18#ifndef __DRIVER_CUDA_H__
19#define __DRIVER_CUDA_H__
23#include <common/config.h>
25void _starpu_cuda_preinit(
void);
29#include <cuda_runtime_api.h>
30#ifdef STARPU_HAVE_NVML_H
36#include <core/workers.h>
39#pragma GCC visibility push(hidden)
44extern int _starpu_nworker_per_cuda;
46void _starpu_cuda_init(
void);
47unsigned _starpu_get_cuda_device_count(
void);
48#ifdef STARPU_HAVE_HWLOC
50hwloc_obj_t _starpu_cuda_get_hwloc_obj(hwloc_topology_t topology,
int devid);
52extern int _starpu_cuda_bus_ids[STARPU_MAXCUDADEVS+STARPU_MAXNUMANODES][STARPU_MAXCUDADEVS+STARPU_MAXNUMANODES];
54#if defined(STARPU_USE_CUDA) || defined(STARPU_SIMGRID)
59void _starpu_init_cuda(
void);
60void _starpu_init_cublas_v2_func(
void);
61void _starpu_shutdown_cublas_v2_func(
void);
62void _starpu_cublas_v2_init(
void);
63void _starpu_cublas_v2_shutdown(
void);
64void *_starpu_cuda_worker(
void *);
65#ifdef STARPU_HAVE_NVML_H
66nvmlDevice_t _starpu_cuda_get_nvmldev(
struct cudaDeviceProp *props);
67extern __typeof__(nvmlInit) *_starpu_nvmlInit;
68extern __typeof__(nvmlDeviceGetNvLinkState) *_starpu_nvmlDeviceGetNvLinkState;
69extern __typeof__(nvmlDeviceGetNvLinkRemotePciInfo) *_starpu_nvmlDeviceGetNvLinkRemotePciInfo;
70extern __typeof__(nvmlDeviceGetHandleByIndex) *_starpu_nvmlDeviceGetHandleByIndex;
71extern __typeof__(nvmlDeviceGetHandleByPciBusId) *_starpu_nvmlDeviceGetHandleByPciBusId;
72extern __typeof__(nvmlDeviceGetIndex) *_starpu_nvmlDeviceGetIndex;
73extern __typeof__(nvmlDeviceGetPciInfo) *_starpu_nvmlDeviceGetPciInfo;
74extern __typeof__(nvmlDeviceGetUUID) *_starpu_nvmlDeviceGetUUID;
75#ifdef HAVE_DECL_NVMLDEVICEGETTOTALENERGYCONSUMPTION
76extern __typeof__(nvmlDeviceGetTotalEnergyConsumption) *_starpu_nvmlDeviceGetTotalEnergyConsumption;
81# define _starpu_cuda_discover_devices(config) ((void) config)
85#ifdef STARPU_USE_CUDA_MAP
86uintptr_t _starpu_cuda_map_ram(uintptr_t src_ptr,
size_t src_offset,
unsigned src_node,
unsigned dst_node,
size_t size,
int *ret);
87int _starpu_cuda_unmap_ram(uintptr_t src_ptr,
size_t src_offset,
unsigned src_node, uintptr_t dst_ptr,
unsigned dst_node,
size_t size);
88int _starpu_cuda_update_map(uintptr_t src,
size_t src_offset,
unsigned src_node, uintptr_t dst,
size_t dst_offset,
unsigned dst_node,
size_t size);
95int _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);
96int _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);
97int _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);
99int _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);
100int _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);
101int _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);
103int _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);
104int _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);
105int _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);
107int _starpu_cuda_is_direct_access_supported(
unsigned node,
unsigned handling_node);
108uintptr_t _starpu_cuda_malloc_on_node(
unsigned dst_node,
size_t size,
int flags);
109void _starpu_cuda_free_on_node(
unsigned dst_node, uintptr_t addr,
size_t size,
int flags);
111#pragma GCC visibility pop
Definition copy_driver.h:71
int devid[STARPU_NARCH][STARPU_NMAXDEVS]
Definition workers.h:404