author | sangheki |
Wed, 13 Nov 2019 10:49:12 -0800 | |
changeset 59060 | fce1fa1bdc91 |
child 59062 | 6530de931b8e |
permissions | -rw-r--r-- |
59060
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
1 |
/* |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
2 |
* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
4 |
* |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
5 |
* This code is free software; you can redistribute it and/or modify it |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
7 |
* published by the Free Software Foundation. |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
8 |
* |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
9 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
10 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
11 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
12 |
* version 2 for more details (a copy is included in the LICENSE file that |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
13 |
* accompanied this code). |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
14 |
* |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
15 |
* You should have received a copy of the GNU General Public License version |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
16 |
* 2 along with this work; if not, write to the Free Software Foundation, |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
17 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
18 |
* |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
19 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
20 |
* or visit www.oracle.com if you need additional information or have any |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
21 |
* questions. |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
22 |
* |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
23 |
*/ |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
24 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
25 |
#include "precompiled.hpp" |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
26 |
#include "gc/g1/g1NUMA.hpp" |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
27 |
#include "gc/g1/heapRegion.hpp" |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
28 |
#include "logging/log.hpp" |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
29 |
#include "runtime/globals.hpp" |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
30 |
#include "runtime/os.hpp" |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
31 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
32 |
G1NUMA* G1NUMA::_inst = NULL; |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
33 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
34 |
size_t G1NUMA::region_size() const { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
35 |
assert(_region_size > 0, "Heap region size is not yet set"); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
36 |
return _region_size; |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
37 |
} |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
38 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
39 |
size_t G1NUMA::page_size() const { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
40 |
assert(_page_size > 0, "Page size not is yet set"); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
41 |
return _page_size; |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
42 |
} |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
43 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
44 |
bool G1NUMA::is_enabled() const { return num_active_nodes() > 1; } |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
45 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
46 |
G1NUMA* G1NUMA::create() { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
47 |
guarantee(_inst == NULL, "Should be called once."); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
48 |
_inst = new G1NUMA(); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
49 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
50 |
// NUMA only supported on Linux. |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
51 |
#ifdef LINUX |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
52 |
_inst->initialize(UseNUMA); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
53 |
#else |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
54 |
_inst->initialize(false); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
55 |
#endif /* LINUX */ |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
56 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
57 |
return _inst; |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
58 |
} |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
59 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
60 |
// Returns memory node ids |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
61 |
const int* G1NUMA::node_ids() const { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
62 |
return _node_ids; |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
63 |
} |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
64 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
65 |
uint G1NUMA::index_of_node_id(int node_id) const { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
66 |
assert(node_id >= 0, "invalid node id %d", node_id); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
67 |
assert(node_id < _len_node_id_to_index_map, "invalid node id %d", node_id); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
68 |
uint node_index = _node_id_to_index_map[node_id]; |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
69 |
assert(node_index != G1NUMA::UnknownNodeIndex, |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
70 |
"invalid node id %d", node_id); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
71 |
return node_index; |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
72 |
} |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
73 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
74 |
G1NUMA::G1NUMA() : |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
75 |
_node_id_to_index_map(NULL), _len_node_id_to_index_map(0), |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
76 |
_node_ids(NULL), _num_active_node_ids(0), |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
77 |
_region_size(0), _page_size(0) { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
78 |
} |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
79 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
80 |
void G1NUMA::initialize_without_numa() { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
81 |
// If NUMA is not enabled or supported, initialize as having a singel node. |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
82 |
_num_active_node_ids = 1; |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
83 |
