Introduction to Embedded Systems
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Embedded systems is a special purpose device that does a particular functionality in a most optimized way. Designed as a combination of custom HW & SW, programming Embedded systems require some special considerations to be taken care. Here is a presentation that gives introduction to embedded systems.
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In this webinar, we will be covering general best practices for running MongoDB on AWS.
Topics will range from instance selection to storage selection and service distribution to ensure service availability. We will also look at any specific best practices related to using WiredTiger. We will then shift gears and explore recommended strategies for managing your MongoDB instance on AWS.
This session also includes a live Q&A portion during which you are encouraged to ask questions of our team.
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Save 10% off ANY FITC event with discount code 'slideshare'
See our upcoming events at www.fitc.ca
OVERVIEW
The presentation will present an overview of the MongoDB NoSQL database, its history and current status as the leading NoSQL database. It will focus on how NoSQL, and in particular MongoDB, benefits developers building big data or web scale applications. Discuss the community around MongoDB and compare it to commercial alternatives. An introduction to installing, configuring and maintaining standalone instances and replica sets will be provided.
Presented live at FITC's Spotlight:MEAN Stack on March 28th, 2014.
More info at FITC.ca
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Single and Multi core processor
Designing for performance.
Performance balance.
single processor and Multi core processor.
Usage of Processors.
Usage of single processor and Multi core Processor.
Processing Techniques.
Moors law
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5_Embedded Systems مختصر.pdf
NOR flash is attractive for storing programs on embedded platforms because:
- NOR flash allows reading at the byte level, making individual instruction fetches very fast (on the order of 120ns). This fast random read speed is important for program execution.
- In contrast, NAND flash only allows reading in larger page sizes like 512 bytes, so each memory access would involve reading a whole page, slowing down instruction fetching.
- While NOR flash has slower write speeds compared to NAND flash (on the order of 520ms for a full erase vs 3.5ms for NAND), program code is typically read-only after being written initially. So the slower write speed of NOR is not as critical as its fast random read capability
operating systemPPT sfgSun< Shg<SKJ <JSg
The document discusses the objectives, functions, and evolution of operating systems. It provides definitions of operating systems and describes what operating systems do from the user and system perspectives. It outlines the key functions of operating systems including memory management, processor management, device management, file management, and security. It also discusses why operating systems need to evolve to accommodate hardware upgrades, new services, and fixes. The evolution of operating systems is summarized from the first to fourth generations as the technology advanced from single-user systems to networks and personal computers.
CISSP - Chapter 3 - CPU Architecture
The document discusses computer architecture and memory. It describes the core components of a CPU like the ALU, control unit, and registers. It explains different memory types like RAM, ROM, and cache and how they work. It also discusses memory mapping and addressing, describing how applications are logically connected to memory segments via a memory manager rather than having direct physical access.
Current and Future of Non-Volatile Memory on Linux
Current and Future of Non-Volatile Memory on Linux given by Keith Busch, Intel Open Source Technology Center
Application Profiling for Memory and Performance
This document discusses application profiling for memory and performance. It explains that as concurrency increases, throughput initially increases but contention can then reduce performance. The key resources that can cause contention are CPU, memory, disk I/O, and network I/O. Various tools like JProfiler and JConsole can measure and diagnose contention. Common issues uncovered by profiling include memory leaks, deadlocks, and permgen errors. Profiling is important to optimize applications for production use.
Parallel Processors (SIMD)
SIMD (single instruction, multiple data) parallel processors exploit data-level parallelism by performing the same operation on multiple data points simultaneously using a single instruction. Vector processors are a type of SIMD parallel processor that operate on 1D arrays of data called vectors. They contain vector registers that can hold multiple data elements and functional units that perform arithmetic and logical operations in a pipelined fashion on entire vectors. Array processors are another type of SIMD machine composed of multiple identical processing elements that perform computations in lockstep under the control of a single instruction unit. Early examples include the ILLIAC IV and Cray X1 supercomputers. Multimedia extensions like MMX provide SIMD integer operations to improve performance of multimedia applications.
