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ultimatepp/uppdev/NewCore2/Heap.cpp
cxl 4a1c627474 Adding uppdev.... 
git-svn-id: svn://ultimatepp.org/upp/trunk@328 f0d560ea-af0d-0410-9eb7-867de7ffcac7
2008-08-15 08:36:24 +00:00

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#include "Core.h"
#include "HeapImp.h"
namespace Upp {
extern byte *Alloc4KBRaw();
};
#define LTIMING(x) // RTIMING(x)
static int klass[] = { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,
16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,20,20,20,20,20,20,20,20,20,20,20,20,20,20,
20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20 };
static int klasz[] = { 16, 32, 48, 64, 80, 96, 112, 128, 144, 160, 176, 192, 224, 288, 352, 448, 576, 672, 800, 992, 1344 };
static int klasl[] = { 4080, 4064, 4016, 4000, 3952, 3968, 3952, 3872, 3920, 3872, 3904, 3872, 3840, 3776, 3552, 3616, 3488, 3392, 3232, 3008, 2720 };
static int klasn[] = { 254, 127, 84, 63, 50, 42, 36, 31, 28, 25, 23, 21, 18, 14, 11, 9, 7, 6, 5, 4, 3 };
#define MPAGE(a, x) { 0, 0, 0, 0, 0, NULL, a[x], a[x] },
inline
void MPage::Format(int k)
{
klass = k;
count = klasn[k];
freecount = 0;
free = klasl[k];
freelist = NULL;
}
#ifdef flagMT
#ifdef COMPILER_MSC
__declspec(thread)
#else
__thread
#endif
#endif
MCache mcache[10];
static MPage sFull[NKLASS][1] = {
#define SFULL(x) MPAGE(sFull, x)
SFULL(0) SFULL(1) SFULL(2) SFULL(3) SFULL(4) SFULL(5) SFULL(6) SFULL(7)
SFULL(8) SFULL(9) SFULL(10) SFULL(11) SFULL(12) SFULL(13) SFULL(14) SFULL(15)
SFULL(16) SFULL(17) SFULL(18) SFULL(19) SFULL(20)
};
static MPage sWork[NKLASS][1] = {
#define SWORK(x) MPAGE(sWork, x)
SWORK(0) SWORK(1) SWORK(2) SWORK(3) SWORK(4) SWORK(5) SWORK(6) SWORK(7)
SWORK(8) SWORK(9) SWORK(10) SWORK(11) SWORK(12) SWORK(13) SWORK(14) SWORK(15)
SWORK(16) SWORK(17) SWORK(18) SWORK(19) SWORK(20)
};
static MPage sFree[1] = { MPAGE(&sFree, 0) };
static StaticCriticalSection sHeapLock;
void MCheck()
{
INTERLOCKED_(sHeapLock) {
for(int i = 0; i < NKLASS; i++) {
MPage *p = sWork[i]->next;
while(p != sWork[i]) {
ASSERT(p->free <= 4096);
p = p->next;
}
}
}
}
static inline void *sMAllocK(int k)
{
MPage *p = sWork[k]->next;
for(;;) {
if(p->free >= 32) {
void *r = (byte *)p + p->free;
if(p->free > 4096)
LOGHEXDUMP((byte *)p - 32, 100);
p->free -= klasz[k];
return r;
}
FreeLink *b = p->freelist;
if(b) {
p->freelist = b->next;
--p->freecount;
return b;
}
if(p->next == p) {
p = sFree->next;
if(p->next == p)
p = (MPage *)Alloc4KBRaw();
else
p->Unlink();
p->Format(k);
p->Link(sWork[k]);
}
else {
p->Unlink();
p->Link(sFull[k]);
p = sWork[k]->next;
}
}
}
static inline FreeLink *sMAllocKN(int k)
{
MPage *p = sWork[k]->next;
int n = CACHERES;
int sz = klasz[k];
FreeLink *l = NULL;
for(;;) {
while(p->free >= 32) {
if(n == 0) return l;
FreeLink *b = (FreeLink *)((byte *)p + p->free);
p->free -= sz;
b->next = l;
l = b;
n--;
}
for(;;) {
if(n == 0) return l;
FreeLink *b = p->freelist;
if(!b) break;
p->freelist = b->next;
--p->freecount;
b->next = l;
l = b;
n--;
}
if(p->next == p) {
p = sFree->next;
if(p->next == p)
p = (MPage *)Alloc4KBRaw();
else
p->Unlink();
p->Format(k);
p->Link(sWork[k]);
}
else {
p->Unlink();
p->Link(sFull[k]);
p = sWork[k]->next;
}
}
}
static inline void sMFreeK(void *ptr, MPage *p, int k)
{
((FreeLink *)ptr)->next = p->freelist;
p->freelist = (FreeLink *)ptr;
if(p->freecount == 0) {
p->freecount = 1;
p->Unlink();
p->Link(sWork[k]);
}
else
p->freecount++;
if(p->freecount == p->count) {
p->Unlink();
p->Link(sFree);
}
}
void *MAlloc_Get(MCache& m, int k)
{
FreeLink *l;
INTERLOCKED_(sHeapLock)
l = sMAllocKN(k);
m.list = l->next;
m.count = CACHERES - 1;
return l;
}
void *MAlloc(size_t& size)
{
LTIMING("MAlloc");
size_t sz = size;
if(sz == 0) sz = 1;
if(sz <= 144) {
int k = (sz - 1) >> 4;
MCache& m = mcache[k];
FreeLink *l = m.list;
if(l == NULL) {
ASSERT(m.count == 0);
INTERLOCKED_(sHeapLock)
l = sMAllocKN(k);
m.count = CACHERES;
}
m.count--;
m.list = l->next;
size = (k + 1) << 4;
return l;
}
if(sz <= 1344) {
int k = klass[sz];
size = klasz[k];
sHeapLock.Enter();
void *p = sMAllocK(k);
sHeapLock.Leave();
return p;
}
void *ptr = malloc(sz + 16 + 8);
uintptr_t p = (uintptr_t)ptr;
p = (p + 15) & ~(uintptr_t)15;
*(void **)p = ptr;
return (void *)(p + 8);
}
inline void MFree_Reduce(MCache& m, int k)
{
FreeLink *l = m.list;
INTERLOCKED_(sHeapLock)
for(int i = 0; i < CACHERES; i++) {
FreeLink *f = l;
l = l->next;
sMFreeK(f, (MPage *)((uintptr_t)f & ~(uintptr_t)4095), k);
}
m.list = l;
m.count -= CACHERES;
}
void MFree(void *ptr)
{
LTIMING("MFree");
if(!ptr) return;
if(((dword)(uintptr_t)ptr) & 8)
free(*(void **)((byte *)ptr - 8));
else {
MPage *p = (MPage *)((uintptr_t)ptr & ~(uintptr_t)4095);
int k = p->klass;
if(k < 9) {
MCache& m = mcache[k];
((FreeLink *)ptr)->next = m.list;
m.list = (FreeLink *)ptr;
ASSERT(m.count >= 0);
if(++m.count > CACHEMAX)
MFree_Reduce(m, k);
}
else
INTERLOCKED_(sHeapLock)
sMFreeK(ptr, p, k);
}
}
void MThreadFree()
{
for(int k = 0; k < 9; k++) {
MCache& m = mcache[k];
FreeLink *l = m.list;
INTERLOCKED_(sHeapLock) {
while(l) {
FreeLink *f = l;
l = l->next;
sMFreeK(f, (MPage *)((uintptr_t)f & ~(uintptr_t)4095), 1);
}
m.list = NULL;
m.count = 0;
}
}
}
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