18 #ifndef __DRIVER_CUDA_H__
19 #define __DRIVER_CUDA_H__
23 #include <common/config.h>
25 #ifdef STARPU_USE_CUDA
27 #include <cuda_runtime_api.h>
32 #include <core/workers.h>
38 void _starpu_cuda_init(
void);
39 unsigned _starpu_get_cuda_device_count(
void);
40 extern int _starpu_cuda_bus_ids[STARPU_MAXCUDADEVS+STARPU_MAXNUMANODES][STARPU_MAXCUDADEVS+STARPU_MAXNUMANODES];
42 #if defined(STARPU_USE_CUDA) || defined(STARPU_SIMGRID)
44 void _starpu_init_cuda(
void);
45 void *_starpu_cuda_worker(
void *);
47 # define _starpu_cuda_discover_devices(config) ((void) config)
50 #ifdef STARPU_USE_CUDA
51 cudaStream_t starpu_cuda_get_local_in_transfer_stream(
void);
52 cudaStream_t starpu_cuda_get_in_transfer_stream(
unsigned dst_node);
53 cudaStream_t starpu_cuda_get_local_out_transfer_stream(
void);
54 cudaStream_t starpu_cuda_get_out_transfer_stream(
unsigned src_node);
55 cudaStream_t starpu_cuda_get_peer_transfer_stream(
unsigned src_node,
unsigned dst_node);
61 int _starpu_cuda_copy_interface_from_cpu_to_cuda(starpu_data_handle_t handle,
void *src_interface,
unsigned src_node,
void *dst_interface,
unsigned dst_node,
struct _starpu_data_request *req);
62 int _starpu_cuda_copy_interface_from_cuda_to_cuda(starpu_data_handle_t handle,
void *src_interface,
unsigned src_node,
void *dst_interface,
unsigned dst_node,
struct _starpu_data_request *req);
63 int _starpu_cuda_copy_interface_from_cuda_to_cpu(starpu_data_handle_t handle,
void *src_interface,
unsigned src_node,
void *dst_interface,
unsigned dst_node,
struct _starpu_data_request *req);
65 int _starpu_cuda_copy_data_from_cuda_to_cuda(uintptr_t src,
size_t src_offset,
unsigned src_node, uintptr_t dst,
size_t dst_offset,
unsigned dst_node,
size_t size,
struct _starpu_async_channel *async_channel);
66 int _starpu_cuda_copy_data_from_cuda_to_cpu(uintptr_t src,
size_t src_offset,
unsigned src_node, uintptr_t dst,
size_t dst_offset,
unsigned dst_node,
size_t size,
struct _starpu_async_channel *async_channel);
67 int _starpu_cuda_copy_data_from_cpu_to_cuda(uintptr_t src,
size_t src_offset,
unsigned src_node, uintptr_t dst,
size_t dst_offset,
unsigned dst_node,
size_t size,
struct _starpu_async_channel *async_channel);
69 int _starpu_cuda_copy2d_data_from_cuda_to_cuda(uintptr_t src,
size_t src_offset,
unsigned src_node, uintptr_t dst,
size_t dst_offset,
unsigned dst_node,
size_t blocksize,
size_t numblocks,
size_t ld_src,
size_t ld_dst,
struct _starpu_async_channel *async_channel);
70 int _starpu_cuda_copy2d_data_from_cuda_to_cpu(uintptr_t src,
size_t src_offset,
unsigned src_node, uintptr_t dst,
size_t dst_offset,
unsigned dst_node,
size_t blocksize,
size_t numblocks,
size_t ld_src,
size_t ld_dst,
struct _starpu_async_channel *async_channel);
71 int _starpu_cuda_copy2d_data_from_cpu_to_cuda(uintptr_t src,
size_t src_offset,
unsigned src_node, uintptr_t dst,
size_t dst_offset,
unsigned dst_node,
size_t blocksize,
size_t numblocks,
size_t ld_src,
size_t ld_dst,
struct _starpu_async_channel *async_channel);
73 int _starpu_cuda_copy3d_data_from_cuda_to_cuda(uintptr_t src,
size_t src_offset,
unsigned src_node, uintptr_t dst,
size_t dst_offset,
unsigned dst_node,
size_t blocksize,
size_t numblocks_1,
size_t ld1_src,
size_t ld1_dst,
size_t numblocks_2,
size_t ld2_src,
size_t ld2_dst,
struct _starpu_async_channel *async_channel);
74 int _starpu_cuda_copy3d_data_from_cuda_to_cpu(uintptr_t src,
size_t src_offset,
unsigned src_node, uintptr_t dst,
size_t dst_offset,
unsigned dst_node,
size_t blocksize,
size_t numblocks_1,
size_t ld1_src,
size_t ld1_dst,
size_t numblocks_2,
size_t ld2_src,
size_t ld2_dst,
struct _starpu_async_channel *async_channel);
75 int _starpu_cuda_copy3d_data_from_cpu_to_cuda(uintptr_t src,
size_t src_offset,
unsigned src_node, uintptr_t dst,
size_t dst_offset,
unsigned dst_node,
size_t blocksize,
size_t numblocks_1,
size_t ld1_src,
size_t ld1_dst,
size_t numblocks_2,
size_t ld2_src,
size_t ld2_dst,
struct _starpu_async_channel *async_channel);
77 int _starpu_cuda_is_direct_access_supported(
unsigned node,
unsigned handling_node);
78 uintptr_t _starpu_cuda_malloc_on_node(
unsigned dst_node,
size_t size,
int flags);
79 void _starpu_cuda_free_on_node(
unsigned dst_node, uintptr_t addr,
size_t size,
int flags);
81 #endif // __DRIVER_CUDA_H__