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8213346: Re-implement shared dictionary using CompactHashtable

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Reviewed-by: jiangli
This commit is contained in:
Ioi Lam 2018-11-07 19:40:27 -08:00
parent 14b8e187e2
commit 147fc3ed13
31 changed files with 832 additions and 1049 deletions
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8
src/hotspot/share/memory/heapShared.cpp
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@ -391,9 +391,7 @@ struct CopyKlassSubGraphInfoToArchive : StackObj {
record->init(&info);
unsigned int hash = primitive_hash<Klass*>(klass);
uintx deltax = MetaspaceShared::object_delta(record);
guarantee(deltax <= MAX_SHARED_DELTA, "must not be");
u4 delta = u4(deltax);
u4 delta = MetaspaceShared::object_delta_u4(record);
_writer->add(hash, delta);
}
return true; // keep on iterating
@ -417,7 +415,7 @@ void HeapShared::write_subgraph_info_table() {
int num_buckets = CompactHashtableWriter::default_num_buckets(d_table->_count);
CompactHashtableWriter writer(num_buckets, &stats);
CopyKlassSubGraphInfoToArchive copy(&writer);
_dump_time_subgraph_info_table->iterate(&copy);
d_table->iterate(&copy);
writer.dump(&_run_time_subgraph_info_table, "subgraphs");
}
@ -433,7 +431,7 @@ void HeapShared::initialize_from_archived_subgraph(Klass* k) {
assert(!DumpSharedSpaces, "Should not be called with DumpSharedSpaces");
unsigned int hash = primitive_hash<Klass*>(k);
ArchivedKlassSubGraphInfoRecord* record = _run_time_subgraph_info_table.lookup(k, hash, 0);
const ArchivedKlassSubGraphInfoRecord* record = _run_time_subgraph_info_table.lookup(k, hash, 0);
// Initialize from archived data. Currently this is done only
// during VM initialization time. No lock is needed.