Parallel Processors (SIMD)
This document discusses parallel processors, specifically single instruction multiple data (SIMD) processors. It provides details on vector processors and array processors. Vector processors utilize vector instructions that operate on arrays of data called vectors. They have vector registers, functional units, and load/store units. Array processors perform parallel computations on large data arrays using multiple identical processing elements. The document describes dedicated memory and global memory organizations for array processors. It provides examples of early SIMD machines like ILLIAC IV.
Hard drives
This slide is on type of hard drives and Intel technologies around SSDs. It has basic information which would help understand types of hard drives. It also has information related to Dell diagnostics on hard drives.
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The document discusses implementing a function to check if a character is a hexadecimal digit. It explains that a hexadecimal digit ranges from 0-9, A-F, a-f in the ASCII table. It provides examples of inputting different characters and checking if they are hexadecimal digits or not. The sample execution section is empty. It lists functions as the prerequisite for understanding how to create a custom function to check for hexadecimal digits.
01_student_record.pdf
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02_swap.pdf
This document discusses writing a macro called swap(t,x,y) that swaps two arguments of any data type t. It asks the user to input a data type and two values of that type, then swaps the values and displays the output. It explains how to swap two integers by using a temporary variable and applying the same concept to arguments of any type t by using macros. The objective is to understand macro preprocessing in C.
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07_product_matrix.pdf
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06_sort_names.pdf
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05_fragments.pdf
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04_magic_square.pdf
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The document provides details on an assignment to write a program that recursively reverses a given string without using static variables, global variables, or loops. It includes the input, output, and examples of reversing the strings "Extreme" and "hello world". It also provides sample execution and pre-requisites of strings and recursive functions, with the objective being to understand reversing a string recursively.
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Introduction to Embedded Systems
- 2. Contents
- 3. Embedded Systems Contents ● Introduction to ES ● GPS vs ES ● Real Time Aspects
- 4. Introduction to Embedded System
- 5. Embedded Systems Introduction ● What is ES ● Examples ● Categories ● Components ● Requirements ● Challenges ● Trends in Development ● Common Design Metrics
- 6. Embedded Systems What is Embedded Systems - Definition “Any Hardware System which is intended to do a specific task can be called as an Embedded System”
- 8. Embedded System Categories ● Stand-alone ● Real Time ● Networked ● Mobile
- 10. Embedded System Components - Memories
- 11. Embedded System Components – Memories - RAM ● DRAM ● SRAM
- 12. Embedded System Components – Memories - ROM ● UVPROM ● EPROM ● PROM ● Masked ROM
- 13. Embedded System Components – Memories - Hybrid ● NVRAM ● EEPROM ● FLASH
- 14. Embedded System Components – Memories – Hybrid - Flash ● NOR ● NAND
- 15. Embedded System Requirements ● Reliability ● Cost-effectiveness ● Low Power Consumption ● Efficient Usage of Processing Power ● Efficient Usage of Memory ● Appropriate Execution Time
- 16. Embedded System Challenges ● Efficient Inputs/Outputs ● Embedding an OS ● Code Optimization ● Testing and Debugging
- 17. Embedded System Trends in Development ● Processors ● Memory ● Operating Systems ● Programming Languages ● Development Tools
- 18. Embedded System Common Design Metrics ● Time to Prototype ● Power ● Performance & Correctness ● Size ● NRE ● Maintainability & Flexibility ● Safety ● Unit Cost ● Time to Market
- 19. GPS vs ES
- 20. Embedded System GSP vs ES ● What do you think of your Desktops? ● Does the size matter? – Bluetooth Button – Industrial Control Systems
- 22. Embedded System Real Time Aspects ● Hard Real Time – Should meet its deadline – Life Critical Application ● Firm Real Time – Similar to Hard Real Time - Properties ● Soft Real Time – Can have tolerance in meeting its deadline
- 23. Thank You