use STARPU_MAIN_RAM when appropriate

doc/doxygen/chapters/advanced_examples.doxy

@@ -1103,7 +1103,7 @@ complex interface from a StarPU data handle.
 double *starpu_complex_get_real(starpu_data_handle_t handle)
 {
         struct starpu_complex_interface *complex_interface =
-          (struct starpu_complex_interface *) starpu_data_get_interface_on_node(handle, 0);
+          (struct starpu_complex_interface *) starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
         return complex_interface->real;
 }
 

examples/interface/complex_interface.c

@@ -97,7 +97,7 @@ static void complex_free_data_on_node(void *data_interface, unsigned node)
 static size_t complex_get_size(starpu_data_handle_t handle)
 {
 	size_t size;
-	struct starpu_complex_interface *complex_interface = (struct starpu_complex_interface *) starpu_data_get_interface_on_node(handle, 0);
+	struct starpu_complex_interface *complex_interface = (struct starpu_complex_interface *) starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	size = complex_interface->nx * 2 * sizeof(double);
 	return size;

mpi/src/starpu_mpi.c

@@ -941,8 +941,8 @@ static void _starpu_mpi_copy_cb(void* arg)
 	else
 	{
 		struct starpu_data_interface_ops *itf = starpu_data_get_interface_ops(args->copy_handle);
-		void* itf_src = starpu_data_get_interface_on_node(args->copy_handle,0);
-		void* itf_dst = starpu_data_get_interface_on_node(args->data_handle,0);
+		void* itf_src = starpu_data_get_interface_on_node(args->copy_handle, STARPU_MAIN_RAM);
+		void* itf_dst = starpu_data_get_interface_on_node(args->data_handle, STARPU_MAIN_RAM);
 
 		if (!itf->copy_methods->ram_to_ram)
 		{
@@ -1380,7 +1380,7 @@ static void *_starpu_mpi_progress_thread_func(void *arg)
 						 */
 						_STARPU_MPI_DEBUG(20, "Posting a receive for a data of size %d which has not yet been registered\n", (int)chandle->env->size);
 						chandle->buffer = malloc(chandle->env->size);
-						starpu_vector_data_register(&chandle->handle, 0, (uintptr_t) chandle->buffer, chandle->env->size, 1);
+						starpu_vector_data_register(&chandle->handle, STARPU_MAIN_RAM, (uintptr_t) chandle->buffer, chandle->env->size, 1);
 						add_chandle(chandle);
 					}
 

mpi/tests/datatypes.c

@@ -195,7 +195,7 @@ int main(int argc, char **argv)
 		{
 			float v = 42.12;
 			starpu_data_handle_t variable_handle[2];
-			starpu_variable_data_register(&variable_handle[0], 0, (uintptr_t)&v, sizeof(v));
+			starpu_variable_data_register(&variable_handle[0], STARPU_MAIN_RAM, (uintptr_t)&v, sizeof(v));
 			starpu_variable_data_register(&variable_handle[1], -1, (uintptr_t)NULL, sizeof(v));
 
 			send_recv_and_check(rank, 1, variable_handle[0], 0x42, variable_handle[1], 0x1337, &error, check_variable);
@@ -208,7 +208,7 @@ int main(int argc, char **argv)
 			int vector[4] = {1, 2, 3, 4};
 			starpu_data_handle_t vector_handle[2];
 
-			starpu_vector_data_register(&vector_handle[0], 0, (uintptr_t)vector, 4, sizeof(vector[0]));
+			starpu_vector_data_register(&vector_handle[0], STARPU_MAIN_RAM, (uintptr_t)vector, 4, sizeof(vector[0]));
 			starpu_vector_data_register(&vector_handle[1], -1, (uintptr_t)NULL, 4, sizeof(vector[0]));
 
 			send_recv_and_check(rank, 1, vector_handle[0], 0x43, vector_handle[1], 0x2337, &error, check_vector);
@@ -232,7 +232,7 @@ int main(int argc, char **argv)
 				}
 			}
 
