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ndb: copy over perf improvements

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This commit is contained in:
William Casarin
2023-07-23 12:08:46 -07:00
parent e34351ca37
commit 99b5dc94cb
2 changed files with 13 additions and 10 deletions
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13
nostrdb/nostrdb.c
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@@ -136,7 +136,7 @@ static inline int ndb_builder_find_str(struct ndb_builder *builder,
uint32_t index = ((uint32_t*)builder->str_indices.start)[i];
const char *some_str = (const char*)builder->strings.start + index;
if (!strncmp(some_str, str, len)) {
if (!memcmp(some_str, str, len)) {
// found an existing matching str, use that index
*pstr = ndb_offset_str(index);
return 1;
@@ -171,10 +171,13 @@ static int ndb_builder_push_packed_id(struct ndb_builder *builder,
unsigned char *id,
union ndb_packed_str *pstr)
{
if (ndb_builder_find_str(builder, (const char*)id, 32, pstr)) {
pstr->packed.flag = NDB_PACKED_ID;
return 1;
}
// Don't both find id duplicates. very rarely are they duplicated
// and it slows things down quite a bit. If we really care about this
// We can switch to a hash table.
//if (ndb_builder_find_str(builder, (const char*)id, 32, pstr)) {
// pstr->packed.flag = NDB_PACKED_ID;
// return 1;
//}
if (ndb_builder_push_str(builder, (const char*)id, 32, pstr)) {
pstr->packed.flag = NDB_PACKED_ID;