author | coleenp |
Thu, 10 Jan 2019 15:13:51 -0500 | |
changeset 53244 | 9807daeb47c4 |
parent 52688 | 3db8758f0f79 |
child 54764 | 865ec913f916 |
permissions | -rw-r--r-- |
1 | 1 |
/* |
53244
9807daeb47c4
8216167: Update include guards to reflect correct directories
coleenp
parents:
52688
diff
changeset
|
2 |
* Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved. |
1 | 3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 |
* |
|
5 |
* This code is free software; you can redistribute it and/or modify it |
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
|
7 |
* published by the Free Software Foundation. |
|
8 |
* |
|
9 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
|
10 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
11 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
12 |
* version 2 for more details (a copy is included in the LICENSE file that |
|
13 |
* accompanied this code). |
|
14 |
* |
|
15 |
* You should have received a copy of the GNU General Public License version |
|
16 |
* 2 along with this work; if not, write to the Free Software Foundation, |
|
17 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
|
18 |
* |
|
5547
f4b087cbb361
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1
diff
changeset
|
19 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
f4b087cbb361
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1
diff
changeset
|
20 |
* or visit www.oracle.com if you need additional information or have any |
f4b087cbb361
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1
diff
changeset
|
21 |
* questions. |
1 | 22 |
* |
23 |
*/ |
|
24 |
||
53244
9807daeb47c4
8216167: Update include guards to reflect correct directories
coleenp
parents:
52688
diff
changeset
|
25 |
#ifndef SHARE_UTILITIES_HASHTABLE_HPP |
9807daeb47c4
8216167: Update include guards to reflect correct directories
coleenp
parents:
52688
diff
changeset
|
26 |
#define SHARE_UTILITIES_HASHTABLE_HPP |
7397 | 27 |
|
28 |
#include "memory/allocation.hpp" |
|
29 |
#include "oops/oop.hpp" |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
30 |
#include "oops/symbol.hpp" |
7397 | 31 |
#include "runtime/handles.hpp" |
52631
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
32 |
#include "utilities/growableArray.hpp" |
7397 | 33 |
|
1 | 34 |
// This is a generic hashtable, designed to be used for the symbol |
35 |
// and string tables. |
|
36 |
// |
|
37 |
// It is implemented as an open hash table with a fixed number of buckets. |
|
38 |
// |
|
39 |
// %note: |
|
40 |
// - TableEntrys are allocated in blocks to reduce the space overhead. |
|
41 |
||
42 |
||
43 |
||
13195 | 44 |
template <MEMFLAGS F> class BasicHashtableEntry : public CHeapObj<F> { |
1 | 45 |
friend class VMStructs; |
46 |
private: |
|
47 |
unsigned int _hash; // 32-bit hash for item |
|
48 |
||
49 |
// Link to next element in the linked list for this bucket. EXCEPT |
|
50 |
// bit 0 set indicates that this entry is shared and must not be |
|
51 |
// unlinked from the table. Bit 0 is set during the dumping of the |
|
52 |
// archive. Since shared entries are immutable, _next fields in the |
|
53 |
// shared entries will not change. New entries will always be |
|
54 |
// unshared and since pointers are align, bit 0 will always remain 0 |
|
55 |
// with no extra effort. |
|
13195 | 56 |
BasicHashtableEntry<F>* _next; |
1 | 57 |
|
58 |
// Windows IA64 compiler requires subclasses to be able to access these |
|
59 |
protected: |
|
60 |
// Entry objects should not be created, they should be taken from the |
|
61 |
// free list with BasicHashtable.new_entry(). |
|
62 |
BasicHashtableEntry() { ShouldNotReachHere(); } |
|
63 |
// Entry objects should not be destroyed. They should be placed on |
|
64 |
// the free list instead with BasicHashtable.free_entry(). |
|
65 |
~BasicHashtableEntry() { ShouldNotReachHere(); } |
|
66 |
||
67 |
public: |
|
68 |
||
69 |
unsigned int hash() const { return _hash; } |
|
70 |
void set_hash(unsigned int hash) { _hash = hash; } |
|
71 |
unsigned int* hash_addr() { return &_hash; } |
|
72 |
||
13195 | 73 |
static BasicHashtableEntry<F>* make_ptr(BasicHashtableEntry<F>* p) { |
1 | 74 |
return (BasicHashtableEntry*)((intptr_t)p & -2); |
75 |
} |
|
76 |
||
13195 | 77 |
BasicHashtableEntry<F>* next() const { |
1 | 78 |
return make_ptr(_next); |
79 |
} |
|
80 |
||
13195 | 81 |
void set_next(BasicHashtableEntry<F>* next) { |
1 | 82 |
_next = next; |
83 |
} |
|
84 |
||
13195 | 85 |
BasicHashtableEntry<F>** next_addr() { |
1 | 86 |
return &_next; |
87 |
} |
|
88 |
||