-			starpu_matrix_data_register(&matrix_handle[0], 0, (uintptr_t)matrix, nx, nx, ny, sizeof(char));
+			starpu_matrix_data_register(&matrix_handle[0], STARPU_MAIN_RAM, (uintptr_t)matrix, nx, nx, ny, sizeof(char));
 			starpu_matrix_data_register(&matrix_handle[1], -1, (uintptr_t)NULL, nx, nx, ny, sizeof(char));
 
 			send_recv_and_check(rank, 1, matrix_handle[0], 0x75, matrix_handle[1], 0x8555, &error, check_matrix);
@@ -260,7 +260,7 @@ int main(int argc, char **argv)
 				}
 			}
 
-			starpu_block_data_register(&block_handle[0], 0, (uintptr_t)block, nx, nx*ny, nx, ny, nz, sizeof(float));
+			starpu_block_data_register(&block_handle[0], STARPU_MAIN_RAM, (uintptr_t)block, nx, nx*ny, nx, ny, nz, sizeof(float));
 			starpu_block_data_register(&block_handle[1], -1, (uintptr_t)NULL, nx, nx*ny, nx, ny, nz, sizeof(float));
 
 			send_recv_and_check(rank, 1, block_handle[0], 0x73, block_handle[1], 0x8337, &error, check_block);

mpi/tests/gather.c

@@ -49,7 +49,7 @@ int main(int argc, char **argv)
 			MPI_Status status;
 
 			FPRINTF_MPI("receiving from node %d\n", n);
-			starpu_variable_data_register(&handle, 0, (uintptr_t)&var, sizeof(var));
+			starpu_variable_data_register(&handle, STARPU_MAIN_RAM, (uintptr_t)&var, sizeof(var));
 			starpu_mpi_recv(handle, n, 42, MPI_COMM_WORLD, &status);
 			starpu_data_acquire(handle, STARPU_R);
 			STARPU_ASSERT_MSG(var == n, "Received incorrect value <%d> from node <%d>\n", var, n);
@@ -62,7 +62,7 @@ int main(int argc, char **argv)
 	{
 		FPRINTF_MPI("sending to node %d\n", 0);
 		var = rank;
-		starpu_variable_data_register(&handle, 0, (uintptr_t)&var, sizeof(var));
+		starpu_variable_data_register(&handle, STARPU_MAIN_RAM, (uintptr_t)&var, sizeof(var));
 		starpu_mpi_send(handle, 0, 42, MPI_COMM_WORLD);
 		starpu_data_unregister(handle);
 	}

mpi/tests/gather2.c

@@ -50,7 +50,7 @@ int main(int argc, char **argv)
 
 			FPRINTF_MPI("receiving from node %d\n", n);
 			for(i=0 ; i<2 ; i++)
-				starpu_variable_data_register(&handle[i], 0, (uintptr_t)&var[i], sizeof(var[i]));
+				starpu_variable_data_register(&handle[i], STARPU_MAIN_RAM, (uintptr_t)&var[i], sizeof(var[i]));
 
 			starpu_mpi_recv(handle[0], n, 42, MPI_COMM_WORLD, &status[0]);
 			starpu_data_acquire(handle[0], STARPU_R);
@@ -81,7 +81,7 @@ int main(int argc, char **argv)
 		var[1] = var[0] * 2;
 		var[2] = var[0] * 4;
 		for(i=0 ; i<3 ; i++)
-			starpu_variable_data_register(&handle[i], 0, (uintptr_t)&var[i], sizeof(var[i]));
+			starpu_variable_data_register(&handle[i], STARPU_MAIN_RAM, (uintptr_t)&var[i], sizeof(var[i]));
 		starpu_mpi_send(handle[0], 0, 42, MPI_COMM_WORLD);
 		starpu_mpi_send(handle[1], 0, 42, MPI_COMM_WORLD);
 		starpu_mpi_send(handle[2], 0, 44, MPI_COMM_WORLD);

mpi/tests/user_defined_datatype_value.h

@@ -26,7 +26,7 @@ struct starpu_value_interface
 int *starpu_value_get(starpu_data_handle_t handle)
 {
 	struct starpu_value_interface *value_interface =
-		(struct starpu_value_interface *) starpu_data_get_interface_on_node(handle, 0);
+		(struct starpu_value_interface *) starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 	return value_interface->value;
 }
 

src/core/sched_policy.c

@@ -472,7 +472,7 @@ struct starpu_task *_starpu_create_conversion_task_for_arch(starpu_data_handle_t
 
