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ur: removes unusable width-abstraction in ur_dict* types

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This commit is contained in:
Joe Bryan 2020-07-29 12:58:35 -07:00
parent b61c016b93
commit 29810b5b1b
2 changed files with 57 additions and 70 deletions
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61
pkg/urbit/include/ur/hashcons.h
View File

@ -39,28 +39,6 @@ typedef uint8_t ur_bool_t;
#define ur_nref_tag(ref) ( ref >> 62 )
#define ur_nref_idx(ref) ur_mask_62(ref)
typedef struct ur_pail32_s {
uint8_t fill;
uint32_t data[10];
} ur_pail32_t;
typedef struct ur_dict32_s {
uint64_t prev;
uint64_t size;
ur_pail32_t *buckets;
} ur_dict32_t;
typedef struct ur_pail64_s {
uint8_t fill;
uint64_t data[10];
} ur_pail64_t;
typedef struct ur_dict64_s {
uint64_t prev;
uint64_t size;
ur_pail64_t *buckets;
} ur_dict64_t;
typedef uint32_t ur_mug;
typedef uint64_t ur_nref;
typedef enum {
@ -69,24 +47,35 @@ typedef enum {
ur_icell = 2,
} ur_tag;
typedef struct ur_pail_s {
uint8_t fill;
ur_nref refs[10];
} ur_pail_t;
typedef struct ur_dict_s {
uint64_t prev;
uint64_t size;
ur_pail_t *buckets;
} ur_dict_t;
typedef struct ur_cells_s {
ur_dict64_t dict;
uint64_t prev;
uint64_t size;
uint64_t fill;
ur_mug *mugs;
ur_nref *heads;
ur_nref *tails;
ur_dict_t dict;
uint64_t prev;
uint64_t size;
uint64_t fill;
ur_mug *mugs;
ur_nref *heads;
ur_nref *tails;
} ur_cells_t;
typedef struct ur_atoms_s {
ur_dict64_t dict;
uint64_t prev;
uint64_t size;
uint64_t fill;
ur_mug *mugs;
uint8_t **bytes;
uint64_t *lens;
ur_dict_t dict;
uint64_t prev;
uint64_t size;
uint64_t fill;
ur_mug *mugs;
uint8_t **bytes;
uint64_t *lens;
} ur_atoms_t;
typedef struct ur_root_s {

