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85 lines
3.1 KiB
Markdown
85 lines
3.1 KiB
Markdown
# PolyBench/GPU-OpenMP 1.0
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> Copyright (c) 2013 the University of Delaware.
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> Contact: William Killian <killian@udel.edu>
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> Copyright (c) 2011-2012 the Ohio State University.
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> Contact: Louis-Noel Pouchet <pouchet@cse.ohio-state.edu>
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## Available Benchmarks
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### `datamining`
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* `datamining/correlation`
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* `datamining/covariance`
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### `linear-algebra/kernels`
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* `linear-algebra/kernels/2mm`
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* `linear-algebra/kernels/3mm`
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* `linear-algebra/kernels/atax`
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* `linear-algebra/kernels/bicg`
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* `linear-algebra/kernels/cholesky`
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* `linear-algebra/kernels/doitgen`
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* `linear-algebra/kernels/gemm`
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* `linear-algebra/kernels/gemver`
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* `linear-algebra/kernels/gesummv`
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* `linear-algebra/kernels/mvt`
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* `linear-algebra/kernels/symm`
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* `linear-algebra/kernels/syr2k`
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* `linear-algebra/kernels/syrk`
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* `linear-algebra/kernels/trisolv`
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* `linear-algebra/kernels/trmm`
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### `linear-algebra/solvers`
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* `linear-algebra/solvers/durbin`
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* `linear-algebra/solvers/dynprog`
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* `linear-algebra/solvers/gramschmidt`
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* `linear-algebra/solvers/lu`
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* `linear-algebra/solvers/ludcmp`
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### `stencils`
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* `stencils/adi`
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* `stencils/convolution-2d`
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* `stencils/convolution-3d`
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* `stencils/fdtd-2d`
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* `stencils/jacobi-1d-imper`
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* `stencils/jacobi-2d-imper`
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* `stencils/seidel-2d`
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## Modifying Codes
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Parameters such as the input sizes, data type, and threshold for GPU-CPU output comparison can be modified using constants
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within the codes and .h files. After modifying, run `make clean` then `make` on relevant code for modifications to take effect in resulting executable.
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### Parameter Configuration
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#### Input Size
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By default the `STANDARD_DATASET` as defined in the `.cuh/.h` file is used as the input size. The dataset choice can be adjusted from `STANDARD_DATASET` to other
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options (`MINI_DATASET`, `SMALL_DATASET`, etc) in the `.cuh/.h` file, the dataset size can be adjusted by defining the input size manually in the `.cuh/.h` file, or
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the input size can be changed by simply adjusting the `STANDARD_DATASET` so the program has different input dimensions.
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#### `DATA_TYPE` (in `.cuh/.h` files):
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By default, the `DATA_TYPE` used in these codes are `float` that can be changed to `double` by changing the `DATA_TYPE` typedef. Note that in OpenCL, the `DATA_TYPE` needs to be changed in both the .h and .cl files, as the .cl files contain the kernel code and is compiled separately at run-time.
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#### Other available options
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These are passed as macro definitions during compilation time
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(e.g `-Dname_of_the_option`) or can be added with a `#define` to the code.
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- `POLYBENCH_STACK_ARRAYS` (only applies to allocation on host):
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use stack allocation instead of malloc [default: off]
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- `POLYBENCH_DUMP_ARRAYS`: dump all live-out arrays on stderr [default: off]
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- `POLYBENCH_CYCLE_ACCURATE_TIMER`: Use Time Stamp Counter to monitor
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the execution time of the kernel [default: off]
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- `MINI_DATASET`, `SMALL_DATASET`, `STANDARD_DATASET`, `LARGE_DATASET`,
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`EXTRALARGE_DATASET`: set the dataset size to be used
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[default: `STANDARD_DATASET`]
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- `POLYBENCH_USE_C99_PROTO`: Use standard C99 prototype for the functions.
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- `POLYBENCH_USE_SCALAR_LB`: Use scalar loop bounds instead of parametric ones.
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