 #if defined(STARPU_USE_OPENCL) || defined(STARPU_USE_CUDA) || defined(STARPU_USE_MIC) || defined(STARPU_USE_SCC) || defined(STARPU_SIMGRID)
 	/* The node does not really matter here */
-	format_interface = (struct starpu_multiformat_interface *) starpu_data_get_interface_on_node(handle, 0);
+	format_interface = (struct starpu_multiformat_interface *) starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 #endif
 
 	_starpu_spin_lock(&handle->header_lock);

src/datawizard/interfaces/bcsr_interface.c

@@ -142,7 +142,7 @@ static int bcsr_compare(void *data_interface_a, void *data_interface_b)
 uint32_t starpu_bcsr_get_nnz(starpu_data_handle_t handle)
 {
 	struct starpu_bcsr_interface *data_interface = (struct starpu_bcsr_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	return data_interface->nnz;
 }
@@ -150,7 +150,7 @@ uint32_t starpu_bcsr_get_nnz(starpu_data_handle_t handle)
 uint32_t starpu_bcsr_get_nrow(starpu_data_handle_t handle)
 {
 	struct starpu_bcsr_interface *data_interface = (struct starpu_bcsr_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	return data_interface->nrow;
 }
@@ -158,7 +158,7 @@ uint32_t starpu_bcsr_get_nrow(starpu_data_handle_t handle)
 uint32_t starpu_bcsr_get_firstentry(starpu_data_handle_t handle)
 {
 	struct starpu_bcsr_interface *data_interface = (struct starpu_bcsr_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	return data_interface->firstentry;
 }
@@ -166,7 +166,7 @@ uint32_t starpu_bcsr_get_firstentry(starpu_data_handle_t handle)
 uint32_t starpu_bcsr_get_r(starpu_data_handle_t handle)
 {
 	struct starpu_bcsr_interface *data_interface = (struct starpu_bcsr_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	return data_interface->r;
 }
@@ -174,7 +174,7 @@ uint32_t starpu_bcsr_get_r(starpu_data_handle_t handle)
 uint32_t starpu_bcsr_get_c(starpu_data_handle_t handle)
 {
 	struct starpu_bcsr_interface *data_interface = (struct starpu_bcsr_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	return data_interface->c;
 }
@@ -182,7 +182,7 @@ uint32_t starpu_bcsr_get_c(starpu_data_handle_t handle)
 size_t starpu_bcsr_get_elemsize(starpu_data_handle_t handle)
 {
 	struct starpu_bcsr_interface *data_interface = (struct starpu_bcsr_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	return data_interface->elemsize;
 }
@@ -204,7 +204,7 @@ uint32_t *starpu_bcsr_get_local_colind(starpu_data_handle_t handle)
 {
 	/* XXX 0 */
 	struct starpu_bcsr_interface *data_interface = (struct starpu_bcsr_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	return data_interface->colind;
 }
@@ -213,7 +213,7 @@ uint32_t *starpu_bcsr_get_local_rowptr(starpu_data_handle_t handle)
 {
 	/* XXX 0 */
 	struct starpu_bcsr_interface *data_interface = (struct starpu_bcsr_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	return data_interface->rowptr;
 }

src/datawizard/interfaces/block_interface.c

@@ -194,7 +194,7 @@ static void display_block_interface(starpu_data_handle_t handle, FILE *f)
 {
 	struct starpu_block_interface *block_interface;
 
