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The search-based tools initially recognize problem and afterwards suitably give advice on how to correct it.
AT Expert from Cray Research is one of the tools being employed for increasing performance of Fortran programs with the assist of a set of rules that have been written with Cray auto-tasking library. The Cray auto-tasking library helps in attaining parallelism. Fundamentally the AT Expert examines FORTRAN program and attempts to propose complier directives which can help in progressing performance of program.
One other tool known as Performance Consultant is independent of every programming language or model and machines. It fundamentally asks 3 questions which are WHY, WHERE and WHEN about performance overheads as well as bottlenecks. These 3 questions make 3 different axes of hierarchal model. One of the significant aspects of Performance Consultant tool is it searches for bottlenecks at the time of execution of program. The above described aspects help in preserving the decreased volume of data. The WHY axis presents different bottlenecks like I/O, communicatio. The WHERE axis describes different sources that may cause bottlenecks like CPU, Interconnection networks. WHEN axis attempts to separate set of bottlenecks in a particular stage of execution of program.
A system contains 10 units of resource class Ru. The resource requirements of three user processes P1, P2 and P3 are as follows
the various Scheduling algorithms ..
Define bus. When a word of data is transferred among units, all the bits are transferred in parallel over a set of lines called bus. In addition to the lines that take the data
Q. Example on Sorting using Combinational Circuit? Example: Think about a unsorted list having element values like given below {3,9,8,5,10,12,14,20,90,95,60,40,23,35,18,0}
Explain the different page replacement policies. Various page replacement algorithms are briefly explained below: 1. First-in, first-out FIFO page replacement algorith
Question: (a) Primary and secondary memory differs in their way they access data: (i) Mention the four generic access methods usually present in a computer system. (ii) E
Q. Write a program to find 1's and 2's complement of a Binary number. Perform necessary checking that if entered number is not a valid number, ask user to enter valid Binary n
Downcasting concept is the casting from a general to a more particular type, i.e. casting down the hierarchy in programming
Q. Explain logical shift Micro-operations? In logical shift data entering by serial input to left most or right most flip-flop (which depends on right or left shift operations
What is library? A library is a collection of classes that are useful in most of the contexts. Classes must have accurate and thorough explanations to help users.
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