89 |
bool is_shared() const { |
|
90 |
return ((intptr_t)_next & 1) != 0; |
|
91 |
} |
|
92 |
||
93 |
void set_shared() { |
|
13195 | 94 |
_next = (BasicHashtableEntry<F>*)((intptr_t)_next | 1); |
1 | 95 |
} |
96 |
}; |
|
97 |
||
98 |
||
99 |
||
13195 | 100 |
template <class T, MEMFLAGS F> class HashtableEntry : public BasicHashtableEntry<F> { |
1 | 101 |
friend class VMStructs; |
102 |
private: |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
103 |
T _literal; // ref to item in table. |
1 | 104 |
|
105 |
public: |
|
106 |
// Literal |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
107 |
T literal() const { return _literal; } |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
108 |
T* literal_addr() { return &_literal; } |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
109 |
void set_literal(T s) { _literal = s; } |
1 | 110 |
|
111 |
HashtableEntry* next() const { |
|
13195 | 112 |
return (HashtableEntry*)BasicHashtableEntry<F>::next(); |
1 | 113 |
} |
114 |
HashtableEntry** next_addr() { |
|
13195 | 115 |
return (HashtableEntry**)BasicHashtableEntry<F>::next_addr(); |
1 | 116 |
} |
117 |
}; |
|
118 |
||
119 |
||
120 |
||
13195 | 121 |
template <MEMFLAGS F> class HashtableBucket : public CHeapObj<F> { |
1 | 122 |
friend class VMStructs; |
123 |
private: |
|
124 |
// Instance variable |
|
13195 | 125 |
BasicHashtableEntry<F>* _entry; |
1 | 126 |
|
127 |
public: |
|
128 |
// Accessing |
|
46475
75902cea18af
8166848: Performance bug: SystemDictionary - optimization
coleenp
parents:
46435
diff
changeset
|
129 |
void clear() { _entry = NULL; } |
1 | 130 |
|
131 |
// The following methods use order access methods to avoid race |
|
132 |
// conditions in multiprocessor systems. |
|
13195 | 133 |
BasicHashtableEntry<F>* get_entry() const; |
134 |
void set_entry(BasicHashtableEntry<F>* l); |
|
1 | 135 |
|
136 |
// The following method is not MT-safe and must be done under lock. |
|
13195 | 137 |
BasicHashtableEntry<F>** entry_addr() { return &_entry; } |
39982
1a3808e3f4d9
8138760: [JVMCI] VM warning: Performance bug: SystemDictionary lookup_count=21831450 lookup_length=1275207287 average=58.411479 load=5.572844
gziemski
parents:
34666
diff
changeset
|
138 |
|
1 | 139 |
}; |
140 |
||
141 |
||
13195 | 142 |
template <MEMFLAGS F> class BasicHashtable : public CHeapObj<F> { |
1 | 143 |
friend class VMStructs; |
144 |
||
145 |
public: |
|
146 |
BasicHashtable(int table_size, int entry_size); |
|
147 |
BasicHashtable(int table_size, int entry_size, |
|
13195 | 148 |
HashtableBucket<F>* buckets, int number_of_entries); |
52631
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
149 |
~BasicHashtable(); |
1 | 150 |
|
151 |
// Bucket handling |
|
34666 | 152 |
int hash_to_index(unsigned int full_hash) const { |
1 | 153 |
int h = full_hash % _table_size; |
154 |
assert(h >= 0 && h < _table_size, "Illegal hash value"); |
|
155 |
return h; |
|
156 |
} |
|
157 |
||
158 |
private: |
|
159 |
// Instance variables |
|
160 |
int _table_size; |
|
13195 | 161 |
HashtableBucket<F>* _buckets; |
45114
45644c5f6b8e
8180048: Interned string and symbol table leak memory during parallel unlinking
tschatzl
parents:
42073
diff
changeset
|
162 |
BasicHashtableEntry<F>* volatile _free_list; |
1 | 163 |
char* _first_free_entry; |
164 |
char* _end_block; |
|
165 |
int _entry_size; |
|
45114
45644c5f6b8e
8180048: Interned string and symbol table leak memory during parallel unlinking
tschatzl
parents:
42073
diff
changeset
|
166 |
volatile int _number_of_entries; |
52631
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
167 |
GrowableArray<char*>* _entry_blocks; |
1 | 168 |
|
169 |
protected: |
|
170 |
||
171 |
void initialize(int table_size, int entry_size, int number_of_entries); |
|
172 |
||
173 |
// Accessor |
|
174 |
int entry_size() const { return _entry_size; } |
|
175 |
||
176 |
// The following method is MT-safe and may be used with caution. |
|
34666 | 177 |
BasicHashtableEntry<F>* bucket(int i) const; |
1 | 178 |
|
179 |
// The following method is not MT-safe and must be done under lock. |
|
13195 | 180 |
BasicHashtableEntry<F>** bucket_addr(int i) { return _buckets[i].entry_addr(); } |
1 | 181 |
|
26421
37d88e604ad0
8056084: Refactor Hashtable to allow implementations without rehashing support
mgerdin
parents:
23187
diff
changeset
|
182 |
// Attempt to get an entry from the free list |
37d88e604ad0
8056084: Refactor Hashtable to allow implementations without rehashing support
mgerdin
parents:
23187
diff
changeset
|
183 |
BasicHashtableEntry<F>* new_entry_free_list(); |
