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add marco PK_DICT_COMPACT_MODE

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方而静 2024-06-14 12:09:46 +08:00
parent a47b52f086
commit 784980af93
1 changed files with 19 additions and 12 deletions
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31
src/objects/dict.c
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@ -5,26 +5,32 @@
#include <string.h> #include <string.h>
#define DICT_MAX_LOAD 0.75 #define DICT_MAX_LOAD 0.75
#define PK_DICT_COMPACT_MODE 1
struct pkpy_DictEntry { struct pkpy_DictEntry {
pkpy_Var key; pkpy_Var key;
pkpy_Var val; pkpy_Var val;
}; };
inline static int pkpy_Dict__idx_size(const pkpy_Dict* self) { inline extern int pkpy_Dict__idx_size(const pkpy_Dict* self) {
#if PK_DICT_COMPACT_MODE
if(self->_htcap < 255) return 1; if(self->_htcap < 255) return 1;
if(self->_htcap < 65535) return 2; if(self->_htcap < 65535) return 2;
#endif
return 4; return 4;
} }
inline static unsigned int pkpy_Dict__idx_null(const pkpy_Dict* self) { inline extern unsigned int pkpy_Dict__idx_null(const pkpy_Dict* self) {
#if PK_DICT_COMPACT_MODE
// if(self->_htcap < 255) return 255; // if(self->_htcap < 255) return 255;
// if(self->_htcap < 65535) return 65535; // if(self->_htcap < 65535) return 65535;
// return 4294967295u; // 2^32 - 1 // return 4294967295u; // 2^32 - 1
return (1u << ((pkpy_Dict__idx_size(self) * 8) & 31)) - 1u; return (1u << ((pkpy_Dict__idx_size(self) * 8) & 31)) - 1u;
#endif
return 4294967295u;
} }
inline static int pkpy_Dict__ht_byte_size(const pkpy_Dict* self) { return self->_htcap * pkpy_Dict__idx_size(self); } inline extern int pkpy_Dict__ht_byte_size(const pkpy_Dict* self) { return self->_htcap * pkpy_Dict__idx_size(self); }
void pkpy_Dict__ctor(pkpy_Dict* self) { void pkpy_Dict__ctor(pkpy_Dict* self) {
self->count = 0; self->count = 0;
@ -50,20 +56,21 @@ pkpy_Dict pkpy_Dict__copy(const pkpy_Dict* self) {
} }
static unsigned int pkpy_Dict__htget(const pkpy_Dict* self, int h) { static unsigned int pkpy_Dict__htget(const pkpy_Dict* self, int h) {
const int *p = (int*)(((char*)self->_hashtable) + h * pkpy_Dict__idx_size(self)); #if PK_DICT_COMPACT_MODE
const unsigned int *p = (const unsigned int*)(((const char*)self->_hashtable) + h * pkpy_Dict__idx_size(self));
return (*p) & pkpy_Dict__idx_null(self); return (*p) & pkpy_Dict__idx_null(self);
#else
return ((const unsigned int*)self->_hashtable)[h];
#endif
} }
static void pkpy_Dict__htset(pkpy_Dict* self, int h, unsigned int v) { static void pkpy_Dict__htset(pkpy_Dict* self, int h, unsigned int v) {
int sz = pkpy_Dict__idx_size(self); #if PK_DICT_COMPACT_MODE
// switch(sz) { unsigned int *p = (unsigned int*)(((char*)self->_hashtable) + h * pkpy_Dict__idx_size(self));
// case 1: ((uint8_t*)self->_hashtable)[h] = v; break;
// case 2: ((uint16_t*)self->_hashtable)[h] = v; break;
// case 4: ((uint32_t*)self->_hashtable)[h] = v; break;
// default: PK_UNREACHABLE();
// }
int *p = ((char*)self->_hashtable) + h * pkpy_Dict__idx_size(self);
*p = v | (*p & ~pkpy_Dict__idx_null(self)); *p = v | (*p & ~pkpy_Dict__idx_null(self));
#else
((unsigned int*)self->_hashtable)[h] = v;
#endif
} }
static int pkpy_Dict__probe0(const pkpy_Dict* self, void* vm, pkpy_Var key, int64_t hash) { static int pkpy_Dict__probe0(const pkpy_Dict* self, void* vm, pkpy_Var key, int64_t hash) {