote access support Adianto Wibisono supervised by : Dr. Dick van Albada Kamil Iskra, M. Sc. Outline. Introduction Dynamic load balancing, process migration Dynamite Problem formulation, Dynamite towards the Grid GASS How it works, operations supported

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Computer System Overview

Computer System Overview. Chapter 1. An Operating System makes the computing power available to users by controlling the hardware Let us review the aspects of computer hardware which are important for the OS. Basic Components. Processor (CPU) Main Memory (aka real memory, aka primary memory)

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Computer System Overview

Computer System Overview. B.Ramamurthy Chapter 1 (Adapted from slides of M.Marchand of University Of Ottawa). Basic Elements. Processor: control unit and registers Register : User visible, control and status registers

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Lecture 17 Replication & Consistency

Lecture 17 Replication & Consistency Last time: Replication issues? Updating replicas Consistency (how to deal with updated data) (luckily) applications do not always require strict consistency How are updates distributed? Replica management How many replicas? Where to place them?

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Device Management

Device Management. OS as a resource manager Applications request services of devices Generic device manager as framework Specific device drivers plug into framework Device driver code on CPU talks to bus Messages over bus hit device controller Device controller talks to actual device.

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More Hashing

More Hashing. Hashing Part Two Better Collision Resolution. Small parts of this material stolen from "File Organization and Access" by Austing and Cassel. Recap of Last Class. Hash function converts key to file address Collision is when two or more keys hash to the same address

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Memory device

Memory device. Introduction. Random-Access Memory (RAM) Sequential-Access Memory (SAM) Read/Write Memory (RWM) Read-Only Memory Static Memory Device Dynamic Memory Device Internal Memory Mass Memory. Memory Cell Memory Word Byte Capacity Address Read Operation Write Operation

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ARM Serial Wire Debug (SWD) & Debug Access Port (DAP)

ARM Serial Wire Debug (SWD) & Debug Access Port (DAP). A quick overview! ( Be warned you may need to read the Manual ). Presentation Overview. What is SWD and the DAP? SWD Write Operations SWD Read Operations. SWD and DAP. Embedded Core Debug Functionality System Debug Functionality.

1.05k views • 14 slides

Lecture#11

Lecture#11. M. Mateen Yaqoob The University of Lahore Spring 2014. Design of a basic computer. The basic computer consists of: Memory unit with 4096 ( 4KB) words of 16 bits each Nine registers: AR, PC, DR, AC, IR, TR, OUTR, INPR and SC Seven flip-flops: I, S, E, R, IEN, FGI and FGO

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