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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.
Size limitation does not relate to number of records in a table within a database. Forms, reports, macros, and modules also add to database size, but is rather minimal compared to
Q. Show the Features of parallel virtual machine? Easy to install; Easy to configure; Multiple users each can use PVM concurrently; Multiple applications fro
How to get an output: Please enter a number between 0 and 6 (Enter to stop): 2 The Day of Week is Tuesday Please enter a number between 0 and 6 (Enter to stop): 9 Input Invalid Ple
In using COBOL on PC we have only flat files and the programs can access only limited storage, while in VS COBOL II on M/F the programs can access up to 16MB or 2GB depending on th
what is penetration technique
Two popular encryption techniques to ensute secured transactions on the net? 1. Translation table 2. Word/byte rotation and XOR bit masking.
A protocol is a formal description of message formats and the rules two or more machines must follow to exchange those messages. Because TCP (transmission control protocol) and IP
What are preprocessor directives? Preprocessor directives: These are the commands given to a program called as pre-processor that processes the source code before it passes by
What do you understand by Hit ratio? When a processor refers a data item from a cache, if the referenced item is in the cache, then such a reference is called hit. If the refer
Describe the contents of a Process Control Block (PCB). Process Control Block (PCB): All processes are represented in the operating system by a task control block or a proces
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