Small application that aims to solve systems of linear equations using the general compute capabilities of the GPUs
- POSIX compliant environment
- gcc or an equivalent c compiler
- An OpenCL sdk
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Make sure the path to the CL header is correct, or edit it accordingly.
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make main
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The executable will be found in the bin folder, while all the object files will be in the build folder
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You can also run the compiler manually. All the c files are in the src folder, while the headers are in the include folder.
Use:
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Usage: ./bin/LinearSystemSolver [-i infname] [-o outfname] [-s seed] [-d dim] [-v] ocldname impcode
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impcode - implementation you want to use.
1: no pivot cpu
2: no pivot lmem [deprecated]
3: no pivot texture
4: no pivot buffer
5: partial pivot cpu
6: partial pivot texture
7: partial pivot buffer
ocldname - path to the directory that contains the oclfiles
-i infname - path of the file from which to fetch the matrix.
It must state all the elements of the complete matrix, separated by spaces, row by row
-o outfname - path of the file where to print the result vector.
Defaults to use the standard output. If it is not specified, a dummy matrix will be generated
-s seed - seed used to generate the matrix if -f is not specified.
Defaults to 123
-d dim - number of unknowns of the matrix.
Defaults to 1000
-v - enables vectorization, if the chosen implementation supports it.
The number of unknowns must be 1 less than a multiple of 4-
Make sure the path to the check header is correct, or edit it accordingly.
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make test -
The test runner will be found in the bin folder, while all the object files will be in the build folder
Table of contents
Code documentation
- Giuseppe Bilotta for the ocl_boiler.h (and for teaching me all the OpenCL fundamentals and more)
- c-project-template for the structure of the project and of the Makefile
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