Add test to test disk to disk functionnality

tests/Makefile.am

@@ -278,6 +278,7 @@ myPROGRAMS +=				\
 	datawizard/invalidate_pending_requests	\
 	datawizard/temporary_partition		\
 	disk/disk_copy				\
+	disk/disk_copy_to_disk			\
 	disk/disk_compute			\
 	disk/disk_pack				\
 	disk/mem_reclaim			\

tests/disk/disk_copy_to_disk.c

@@ -0,0 +1,412 @@
+/* StarPU --- Runtime system for heterogeneous multicore architectures.
+ *
+ * Copyright (C) 2017  Inria
+ *
+ * StarPU is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or (at
+ * your option) any later version.
+ *
+ * StarPU is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * See the GNU Lesser General Public License in COPYING.LGPL for more details.
+ */
+
+#include <fcntl.h>
+#include <starpu.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <math.h>
+#include <common/config.h>
+#include "../helper.h"
+
+#ifdef STARPU_HAVE_HDF5
+#include <hdf5.h>
+#endif
+
+/*
+ * Try to write into disk memory
+ * Use mechanism to push data from disk to disk.
+ */
+
+#define NX (16*1024)
+
+int dotest(struct starpu_disk_ops *ops, char *base)
+{
+	int *A, *C;
+
+	/* Initialize StarPU with default configuration */
+	int ret = starpu_init(NULL);
+	if (ret == -ENODEV) goto enodev;
+
+	/* Initialize path and name */
+	const char *name_file_start = "STARPU_DISK_COMPUTE_DATA";
+	const char *name_dir_src = "src";
+	const char *name_dir_dst = "dst";
+
+	char * path_file_start = malloc(strlen(base) + 1 + strlen(name_dir_src) + 1 + strlen(name_file_start) + 1);
+	strcpy(path_file_start, base);
+	strcat(path_file_start, "/");
+	strcat(path_file_start, name_dir_src);
+	strcat(path_file_start, "/");
+	strcat(path_file_start, name_file_start);
+
+        char * base_src = malloc(strlen(base) + 1 + strlen(name_dir_src) + 1);
+        strcpy(base_src, base);
+        strcat(base_src, "/");
+        strcat(base_src, name_dir_src);
+
+        char * base_dst = malloc(strlen(base) + 1 + strlen(name_dir_dst) + 1);
+        strcpy(base_dst, base);
+        strcat(base_dst, "/");
+        strcat(base_dst, name_dir_dst);
+
+	/* register a disks */
+	int disk_src = starpu_disk_register(ops, (void *) base_src, STARPU_DISK_SIZE_MIN);
+	if (disk_src == -ENOENT) goto enoent;
+
+	int disk_dst = starpu_disk_register(ops, (void *) base_dst, STARPU_DISK_SIZE_MIN);
+	if (disk_dst == -ENOENT) goto enoent;
+
+	/* allocate two memory spaces */
+	starpu_malloc_flags((void **)&A, NX*sizeof(int), STARPU_MALLOC_COUNT);
+	starpu_malloc_flags((void **)&C, NX*sizeof(int), STARPU_MALLOC_COUNT);
+
+	FPRINTF(stderr, "TEST DISK MEMORY \n");
+
+	unsigned int j;
+	/* you register them in a vector */
+	for(j = 0; j < NX; ++j)
+	{
+		A[j] = j;
+		C[j] = 0;
+	}
+
+	/* you create a file to store the vector ON the disk */
+	FILE * f = fopen(path_file_start, "wb+");
+	if (f == NULL)
+		goto enoent2;
+
+	/* store it in the file */
+	fwrite(A, sizeof(int), NX, f);
+
+	/* close the file */
+	fclose(f);
+
+	int descriptor = open(path_file_start, O_RDWR);
+	if (descriptor < 0)
+		goto enoent2;
+#ifdef STARPU_HAVE_WINDOWS
+	_commit(descriptor);
+#else
+	fsync(descriptor);
+#endif
+	close(descriptor);
+
+	/* And now, you want to use your datas in StarPU */
+	/* Open the file ON the disk */
+	void * data = starpu_disk_open(disk_src, (void *) name_file_start, NX*sizeof(int));
+
+	starpu_data_handle_t vector_handleA;
+	starpu_vector_data_register(&vector_handleA, disk_src, (uintptr_t) data, NX, sizeof(int));
+
+	/* Move and invalidate copy to an other disk */
+	starpu_data_acquire_on_node(vector_handleA, disk_dst, STARPU_W);
+	starpu_data_release_on_node(vector_handleA, disk_dst);
+
+	starpu_data_acquire_on_node(vector_handleA, disk_src, STARPU_W);
+	starpu_data_release_on_node(vector_handleA, disk_src);
+
+	/* free them */
+	starpu_data_unregister(vector_handleA);
