blob: 7500a8cb6707d7289b5df5dcf8bc18f1f9f58e66 (
plain)
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
|
#pragma once
#include <cstdlib>
#include <new>
#ifdef _MSC_VER
#include <malloc.h>
#endif
// 64-byte aligned simple vector.
namespace intgemm {
template <class T> class AlignedVector {
public:
explicit AlignedVector(std::size_t size)
: size_(size) {
#ifdef _MSC_VER
mem_ = static_cast<T*>(_aligned_malloc(size * sizeof(T), 64));
if (!mem_) throw std::bad_alloc();
#else
if (posix_memalign(reinterpret_cast<void **>(&mem_), 64, size * sizeof(T))) {
throw std::bad_alloc();
}
#endif
}
AlignedVector(const AlignedVector&) = delete;
AlignedVector& operator=(const AlignedVector&) = delete;
~AlignedVector() {
#ifdef _MSC_VER
_aligned_free(mem_);
#else
std::free(mem_);
#endif
}
std::size_t size() const { return size_; }
T &operator[](std::size_t offset) { return mem_[offset]; }
const T &operator[](std::size_t offset) const { return mem_[offset]; }
T *begin() { return mem_; }
const T *begin() const { return mem_; }
T *end() { return mem_ + size_; }
const T *end() const { return mem_ + size_; }
template <typename ReturnType>
ReturnType *as() { return reinterpret_cast<ReturnType*>(mem_); }
private:
T *mem_;
std::size_t size_;
};
} // namespace intgemm
|
