performance evaluation of computer systems and networks

... limiter in the transmitter and the removal of the data dependent pilots. Next, in Section 7, the throughput performance comparison of DDST and TDMT training based systems is provided. Finally, ... with respect to the distance from the channel band edge This distance is defined as an out -of- band frequency distance, ∆fOOB ... Systems and Computers 2006, ACSSC ’06, Pacific Grove, California ... Alameda-Hernandez, AG Orozco-Lugo, MM Lara, Performance of data-dependent superimposed. .. 100,000 random frame realizations These results provide more insight on the average PAPR performance of

Ngày tải lên: 21/06/2014, 23:20

... University Purdue e-Pubs Department of Computer Science Technical Reports Department of Computer Science 1996 Performance Evaluation of MPI Implementations and MPI Based Parallel ELLPACK Solvers ... (ping, ping-pong and collective) In [14] the authors study the performance of MPI and PVM on homogeneous and heterogeneous networks of workstations using two benchmarking programs (ping and ping-pong) ... (7/96) Performance Evaluation of MPI Implementations and MPI Based Parallel ELLPACK Solvers S Marlrus, S.B Kim, K Pantazopoulos, AL Ocken, E.N Houstis, P Wu and S Weerawarana Department of Computer

Ngày tải lên: 26/10/2022, 16:44

... consumption and performance are a function of the characteristics of the workload and the architectural elements, and thus, estimating these metrics is not an ordinary task Given the wide range of platform ... options and software optimizations, designers need to verify their design choices to find the proper platform and software that satisfy a given set of requirements Measurement of the actual performance ... automate same steps of the proposed methodology The tool was named PECES (Performance and Energy Consumption Evaluation of Embedded Systems) It receives the annotated source code and the architecture

Ngày tải lên: 21/06/2014, 11:20

... predictable and high -performance system, even in the face of changing operational conditions and workloads (iii) The empirical evaluation of RACE’s scalability as the number of nodes and applications ... middleware, and (2) design-time versus run-time QoS configuration, optimization, analysis, and evaluation of constraints, such as timing, memory, and CPU 2.1 Overview of conventional and QoS-enabled ... time and network bandwidth within bounded delay Moreover, in open DRE systems like the MMS mission, input workload affects utilization of system resources and QoS of applications Utilization of

Ngày tải lên: 22/06/2014, 00:20

... (i), k). Let tTs i and tTe i denote the start and end times of the execution of Ti . C In addition, the start and end times of the execution of Cj are denoted using ts j C and te j respectively. ... multiprocessors as well. 4.4 Performance of EGMS and EGMSIV Lastly, the performance of the algorithms are evaluated when the number of tasks and processors increases. We randomly generated 1000 task ... performance of the algorithms are compared to the baseline case when the 95 6.3 Performance of EBTS and EBTS-DS Figure 6.4: Miss rate of EBTS with varying values of u for WSN consisting of heterogeneous

Ngày tải lên: 30/09/2015, 06:05

... MINISTRY OF EDUCATION AND TRAINING HANOI UNIVERSITY OF SCIENCE AND TECHNOLOGY HOANG TRUNG TUYEN DESIGN AND PERFORMANCE EVALUATION OF COMMUNICATION PROTOCOLS IN RFID SYSTEMS DOCTORAL DISSERTATION OF ... Hanoi−2023 MINISTRY OF EDUCATION AND TRAINING HANOI UNIVERSITY OF SCIENCE AND TECHNOLOGY HOANG TRUNG TUYEN DESIGN AND PERFORMANCE EVALUATION OF COMMUNICATION PROTOCOLS IN RFID SYSTEMS Major: Telecommunication ... "Design and performance evaluation of communication protocols in RFID systems" has been entirely composed by myself I assure some points as follows: ■ This work was done wholly or mainly while in candidature

Ngày tải lên: 05/10/2023, 11:23

... process of bandwidth requesting for rtPS and ertPS packets out of scope of this paper Furthermore, we assume that the BS knows the number of rtPS and ertPS packets at each SS in every frame and thus ... is the sum of the fixed time from the grant time of the tagged i-packet to the start of transmission of the i-packets in the next frame and the transmission times of the random number of ipackets ... Broadband Wireless Access Systems? ??Advanced Air Interface” [19] Z Saffer and S Andreev, “Selected lectures on multiple access and queuing systems, ” in Mean Delay Estimation for Wireless Broadband Networks,

Ngày tải lên: 21/06/2014, 05:20

... N.O. Sadiku · Sarhan M. Musa Performance Analysis of Computer Networks Performance Analysis of Computer Networks Matthew N.O Sadiku • Sarhan M Musa Performance Analysis of Computer Networks Matthew N.O ... on performance evaluation It may also serve as a fingertip reference for engineers developing communication networks, managers involved in systems planning, and researchers and instructors of computer ... Park and W Willinger (eds.), Self-similar Network Traffic and Performance Evaluation New York: John Wiley & Sons, 2000 11 J.M Pitts and J A Schormans, Introduction to IP and ATM Design and Performance

Ngày tải lên: 25/08/2016, 22:53

... signals Hence, the BER performance of the proposed scheme of scenario achieves that of the twothreshold scheme However, the performance of scenario is a little bit worse than that of the two-threshold ... average BER Page of 13 bits makes the error performance worse), the performance of the network resembles that of a point-to-point system because in either case, the diversity order of the system ... computed as (13) and (16), respectively 4.2 i.i.d fading channels Similar to Section 3.2, the average BER of the network and the probability of occurrence of {M, N, L} are given in (24) and (25), respectively

