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GpuCudaBufferMgr.h
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1 /*
2  * Copyright 2017 MapD Technologies, Inc.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 
20 
21 namespace CudaMgr_Namespace {
22 class CudaMgr;
23 }
24 
25 namespace Buffer_Namespace {
26 
27 class GpuCudaBufferMgr : public BufferMgr {
28  public:
29  GpuCudaBufferMgr(const int device_id,
30  const size_t max_buffer_size,
32  const size_t buffer_alloc_increment = 1073741824,
33  const size_t page_size = 512,
34  AbstractBufferMgr* parent_mgr = 0);
35  inline MgrType getMgrType() override { return GPU_MGR; }
36  inline std::string getStringMgrType() override { return ToString(GPU_MGR); }
37  ~GpuCudaBufferMgr() override;
38 
39  private:
40  void addSlab(const size_t slab_size) override;
41  void freeAllMem() override;
42  void allocateBuffer(BufferList::iterator seg_it,
43  const size_t page_size,
44  const size_t initial_size) override;
46 };
47 
48 } // namespace Buffer_Namespace
Note(s): Forbid Copying Idiom 4.1.
Definition: BufferMgr.h:97
std::string getStringMgrType() override
CudaMgr_Namespace::CudaMgr * cuda_mgr_