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
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
// -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
// vi: set et ts=4 sw=2 sts=2:
// SPDX-FileCopyrightInfo: Copyright © DUNE Project contributors, see file LICENSE.md in module root
// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception
#include <cstdint>
#include <vector>
#include <dune/common/poolallocator.hh>
#include <dune/common/fmatrix.hh>
using namespace Dune;
struct UnAligned
{
char t;
char s;
char k;
};
template<std::size_t size, typename T>
struct testPoolMain
{
static int test()
{
int ret=0;
Pool<T,size> pool;
int elements = Pool<T,size>::elements;
//int poolSize = Pool<T,size>::size;
//int chunkSize = Pool<T,size>::chunkSize;
//int alignedSize = Pool<T,size>::alignedSize;
std::vector<std::uintptr_t> oelements(10*elements);
typedef typename Pool<T,size>::Chunk Chunk;
//Fill 10 chunks
for(int chunk=0; chunk < 10; ++chunk) {
//std::cout<< std::endl<<"Chunk "<<chunk<<" ";
std::uintptr_t element = reinterpret_cast<std::uintptr_t>(pool.allocate());
//void* celement = reinterpret_cast<void*>(element);
//std::cout << element<<" "<< celement<<", "<<std::endl;
Chunk* currentChunk = pool.chunks_;
assert(element==reinterpret_cast<std::uintptr_t>(currentChunk->chunk_));
std::uintptr_t end = reinterpret_cast<std::uintptr_t>(currentChunk->chunk_)+Pool<T,size>::chunkSize;
if(element< reinterpret_cast<std::uintptr_t>(currentChunk->chunk_))
{
std::cerr <<" buffer overflow during first alloc: "<<reinterpret_cast<std::uintptr_t>(currentChunk->chunk_)
<<">"<<element<<"+"<<sizeof(T)<<std::endl;
return ++ret;
}
if(end < element + sizeof(T)) {
std::cerr <<" buffer overflow during first alloc: "<<end<<"<"<<element<<"+"<<sizeof(T)<<std::endl;
return ++ret;
}
oelements[chunk*elements]=element;
for(int i=1; i < elements; i++)
{
element = reinterpret_cast<std::uintptr_t>(pool.allocate());
//celement = reinterpret_cast<void*>(element);
//std::cout << element<<" "<<celement<<", "<<std::endl;
if(element< reinterpret_cast<std::uintptr_t>(currentChunk->chunk_)) {
std::cerr <<" buffer underflow during first alloc: "<<reinterpret_cast<std::uintptr_t>(currentChunk->chunk_)
<<">"<<element<<"+"<<sizeof(T)<<std::endl;
return ++ret;
}
if(end < element + sizeof(T)) {
std::cerr <<" buffer overflow during "<<i<<" alloc: "<<end<<"<"<<element+sizeof(T)<<std::endl;
return ++ret;
}
if(oelements[chunk*elements+i-1]+sizeof(T)>element) {
std::cerr<<"allocated elements overlap!"<<std::endl;
return ++ret;
}
oelements[chunk*elements+i]=element;
}
}
for(int i=0; i < elements*10; ++i)
pool.free(reinterpret_cast<void*>(oelements[i]));
return ret;
}
};
template<typename T>
int testPool()
{
const std::size_t size = sizeof(T)>=2 ? sizeof(T)-2 : 0;
int ret=0;
std::cout<<"Checking "<<typeid(T).name()<<" sizeof="<<sizeof(T)<<" with size "<< size<<
" alignment="<< alignof(T) <<std::endl;
ret += testPoolMain<0,T>::test();
ret += testPoolMain<size,T>::test();
ret += testPoolMain<5*size,T>::test();
ret += testPoolMain<11*size,T>::test();
ret += testPoolMain<33*size,T>::test();
return ret;
}
int testPoolAllocator()
{
int ret=0;
PoolAllocator<double,10> pool;
double *d=pool.allocate(1);
PoolAllocator<float,5> pool1=pool;
PoolAllocator<double,10> pool2=pool;
try
{
pool2.deallocate(d,1);
#ifndef NDEBUG
++ret;
std::cerr<<"ERROR: deallocation should not work with copied allocators."<<std::endl;
#endif
}
catch(const std::bad_alloc&)
{}
pool1.allocate(1);
double *d1=pool2.allocate(1);
pool.deallocate(d,1);
pool2.deallocate(d1,1);
pool2.allocate(1);
return ret;
}
int main(int, char **)
{
int ret=0;
ret += testPool<int>();
ret+= testPool<double>();
ret+= testPool<char>();
ret += testPool<Dune::FieldMatrix<double,10,10> >();
ret+=testPoolAllocator();
std::cout<< alignof(UnAligned) <<" "<<sizeof(UnAligned)<<std::endl;
ret += testPool<UnAligned>();
return ret;
}
|