-	block_interface = (struct starpu_block_interface *) starpu_data_get_interface_on_node(handle, 0);
+	block_interface = (struct starpu_block_interface *) starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	fprintf(f, "%u\t%u\t%u\t", block_interface->nx, block_interface->ny, block_interface->nz);
 }
@@ -265,7 +265,7 @@ static size_t block_interface_get_size(starpu_data_handle_t handle)
 	size_t size;
 	struct starpu_block_interface *block_interface;
 
-	block_interface = (struct starpu_block_interface *) starpu_data_get_interface_on_node(handle, 0);
+	block_interface = (struct starpu_block_interface *) starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	size = block_interface->nx*block_interface->ny*block_interface->nz*block_interface->elemsize;
 
@@ -276,7 +276,7 @@ static size_t block_interface_get_size(starpu_data_handle_t handle)
 uint32_t starpu_block_get_nx(starpu_data_handle_t handle)
 {
 	struct starpu_block_interface *block_interface = (struct starpu_block_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	return block_interface->nx;
 }
@@ -284,7 +284,7 @@ uint32_t starpu_block_get_nx(starpu_data_handle_t handle)
 uint32_t starpu_block_get_ny(starpu_data_handle_t handle)
 {
 	struct starpu_block_interface *block_interface = (struct starpu_block_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	return block_interface->ny;
 }
@@ -292,7 +292,7 @@ uint32_t starpu_block_get_ny(starpu_data_handle_t handle)
 uint32_t starpu_block_get_nz(starpu_data_handle_t handle)
 {
 	struct starpu_block_interface *block_interface = (struct starpu_block_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	return block_interface->nz;
 }
@@ -339,7 +339,7 @@ uintptr_t starpu_block_get_local_ptr(starpu_data_handle_t handle)
 size_t starpu_block_get_elemsize(starpu_data_handle_t handle)
 {
 	struct starpu_block_interface *block_interface = (struct starpu_block_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	return block_interface->elemsize;
 }

src/datawizard/interfaces/coo_interface.c

@@ -151,7 +151,7 @@ coo_interface_get_size(starpu_data_handle_t handle)
 {
 	struct starpu_coo_interface *coo_interface;
 	coo_interface = (struct starpu_coo_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	return coo_interface->nx * coo_interface->ny * coo_interface->elemsize;
 }
@@ -161,7 +161,7 @@ coo_interface_footprint(starpu_data_handle_t handle)
 {
 	struct starpu_coo_interface *coo_interface;
 	coo_interface = (struct starpu_coo_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	return starpu_hash_crc32c_be(coo_interface->nx * coo_interface->ny, 0);
 }
@@ -185,7 +185,7 @@ display_coo_interface(starpu_data_handle_t handle, FILE *f)
 {
 	struct starpu_coo_interface *coo_interface =
 	coo_interface = (struct starpu_coo_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	fprintf(f, "%u\t%u", coo_interface->nx, coo_interface->ny);
 }

src/datawizard/interfaces/csr_interface.c

@@ -127,7 +127,7 @@ static int csr_compare(void *data_interface_a, void *data_interface_b)
 uint32_t starpu_csr_get_nnz(starpu_data_handle_t handle)
 {
 	struct starpu_csr_interface *csr_interface = (struct starpu_csr_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	return csr_interface->nnz;
 }
@@ -135,7 +135,7 @@ uint32_t starpu_csr_get_nnz(starpu_data_handle_t handle)
 uint32_t starpu_csr_get_nrow(starpu_data_handle_t handle)
 {
 	struct starpu_csr_interface *csr_interface = (struct starpu_csr_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	return csr_interface->nrow;
 }
@@ -143,7 +143,7 @@ uint32_t starpu_csr_get_nrow(starpu_data_handle_t handle)
 uint32_t starpu_csr_get_firstentry(starpu_data_handle_t handle)
 {
 	struct starpu_csr_interface *csr_interface = (struct starpu_csr_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	return csr_interface->firstentry;
 }
@@ -151,7 +151,7 @@ uint32_t starpu_csr_get_firstentry(starpu_data_handle_t handle)
 size_t starpu_csr_get_elemsize(starpu_data_handle_t handle)
 {
 	struct starpu_csr_interface *csr_interface = (struct starpu_csr_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	return csr_interface->elemsize;
 }

