PADP Programs

• 1. a) Write an OpenMP program that computes the value of PI using Monto-Carlo Algorithm b) Write an MPI program that computes the value of PI using Monto-Carlo Algorithm ### 1st Program (Monte Carlo)

1a) gcc -fopenmp 1.c
    ./a.out
    g++ for CPP files, gcc for C files
1b) mpicc 2.c
    mpirun -np 4 ./a.out

• 2. Write an OpenMP program that computes a simple matrix-matrix multiplication using dynamic memory allocation.

gcc -fopenmp -o mm mm.c
./mm <matrix_size> <threads>

• 3. Write an OpenMP program for Cache unfriendly sieve of Erathothneses.

gcc -fopenmp 3.c -lm
./a.out

• 4. Write an OpenMP program to convert a color image to black and white image.

gcc -fopenmp -lgd image.c
./a.out input.png output.png

• 5. Write a MPI Program that has a total of 4 processes. Process with rank 1, 2, and 3 should send the following messages respectives to teh process with rank 0: HELLO, CSE, RVCE.

mpicc 5.c 
mpirun -np 4 ./a.out

• 6. Write an OpenMP program for Word search in a file and illustrate the perfomanace using different sizes of file.

gcc -fopenmp 6.c
./a.out

• 7. Write an OpenACC program to implement two-dimensional Jacobi

pgcc 7.c -acc -Minfo=accel      
./a.out

g++ for CPP files, gcc for C files