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ASSIGNMENT 1 Elementwise maximum of two vectors

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CMPS 297S/396AA: GPU COMPUTING
ASSIGNMENT 1
In this assignment, you will write a CUDA program that computes the elementwise maximum of two
vectors of double precision values. That is, you will compute a vector c from two vectors a and b such
that c[i] is the maximum of a[i] and b[i] for all i.
Instructions
1. Place the files provided with this assignment in a single directory. The files are:
 main.cu: contains setup and sequential code
 kernel.cu: where you will implement your code (you should only modify this file)
 common.h: for shared declarations across main.cu and kernel.cu
 timer.h: to assist with timing
 Makefile: used for compilation
2. Edit kernel.cu where TODO is indicated to implement the following:
 Allocate device memory
 Copy data from the host to the device
 Configure and invoke the CUDA kernel
 Copy the results from the device to the host
 Free device memory
 Perform the computation in the kernel
3. Compile your code by running: make
4. Test your code by running: ./vecmax
 If you are using the university cluster, do not forget to use the submission system. Do
not run on the head node!
 For testing on different input sizes, you can provide your own value for the number of
vector elements: ./vecmax <M> (example: ./vecmax 1000000)
Submission
Submit your modified kernel.cu file via Moodle by the due date. Do not submit any other files or
compressed folders.

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