37d88e604ad0
8056084: Refactor Hashtable to allow implementations without rehashing support
mgerdin
parents:
23187
diff
changeset
|
184 |
|
1 | 185 |
// Table entry management |
13195 | 186 |
BasicHashtableEntry<F>* new_entry(unsigned int hashValue); |
1 | 187 |
|
13087 | 188 |
// Used when moving the entry to another table |
189 |
// Clean up links, but do not add to free_list |
|
13195 | 190 |
void unlink_entry(BasicHashtableEntry<F>* entry) { |
13087 | 191 |
entry->set_next(NULL); |
192 |
--_number_of_entries; |
|
193 |
} |
|
194 |
||
195 |
// Move over freelist and free block for allocation |
|
196 |
void copy_freelist(BasicHashtable* src) { |
|
197 |
_free_list = src->_free_list; |
|
198 |
src->_free_list = NULL; |
|
199 |
_first_free_entry = src->_first_free_entry; |
|
200 |
src->_first_free_entry = NULL; |
|
201 |
_end_block = src->_end_block; |
|
202 |
src->_end_block = NULL; |
|
203 |
} |
|
204 |
||
205 |
// Free the buckets in this hashtable |
|
13097
c146b608d91f
7178670: runtime/7158800/BadUtf8.java fails in SymbolTable::rehash_table
coleenp
parents:
13087
diff
changeset
|
206 |
void free_buckets(); |
1 | 207 |
public: |
46742 | 208 |
int table_size() const { return _table_size; } |
13195 | 209 |
void set_entry(int index, BasicHashtableEntry<F>* entry); |
1 | 210 |
|
13195 | 211 |
void add_entry(int index, BasicHashtableEntry<F>* entry); |
1 | 212 |
|
13195 | 213 |
void free_entry(BasicHashtableEntry<F>* entry); |
1 | 214 |
|
46742 | 215 |
int number_of_entries() const { return _number_of_entries; } |
1 | 216 |
|
47774 | 217 |
bool resize(int new_size); |
218 |
||
52631
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
219 |
// Grow the number of buckets if the average entries per bucket is over the load_factor |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
220 |
bool maybe_grow(int max_size, int load_factor = 8); |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
221 |
|
46475
75902cea18af
8166848: Performance bug: SystemDictionary - optimization
coleenp
parents:
46435
diff
changeset
|
222 |
template <class T> void verify_table(const char* table_name) PRODUCT_RETURN; |
1 | 223 |
}; |
224 |
||
225 |
||
13195 | 226 |
template <class T, MEMFLAGS F> class Hashtable : public BasicHashtable<F> { |
1 | 227 |
friend class VMStructs; |
228 |
||
229 |
public: |
|
230 |
Hashtable(int table_size, int entry_size) |
|
13195 | 231 |
: BasicHashtable<F>(table_size, entry_size) { } |
1 | 232 |
|
233 |
Hashtable(int table_size, int entry_size, |
|
13195 | 234 |
HashtableBucket<F>* buckets, int number_of_entries) |
235 |
: BasicHashtable<F>(table_size, entry_size, buckets, number_of_entries) { } |
|
1 | 236 |
|
237 |
// Debugging |
|
238 |
void print() PRODUCT_RETURN; |
|
239 |
||
46729 | 240 |
unsigned int compute_hash(const Symbol* name) const { |
1 | 241 |
return (unsigned int) name->identity_hash(); |
242 |
} |
|
243 |
||
46729 | 244 |
int index_for(const Symbol* name) const { |
13342
76a5de64aa62
7186278: Build error after CR#6995781 / 7151532 with GCC 4.7.0
andrew
parents:
13199
diff
changeset
|
245 |
return this->hash_to_index(compute_hash(name)); |
1 | 246 |
} |
247 |
||
50233 | 248 |
void print_table_statistics(outputStream* st, const char *table_name, T (*literal_load_barrier)(HashtableEntry<T, F>*) = NULL); |
46742 | 249 |
|
250 |
protected: |
|
46729 | 251 |
|
1 | 252 |
// Table entry management |
13195 | 253 |
HashtableEntry<T, F>* new_entry(unsigned int hashValue, T obj); |
46729 | 254 |
// Don't create and use freelist of HashtableEntry. |
255 |
HashtableEntry<T, F>* allocate_new_entry(unsigned int hashValue, T obj); |
|
1 | 256 |
|
257 |
// The following method is MT-safe and may be used with caution. |
|
34666 | 258 |
HashtableEntry<T, F>* bucket(int i) const { |
13195 | 259 |
return (HashtableEntry<T, F>*)BasicHashtable<F>::bucket(i); |
1 | 260 |
} |
261 |
||
262 |
// The following method is not MT-safe and must be done under lock. |
|
13195 | 263 |
HashtableEntry<T, F>** bucket_addr(int i) { |
264 |
return (HashtableEntry<T, F>**)BasicHashtable<F>::bucket_addr(i); |
|
1 | 265 |
} |
26421
37d88e604ad0
8056084: Refactor Hashtable to allow implementations without rehashing support
mgerdin
parents:
23187
diff
changeset
|
266 |
}; |
37d88e604ad0
8056084: Refactor Hashtable to allow implementations without rehashing support
mgerdin
parents:
23187
diff
changeset
|
267 |
|
52631
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
268 |
// A subclass of BasicHashtable that allows you to do a simple K -> V mapping |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
