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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.
What are vectored interrupts? To decrease the time involved in the polling process, a device requesting an interrupt may recognize itself directly to the processor. Then the pr
Simplify the given expressions using Boolean postulates XY + X‾Z‾ + XY‾Z (XY + Z) Ans. XY + X‾Z‾ + XY‾Z (XY + Z) = XY + X‾Z‾ + XY‾Z (XY + Z) = XY + X‾Z‾ + XXYY‾Z
In successive-approximation A/D converter, offset voltage equal to 1/2 LSB is added to the D/A converter's output. This is done to ? Ans. It is done to reduce the maximum quantiz
Q. Explain traditional computer clusters? Grid computing employs resources of a lot of separate computers linked by a network (generally internet) to resolve large-scale comput
What is Fork swap? "Fork ()" is a system call to make a child process. When the parent process calls "fork()" system call, the child process is formed and if there is short of
Explain Direct broadcast & limited broadcast. Broadcast is a method to send a packet to all the stat ions on an exact network at once. Broadcast systems permit the possibility
Software Engineering is a layered technology. Explain
Determine about the Voice Systems Speech recognizers are used in some graphics workstations as input devices to accept voice commands. The voice-system input can be used to ini
Flag is known as Low order register & Accumulator is known as High order Register.
Variable ordering - Forward checking: Hence this is different from variable ordering in two important ways as: Whether this is a dead end when we will end up visiting a
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