unimore/hpc-2022-g3
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Start cleaning up polybench code

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Steffo 2022-11-29 11:27:51 +01:00 committed by GitHub
parent ff36abefcd
commit 74ebd6eb47
Signed by: github
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 17 additions and 17 deletions
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34
atax/atax.cu
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@ -25,15 +25,15 @@
* *
* To be called on the CPU (uses the `__host__` qualifier). * To be called on the CPU (uses the `__host__` qualifier).
*/ */
__host__ static void init_array(int nx, int ny, DATA_TYPE POLYBENCH_2D(A, NX, NY, nx, ny), DATA_TYPE POLYBENCH_1D(x, NY, ny)) __host__ static void init_array(DATA_TYPE** A, DATA_TYPE* x)
{ {
for (int i = 0; i < ny; i++) { for (int i = 0; i < NY; i++) {
x[i] = i * M_PI; x[i] = i * M_PI;
} }
for (int i = 0; i < nx; i++) { for (int i = 0; i < NX; i++) {
for (int j = 0; j < ny; j++) { for (int j = 0; j < NY; j++) {
A[i][j] = ((DATA_TYPE)i * (j + 1)) / nx; A[i][j] = ((DATA_TYPE)i * (j + 1)) / NX;
} }
} }
} }
@ -45,7 +45,7 @@ __host__ static void init_array(int nx, int ny, DATA_TYPE POLYBENCH_2D(A, NX, NY
* *
* To be called on the CPU (uses the `__host__` qualifier). * To be called on the CPU (uses the `__host__` qualifier).
*/ */
__host__ static void print_array(int nx, DATA_TYPE POLYBENCH_1D(y, NX, nx)) __host__ static void print_array(int nx, DATA_TYPE* y)
{ {
for (int i = 0; i < nx; i++) { for (int i = 0; i < nx; i++) {
fprintf(stderr, DATA_PRINTF_MODIFIER, y[i]); fprintf(stderr, DATA_PRINTF_MODIFIER, y[i]);
@ -61,20 +61,20 @@ __host__ static void print_array(int nx, DATA_TYPE POLYBENCH_1D(y, NX, nx))
* *
* Currently to be called on the CPU (uses the `__host__` qualifier), but we may probably want to change that soon. * Currently to be called on the CPU (uses the `__host__` qualifier), but we may probably want to change that soon.
*/ */
__host__ static void kernel_atax(int nx, int ny, DATA_TYPE POLYBENCH_2D(A, NX, NY, nx, ny), DATA_TYPE POLYBENCH_1D(x, NY, ny), DATA_TYPE POLYBENCH_1D(y, NX, nx)) __host__ static void kernel_atax(DATA_TYPE** A, DATA_TYPE* x, DATA_TYPE* y)
{ {
for (int i = 0; i < _PB_NY; i++) { for (int i = 0; i < NY; i++) {
y[i] = 0; y[i] = 0;
} }
for (int i = 0; i < _PB_NX; i++) { for (int i = 0; i < NX; i++) {
DATA_TYPE tmp = 0; DATA_TYPE tmp = 0;
for (int j = 0; j < _PB_NY; j++) { for (int j = 0; j < NY; j++) {
tmp += A[i][j] * x[j]; tmp += A[i][j] * x[j];
} }
for (int j = 0; j < _PB_NY; j++) { for (int j = 0; j < NY; j++) {
y[j] = y[j] + A[i][j] * tmp; y[j] = y[j] + A[i][j] * tmp;
} }
} }
@ -98,23 +98,23 @@ __host__ int main(int argc, char **argv)
polybench_start_instruments; polybench_start_instruments;
#endif #endif
init_array(nx, ny, POLYBENCH_ARRAY(A), POLYBENCH_ARRAY(x)); init_array(A, x);
#ifndef POLYBENCH_INCLUDE_INIT #ifndef POLYBENCH_INCLUDE_INIT
polybench_start_instruments; polybench_start_instruments;
#endif #endif
kernel_atax(nx, ny, POLYBENCH_ARRAY(A), POLYBENCH_ARRAY(x), POLYBENCH_ARRAY(y)); kernel_atax(A, x, y);
polybench_stop_instruments; polybench_stop_instruments;
polybench_print_instruments; polybench_print_instruments;
/* Prevent dead-code elimination. All live-out data must be printed by the function call in argument. */ /* Prevent dead-code elimination. All live-out data must be printed by the function call in argument. */
polybench_prevent_dce(print_array(nx, POLYBENCH_ARRAY(y))); polybench_prevent_dce(print_array(y));
POLYBENCH_FREE_ARRAY(A); free(A);
POLYBENCH_FREE_ARRAY(x); free(x);
POLYBENCH_FREE_ARRAY(y); free(y);
return 0; return 0;
} }