From ea5457ca000c4275aeaf149b3162bf00731e7a08 Mon Sep 17 00:00:00 2001
From: Daniel Maier <daniel.maier@tu-berlin.de>
Date: Tue, 2 Oct 2018 14:15:07 +0200
Subject: [PATCH] adi application
---
codes/adi/adi.c | 168 ++++++++++++++++++++++++++++++++++++++++++++++++
codes/adi/adi.h | 80 +++++++++++++++++++++++
2 files changed, 248 insertions(+)
create mode 100644 codes/adi/adi.c
create mode 100644 codes/adi/adi.h
diff --git a/codes/adi/adi.c b/codes/adi/adi.c
new file mode 100644
index 0000000..1eee045
--- /dev/null
+++ b/codes/adi/adi.c
@@ -0,0 +1,168 @@
+/**
+ * This version is stamped on May 10, 2016
+ *
+ * Contact:
+ * Louis-Noel Pouchet <pouchet.ohio-state.edu>
+ * Tomofumi Yuki <tomofumi.yuki.fr>
+ *
+ * Web address: http://polybench.sourceforge.net
+ */
+/* adi.c: this file is part of PolyBench/C */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <math.h>
+
+/* Include polybench common header. */
+#include <polybench.h>
+
+/* Include benchmark-specific header. */
+#include "adi.h"
+
+
+/* Array initialization. */
+static
+void init_array (int n,
+ DATA_TYPE POLYBENCH_2D(u,N,N,n,n))
+{
+ int i, j;
+
+ for (i = 0; i < n; i++)
+ for (j = 0; j < n; j++)
+ {
+ u[i][j] = (DATA_TYPE)(i + n-j) / n;
+ }
+}
+
+
+/* DCE code. Must scan the entire live-out data.
+ Can be used also to check the correctness of the output. */
+static
+void print_array(int n,
+ DATA_TYPE POLYBENCH_2D(u,N,N,n,n))
+
+{
+ int i, j;
+
+ POLYBENCH_DUMP_START;
+ POLYBENCH_DUMP_BEGIN("u");
+ for (i = 0; i < n; i++)
+ for (j = 0; j < n; j++) {
+ if ((i * n + j) % 20 == 0) fprintf(POLYBENCH_DUMP_TARGET, "\n");
+ fprintf (POLYBENCH_DUMP_TARGET, DATA_PRINTF_MODIFIER, u[i][j]);
+ }
+ POLYBENCH_DUMP_END("u");
+ POLYBENCH_DUMP_FINISH;
+}
+
+
+/* Main computational kernel. The whole function will be timed,
+ including the call and return. */
+/* Based on a Fortran code fragment from Figure 5 of
+ * "Automatic Data and Computation Decomposition on Distributed Memory Parallel Computers"
+ * by Peizong Lee and Zvi Meir Kedem, TOPLAS, 2002
+ */
+static
+void kernel_adi(int tsteps, int n,
+ DATA_TYPE POLYBENCH_2D(u,N,N,n,n),
+ DATA_TYPE POLYBENCH_2D(v,N,N,n,n),
+ DATA_TYPE POLYBENCH_2D(p,N,N,n,n),
+ DATA_TYPE POLYBENCH_2D(q,N,N,n,n))
+{
+ int t, i, j;
+ DATA_TYPE DX, DY, DT;
+ DATA_TYPE B1, B2;
+ DATA_TYPE mul1, mul2;
+ DATA_TYPE a, b, c, d, e, f;
+
+#pragma scop
+
+ DX = SCALAR_VAL(1.0)/(DATA_TYPE)_PB_N;
+ DY = SCALAR_VAL(1.0)/(DATA_TYPE)_PB_N;
+ DT = SCALAR_VAL(1.0)/(DATA_TYPE)_PB_TSTEPS;
+ B1 = SCALAR_VAL(2.0);
+ B2 = SCALAR_VAL(1.0);
+ mul1 = B1 * DT / (DX * DX);
+ mul2 = B2 * DT / (DY * DY);
+
+ a = -mul1 / SCALAR_VAL(2.0);
+ b = SCALAR_VAL(1.0)+mul1;
+ c = a;
+ d = -mul2 / SCALAR_VAL(2.0);
+ e = SCALAR_VAL(1.0)+mul2;
+ f = d;
+
+ for (t=1; t<=_PB_TSTEPS; t++) {
+ //Column Sweep
+ for (i=1; i<_PB_N-1; i++) {
+ v[0][i] = SCALAR_VAL(1.0);
+ p[i][0] = SCALAR_VAL(0.0);
+ q[i][0] = v[0][i];
+ for (j=1; j<_PB_N-1; j++) {
+ p[i][j] = -c / (a*p[i][j-1]+b);
+ q[i][j] = (-d*u[j][i-1]+(SCALAR_VAL(1.0)+SCALAR_VAL(2.0)*d)*u[j][i] - f*u[j][i+1]-a*q[i][j-1])/(a*p[i][j-1]+b);
+ }
+
+ v[_PB_N-1][i] = SCALAR_VAL(1.0);
+ for (j=_PB_N-2; j>=1; j--) {
+ v[j][i] = p[i][j] * v[j+1][i] + q[i][j];
+ }
+ }
+ //Row Sweep
+ for (i=1; i<_PB_N-1; i++) {
+ u[i][0] = SCALAR_VAL(1.0);
+ p[i][0] = SCALAR_VAL(0.0);
