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
|
/*========================== begin_copyright_notice ============================
Copyright (C) 2017-2021 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#include "Arena.h"
#ifdef COLLECT_ALLOCATION_STATS
int numAllocations = 0;
int numMallocCalls = 0;
int totalAllocSize = 0;
int totalMallocSize = 0;
int numMemManagers = 0;
int maxArenaLength = 0;
int currentMallocSize = 0;
#endif
using namespace vISA;
void *ArenaHeader::AllocSpace(size_t size, size_t al) {
vASSERT(DefaultAlign(size_t(_nextByte)) == size_t(_nextByte));
void *allocSpace = (void *)AlignAddr((size_t)_nextByte, al);
if (size) {
size = DefaultAlign(
size); // round up size so that next address is at least max aligned
if (_nextByte + size <= _lastByte) {
_nextByte += size;
} else {
allocSpace = 0;
}
} else {
allocSpace = 0;
}
return allocSpace;
}
void ArenaManager::FreeArenas() {
while (_arenas) {
#ifdef COLLECT_ALLOCATION_STATS
currentMallocSize -= _arenas->size;
#endif
unsigned char *killed = (unsigned char *)_arenas;
_arenas = _arenas->_nextArena;
delete[] killed;
}
_arenas = 0;
}
|