+
+	/* close them in StarPU */
+	starpu_disk_close(disk_src, data, NX*sizeof(int));
+
+	/* check results */
+	f = fopen(path_file_start, "rb+");
+	if (f == NULL)
+		goto enoent2;
+	/* take datas */
+	size_t read = fread(C, sizeof(int), NX, f);
+        STARPU_ASSERT(read == NX);
+
+	/* close the file */
+	fclose(f);
+
+	int try = 1;
+	for (j = 0; j < NX; ++j)
+		if (A[j] != C[j])
+		{
+			FPRINTF(stderr, "Fail A %d != C %d \n", A[j], C[j]);
+			try = 0;
+		}
+
+	starpu_free_flags(A, NX*sizeof(int), STARPU_MALLOC_COUNT);
+	starpu_free_flags(C, NX*sizeof(int), STARPU_MALLOC_COUNT);
+
+	/* terminate StarPU, no task can be submitted after */
+	starpu_shutdown();
+
+	unlink(path_file_start);
+	rmdir(base_src);
+
+	free(base_src);
+	free(base_dst);
+	free(path_file_start);
+
+	if(try)
+		FPRINTF(stderr, "TEST SUCCESS\n");
+	else
+		FPRINTF(stderr, "TEST FAIL\n");
+	return try ? EXIT_SUCCESS : EXIT_FAILURE;
+
+enodev:
+	return STARPU_TEST_SKIPPED;
+enoent2:
+	starpu_free_flags(A, NX*sizeof(int), STARPU_MALLOC_COUNT);
+	starpu_free_flags(C, NX*sizeof(int), STARPU_MALLOC_COUNT);
+enoent:
+	free(base_src);
+	free(base_dst);
+	free(path_file_start);
+
+	FPRINTF(stderr, "Couldn't write data: ENOENT\n");
+	starpu_shutdown();
+	return STARPU_TEST_SKIPPED;
+}
+
+#ifdef STARPU_HAVE_HDF5
+int dotest_hdf5(struct starpu_disk_ops *ops, char *base)
+{
+	int *A, *C;
+        herr_t status;
+
+
+	/* Initialize path */
+	const char *path_obj_start = "STARPU_DISK_COMPUTE_DATA";
+	const char *name_hdf5_start = "STARPU_HDF5_src_file.h5";
+	const char *name_hdf5_end = "STARPU_HDF5_dst_file.h5";
+
+        char * hdf5_base_src = malloc(strlen(base) + 1 + strlen(name_hdf5_start) + 1);
+        strcpy(hdf5_base_src, base);
+        strcat(hdf5_base_src, "/");
+        strcat(hdf5_base_src, name_hdf5_start);
+
+        char * hdf5_base_dst = malloc(strlen(base) + 1 + strlen(name_hdf5_end) + 1);
+        strcpy(hdf5_base_dst, base);
+        strcat(hdf5_base_dst, "/");
+        strcat(hdf5_base_dst, name_hdf5_end);
+
+        /* Open and close files, just to create empty files */
+        FILE * file_src = fopen(hdf5_base_src, "wb+");
+        if (!file_src)
+                goto h5fail2;
+        fclose(file_src);
+
+        FILE * file_dst = fopen(hdf5_base_dst, "wb+");
+        if (!file_dst)
+	{
+		fclose(file_src);
+                goto h5fail2;
+	}
+        fclose(file_dst);
+
+	/* Initialize StarPU with default configuration */
+	int ret = starpu_init(NULL);
+	if (ret == -ENODEV) goto h5enodev;
+
+	/* register disks */
+	int disk_src = starpu_disk_register(ops, (void *) hdf5_base_src, STARPU_DISK_SIZE_MIN);
+	if (disk_src == -ENOENT) goto h5enoent;
+
+	int disk_dst = starpu_disk_register(ops, (void *) hdf5_base_dst, STARPU_DISK_SIZE_MIN);
+	if (disk_dst == -ENOENT) goto h5enoent;
+
+	/* allocate two memory spaces */
+	starpu_malloc_flags((void **)&A, NX*sizeof(int), STARPU_MALLOC_COUNT);
+	starpu_malloc_flags((void **)&C, NX*sizeof(int), STARPU_MALLOC_COUNT);
+
+	FPRINTF(stderr, "TEST DISK MEMORY \n");
+
+	unsigned int j;
+	/* you register them in a vector */
+	for(j = 0; j < NX; ++j)
+	{
+		A[j] = j;
+		C[j] = 0;
+	}
+
+	/* Open HDF5 file to store data */
+        hid_t file = H5Fopen(hdf5_base_src, H5F_ACC_RDWR, H5P_DEFAULT);
+        if (file < 0)
+                goto h5fail;
+
+	/* store initial data in the file */
+        hsize_t dims[1] = {NX};
+        hid_t dataspace = H5Screate_simple(1, dims, NULL);
+        if (dataspace < 0)
+        {
+                H5Fclose(file);
+                goto h5fail;
+        }
+
+        hid_t dataset = H5Dcreate2(file, path_obj_start, H5T_NATIVE_INT, dataspace, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+        if (dataset < 0)
+        {
+                H5Sclose(dataspace);
