Enlightenment CVS committal Author : cedric Project : e17 Module : libs/eet
Dir : e17/libs/eet/src/lib Modified Files: eet_data.c eet_dictionary.c eet_lib.c Log Message: Improve decode speed by using precomputed hash. =================================================================== RCS file: /cvs/e/e17/libs/eet/src/lib/eet_data.c,v retrieving revision 1.86 retrieving revision 1.87 diff -u -3 -r1.86 -r1.87 --- eet_data.c 2 Jul 2008 12:10:12 -0000 1.86 +++ eet_data.c 17 Jul 2008 15:33:40 -0000 1.87 @@ -101,6 +101,7 @@ char *name; int len; int size; + int hash; void *data; unsigned char type; unsigned char group_type; @@ -389,6 +390,22 @@ /* STRING TYPE */ static int +eet_data_get_string_hash(const Eet_Dictionary *ed, const void *src, const void *src_end) +{ + if (ed) + { + const char *str; + int index; + + if (eet_data_get_int(ed, src, src_end, &index) < 0) return -1; + + return eet_dictionary_string_get_hash(ed, index); + } + + return -1; +} + +static int eet_data_get_string(const Eet_Dictionary *ed, const void *src, const void *src_end, void *dst) { char *s, **d; @@ -718,6 +735,10 @@ } chnk->len = ret2; + + /* Precalc hash */ + chnk->hash = eet_data_get_string_hash(ed, (s + 8), (s + size)); + if (ed) { chnk->data = (char *)src + 4 + ret1 + sizeof(int); @@ -891,12 +912,12 @@ } static Eet_Data_Element * -_eet_descriptor_hash_find(Eet_Data_Descriptor *edd, char *name) +_eet_descriptor_hash_find(Eet_Data_Descriptor *edd, char *name, int hash) { - int hash; Eet_Data_Descriptor_Hash *bucket; - hash = _eet_hash_gen(name, 6); + if (hash < 0) hash = _eet_hash_gen(name, 6); + else hash &= 0x3f; if (!edd->elements.hash.buckets[hash].element) return NULL; if (!strcmp(edd->elements.hash.buckets[hash].element->name, name)) return edd->elements.hash.buckets[hash].element; @@ -2113,7 +2134,7 @@ /* FIXME: don't REPLY on edd - work without */ if ((edd) && (!dumpfunc)) { - ede = _eet_descriptor_hash_find(edd, echnk.name); + ede = _eet_descriptor_hash_find(edd, echnk.name, echnk.hash); if (ede) { int group_type = EET_G_UNKNOWN, type = EET_T_UNKNOW; =================================================================== RCS file: /cvs/e/e17/libs/eet/src/lib/eet_dictionary.c,v retrieving revision 1.5 retrieving revision 1.6 diff -u -3 -r1.5 -r1.6 --- eet_dictionary.c 28 Mar 2008 17:17:43 -0000 1.5 +++ eet_dictionary.c 17 Jul 2008 15:33:40 -0000 1.6 @@ -159,22 +159,28 @@ int eet_dictionary_string_get_size(const Eet_Dictionary *ed, int index) { - if (!ed) - return 0; - if (index < 0) - return 0; + if (!ed) return 0; + if (index < 0) return 0; if (index < ed->count) return ed->all[index].len; return 0; } +int +eet_dictionary_string_get_hash(const Eet_Dictionary *ed, int index) +{ + if (!ed) return -1; + if (index < 0) return -1; + if (index < ed->count) + return ed->all[index].hash; + return -1; +} + const char * eet_dictionary_string_get_char(const Eet_Dictionary *ed, int index) { - if (!ed) - return NULL; - if (index < 0) - return NULL; + if (!ed) return NULL; + if (index < 0) return NULL; if (index < ed->count) { #ifdef _WIN32 =================================================================== RCS file: /cvs/e/e17/libs/eet/src/lib/eet_lib.c,v retrieving revision 1.111 retrieving revision 1.112 diff -u -3 -r1.111 -r1.112 --- eet_lib.c 27 Jun 2008 22:05:49 -0000 1.111 +++ eet_lib.c 17 Jul 2008 15:33:40 -0000 1.112 @@ -897,6 +897,7 @@ /* Check '\0' at the end of the string */ if (eet_test_close(ef->ed->all[j].mmap[ef->ed->all[j].len - 1] != '\0', ef)) return NULL; + ef->ed->all[j].hash = hash; if (ef->ed->all[j].prev == -1) ef->ed->hash[hash] = j; } ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ enlightenment-cvs mailing list enlightenment-cvs@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/enlightenment-cvs