Extend lookup code to boolean searched-for array

This commit is contained in:
Marshall Lochbaum 2022-10-21 20:11:40 -04:00
parent d9519eb6e1
commit 96740566e9

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@ -4,26 +4,31 @@
#include "../utils/talloc.h"
#define TABLE(IN, FOR, TY, INIT, SET) \
usz it = 1<<(8*elWidth(IN##e)); /* Range of writes */ \
usz ft = 1<<(8*elWidth(FOR##e)); /* Range of lookups */ \
usz t = it>ft? it : ft; /* Table allocation width */ \
TY* rp; B r = m_##TY##arrc(&rp, FOR); \
TALLOC(TY, tab0, t); TY* tab = tab0 + t/2; \
usz m=IN##ia, n=FOR##ia; \
void* ip = tyany_ptr(IN); \
void* fp = tyany_ptr(FOR); \
/* Initialize */ \
if (FOR##e==el_i16 && n<ft/64) \
{ for (usz i=0; i<n; i++) tab[((i16*)fp)[i]]=INIT; } \
else { for (i64 i=0; i<ft; i++) tab[i-ft/2]=INIT; } \
/* Set */ \
if (IN##e==el_i8) { for (usz i=m; i--; ) tab[((i8 *)ip)[i]]=SET; } \
else { for (usz i=m; i--; ) tab[((i16*)ip)[i]]=SET; } \
decG(IN); \
/* Lookup */ \
if (FOR##e==el_i8){ for (usz i=0; i<n; i++) rp[i]=tab[((i8 *)fp)[i]]; } \
else { for (usz i=0; i<n; i++) rp[i]=tab[((i16*)fp)[i]]; } \
decG(FOR); TFREE(tab0);
usz it = 1<<(1<<elWidthLogBits(IN##e)); /* Range of writes */ \
usz ft = 1<<(1<<elWidthLogBits(FOR##e)); /* Range of lookups */ \
usz t = it>ft? it : ft; /* Table allocation width */ \
TALLOC(TY, tab0, t); TY* tab = tab0 + t/2; \
usz m=IN##ia, n=FOR##ia; \
void* ip = tyany_ptr(IN); \
void* fp = tyany_ptr(FOR); \
/* Initialize */ \
if (FOR##e==el_i16 && n<ft/64) \
{ for (usz i=0; i<n; i++) tab[((i16*)fp)[i]]=INIT; } \
else { TY* to=tab-(ft/2-(ft==2)); for (i64 i=0; i<ft; i++) to[i]=INIT; } \
/* Set */ \
if (IN##e==el_i8) { for (usz i=m; i--; ) tab[((i8 *)ip)[i]]=SET; } \
else { for (usz i=m; i--; ) tab[((i16*)ip)[i]]=SET; } \
decG(IN); \
/* Lookup */ \
if (FOR##e==el_bit) { \
r = bit_sel(FOR, m_i32(tab[0]), m_i32(tab[1])); \
} else { \
TY* rp; r = m_##TY##arrc(&rp, FOR); \
if (FOR##e==el_i8){ for (usz i=0; i<n; i++) rp[i]=tab[((i8 *)fp)[i]]; } \
else { for (usz i=0; i<n; i++) rp[i]=tab[((i16*)fp)[i]]; } \
decG(FOR); \
} \
TFREE(tab0);
extern B rt_indexOf;
B indexOf_c2(B t, B w, B x) {
@ -56,7 +61,8 @@ B indexOf_c2(B t, B w, B x) {
u8 we = TI(w,elType); usz wia = IA(w);
u8 xe = TI(x,elType); usz xia = IA(x);
// TODO O(wia×xia) for small wia or xia
if (xia+wia>20 && we<=el_i16 && xe<=el_i16 && we!=el_bit && xe!=el_bit) {
if (xia+wia>20 && we<=el_i16 && xe<=el_i16 && we!=el_bit) {
B r;
TABLE(w, x, i32, wia, i)
return r;
}
@ -127,7 +133,8 @@ B memberOf_c2(B t, B w, B x) {
}
#undef WEQ
// TODO O(wia×xia) for small wia
if (xia+wia>20 && we<=el_i16 && xe<=el_i16 && we!=el_bit) {
if (xia+wia>20 && we<=el_i16 && xe<=el_i16) {
B r;
TABLE(x, w, i8, 0, 1)
return num_squeeze(r);
}