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Q. Timing in MPI program?
MPI_Wtime ( ) returns lapsed wall clock time in seconds because some random point in past. Elapsed time for program section is given by difference between MPI_Wtime values at starting and end of process. Process clocks aren't necessarily synchronised, so clock values aren't necessarily comparable across the processes and care should be taken in determining overall running time for parallel program. Even if clocks are openly synchronised variation across clocks still can't be expected to be considerably less than round-trip time for zero-length message between the processes.
When a switch capacity is full, calls coming into that switch are said to be . (A) open (B) shorted (C) bloc
Define dynamic loading. To get better memory-space utilization dynamic loading is used. With dynamic loading, a routine is not loaded unless it is called. All routines are kept
Explain Language Processor Development Tools (LPDTs) through schematic diagram. LPDT that is Language processor development tools focuses upon generation of the analysis phase
Which method uses the greatest number of layers in the OSI model? Gateway utilizes the greatest number of layers into the OSI model.
What are the functions of dispatcher? There are four fuctions of dispatcher:- A) Equal distribution of transaction load to the work processes. B) Management of buffer a
Address translation with dynamic partition : Given figure shows the address translation process with dynamic partitioning, where the processor provides hardware support for
What is program controlled I/O? In program controlled I/O the processor repeatedly checks a status flag to achieve the needed synchronization among the processor and an input a
Direct Mapping: In this particular technique, block j of the primary memory maps onto block j modulo 128 of the cache. The primary memory blocks 0,128,256,...is loaded
Explain LRU Page replacement algorithm. LRU policy: It expands to least recently use. This policy proposes that we remove a page that last usage is farthest from present time
Write a four-page paper how relational data solution is applied to presnt Video Store business. 1. Describe Relational Databases 2. Write History of databases
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