fa7debb0c3
This implements most of the std::vector interface, with some minor elisions of infrequently used methods such as "insert", and some STL bookkeeping. Performance is favorable compared to std::vector, and, in some cases, somewhat better than naive code to manually manage a malloc'd dynamic array. BM_FlatArray_Push: 100 iterations in 72889721 nanos: 728897.21 nanos/it BM_FlatArray_Fill: 100 iterations in 2700746 nanos: 27007.46 nanos/it BM_FlatArray_Memset: 100 iterations in 2687810 nanos: 26878.10 nanos/it BM_rcVector_Push: 100 iterations in 51114316 nanos: 511143.16 nanos/it BM_rcVector_PushPreallocated: 100 iterations in 9532106 nanos: 95321.06 nanos/it BM_rcVector_Assign: 100 iterations in 2371534 nanos: 23715.34 nanos/it BM_rcVector_AssignIndices: 100 iterations in 2573052 nanos: 25730.52 nanos/it BM_rcVector_Resize: 100 iterations in 2455761 nanos: 24557.61 nanos/it BM_stdvector_Push: 100 iterations in 71739167 nanos: 717391.67 nanos/it BM_stdvector_PushPreallocated: 100 iterations in 15723737 nanos: 157237.37 nanos/it BM_stdvector_Assign: 100 iterations in 2564985 nanos: 25649.85 nanos/it BM_stdvector_AssignIndices: 100 iterations in 5174923 nanos: 51749.23 nanos/it BM_stdvector_Resize: 100 iterations in 2520054 nanos: 25200.54 nanos/it
61 lines
1.8 KiB
C++
61 lines
1.8 KiB
C++
//
|
|
// Copyright (c) 2009-2010 Mikko Mononen memon@inside.org
|
|
//
|
|
// This software is provided 'as-is', without any express or implied
|
|
// warranty. In no event will the authors be held liable for any damages
|
|
// arising from the use of this software.
|
|
// Permission is granted to anyone to use this software for any purpose,
|
|
// including commercial applications, and to alter it and redistribute it
|
|
// freely, subject to the following restrictions:
|
|
// 1. The origin of this software must not be misrepresented; you must not
|
|
// claim that you wrote the original software. If you use this software
|
|
// in a product, an acknowledgment in the product documentation would be
|
|
// appreciated but is not required.
|
|
// 2. Altered source versions must be plainly marked as such, and must not be
|
|
// misrepresented as being the original software.
|
|
// 3. This notice may not be removed or altered from any source distribution.
|
|
//
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include "RecastAlloc.h"
|
|
#include "RecastAssert.h"
|
|
|
|
static void *rcAllocDefault(size_t size, rcAllocHint)
|
|
{
|
|
return malloc(size);
|
|
}
|
|
|
|
static void rcFreeDefault(void *ptr)
|
|
{
|
|
free(ptr);
|
|
}
|
|
|
|
static rcAllocFunc* sRecastAllocFunc = rcAllocDefault;
|
|
static rcFreeFunc* sRecastFreeFunc = rcFreeDefault;
|
|
|
|
/// @see rcAlloc, rcFree
|
|
void rcAllocSetCustom(rcAllocFunc *allocFunc, rcFreeFunc *freeFunc)
|
|
{
|
|
sRecastAllocFunc = allocFunc ? allocFunc : rcAllocDefault;
|
|
sRecastFreeFunc = freeFunc ? freeFunc : rcFreeDefault;
|
|
}
|
|
|
|
/// @see rcAllocSetCustom
|
|
void* rcAlloc(size_t size, rcAllocHint hint)
|
|
{
|
|
return sRecastAllocFunc(size, hint);
|
|
}
|
|
|
|
/// @par
|
|
///
|
|
/// @warning This function leaves the value of @p ptr unchanged. So it still
|
|
/// points to the same (now invalid) location, and not to null.
|
|
///
|
|
/// @see rcAllocSetCustom
|
|
void rcFree(void* ptr)
|
|
{
|
|
if (ptr)
|
|
sRecastFreeFunc(ptr);
|
|
}
|