bicg application

codes/bicg/bicg.c

+/**
+ * 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
+ */
+/* bicg.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 "bicg.h"
+
+
+/* Array initialization. */
+static
+void init_array (int m, int n,
+		 DATA_TYPE POLYBENCH_2D(A,N,M,n,m),
+		 DATA_TYPE POLYBENCH_1D(r,N,n),
+		 DATA_TYPE POLYBENCH_1D(p,M,m))
+{
+  int i, j;
+
+  for (i = 0; i < m; i++)
+    p[i] = (DATA_TYPE)(i % m) / m;
+  for (i = 0; i < n; i++) {
+    r[i] = (DATA_TYPE)(i % n) / n;
+    for (j = 0; j < m; j++)
+      A[i][j] = (DATA_TYPE) (i*(j+1) % n)/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 m, int n,
+		 DATA_TYPE POLYBENCH_1D(s,M,m),
+		 DATA_TYPE POLYBENCH_1D(q,N,n))
+
+{
+  int i;
+
+  POLYBENCH_DUMP_START;
+  POLYBENCH_DUMP_BEGIN("s");
+  for (i = 0; i < m; i++) {
+    if (i % 20 == 0) fprintf (POLYBENCH_DUMP_TARGET, "\n");
+    fprintf (POLYBENCH_DUMP_TARGET, DATA_PRINTF_MODIFIER, s[i]);
+  }
+  POLYBENCH_DUMP_END("s");
+  POLYBENCH_DUMP_BEGIN("q");
+  for (i = 0; i < n; i++) {
+    if (i % 20 == 0) fprintf (POLYBENCH_DUMP_TARGET, "\n");
+    fprintf (POLYBENCH_DUMP_TARGET, DATA_PRINTF_MODIFIER, q[i]);
+  }
+  POLYBENCH_DUMP_END("q");
+  POLYBENCH_DUMP_FINISH;
+}
+
+
+/* Main computational kernel. The whole function will be timed,
+   including the call and return. */
+static
+void kernel_bicg(int m, int n,
+		 DATA_TYPE POLYBENCH_2D(A,N,M,n,m),
+		 DATA_TYPE POLYBENCH_1D(s,M,m),
+		 DATA_TYPE POLYBENCH_1D(q,N,n),
+		 DATA_TYPE POLYBENCH_1D(p,M,m),
+		 DATA_TYPE POLYBENCH_1D(r,N,n))
+{
+  int i, j;
+
+#pragma scop
+  for (i = 0; i < _PB_M; i++)
+    s[i] = 0;
+  for (i = 0; i < _PB_N; i++)
+    {
+      q[i] = SCALAR_VAL(0.0);
+      for (j = 0; j < _PB_M; j++)
+	{
+	  s[j] = s[j] + r[i] * A[i][j];
+	  q[i] = q[i] + A[i][j] * p[j];
+	}
+    }
+#pragma endscop
+
+}
+
+
+int main(int argc, char** argv)
+{
+  /* Retrieve problem size. */
+  int n = N;
+  int m = M;
+
+  /* Variable declaration/allocation. */
+  POLYBENCH_2D_ARRAY_DECL(A, DATA_TYPE, N, M, n, m);
+  POLYBENCH_1D_ARRAY_DECL(s, DATA_TYPE, M, m);
+  POLYBENCH_1D_ARRAY_DECL(q, DATA_TYPE, N, n);
+  POLYBENCH_1D_ARRAY_DECL(p, DATA_TYPE, M, m);
+  POLYBENCH_1D_ARRAY_DECL(r, DATA_TYPE, N, n);
+
+  /* Initialize array(s). */
+  init_array (m, n,
+	      POLYBENCH_ARRAY(A),
+	      POLYBENCH_ARRAY(r),
+	      POLYBENCH_ARRAY(p));
+
+  /* Start timer. */
+  polybench_start_instruments;
+
+  /* Run kernel. */
+  kernel_bicg (m, n,
+	       POLYBENCH_ARRAY(A),
+	       POLYBENCH_ARRAY(s),
+	       POLYBENCH_ARRAY(q),
+	       POLYBENCH_ARRAY(p),
+	       POLYBENCH_ARRAY(r));
+
+  /* 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(m, n, POLYBENCH_ARRAY(s), POLYBENCH_ARRAY(q)));
+
+  /* Be clean. */
+  POLYBENCH_FREE_ARRAY(A);
+  POLYBENCH_FREE_ARRAY(s);
+  POLYBENCH_FREE_ARRAY(q);
+  POLYBENCH_FREE_ARRAY(p);
+  POLYBENCH_FREE_ARRAY(r);
+
+  return 0;
+}

codes/bicg/bicg.h

+/**
+ * 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 _BICG_H
+# define _BICG_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(M) && !defined(N)
+/* Define sample dataset sizes. */
+#  ifdef MINI_DATASET
+#   define M 38
+#   define N 42
+#  endif
+
+#  ifdef SMALL_DATASET
+#   define M 116
+#   define N 124
+#  endif
+
+#  ifdef MEDIUM_DATASET
+#   define M 390
+#   define N 410
+#  endif
+
+#  ifdef LARGE_DATASET
+#   define M 1900
+#   define N 2100
+#  endif
+
+#  ifdef EXTRALARGE_DATASET
+#   define M 1800
+#   define N 2200
+#  endif
+
+
+#endif /* !(M N) */
+
+# define _PB_M POLYBENCH_LOOP_BOUND(M,m)
+# 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 /* !_BICG_H */