66
pkg/urbit/ur/hashcons.c
View File

@ -102,34 +102,32 @@ ur_tail(ur_root_t *r, ur_nref ref)
}
void
ur_dict64_grow(ur_root_t *r, ur_dict64_t *dict, uint64_t prev, uint64_t size)
ur_dict_grow(ur_root_t *r, ur_dict_t *dict, uint64_t prev, uint64_t size)
{
ur_pail64_t *buckets, *old_buckets = dict->buckets;
ur_pail_t *buckets, *old_buckets = dict->buckets;
uint64_t old_size = dict->size;
uint64_t next = prev + size;
uint64_t i;
uint64_t i, next = prev + size;
buckets = calloc(next, sizeof(*buckets));
for ( i = 0; i < old_size; i++ ) {
ur_pail64_t *old_bucket = &(old_buckets[i]);
uint8_t old_fill = old_bucket->fill;
uint8_t j;
ur_pail_t *old_bucket = &(old_buckets[i]);
uint8_t j, old_fill = old_bucket->fill;
for ( j = 0; j < old_fill; j++ ) {
ur_nref ref = (ur_nref)old_bucket->data[j];
ur_nref ref = old_bucket->refs[j];
ur_mug mug = ur_nref_mug(r, ref);
uint64_t idx = ( mug % next );
ur_pail64_t *bucket = &(buckets[idx]);
uint8_t new_fill = bucket->fill;
uint64_t idx = ( mug % next );
ur_pail_t *bucket = &(buckets[idx]);
uint8_t new_fill = bucket->fill;
if ( 10 == new_fill ) {
free(buckets);
return ur_dict64_grow(r, dict, size, next);
return ur_dict_grow(r, dict, size, next);
}
bucket->data[new_fill] = (uint64_t)ref;
bucket->refs[new_fill] = ref;
bucket->fill = 1 + new_fill;
}
}
@ -154,11 +152,11 @@ ur_atoms_grow(ur_atoms_t *atoms)
atoms->bytes = malloc(next * ( sizeof(*atoms->bytes)
+ sizeof(*atoms->lens)
+ sizeof(*atoms->mugs) ));
assert( atoms->bytes );
atoms->lens = (void*)((char*)atoms->bytes + (next * sizeof(*atoms->bytes)));
atoms->mugs = (void*)((char*)atoms->lens + (next * sizeof(*atoms->lens)));
assert( atoms->bytes );
if ( bytes ) {
memcpy(atoms->bytes, bytes, size * (sizeof(*bytes)));
memcpy(atoms->lens, lens, size * (sizeof(*lens)));
@ -184,11 +182,11 @@ ur_cells_grow(ur_cells_t *cells)
cells->heads = malloc(next * ( sizeof(*cells->heads)
+ sizeof(*cells->heads)
+ sizeof(*cells->mugs) ));
assert( cells->heads );
cells->tails = (void*)((char*)cells->heads + (next * sizeof(*cells->heads)));
cells->mugs = (void*)((char*)cells->tails + (next * sizeof(*cells->tails)));
assert( cells->heads );
if ( heads ) {
memcpy(cells->heads, heads, size * (sizeof(*heads)));
memcpy(cells->tails, tails, size * (sizeof(*tails)));
@ -269,19 +267,19 @@ ur_nref
ur_coin_bytes(ur_root_t *r, uint8_t *byt, uint64_t len)
{
ur_atoms_t *atoms = &(r->atoms);
ur_dict64_t *dict = &(atoms->dict);
ur_dict_t *dict = &(atoms->dict);
ur_mug mug = ur_mug_bytes(byt, len);
while ( 1 ) {
uint64_t idx = ( mug % dict->size );
ur_pail64_t *bucket = &(dict->buckets[idx]);
uint8_t i, b_fill = bucket->fill;
uint64_t idx = ( mug % dict->size );
ur_pail_t *bucket = &(dict->buckets[idx]);
uint8_t i, b_fill = bucket->fill;
ur_nref tom;
for ( i = 0; i < b_fill; i++ ) {
uint8_t *t_byt;
uint64_t t_len;
tom = (ur_nref)bucket->data[i];
tom = bucket->refs[i];
ur_bytes(r, tom, &t_byt, &t_len);
@ -293,7 +291,7 @@ ur_coin_bytes(ur_root_t *r, uint8_t *byt, uint64_t len)
}
if ( 10 == b_fill ) {
ur_dict64_grow(r, dict, dict->prev, dict->size);
ur_dict_grow(r, dict, dict->prev, dict->size);
continue;
}
@ -303,7 +301,7 @@ ur_coin_bytes(ur_root_t *r, uint8_t *byt, uint64_t len)
tom = _coin_unsafe(atoms, mug, byt, len);
bucket->data[b_fill] = (uint64_t)tom;
bucket->refs[b_fill] = tom;
bucket->fill = 1 + b_fill;
return tom;
@ -327,18 +325,18 @@ ur_nref
ur_cons(ur_root_t *r, ur_nref hed, ur_nref tal)
{
ur_cells_t *cells = &(r->cells);
ur_dict64_t *dict = &(cells->dict);
ur_dict_t *dict = &(cells->dict);
ur_mug mug = ur_mug_both(ur_nref_mug(r, hed),
ur_nref_mug(r, tal));
while ( 1 ) {
uint64_t idx = ( mug % dict->size );
ur_pail64_t *bucket = &(dict->buckets[idx]);
uint8_t i, b_fill = bucket->fill;
uint64_t idx = ( mug % dict->size );
ur_pail_t *bucket = &(dict->buckets[idx]);
uint8_t i, b_fill = bucket->fill;
ur_nref cel;
for ( i = 0; i < b_fill; i++ ) {
cel = (ur_nref)bucket->data[i];
cel = bucket->refs[i];
if ( (hed == ur_head(r, cel))
&& (tal == ur_tail(r, cel)) )
@ -348,7 +346,7 @@ ur_cons(ur_root_t *r, ur_nref hed, ur_nref tal)
}
if ( 10 == b_fill ) {
ur_dict64_grow(r, dict, dict->prev, dict->size);
ur_dict_grow(r, dict, dict->prev, dict->size);
continue;
}
@ -358,7 +356,7 @@ ur_cons(ur_root_t *r, ur_nref hed, ur_nref tal)
cel = _cons_unsafe(cells, mug, hed, tal);
bucket->data[b_fill] = (uint64_t)cel;
bucket->refs[b_fill] = cel;
bucket->fill = 1 + b_fill;
return cel;
@ -372,7 +370,7 @@ ur_hcon_init(void)
assert( r );
{
ur_dict64_t *dict;
ur_dict_t *dict;
uint64_t fib11 = 89, fib12 = 144;
// allocate atom storage
@ -384,7 +382,7 @@ ur_hcon_init(void)
// allocate atom hashtable
//
dict = &(r->atoms.dict);
ur_dict64_grow(r, dict, fib11, fib12);
ur_dict_grow(r, dict, fib11, fib12);
// allocate cell storage
//
@ -395,7 +393,7 @@ ur_hcon_init(void)
// allocate cell hashtable
//
dict = &(r->cells.dict);
ur_dict64_grow(r, dict, fib11, fib12);
ur_dict_grow(r, dict, fib11, fib12);
}
return r;