Ngày tải lên: 16/12/2017, 08:45

... CHAPTER 1: Computer Systems The Architecture of Computer Hardware and Systems Software: An Information Technology Approach 3rd Edition, Irv Englander John Wiley and Sons  2003 Typical Computer ... between computers on the Internet and local area networks  ATAPI: between a CPU and CD-ROMs Chapter Computer Systems 1-14 Standards  Created to ensure universal compatibility of data formats and ... each of which hold a value of either or (8 bits = byte)  Holds both instructions and data of a computer program (stored program concept) Chapter Computer Systems 1-10 Software Component  Applications

Ngày tải lên: 10/01/2018, 16:23

... Number Systems The Architecture of Computer Hardware and Systems Software: An Information Technology Approach 3rd Edition, Irv Englander John Wiley and Sons 2003 Why Binary?  Early computer ... Mark I and ENIAC Simplified computer design Used for both instructions and data Natural relationship between on/off switches and calculation using Boolean logic Chapter Number Systems On Off True ... system of positional notation based powers of Octal system: system of positional notation based on powers of Hexadecimal system: system of positional notation based powers of 16 Chapter Number Systems

Ngày tải lên: 10/01/2018, 16:23

... Architecture of Computer Hardware and Systems Software: An Information Technology Approach 3rd Edition, Irv Englander John Wiley and Sons  2003 Data Formats  Computers  Process and store all forms of ... Reflects the  Complexity of input source  Type of processing required  Trade-offs  Accuracy and resolution  Simple photo vs painting in an art book  Compactness (storage and transmission) More ... language, images and sounds  Data formats:  Specifications for converting data into computerusable form  Define the different ways human data may be represented, stored and processed by a computer

Ngày tải lên: 10/01/2018, 16:23

... Architecture of Computer Hardware and Systems Software: An Information Technology Approach 3rd Edition, Irv Englander John Wiley and Sons 2003 Data Formats  Computers  Process and store all forms of ... Reflects the  Complexity of input source  Type of processing required  Trade-offs  Accuracy and resolution  Simple photo vs painting in an art book  Compactness (storage and transmission) More ... language, images and sounds  Data formats:  Specifications for converting data into computerusable form  Define the different ways human data may be represented, stored and processed by a computer

Ngày tải lên: 10/01/2018, 16:23

... Representing Integer Data The Architecture of Computer Hardware and Systems Software: An Information Technology Approach 3rd Edition, Irv Englander John Wiley and Sons  2003 Number Representation ... 1’s and 0’s and approximate the value Chapter Representing Integer Data 4-31 Overflow and Carry Conditions  Carry flag: set when the result of an addition or subtraction exceeds fixed number of ... representation of 247  247 (positive number)  10’s complement of 227  1000 – 247 = 753 (negative number)  Example 2:  10’s complement of 17  1000 – 017 = 983  Example 3:  10’s complement of 777

Ngày tải lên: 10/01/2018, 16:23

... Architecture of Computer Hardware and Systems Software: An Information Technology Approach 3rd Edition, Irv Englander John Wiley and Sons 2003 Floating Point Numbers  Real numbers  Used in computer ... Sign of the exponent (“+” in 105) Magnitude of the exponent (5)  Plus Base of the exponent (10) Location of decimal point (or other base) radix point Chapter Floating Point Numbers 5-3 Summary of ... function StandardizeNumber } // end ConverToFloat Chapter Floating Point Numbers 5-14 Floating Point Calculations  Addition and subtraction  Exponent and mantissa treated separately  Exponents of

Ngày tải lên: 10/01/2018, 16:23

... Little Man Computer The Architecture of Computer Hardware and Systems Software: An Information Technology Approach 3rd Edition, Irv Englander John Wiley and Sons  2003 The Little Man Computer ... Operation code  Arbitrary mnemonic  Operand  Object to be manipulated   Data or Address of data Address Chapter Little Man Computer Content Op code Operand 6-4 Magic!  Load program into memory ... between calculator and in/out baskets Content Op Code Operand (address) IN (input) 01 OUT (output) 02 Chapter Little Man Computer 6-8 LMC Input/Output IN OUT Chapter Little Man Computer 6-9 Internal

Ngày tải lên: 10/01/2018, 16:23

... CHAPTER 7: The CPU and Memory The Architecture of Computer Hardware and Systems Software: An Information Technology Approach 3rd Edition, Irv Englander John Wiley and Sons 2003 CPU: Major ... Chapter CPU and Memory Source OPERAND Result OPERAND 7-31 Instruction Format  Machine-specific template that specifies  Length of the op code  Number of operands  Length of operands Simple ... Status of CPU and currently executing program  Flags (one bit Boolean variable) to track condition like arithmetic carry and overflow, power failure, internal computer error Chapter CPU and Memory

Ngày tải lên: 10/01/2018, 16:23

... CPU and Memory: Design, Implementation, and Enhancement The Architecture of Computer Hardware and Systems Software: An Information Technology Approach 3rd Edition, Irv Englander John Wiley and ... infrequently used by programmers and compilers  Memory references, loads and stores, are slow and account for a significant fraction of all instructions  Procedure and function calls are a major ... Many addressing modes  Large number of specialized, complex instructions  Instructions are of varying sizes Chapter 8: CPU and Memory: 8-3 Limitations of CISC Architecture  Complex instructions

Ngày tải lên: 10/01/2018, 16:23

... Chapter 9: Input/Output The Architecture of Computer Hardware and Systems Software: An Information Technology Approach 3rd Edition, Irv Englander John Wiley and Sons 2003 Basic Model  Processing ... memory subsystem and processor  Local I/O bus  high-speed bus used to connect performance critical peripherals to memory and processor  Examples: PCI, VESA Local Bus  Standard I/O bus  connects ... addressed to it and accepts commands from the CPU  Provides a buffer where the data from memory can be held until it can be transferred to the disk  Provides the necessary registers and controls

Ngày tải lên: 10/01/2018, 16:23