Given an array A[0..n-1], write the following CUDA program: Each thread compares and exchanges two items in each iteration, but using only global memory. (a) Use only one block of threads.
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Given an array A[0..n-1], write the following CUDA program:
Each thread compares and exchanges two items in each iteration, but using only global memory. (a) Use only one block of threads.
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- Given an array A[0..n-1], write the following versions of CUDA programs with and without using shared memory. Each thread splits and merges two subarrays of size n/p in each iterations. Use shared memory and multiple blocks. Experiment to get best performances.Write a C program using pthreads, which calculates the sum of elements in a hard-codedinteger array in parallel using 4 threads. The program must divide the work between 4threads which run simultaneously. For simplicity, you can assume that the size of thearray is 100. Note that the integer array must be declared as a global data structure.Initially code your solution so that the sum of elements is maintained in a global shared variable. Each thread modifies the same shared variable as it sums up elements fromthe array. Use a suitable synchronization primitive (mutex) to ensure safe access to theglobal variable. (A sample code of Mutex is attached for your reference)Write a problem in java program search for a number N inside a randomly generated array of size 200 using 5 threads. Problem description: Create an integer array, arr of size 200 and generate 200 random numbers for that array. Write a program where you need to search a number in that given array, arr. Distribute the given array into five threads and perform the search in parallel. Suppose one thread searches for the input number from the index 0 to 40. Another search can be performed from the index 41-80 in another thread.Take an input N. Now search for N in the array using 5 threads.
- Write a C program using pthreads, which calculates the sum of elements in a hard-codedinteger array in parallel using 4 threads. The program must divide the work between 4threads which run simultaneously. For simplicity, you can assume that the size of thearray is 100. Note that the integer array must be declared as a global data structure.Initially code your solution so that the sum of elements is maintained in a global shared variable. Each thread modifies the same shared variable as it sums up elements fromthe array. Use a suitable synchronization primitive (mutex) to ensure safe access to theglobal variable. (A sample code of Mutex is attached for your reference) write program in C languageto the code below by using javaScript! Compare two approaches to partition in quickselect: Sedgewick and Lumoto . Assume that the numbers range from 0 to 100. Use the recursive version of quickselect. Always select the median at |1+r/2|Regardless of even/odd array size.you must collect both operation count and timing data. Check if both measurements do indeed have the same order of growth. please read it carfully and solve it by folowing all the requiremntsWrite a python code in multiprocessing (from mpi4py import MPI) Consider a system of 2 processes. The master process generates an array of random numbers of the size n. It shares the array with the slave. The slave is asked to do the sum of numbers. The result returned by the slave is printed by the master process. The master process is simultaneously counting the numbers less than 50 in the array and printing the same.In all the above cases, print the details of who is printing and what is being printed. Use mpi4py Python Package in the coding.
- Write a program that simulates a toy paging system that uses the WSClock algorithm. The system is a toy in that we will assume there are no write references (not very realistic), and process termination and creation are ignored (eternal life). The inputs will be: The reclamation age threshhold The clock interrupt interval expressed as number of memory references A file containing the sequence of page references Describe the basic data structures and algorithms in your implementation. Show that your simulation behaves as expected for a simple (but nontrivial) input example. Plot the number of page faults and working set size per 1000 memory references. Explain what is needed to extend the program to handle a page reference stream that also includes writes.Write a program using pthreads, which calculates the sum of elements in a hard-codedinteger array in parallel using 4 threads. The program must divide the work between 4threads which run simultaneously. For simplicity, you can assume that the size of thearray is 100. Note that the integer array must be declared as a global data structure.Initially code your solution so that the sum of elements is maintained in a global shared variable. Each thread modifies the same shared variable as it sums up elements fromthe array. Use a suitable synchronization primitive (mutex) to ensure safe access to theglobal variable. (A sample code of Mutex is attached for your reference)This part of the problem involves in deriving the Allocation matrix for a set of threads for implementing Banker's algorithm. Consider the system has five threadts (T0~T4) and five resourses (A~E) [Remember all threads are in CAPITAL letter]. Currents allocation matrix follows the following rule: T0 has allocated resources equal to the value of row A[2] of Alloc[i][j] array, T1 has equal to row A[3], T2 has equal to row A[6], T3 has equal to row A[10] and T4 has equal to row A[12]. [Hints. if a row has a value 12345 then allocated resourses are A:1,B:2,and so on.] What is the allocated resource for thread T0 ? [Hints. input only the values one after another starting with resourse A, then resource B without any space or anything in between. for example - if you insert 12345, that will mean the thread is allocated 1 instance of resource A, 2 instance of resource B and so on. ]
- implement parallel matrix multiplicationC = A×B by row partitioningmatrix A and sending each process its partition and the whole of matrix B. Eachprocess performs its own multiplication and sends the partial product to the masterprocess which collects all results and then prints the product matrix C, we have 4processes including the master process. The output matrix C displayed is the product of matrices A and B.use python to code.Write a program that reads an unknown number of integers (int16_t) from the keyboard, terminated when the value (-10000) is given, and stores these into a dynamically sized array. The array should be initialised with a size to hold 10 values, and should increase in size by steps of 10 values whenever the array needs to be resized. (Note that the array should always have capacity to hold another value, for example, when it is holding 10 values the array size should be 20; the next step size up). Once it reads -10000, the program should print how many numbers it read in the format Numbers read = , then exit. The program must free() the array before exiting (but after printing the how many numbers have been read). You can use scanf("%hd", &number) to read a 16 bit integer. Note: because of the way we test this, you must not call realloc() if you just read in -10000; be efficient! For example: Input 1 2 3 4 5 -10000 Result _TESTALLOC: (calloc) Add block 0, total memblks 20 _TESTALLOC:…Allocation Мах Available АВCD АВСD АВСD То T1 T2 T3 0012 0012 1520 1000 1750 1354 2356 0632 0014 0652 0656 Answer the following questions using the banker's algorithm: a. What is the content of the matrix Need? b. Is the system in a safe state? c. If a request from thread T1 arrives for (0,4,2,0), can the request be granted immediately? 2)