_node_ids = NEW_C_HEAP_ARRAY(int, _num_active_node_ids, mtGC); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
84 |
_node_ids[0] = 0; |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
85 |
// Map index 0 to node 0 |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
86 |
_len_node_id_to_index_map = 1; |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
87 |
_node_id_to_index_map = NEW_C_HEAP_ARRAY(uint, _len_node_id_to_index_map, mtGC); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
88 |
_node_id_to_index_map[0] = 0; |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
89 |
} |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
90 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
91 |
void G1NUMA::initialize(bool use_numa) { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
92 |
if (!use_numa) { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
93 |
initialize_without_numa(); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
94 |
return; |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
95 |
} |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
96 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
97 |
assert(UseNUMA, "Invariant"); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
98 |
size_t num_node_ids = os::numa_get_groups_num(); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
99 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
100 |
// Create an array of active node ids. |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
101 |
_node_ids = NEW_C_HEAP_ARRAY(int, num_node_ids, mtGC); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
102 |
_num_active_node_ids = (uint)os::numa_get_leaf_groups(_node_ids, num_node_ids); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
103 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
104 |
int max_node_id = 0; |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
105 |
for (uint i = 0; i < _num_active_node_ids; i++) { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
106 |
max_node_id = MAX2(max_node_id, _node_ids[i]); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
107 |
} |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
108 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
109 |
// Create a mapping between node_id and index. |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
110 |
_len_node_id_to_index_map = max_node_id + 1; |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
111 |
_node_id_to_index_map = NEW_C_HEAP_ARRAY(uint, _len_node_id_to_index_map, mtGC); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
112 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
113 |
// Set all indices with unknown node id. |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
114 |
for (int i = 0; i < _len_node_id_to_index_map; i++) { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
115 |
_node_id_to_index_map[i] = G1NUMA::UnknownNodeIndex; |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
116 |
} |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
117 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
118 |
// Set the indices for the actually retrieved node ids. |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
119 |
for (uint i = 0; i < _num_active_node_ids; i++) { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
120 |
_node_id_to_index_map[_node_ids[i]] = i; |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
121 |
} |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
122 |
} |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
123 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
124 |
G1NUMA::~G1NUMA() { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
125 |
FREE_C_HEAP_ARRAY(int, _node_id_to_index_map); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
126 |
FREE_C_HEAP_ARRAY(int, _node_ids); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
127 |
} |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
128 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
129 |
void G1NUMA::set_region_info(size_t region_size, size_t page_size) { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
130 |
_region_size = region_size; |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
131 |
_page_size = page_size; |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
132 |
} |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
133 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
134 |
uint G1NUMA::num_active_nodes() const { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
135 |
assert(_num_active_node_ids > 0, "just checking"); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
136 |
return _num_active_node_ids; |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
137 |
} |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
138 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
139 |
uint G1NUMA::index_of_current_thread() const { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
140 |
if (!is_enabled()) { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
141 |
return 0; |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
142 |
} |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
143 |
return index_of_node_id(os::numa_get_group_id()); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
144 |
} |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
145 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
146 |
uint G1NUMA::preferred_node_index_for_index(uint region_index) const { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
147 |
if (region_size() >= page_size()) { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
148 |
// Simple case, pages are smaller than the region so we |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
149 |
// can just alternate over the nodes. |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
150 |
return region_index % _num_active_node_ids; |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
151 |
} else { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
152 |
// Multiple regions in one page, so we need to make sure the |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
153 |
// regions within a page is preferred on the same node. |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
154 |
size_t regions_per_page = page_size() / region_size(); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
155 |
return (region_index / regions_per_page) % _num_active_node_ids; |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
156 |
} |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
157 |
} |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
158 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
159 |
int G1NUMA::numa_id(int index) const { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
160 |
assert(index < _len_node_id_to_index_map, "Index %d out of range: [0,%d)", |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
161 |
