litert:: TensorBufferRequirements

#include <litert_tensor_buffer_requirements.h>

Represents the requirements for allocating a TensorBuffer .

Summary

This class is the C++ equivalent of LiteRtTensorBufferRequirements and is typically specified by a hardware accelerator for a given I/O tensor.

Combine this with LiteRtTensorBufferRequirementsT .

Constructors and Destructors

Public functions

Alignment () const
Expected < size_t >
BufferSize () const
Expected < size_t >
Strides () const
Expected < absl::Span< const uint32_t > >
SupportedType (int index) const
Expected < TensorBufferType >
SupportedTypes () const
Expected < std::vector< TensorBufferType > >

Public static functions

Create (absl::Span< const TensorBufferType > buffer_types, size_t buffer_size, absl::Span< const uint32_t > strides)
CreateWithAlignment (absl::Span< const TensorBufferType > buffer_types, size_t buffer_size, size_t alignment, absl::Span< const uint32_t > strides)

Friend classes

Joins two TensorBufferRequirements into a single one.

Public functions

Alignment

  Expected 
 
<  
 size_t 
 > 
 Alignment 
 () 
  
 const 
  

BufferSize

  Expected 
 
<  
 size_t 
 > 
 BufferSize 
 () 
  
 const 
  

Strides

  Expected 
 
<  
 absl 
 :: 
 Span 
<  
 const 
  
 uint32_t 
 > > 
 Strides 
 () 
  
 const 
  

SupportedType

  Expected 
 
<  
 TensorBufferType 
 > 
 SupportedType 
 ( 
  
 int 
  
 index 
 ) 
  
 const 
  

SupportedTypes

  Expected 
 
<  
 std 
 :: 
 vector 
<  
 TensorBufferType 
 > > 
 SupportedTypes 
 () 
  
 const 
  

TensorBufferRequirements

TensorBufferRequirements()=default

Public static functions

Create

  Expected 
 
<  
  TensorBufferRequirements 
 
 > 
 Create 
 ( 
  
 absl 
 :: 
 Span 
<  
 const 
  
 TensorBufferType 
 > 
 buffer_types 
 , 
  
 size_t 
  
 buffer_size 
 , 
  
 absl 
 :: 
 Span 
<  
 const 
  
 uint32_t 
 > 
 strides 
 ) 

CreateWithAlignment

  Expected 
 
<  
  TensorBufferRequirements 
 
 > 
 CreateWithAlignment 
 ( 
  
 absl 
 :: 
 Span 
<  
 const 
  
 TensorBufferType 
 > 
 buffer_types 
 , 
  
 size_t 
  
 buffer_size 
 , 
  
 size_t 
  
 alignment 
 , 
  
 absl 
 :: 
 Span 
<  
 const 
  
 uint32_t 
 > 
 strides 
 ) 

Friend classes

Join

 friend 
  
  Expected 
 
<  
  TensorBufferRequirements 
 
 > 
 Join 
 ( 
 const 
  
 TensorBufferRequirements 
  
& src1 
 , 
  
 const 
  
 TensorBufferRequirements 
  
& src2 
 ) 

Joins two TensorBufferRequirements into a single one.

The joined requirements will have the common supported types, the maximum buffer size, the maximum alignment, and the same strides of the two requirements. If the two requirements are incompatible, an error is returned.

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