src/datawizard/interfaces/data_interface.c

@@ -365,7 +365,7 @@ void starpu_data_register(starpu_data_handle_t *handleptr, unsigned home_node,
 
 void starpu_data_register_same(starpu_data_handle_t *handledst, starpu_data_handle_t handlesrc)
 {
-	void *local_interface = starpu_data_get_interface_on_node(handlesrc, 0);
+	void *local_interface = starpu_data_get_interface_on_node(handlesrc, STARPU_MAIN_RAM);
 	starpu_data_register(handledst, -1, local_interface, handlesrc->ops);
 }
 
@@ -620,7 +620,7 @@ static void _starpu_data_unregister(starpu_data_handle_t handle, unsigned cohere
 			_STARPU_DEBUG("Conversion needed\n");
 			void *buffers[1];
 			struct starpu_multiformat_interface *format_interface;
-			format_interface = (struct starpu_multiformat_interface *) starpu_data_get_interface_on_node(handle, 0);
+			format_interface = (struct starpu_multiformat_interface *) starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 			struct starpu_codelet *cl = NULL;
 			enum starpu_node_kind node_kind = starpu_node_get_kind(handle->mf_node);
 

src/datawizard/interfaces/matrix_interface.c

@@ -195,7 +195,7 @@ static int matrix_compare(void *data_interface_a, void *data_interface_b)
 static void display_matrix_interface(starpu_data_handle_t handle, FILE *f)
 {
 	struct starpu_matrix_interface *matrix_interface = (struct starpu_matrix_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	fprintf(f, "%u\t%u\t", matrix_interface->nx, matrix_interface->ny);
 }
@@ -253,7 +253,7 @@ static int unpack_matrix_handle(starpu_data_handle_t handle, unsigned node, void
 static size_t matrix_interface_get_size(starpu_data_handle_t handle)
 {
 	struct starpu_matrix_interface *matrix_interface = (struct starpu_matrix_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	size_t size;
 	size = (size_t)matrix_interface->nx*matrix_interface->ny*matrix_interface->elemsize;
@@ -265,7 +265,7 @@ static size_t matrix_interface_get_size(starpu_data_handle_t handle)
 uint32_t starpu_matrix_get_nx(starpu_data_handle_t handle)
 {
 	struct starpu_matrix_interface *matrix_interface = (struct starpu_matrix_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	return matrix_interface->nx;
 }
@@ -273,7 +273,7 @@ uint32_t starpu_matrix_get_nx(starpu_data_handle_t handle)
 uint32_t starpu_matrix_get_ny(starpu_data_handle_t handle)
 {
 	struct starpu_matrix_interface *matrix_interface = (struct starpu_matrix_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	return matrix_interface->ny;
 }
@@ -307,7 +307,7 @@ uintptr_t starpu_matrix_get_local_ptr(starpu_data_handle_t handle)
 size_t starpu_matrix_get_elemsize(starpu_data_handle_t handle)
 {
 	struct starpu_matrix_interface *matrix_interface = (struct starpu_matrix_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	return matrix_interface->elemsize;
 }

src/datawizard/interfaces/multiformat_interface.c

@@ -242,7 +242,7 @@ static void display_multiformat_interface(starpu_data_handle_t handle, FILE *f)
 {
 	struct starpu_multiformat_interface *multiformat_interface;
 	multiformat_interface = (struct starpu_multiformat_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	fprintf(f, "%u\t", multiformat_interface->nx);
 }
@@ -252,7 +252,7 @@ static size_t multiformat_interface_get_size(starpu_data_handle_t handle)
 {
 	size_t size;
 	struct starpu_multiformat_interface *multiformat_interface;
-	multiformat_interface = (struct starpu_multiformat_interface *) starpu_data_get_interface_on_node(handle, 0);
+	multiformat_interface = (struct starpu_multiformat_interface *) starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 	size = multiformat_interface->nx * multiformat_interface->ops->cpu_elemsize;
 	return size;
 }
@@ -260,7 +260,7 @@ static size_t multiformat_interface_get_size(starpu_data_handle_t handle)
 uint32_t starpu_multiformat_get_nx(starpu_data_handle_t handle)
 {
 	struct starpu_multiformat_interface *multiformat_interface;
-	multiformat_interface = (struct starpu_multiformat_interface *) starpu_data_get_interface_on_node(handle, 0);
+	multiformat_interface = (struct starpu_multiformat_interface *) starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 	return multiformat_interface->nx;
 }
 