+ q[i][0] = u[i][0];
+ for (j=1; j<_PB_N-1; j++) {
+ p[i][j] = -f / (d*p[i][j-1]+e);
+ q[i][j] = (-a*v[i-1][j]+(SCALAR_VAL(1.0)+SCALAR_VAL(2.0)*a)*v[i][j] - c*v[i+1][j]-d*q[i][j-1])/(d*p[i][j-1]+e);
+ }
+ u[i][_PB_N-1] = SCALAR_VAL(1.0);
+ for (j=_PB_N-2; j>=1; j--) {
+ u[i][j] = p[i][j] * u[i][j+1] + q[i][j];
+ }
+ }
+ }
+#pragma endscop
+}
+
+
+int main(int argc, char** argv)
+{
+ /* Retrieve problem size. */
+ int n = N;
+ int tsteps = TSTEPS;
+
+ /* Variable declaration/allocation. */
+ POLYBENCH_2D_ARRAY_DECL(u, DATA_TYPE, N, N, n, n);
+ POLYBENCH_2D_ARRAY_DECL(v, DATA_TYPE, N, N, n, n);
+ POLYBENCH_2D_ARRAY_DECL(p, DATA_TYPE, N, N, n, n);
+ POLYBENCH_2D_ARRAY_DECL(q, DATA_TYPE, N, N, n, n);
+
+
+ /* Initialize array(s). */
+ init_array (n, POLYBENCH_ARRAY(u));
+
+ /* Start timer. */
+ polybench_start_instruments;
+
+ /* Run kernel. */
+ kernel_adi (tsteps, n, POLYBENCH_ARRAY(u), POLYBENCH_ARRAY(v), POLYBENCH_ARRAY(p), POLYBENCH_ARRAY(q));
+
+ /* Stop and print timer. */
+ polybench_stop_instruments;
+ polybench_print_instruments;
+
+ /* Prevent dead-code elimination. All live-out data must be printed
+ by the function call in argument. */
+ polybench_prevent_dce(print_array(n, POLYBENCH_ARRAY(u)));
+
+ /* Be clean. */
+ POLYBENCH_FREE_ARRAY(u);
+ POLYBENCH_FREE_ARRAY(v);
+ POLYBENCH_FREE_ARRAY(p);
+ POLYBENCH_FREE_ARRAY(q);
+
+ return 0;
+}
diff --git a/codes/adi/adi.h b/codes/adi/adi.h
new file mode 100644
index 0000000..24fbabc
--- /dev/null
+++ b/codes/adi/adi.h
@@ -0,0 +1,80 @@
+/**
+ * This version is stamped on May 10, 2016
+ *
+ * Contact:
+ * Louis-Noel Pouchet <pouchet.ohio-state.edu>
+ * Tomofumi Yuki <tomofumi.yuki.fr>
+ *
+ * Web address: http://polybench.sourceforge.net
+ */
+#ifndef _ADI_H
+# define _ADI_H
+
+/* Default to LARGE_DATASET. */
+# if !defined(MINI_DATASET) && !defined(SMALL_DATASET) && !defined(MEDIUM_DATASET) && !defined(LARGE_DATASET) && !defined(EXTRALARGE_DATASET)
+# define LARGE_DATASET
+# endif
+
+# if !defined(TSTEPS) && !defined(N)
+/* Define sample dataset sizes. */
+# ifdef MINI_DATASET
+# define TSTEPS 20
+# define N 20
+# endif
+
+# ifdef SMALL_DATASET
+# define TSTEPS 40
+# define N 60
+# endif
+
+# ifdef MEDIUM_DATASET
+# define TSTEPS 100
+# define N 200
+# endif
+
+# ifdef LARGE_DATASET
+# define TSTEPS 500
+# define N 1000
+# endif
+
+# ifdef EXTRALARGE_DATASET
+# define TSTEPS 1000
+# define N 2000
+# endif
+
+
+#endif /* !(TSTEPS N) */
+
+# define _PB_TSTEPS POLYBENCH_LOOP_BOUND(TSTEPS,tsteps)
+# define _PB_N POLYBENCH_LOOP_BOUND(N,n)
+
+
+/* Default data type */
+# if !defined(DATA_TYPE_IS_INT) && !defined(DATA_TYPE_IS_FLOAT) && !defined(DATA_TYPE_IS_DOUBLE)
+# define DATA_TYPE_IS_DOUBLE
+# endif
+
+#ifdef DATA_TYPE_IS_INT
+# define DATA_TYPE int
+# define DATA_PRINTF_MODIFIER "%d "
+#endif
+
+#ifdef DATA_TYPE_IS_FLOAT
+# define DATA_TYPE float
+# define DATA_PRINTF_MODIFIER "%0.2f "
+# define SCALAR_VAL(x) x##f
+# define SQRT_FUN(x) sqrtf(x)
+# define EXP_FUN(x) expf(x)
+# define POW_FUN(x,y) powf(x,y)
+# endif
+
+#ifdef DATA_TYPE_IS_DOUBLE
+# define DATA_TYPE double
+# define DATA_PRINTF_MODIFIER "%0.2lf "
+# define SCALAR_VAL(x) x
+# define SQRT_FUN(x) sqrt(x)
+# define EXP_FUN(x) exp(x)
+# define POW_FUN(x,y) pow(x,y)
+# endif
+
+#endif /* !_ADI_H */
--
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