23 #ifndef DLPACK_DLPACK_H_
24 #define DLPACK_DLPACK_H_
27 #define DLPACK_EXTERN_C extern "C"
29 #define DLPACK_EXTERN_C
33 #define DLPACK_VERSION 020
38 #define DLPACK_DLL __declspec(dllexport)
40 #define DLPACK_DLL __declspec(dllimport)
192 #include <fmt/core.h>
193 #include <fmt/format.h>
199 template <
typename FormatContext>
201 -> decltype(ctx.out()) {
202 const char* text =
nullptr;
211 text =
"kDLCPUPinned";
232 return format_to(ctx.out(), text);
235 template <
typename ParseContext>
236 constexpr
auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
DLDataTypeCode
The type code options DLDataType.
Definition: DLPack.h:96
@ kDLInt
Definition: DLPack.h:97
@ kDLBfloat
Definition: DLPack.h:100
@ kDLFloat
Definition: DLPack.h:99
@ kDLUInt
Definition: DLPack.h:98
DLDeviceType
The device type in DLContext.
Definition: DLPack.h:55
@ kDLVulkan
Vulkan buffer for next generation graphics.
Definition: DLPack.h:68
@ kDLMetal
Metal for Apple GPU.
Definition: DLPack.h:70
@ kDLCPUPinned
Pinned CUDA GPU device by cudaMallocHost.
Definition: DLPack.h:64
@ kDLOpenCL
OpenCL devices.
Definition: DLPack.h:66
@ kDLCPU
CPU device.
Definition: DLPack.h:57
@ kDLROCM
ROCm GPUs for AMD GPUs.
Definition: DLPack.h:74
@ kDLGPU
CUDA GPU device.
Definition: DLPack.h:59
@ kDLExtDev
Reserved extension device type, used for quickly test extension device The semantics can differ depen...
Definition: DLPack.h:80
@ kDLVPI
Verilog simulator buffer.
Definition: DLPack.h:72
struct DLManagedTensor DLManagedTensor
C Tensor object, manage memory of DLTensor. This data structure is intended to facilitate the borrowi...
const char const char value recording_handle imu_sample void
Definition: K4aPlugin.cpp:250
const char const char value recording_handle imu_sample recording_handle uint8_t size_t data_size k4a_record_configuration_t config target_format k4a_capture_t capture_handle k4a_imu_sample_t imu_sample uint64_t
Definition: K4aPlugin.cpp:343
A Device context for Tensor and operator.
Definition: DLPack.h:86
int device_id
The device index.
Definition: DLPack.h:90
DLDeviceType device_type
The device type used in the device.
Definition: DLPack.h:88
The data type the tensor can hold.
Definition: DLPack.h:111
uint16_t lanes
Number of lanes in the type, used for vector types.
Definition: DLPack.h:123
uint8_t bits
Number of bits, common choices are 8, 16, 32.
Definition: DLPack.h:121
uint8_t code
Type code of base types. We keep it uint8_t instead of DLDataTypeCode for minimal memory footprint,...
Definition: DLPack.h:117
C Tensor object, manage memory of DLTensor. This data structure is intended to facilitate the borrowi...
Definition: DLPack.h:174
void(* deleter)(struct DLManagedTensor *self)
Destructor signature void (*)(void*) - this should be called to destruct manager_ctx which holds the ...
Definition: DLPack.h:186
DLTensor dl_tensor
DLTensor which is being memory managed.
Definition: DLPack.h:176
void * manager_ctx
the context of the original host framework of DLManagedTensor in which DLManagedTensor is used in the...
Definition: DLPack.h:180
Plain C Tensor object, does not manage memory.
Definition: DLPack.h:129
int64_t * strides
strides of the tensor (in number of elements, not bytes) can be NULL, indicating tensor is compact an...
Definition: DLPack.h:162
DLContext ctx
The device context of the tensor.
Definition: DLPack.h:151
uint64_t byte_offset
The offset in bytes to the beginning pointer to data.
Definition: DLPack.h:164
void * data
The opaque data pointer points to the allocated data. This will be CUDA device pointer or cl_mem hand...
Definition: DLPack.h:149
int64_t * shape
The shape of the tensor.
Definition: DLPack.h:157
int ndim
Number of dimensions.
Definition: DLPack.h:153
DLDataType dtype
The data type of the pointer.
Definition: DLPack.h:155