src/datawizard/interfaces/variable_interface.c

@@ -135,7 +135,7 @@ static int variable_compare(void *data_interface_a, void *data_interface_b)
 static void display_variable_interface(starpu_data_handle_t handle, FILE *f)
 {
 	struct starpu_variable_interface *variable_interface = (struct starpu_variable_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	fprintf(f, "%ld\t", (long)variable_interface->elemsize);
 }
@@ -174,7 +174,7 @@ static int unpack_variable_handle(starpu_data_handle_t handle, unsigned node, vo
 static size_t variable_interface_get_size(starpu_data_handle_t handle)
 {
 	struct starpu_variable_interface *variable_interface = (struct starpu_variable_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	return variable_interface->elemsize;
 }
@@ -191,7 +191,7 @@ uintptr_t starpu_variable_get_local_ptr(starpu_data_handle_t handle)
 
 size_t starpu_variable_get_elemsize(starpu_data_handle_t handle)
 {
-	return STARPU_VARIABLE_GET_ELEMSIZE(starpu_data_get_interface_on_node(handle, 0));
+	return STARPU_VARIABLE_GET_ELEMSIZE(starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM));
 }
 
 /* memory allocation/deallocation primitives for the variable interface */

src/datawizard/interfaces/vector_interface.c

@@ -141,7 +141,7 @@ static int vector_compare(void *data_interface_a, void *data_interface_b)
 static void display_vector_interface(starpu_data_handle_t handle, FILE *f)
 {
 	struct starpu_vector_interface *vector_interface = (struct starpu_vector_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	fprintf(f, "%u\t", vector_interface->nx);
 }
@@ -181,7 +181,7 @@ static size_t vector_interface_get_size(starpu_data_handle_t handle)
 {
 	size_t size;
 	struct starpu_vector_interface *vector_interface = (struct starpu_vector_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	size = vector_interface->nx*vector_interface->elemsize;
 
@@ -192,7 +192,7 @@ static size_t vector_interface_get_size(starpu_data_handle_t handle)
 uint32_t starpu_vector_get_nx(starpu_data_handle_t handle)
 {
 	struct starpu_vector_interface *vector_interface = (struct starpu_vector_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	return vector_interface->nx;
 }
@@ -213,7 +213,7 @@ uintptr_t starpu_vector_get_local_ptr(starpu_data_handle_t handle)
 size_t starpu_vector_get_elemsize(starpu_data_handle_t handle)
 {
 	struct starpu_vector_interface *vector_interface = (struct starpu_vector_interface *)
-		starpu_data_get_interface_on_node(handle, 0);
+		starpu_data_get_interface_on_node(handle, STARPU_MAIN_RAM);
 
 	return vector_interface->elemsize;
 }

src/datawizard/user_interactions.c

@@ -192,7 +192,7 @@ int starpu_data_acquire_cb(starpu_data_handle_t handle,
 int starpu_data_acquire_cb_sequential_consistency(starpu_data_handle_t handle,
 						  enum starpu_data_access_mode mode, void (*callback)(void *), void *arg, int sequential_consistency)
 {
-	return starpu_data_acquire_on_node_cb_sequential_consistency(handle, 0, mode, callback, arg, sequential_consistency);
+	return starpu_data_acquire_on_node_cb_sequential_consistency(handle, STARPU_MAIN_RAM, mode, callback, arg, sequential_consistency);
 }
 
 /*