From de3209523a16c3c2c298455d2e1f42eecf9eadf1 Mon Sep 17 00:00:00 2001
From: Daniel Maier <daniel.maier@tu-berlin.de>
Date: Mon, 29 Oct 2018 12:02:20 +0100
Subject: [PATCH] gemm application
---
codes/gemm/gemm.c | 146 ++++++++++++++++++++++++++++++++++++++++++++++
codes/gemm/gemm.h | 86 +++++++++++++++++++++++++++
2 files changed, 232 insertions(+)
create mode 100644 codes/gemm/gemm.c
create mode 100644 codes/gemm/gemm.h
diff --git a/codes/gemm/gemm.c b/codes/gemm/gemm.c
new file mode 100644
index 0000000..bdbd33a
--- /dev/null
+++ b/codes/gemm/gemm.c
@@ -0,0 +1,146 @@
+/**
+ * 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
+ */
+/* gemm.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 "gemm.h"
+
+
+/* Array initialization. */
+static
+void init_array(int ni, int nj, int nk,
+ DATA_TYPE *alpha,
+ DATA_TYPE *beta,
+ DATA_TYPE POLYBENCH_2D(C,NI,NJ,ni,nj),
+ DATA_TYPE POLYBENCH_2D(A,NI,NK,ni,nk),
+ DATA_TYPE POLYBENCH_2D(B,NK,NJ,nk,nj))
+{
+ int i, j;
+
+ *alpha = 1.5;
+ *beta = 1.2;
+ for (i = 0; i < ni; i++)
+ for (j = 0; j < nj; j++)
+ C[i][j] = (DATA_TYPE) ((i*j+1) % ni) / ni;
+ for (i = 0; i < ni; i++)
+ for (j = 0; j < nk; j++)
+ A[i][j] = (DATA_TYPE) (i*(j+1) % nk) / nk;
+ for (i = 0; i < nk; i++)
+ for (j = 0; j < nj; j++)
+ B[i][j] = (DATA_TYPE) (i*(j+2) % nj) / nj;
+}
+
+
+/* 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 ni, int nj,
+ DATA_TYPE POLYBENCH_2D(C,NI,NJ,ni,nj))
+{
+ int i, j;
+
+ POLYBENCH_DUMP_START;
+ POLYBENCH_DUMP_BEGIN("C");
+ for (i = 0; i < ni; i++)
+ for (j = 0; j < nj; j++) {
+ if ((i * ni + j) % 20 == 0) fprintf (POLYBENCH_DUMP_TARGET, "\n");
+ fprintf (POLYBENCH_DUMP_TARGET, DATA_PRINTF_MODIFIER, C[i][j]);
+ }
+ POLYBENCH_DUMP_END("C");
+ POLYBENCH_DUMP_FINISH;
+}
+
+
+/* Main computational kernel. The whole function will be timed,
+ including the call and return. */
+static
+void kernel_gemm(int ni, int nj, int nk,
+ DATA_TYPE alpha,
+ DATA_TYPE beta,
+ DATA_TYPE POLYBENCH_2D(C,NI,NJ,ni,nj),
+ DATA_TYPE POLYBENCH_2D(A,NI,NK,ni,nk),
+ DATA_TYPE POLYBENCH_2D(B,NK,NJ,nk,nj))
+{
+ int i, j, k;
+
+//BLAS PARAMS
+//TRANSA = 'N'
+//TRANSB = 'N'
+// => Form C := alpha*A*B + beta*C,
+//A is NIxNK
+//B is NKxNJ
+//C is NIxNJ
+#pragma scop
+ for (i = 0; i < _PB_NI; i++) {
+ for (j = 0; j < _PB_NJ; j++)
+ C[i][j] *= beta;
+ for (k = 0; k < _PB_NK; k++) {
+ for (j = 0; j < _PB_NJ; j++)
+ C[i][j] += alpha * A[i][k] * B[k][j];
+ }
+ }
+#pragma endscop
+
+}
+
+
+int main(int argc, char** argv)
+{
+ /* Retrieve problem size. */
+ int ni = NI;
+ int nj = NJ;
+ int nk = NK;
+
+ /* Variable declaration/allocation. */
+ DATA_TYPE alpha;
+ DATA_TYPE beta;
+ POLYBENCH_2D_ARRAY_DECL(C,DATA_TYPE,NI,NJ,ni,nj);
+ POLYBENCH_2D_ARRAY_DECL(A,DATA_TYPE,NI,NK,ni,nk);
+ POLYBENCH_2D_ARRAY_DECL(B,DATA_TYPE,NK,NJ,nk,nj);
+
+ /* Initialize array(s). */
+ init_array (ni, nj, nk, &alpha, &beta,
+ POLYBENCH_ARRAY(C),
+ POLYBENCH_ARRAY(A),
+ POLYBENCH_ARRAY(B));
+
+ /* Start timer. */
+ polybench_start_instruments;
+
+ /* Run kernel. */
+ kernel_gemm (ni, nj, nk,
+ alpha, beta,
+ POLYBENCH_ARRAY(C),
+ POLYBENCH_ARRAY(A),
+ POLYBENCH_ARRAY(B));
+
+ /* 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(ni, nj, POLYBENCH_ARRAY(C)));
+
+ /* Be clean. */
+ POLYBENCH_FREE_ARRAY(C);
+ POLYBENCH_FREE_ARRAY(A);
+ POLYBENCH_FREE_ARRAY(B);
+
+ return 0;
+}
diff --git a/codes/gemm/gemm.h b/codes/gemm/gemm.h
new file mode 100644
index 0000000..0d18a0b
--- /dev/null
+++ b/codes/gemm/gemm.h
@@ -0,0 +1,86 @@
+/**
+ * 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 _GEMM_H
+# define _GEMM_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(NI) && !defined(NJ) && !defined(NK)
+/* Define sample dataset sizes. */
+# ifdef MINI_DATASET
+# define NI 20
+# define NJ 25
+# define NK 30
+# endif
+
+# ifdef SMALL_DATASET
+# define NI 60
+# define NJ 70
+# define NK 80
+# endif
+
+# ifdef MEDIUM_DATASET
+# define NI 200
+# define NJ 220
+# define NK 240
+# endif
+
+# ifdef LARGE_DATASET
+# define NI 1000
+# define NJ 1100
+# define NK 1200
+# endif
+
+# ifdef EXTRALARGE_DATASET
+# define NI 2000
+# define NJ 2300
+# define NK 2600
+# endif
+
+
+#endif /* !(NI NJ NK) */
+
+# define _PB_NI POLYBENCH_LOOP_BOUND(NI,ni)
+# define _PB_NJ POLYBENCH_LOOP_BOUND(NJ,nj)
+# define _PB_NK POLYBENCH_LOOP_BOUND(NK,nk)
+
+
+/* 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 /* !_GEMM_H */
--
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