index, _len_node_id_to_index_map); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
162 |
return _node_ids[index]; |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
163 |
} |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
164 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
165 |
uint G1NUMA::index_of_address(HeapWord *address) const { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
166 |
int numa_id = os::numa_get_group_id_for_address((const void*)address); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
167 |
if (numa_id == -1) { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
168 |
return UnknownNodeIndex; |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
169 |
} else { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
170 |
return index_of_node_id(numa_id); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
171 |
} |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
172 |
} |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
173 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
174 |
uint G1NUMA::index_for_region(HeapRegion* hr) const { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
175 |
if (!is_enabled()) { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
176 |
return 0; |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
177 |
} |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
178 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
179 |
if (AlwaysPreTouch) { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
180 |
// If we already pretouched, we can check actual node index here. |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
181 |
// However, if node index is still unknown, use preferred node index. |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
182 |
uint node_index = index_of_address(hr->bottom()); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
183 |
if (node_index != UnknownNodeIndex) { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
184 |
return node_index; |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
185 |
} |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
186 |
} |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
187 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
188 |
return preferred_node_index_for_index(hr->hrm_index()); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
189 |
} |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
190 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
191 |
// Request to spread the given memory evenly across the available NUMA |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
192 |
// nodes. Which node to request for a given address is given by the |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
193 |
// region size and the page size. Below are two examples on 4 NUMA nodes system: |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
194 |
// 1. G1HeapRegionSize(_region_size) is larger than or equal to page size. |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
195 |
// * Page #: |-0--||-1--||-2--||-3--||-4--||-5--||-6--||-7--||-8--||-9--||-10-||-11-||-12-||-13-||-14-||-15-| |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
196 |
// * HeapRegion #: |----#0----||----#1----||----#2----||----#3----||----#4----||----#5----||----#6----||----#7----| |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
197 |
// * NUMA node #: |----#0----||----#1----||----#2----||----#3----||----#0----||----#1----||----#2----||----#3----| |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
198 |
// 2. G1HeapRegionSize(_region_size) is smaller than page size. |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
199 |
// Memory will be touched one page at a time because G1RegionToSpaceMapper commits |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
200 |
// pages one by one. |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
201 |
// * Page #: |-----0----||-----1----||-----2----||-----3----||-----4----||-----5----||-----6----||-----7----| |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
202 |
// * HeapRegion #: |-#0-||-#1-||-#2-||-#3-||-#4-||-#5-||-#6-||-#7-||-#8-||-#9-||#10-||#11-||#12-||#13-||#14-||#15-| |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
203 |
// * NUMA node #: |----#0----||----#1----||----#2----||----#3----||----#0----||----#1----||----#2----||----#3----| |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
204 |
void G1NUMA::request_memory_on_node(void* aligned_address, size_t size_in_bytes, uint region_index) { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
205 |
if (!is_enabled()) { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
206 |
return; |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
207 |
} |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
208 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
209 |
if (size_in_bytes == 0) { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
210 |
return; |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
211 |
} |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
212 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
213 |
uint node_index = preferred_node_index_for_index(region_index); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
214 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
215 |
assert(is_aligned(aligned_address, page_size()), "Given address (" PTR_FORMAT ") should be aligned.", p2i(aligned_address)); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
216 |
assert(is_aligned(size_in_bytes, page_size()), "Given size (" SIZE_FORMAT ") should be aligned.", size_in_bytes); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
217 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
218 |
log_debug(gc, heap, numa)("Request memory [" PTR_FORMAT ", " PTR_FORMAT ") to be numa id (%d).", |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
219 |
p2i(aligned_address), p2i((char*)aligned_address + size_in_bytes), _node_ids[node_index]); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
220 |
os::numa_make_local((char*)aligned_address, size_in_bytes, _node_ids[node_index]); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
221 |
} |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
222 |
|
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
223 |
uint G1NUMA::max_search_depth() const { |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
224 |
// Multiple of 3 is just random number to limit iterations. |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
225 |
// There would be some cases that 1 page may be consisted of multiple HeapRegions. |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
226 |
return 3 * MAX2((uint)(page_size() / region_size()), (uint)1) * num_active_nodes(); |
fce1fa1bdc91
8220310: Implementation: NUMA-Aware Memory Allocation for G1, Mutator (1/3)
sangheki
parents:
diff
changeset
|
227 |
} |