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load.c: reduce indexes arrays

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* load.c (features_index_add_single, rb_feature_p): store single index
  as Fixnum to reduce the number of arrays for the indexes.  based on
  the patch by tmm1 (Aman Gupta) in [ruby-core:53216] [Bug #8048].

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39644 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2013-03-08 23:37:02 +00:00
parent 28d7cd1098
commit 8237581a2e
2 changed files with 36 additions and 5 deletions
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6
ChangeLog
View file

@ -1,3 +1,9 @@
Sat Mar 9 08:36:58 2013 Nobuyoshi Nakada <nobu@ruby-lang.org>
* load.c (features_index_add_single, rb_feature_p): store single index
as Fixnum to reduce the number of arrays for the indexes. based on
the patch by tmm1 (Aman Gupta) in [ruby-core:53216] [Bug #8048].
Sat Mar 9 00:25:57 2013 Nobuyoshi Nakada <nobu@ruby-lang.org>
* marshal.c (r_object0): load prepended objects. treat the class of

33
load.c
View file

@ -11,6 +11,8 @@
VALUE ruby_dln_librefs;
#define numberof(array) (int)(sizeof(array) / sizeof((array)[0]))
#define IS_RBEXT(e) (strcmp((e), ".rb") == 0)
#define IS_SOEXT(e) (strcmp((e), ".so") == 0 || strcmp((e), ".o") == 0)
#ifdef DLEXT2
@ -186,12 +188,24 @@ features_index_add_single(VALUE short_feature, VALUE offset)
{
VALUE features_index, this_feature_index;
features_index = get_loaded_features_index_raw();
if ((this_feature_index = rb_hash_lookup(features_index, short_feature)) == Qnil) {
this_feature_index = rb_ary_new();
this_feature_index = rb_hash_lookup(features_index, short_feature);
if (NIL_P(this_feature_index)) {
rb_hash_aset(features_index, short_feature, offset);
}
else if (RB_TYPE_P(this_feature_index, T_FIXNUM)) {
VALUE feature_indexes[2];
feature_indexes[0] = this_feature_index;
feature_indexes[1] = offset;
this_feature_index = rb_ary_tmp_new(numberof(feature_indexes));
rb_ary_cat(this_feature_index, feature_indexes, numberof(feature_indexes));
rb_hash_aset(features_index, short_feature, this_feature_index);
}
else {
Check_Type(this_feature_index, T_ARRAY);
rb_ary_push(this_feature_index, offset);
}
}
/* Add to the loaded-features index all the required entries for
`feature`, located at `offset` in $LOADED_FEATURES. We add an
@ -392,8 +406,19 @@ rb_feature_p(const char *feature, const char *ext, int rb, int expanded, const c
or ends in '/'. This includes both match forms above, as well
as any distractors, so we may ignore all other entries in `features`.
*/
for (i = 0; this_feature_index != Qnil && i < RARRAY_LEN(this_feature_index); i++) {
long index = FIX2LONG(rb_ary_entry(this_feature_index, i));
for (i = 0; !NIL_P(this_feature_index); i++) {
VALUE entry;
long index;
if (RB_TYPE_P(this_feature_index, T_ARRAY)) {
if (i >= RARRAY_LEN(this_feature_index)) break;
entry = RARRAY_PTR(this_feature_index)[i];
}
else {
if (i > 0) break;
entry = this_feature_index;
}
index = FIX2LONG(entry);
v = RARRAY_PTR(features)[index];
f = StringValuePtr(v);
if ((n = RSTRING_LEN(v)) < len) continue;