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8213587: Speed up CDS dump time by using resizable hashtables

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Reviewed-by: jiangli, coleenp, gziemski
This commit is contained in:
Ioi Lam 2018-11-20 20:00:15 -08:00
parent 6d3df94e5e
commit 6d269930fd
21 changed files with 264 additions and 105 deletions
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11
src/hotspot/share/classfile/classListParser.cpp
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@ -389,8 +389,8 @@ Klass* ClassListParser::load_current_class(TRAPS) {
InstanceKlass* ik = InstanceKlass::cast(klass);
int id = this->id();
SystemDictionaryShared::update_shared_entry(ik, id);
InstanceKlass* old = table()->lookup(id);
if (old != NULL && old != ik) {
InstanceKlass** old_ptr = table()->lookup(id);
if (old_ptr != NULL) {
error("Duplicated ID %d for class %s", id, _class_name);
}
table()->add(id, ik);
@ -404,11 +404,12 @@ bool ClassListParser::is_loading_from_source() {
}
InstanceKlass* ClassListParser::lookup_class_by_id(int id) {
InstanceKlass* klass = table()->lookup(id);
if (klass == NULL) {
InstanceKlass** klass_ptr = table()->lookup(id);
if (klass_ptr == NULL) {
error("Class ID %d has not been defined", id);
}
return klass;
assert(*klass_ptr != NULL, "must be");
return *klass_ptr;
}