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@@ -1,7 +1,7 @@
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/* StarPU --- Runtime system for heterogeneous multicore architectures.
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*
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* Copyright (C) 2010, 2011, 2012 Centre National de la Recherche Scientifique
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- * Copyright (C) 2011 Institut National de Recherche en Informatique et Automatique
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+ * Copyright (C) 2011, 2012 inria
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*
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* StarPU is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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@@ -20,46 +20,51 @@
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#include "../../../helper.h"
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/*
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- * XXX : These values should not be changed. If you really understand all that
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- * BCSR stuff, feel free to write a better example :)
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+ * In this test, we use the following matrix:
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+ *
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+ * +----------------+
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+ * | 0 1 0 0 |
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+ * | 2 3 0 0 |
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+ * | 4 5 8 9 |
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+ * | 6 7 10 11 |
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+ * +----------------+
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+ *
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+ * nzval = [0, 1, 2, 3] ++ [4, 5, 6, 7] ++ [8, 9, 10, 11]
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+ * colind = [0, 0, 1]
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+ * rowptr = [0, 1 ]
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+ * r = c = 2
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*/
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-/* Size of the matrix */
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-#define WIDTH 4
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-#define HEIGHT 4
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-#define SIZE (WIDTH * HEIGHT)
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-
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/* Size of the blocks */
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#define R 2
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#define C 2
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-#define BLOCK_SIZE (R*C)
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-
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-/* The matrix is simply 0 1 2... There are SIZE-1 non zero values... */
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-#define NNZ (SIZE-1)
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-
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-/* ... and SIZE/BLOCK_SIZE non zero blocks */
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-#define NNZ_BLOCKS (SIZE/BLOCK_SIZE)
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+#define NNZ_BLOCKS 3 /* out of 4 */
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+#define NZVAL_SIZE (R*C*NNZ_BLOCKS)
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#ifdef STARPU_USE_CPU
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static void test_bcsr_cpu_func(void *buffers[], void *args);
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#endif /* !STARPU_USE_CPU */
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#ifdef STARPU_USE_CUDA
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extern void test_bcsr_cuda_func(void *buffers[], void *_args);
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-#endif
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+#endif /* !STARPU_USE_CUDA */
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#ifdef STARPU_USE_OPENCL
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extern void test_bcsr_opencl_func(void *buffers[], void *args);
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-#endif
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+#endif /* !STARPU_USE_OPENCL */
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-static int nzval[NNZ];
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-static int nzval2[NNZ];
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+static int nzval[NZVAL_SIZE] = {
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+ 0, 1, 2, 3, /* Fisrt block */
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+ 4, 5, 6, 7, /* Second block */
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+ 8, 9, 10, 11 /* Third block */
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+};
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+static int nzval2[NZVAL_SIZE];
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-static uint32_t colind[NNZ_BLOCKS];
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+static uint32_t colind[NNZ_BLOCKS] = { 0, 0, 2 };
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static uint32_t colind2[NNZ_BLOCKS];
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-static uint32_t rowptr[1+WIDTH/R];
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-static uint32_t rowptr2[1+WIDTH/R];
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+static uint32_t rowptr[2] = { 0, 1 };
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+static uint32_t rowptr2[2];
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static starpu_data_handle_t bcsr_handle;
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static starpu_data_handle_t bcsr2_handle;
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@@ -85,28 +90,14 @@ struct test_config bcsr_config =
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static void
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register_data(void)
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{
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- int i;
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-
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- for (i = 0; i < NNZ; i++)
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- nzval[i] = i;
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-
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- colind[0] = 0;
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- colind[1] = 2;
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- colind[2] = 0;
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- colind[3] = 2;
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-
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- rowptr[0] = 0;
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- rowptr[1] = 2;
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- rowptr[2] = 4;
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-
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starpu_bcsr_data_register(&bcsr_handle,
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0,
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NNZ_BLOCKS,
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- HEIGHT/R,
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+ 1, /* nrow */
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(uintptr_t) nzval,
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colind,
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rowptr,
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- 0,
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+ 0, /* firstentry */
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R,
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C,
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sizeof(nzval[0]));
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@@ -114,11 +105,11 @@ register_data(void)
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starpu_bcsr_data_register(&bcsr2_handle,
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0,
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NNZ_BLOCKS,
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- HEIGHT/R,
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+ 1, /* nrow */
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(uintptr_t) nzval2,
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colind2,
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rowptr2,
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- 0,
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+ 0, /* firstentry */
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R,
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C,
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sizeof(nzval2[0]));
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@@ -141,6 +132,15 @@ test_bcsr_cpu_func(void *buffers[], void *args)
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int i;
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uint32_t nnz = STARPU_BCSR_GET_NNZ(buffers[0]);
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+ uint32_t r = ((struct starpu_bcsr_interface *)buffers[0])->r;
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+ uint32_t c = ((struct starpu_bcsr_interface *)buffers[0])->c;
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+ if (r != R || c != C)
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+ {
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+ bcsr_config.copy_failed = 1;
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+ return;
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+ }
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+ nnz *= (r*c);
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+
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val = (int *) STARPU_BCSR_GET_NZVAL(buffers[0]);
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factor = *(int *) args;
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@@ -154,6 +154,8 @@ test_bcsr_cpu_func(void *buffers[], void *args)
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val[i] *= -1;
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}
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+#if 0
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+ /* TODO */
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/* Check colind */
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uint32_t *col = STARPU_BCSR_GET_COLIND(buffers[0]);
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for (i = 0; i < NNZ_BLOCKS; i++)
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@@ -165,6 +167,7 @@ test_bcsr_cpu_func(void *buffers[], void *args)
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for (i = 0; i < 1 + WIDTH/R; i++)
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if (row[i] != rowptr[i])
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bcsr_config.copy_failed = 1;
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+#endif
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}
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int
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@@ -194,4 +197,3 @@ main(void)
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return data_interface_test_summary_success(summary);
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}
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-
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