blob: 328740cc0560ed1240e1f448859c0638a938b94e (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <vespa/vespalib/datastore/array_store_config.h>
#include <vespa/vespalib/datastore/buffer_type.h>
#include <memory>
namespace vespalib::alloc { class MemoryAllocator; }
namespace search::tensor {
class TensorBufferOperations;
class TensorBufferTypeMapper;
/*
* Class representing buffer type for tensors with a small number of
* subspaces in array store. Tensor buffers are internal in data store buffer.
*/
class SmallSubspacesBufferType : public vespalib::datastore::BufferType<char>
{
using AllocSpec = vespalib::datastore::ArrayStoreConfig::AllocSpec;
using ParentType = vespalib::datastore::BufferType<char>;
std::shared_ptr<vespalib::alloc::MemoryAllocator> _memory_allocator;
TensorBufferOperations& _ops;
public:
SmallSubspacesBufferType(const SmallSubspacesBufferType&) = delete;
SmallSubspacesBufferType& operator=(const SmallSubspacesBufferType&) = delete;
SmallSubspacesBufferType(SmallSubspacesBufferType&&) noexcept = default;
SmallSubspacesBufferType& operator=(SmallSubspacesBufferType&&) noexcept = delete;
SmallSubspacesBufferType(uint32_t array_size, const AllocSpec& spec, std::shared_ptr<vespalib::alloc::MemoryAllocator> memory_allocator, TensorBufferTypeMapper& type_mapper) noexcept;
~SmallSubspacesBufferType() override;
void clean_hold(void* buffer, size_t offset, EntryCount num_entries, CleanContext cleanCtx) override;
void destroy_entries(void *buffer, EntryCount num_entries) override;
void fallback_copy(void *newBuffer, const void *oldBuffer, EntryCount num_entries) override;
void initialize_reserved_entries(void *buffer, EntryCount reserved_entries) override;
const vespalib::alloc::MemoryAllocator* get_memory_allocator() const override;
};
}
|