+                H5Fclose(file);
+                goto h5fail;
+        }
+
+        status = H5Dwrite(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, A);
+
+	/* close the resources before checking the writing */
+        H5Dclose(dataset);
+
+        if (status < 0)
+        {
+                H5Fclose(file);
+                goto h5fail;
+        }
+
+        H5Sclose(dataspace);
+        H5Fclose(file);
+
+	/* Open the file ON the disk */
+	void * data = starpu_disk_open(disk_src, (void *) path_obj_start, NX*sizeof(int));
+
+	starpu_data_handle_t vector_handleA;
+	starpu_vector_data_register(&vector_handleA, disk_src, (uintptr_t) data, NX, sizeof(int));
+
+	/* Move and invalidate copy to an other disk */
+	starpu_data_acquire_on_node(vector_handleA, disk_dst, STARPU_W);
+	starpu_data_release_on_node(vector_handleA, disk_dst);
+
+	starpu_data_acquire_on_node(vector_handleA, disk_src, STARPU_W);
+	starpu_data_release_on_node(vector_handleA, disk_src);
+
+	starpu_data_unregister(vector_handleA);
+
+	/* close them in StarPU */
+	starpu_disk_close(disk_src, data, NX*sizeof(int));
+
+	/* check results */
+        file = H5Fopen(hdf5_base_src, H5F_ACC_RDWR, H5P_DEFAULT);
+        if (file < 0)
+                goto h5fail;
+
+        dataset = H5Dopen2(file, path_obj_start, H5P_DEFAULT);
+        if (dataset < 0)
+        {
+                H5Fclose(file);
+                goto h5fail;
+        }
+
+        status = H5Dread(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, C);
+
+	/* close the resources before checking the writing */
+        H5Dclose(dataset);
+        H5Fclose(file);
+
+        if (status < 0)
+                goto h5fail;
+
+	int try = 1;
+	for (j = 0; j < NX; ++j)
+		if (A[j] != C[j])
+		{
+			FPRINTF(stderr, "Fail A %d != C %d \n", A[j], C[j]);
+			try = 0;
+		}
+
+	starpu_free_flags(A, NX*sizeof(int), STARPU_MALLOC_COUNT);
+	starpu_free_flags(C, NX*sizeof(int), STARPU_MALLOC_COUNT);
+
+	/* terminate StarPU, no task can be submitted after */
+	starpu_shutdown();
+
+        unlink(hdf5_base_src);
+        unlink(hdf5_base_dst);
+
+	free(hdf5_base_src);
+	free(hdf5_base_dst);
+
+	if(try)
+		FPRINTF(stderr, "TEST SUCCESS\n");
+	else
+		FPRINTF(stderr, "TEST FAIL\n");
+	return (try ? EXIT_SUCCESS : EXIT_FAILURE);
+
+h5fail:
+	starpu_free_flags(A, NX*sizeof(int), STARPU_MALLOC_COUNT);
+	starpu_free_flags(C, NX*sizeof(int), STARPU_MALLOC_COUNT);
+h5enoent:
+	FPRINTF(stderr, "Couldn't write data: ENOENT\n");
+	starpu_shutdown();
+h5enodev:
+        unlink(hdf5_base_src);
+        unlink(hdf5_base_dst);
+	free(hdf5_base_src);
+	free(hdf5_base_dst);
+	return STARPU_TEST_SKIPPED;
+h5fail2:
+	free(hdf5_base_src);
+	free(hdf5_base_dst);
+	FPRINTF(stderr, "Something goes wrong with HDF5 dataset/dataspace/write \n");
+        return EXIT_FAILURE;
+
+}
+#endif
+
+static int merge_result(int old, int new)
+{
+	if (new == EXIT_FAILURE)
+		return EXIT_FAILURE;
+	if (old == 0)
+		return 0;
+	return new;
+}
+
+int main(void)
+{
+	int ret = 0;
+	int ret2;
+	char s[128];
+	char *ptr;
+
+	snprintf(s, sizeof(s), "/tmp/%s-disk-XXXXXX", getenv("USER"));
+	ptr = _starpu_mkdtemp(s);
+	if (!ptr)
+	{
+		FPRINTF(stderr, "Cannot make directory '%s'\n", s);
+		return STARPU_TEST_SKIPPED;
+	}
+
+	ret = merge_result(ret, dotest(&starpu_disk_stdio_ops, s));
+	ret = merge_result(ret, dotest(&starpu_disk_unistd_ops, s));
+#ifdef STARPU_LINUX_SYS
+	if ((NX * sizeof(int)) % getpagesize() == 0)
+	{
+		ret = merge_result(ret, dotest(&starpu_disk_unistd_o_direct_ops, s));
+	}
+	else
+	{
+		ret = merge_result(ret, STARPU_TEST_SKIPPED);
+	}
+#endif
+#ifdef STARPU_HAVE_HDF5
+        ret = merge_result(ret, dotest_hdf5(&starpu_disk_hdf5_ops, s));
+#endif
+
+	ret2 = rmdir(s);
+	if (ret2 < 0)
+		STARPU_CHECK_RETURN_VALUE(-errno, "rmdir '%s'\n", s);
+	return ret;
+}