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lua: add reference counting for strings - this will need A LOT of testing, but it should finally fix the excessive memory usage problems triggered by luci

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SVN-Revision: 18136
This commit is contained in:
Felix Fietkau
2009-10-24 22:19:13 +00:00
parent eff75d868b
commit 8f98214617
3 changed files with 1112 additions and 305 deletions
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32
package/lua/patches/300-opcode_performance.patch
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@@ -10,7 +10,7 @@
/*
* If 'obj' is a string, it is tried to be interpreted as a number.
@@ -564,12 +567,63 @@
@@ -562,12 +565,63 @@ static inline int arith_mode( const TVal
ARITH_OP1_END
#endif
@@ -74,7 +74,7 @@
reentry: /* entry point */
lua_assert(isLua(L->ci));
pc = L->savedpc;
@@ -594,33 +648,33 @@
@@ -592,33 +646,33 @@ void luaV_execute (lua_State *L, int nex
lua_assert(base == L->base && L->base == L->ci->base);
lua_assert(base <= L->top && L->top <= L->stack + L->stacksize);
lua_assert(L->top == L->ci->top || luaG_checkopenop(i));
@@ -115,7 +115,7 @@
TValue g;
TValue *rb = KBx(i);
sethvalue(L, &g, cl->env);
@@ -628,88 +682,88 @@
@@ -626,88 +680,88 @@ void luaV_execute (lua_State *L, int nex
Protect(luaV_gettable(L, &g, rb, ra));
continue;
}
@@ -219,7 +219,7 @@
const TValue *rb = RB(i);
switch (ttype(rb)) {
case LUA_TTABLE: {
@@ -729,18 +783,18 @@
@@ -727,18 +781,18 @@ void luaV_execute (lua_State *L, int nex
}
continue;
}
@@ -241,7 +241,7 @@
TValue *rb = RKB(i);
TValue *rc = RKC(i);
Protect(
@@ -750,7 +804,7 @@
@@ -748,7 +802,7 @@ void luaV_execute (lua_State *L, int nex
pc++;
continue;
}
@@ -250,7 +250,7 @@
Protect(
if (luaV_lessthan(L, RKB(i), RKC(i)) == GETARG_A(i))
dojump(L, pc, GETARG_sBx(*pc));
@@ -758,7 +812,7 @@
@@ -756,7 +810,7 @@ void luaV_execute (lua_State *L, int nex
pc++;
continue;
}
@@ -259,7 +259,7 @@
Protect(
if (lessequal(L, RKB(i), RKC(i)) == GETARG_A(i))
dojump(L, pc, GETARG_sBx(*pc));
@@ -766,13 +820,13 @@
@@ -764,13 +818,13 @@ void luaV_execute (lua_State *L, int nex
pc++;
continue;
}
@@ -275,7 +275,7 @@
TValue *rb = RB(i);
if (l_isfalse(rb) != GETARG_C(i)) {
setobjs2s(L, ra, rb);
@@ -781,7 +835,7 @@
@@ -779,7 +833,7 @@ void luaV_execute (lua_State *L, int nex
pc++;
continue;
}
@@ -284,7 +284,7 @@
int b = GETARG_B(i);
int nresults = GETARG_C(i) - 1;
if (b != 0) L->top = ra+b; /* else previous instruction set top */
@@ -802,7 +856,7 @@
@@ -800,7 +854,7 @@ void luaV_execute (lua_State *L, int nex
}
}
}
@@ -293,7 +293,7 @@
int b = GETARG_B(i);
if (b != 0) L->top = ra+b; /* else previous instruction set top */
L->savedpc = pc;
@@ -834,7 +888,7 @@
@@ -832,7 +886,7 @@ void luaV_execute (lua_State *L, int nex
}
}
}
@@ -302,7 +302,7 @@
int b = GETARG_B(i);
if (b != 0) L->top = ra+b-1;
if (L->openupval) luaF_close(L, base);
@@ -849,7 +903,7 @@
@@ -847,7 +901,7 @@ void luaV_execute (lua_State *L, int nex
goto reentry;
}
}
@@ -311,7 +311,7 @@
/* If start,step and limit are all integers, we don't need to check
* against overflow in the looping.
*/
@@ -877,7 +931,7 @@
@@ -875,7 +929,7 @@ void luaV_execute (lua_State *L, int nex
}
continue;
}
@@ -320,7 +320,7 @@
const TValue *init = ra;
const TValue *plimit = ra+1;
const TValue *pstep = ra+2;
@@ -900,7 +954,7 @@
@@ -898,7 +952,7 @@ void luaV_execute (lua_State *L, int nex
dojump(L, pc, GETARG_sBx(i));
continue;
}
@@ -329,7 +329,7 @@
StkId cb = ra + 3; /* call base */
setobjs2s(L, cb+2, ra+2);
setobjs2s(L, cb+1, ra+1);
@@ -916,7 +970,7 @@
@@ -914,7 +968,7 @@ void luaV_execute (lua_State *L, int nex
pc++;
continue;
}
@@ -338,7 +338,7 @@
int n = GETARG_B(i);
int c = GETARG_C(i);
int last;
@@ -938,11 +992,11 @@
@@ -936,11 +990,11 @@ void luaV_execute (lua_State *L, int nex
}
continue;
}
@@ -352,7 +352,7 @@
Proto *p;
Closure *ncl;
int nup, j;
@@ -962,7 +1016,7 @@
@@ -960,7 +1014,7 @@ void luaV_execute (lua_State *L, int nex
Protect(luaC_checkGC(L));
continue;
}