269 |
// without using tons of boilerplate code. |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
270 |
template< |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
271 |
typename K, typename V, MEMFLAGS F, |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
272 |
unsigned (*HASH) (K const&) = primitive_hash<K>, |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
273 |
bool (*EQUALS)(K const&, K const&) = primitive_equals<K> |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
274 |
> |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
275 |
class KVHashtable : public BasicHashtable<F> { |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
276 |
class KVHashtableEntry : public BasicHashtableEntry<F> { |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
277 |
public: |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
278 |
K _key; |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
279 |
V _value; |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
280 |
KVHashtableEntry* next() { |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
281 |
return (KVHashtableEntry*)BasicHashtableEntry<F>::next(); |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
282 |
} |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
283 |
}; |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
284 |
|
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
285 |
protected: |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
286 |
KVHashtableEntry* bucket(int i) const { |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
287 |
return (KVHashtableEntry*)BasicHashtable<F>::bucket(i); |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
288 |
} |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
289 |
|
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
290 |
KVHashtableEntry* new_entry(unsigned int hashValue, K key, V value) { |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
291 |
KVHashtableEntry* entry = (KVHashtableEntry*)BasicHashtable<F>::new_entry(hashValue); |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
292 |
entry->_key = key; |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
293 |
entry->_value = value; |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
294 |
return entry; |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
295 |
} |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
296 |
|
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
297 |
public: |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
298 |
KVHashtable(int table_size) : BasicHashtable<F>(table_size, sizeof(KVHashtableEntry)) {} |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
299 |
|
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
300 |
void add(K key, V value) { |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
301 |
unsigned int hash = HASH(key); |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
302 |
KVHashtableEntry* entry = new_entry(hash, key, value); |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
303 |
BasicHashtable<F>::add_entry(BasicHashtable<F>::hash_to_index(hash), entry); |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
304 |
} |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
305 |
|
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
306 |
V* lookup(K key) { |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
307 |
unsigned int hash = HASH(key); |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
308 |
int index = BasicHashtable<F>::hash_to_index(hash); |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
309 |
for (KVHashtableEntry* e = bucket(index); e != NULL; e = e->next()) { |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
310 |
if (e->hash() == hash && e->_key == key) { |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
311 |
return &(e->_value); |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
312 |
} |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
313 |
} |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
314 |
return NULL; |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
315 |
} |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
316 |
}; |
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
317 |
|
3009ca99de32
8213587: Speed up CDS dump time by using resizable hashtables
iklam
parents:
52514
diff
changeset
|
318 |
|
53244
9807daeb47c4
8216167: Update include guards to reflect correct directories
coleenp
parents:
52688
diff
changeset
|
319 |
#endif // SHARE_UTILITIES_HASHTABLE_HPP |