1 /*
2 * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
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 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
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23 */
24
25 #ifndef SHARE_GC_SHARED_WORKERDATAARRAY_INLINE_HPP
26 #define SHARE_GC_SHARED_WORKERDATAARRAY_INLINE_HPP
27
28 #include "gc/shared/workerDataArray.hpp"
29 #include "memory/allocation.inline.hpp"
30 #include "utilities/ostream.hpp"
31
32 template <typename T>
33 WorkerDataArray<T>::WorkerDataArray(const char* title, uint length, bool is_serial) :
34 _data(NULL),
35 _length(length),
36 _title(title),
37 _is_serial(is_serial) {
38 assert(length > 0, "Must have some workers to store data for");
39 assert(!is_serial || length == 1, "Serial phase must only have a single entry.");
40 _data = NEW_C_HEAP_ARRAY(T, _length, mtGC);
41 for (uint i = 0; i < MaxThreadWorkItems; i++) {
42 _thread_work_items[i] = NULL;
43 }
44 reset();
45 }
46
47 template <typename T>
48 void WorkerDataArray<T>::set(uint worker_i, T value) {
49 assert(worker_i < _length, "Worker %d is greater than max: %d", worker_i, _length);
50 assert(_data[worker_i] == uninitialized(), "Overwriting data for worker %d in %s", worker_i, _title);
51 _data[worker_i] = value;
52 }
53
54 template <typename T>
55 T WorkerDataArray<T>::get(uint worker_i) const {
56 assert(worker_i < _length, "Worker %d is greater than max: %d", worker_i, _length);
57 return _data[worker_i];
58 }
59
60 template <typename T>
61 WorkerDataArray<T>::~WorkerDataArray() {
62 for (uint i = 0; i < MaxThreadWorkItems; i++) {
63 delete _thread_work_items[i];
64 }
65 FREE_C_HEAP_ARRAY(T, _data);
66 }
67
68 template <typename T>
69 void WorkerDataArray<T>::create_thread_work_items(const char* title, uint index, uint length_override) {
70 assert(index < MaxThreadWorkItems, "Tried to access thread work item %u (max %u)", index, MaxThreadWorkItems);
71 assert(_thread_work_items[index] == NULL, "Tried to overwrite existing thread work item");
72 uint length = length_override != 0 ? length_override : _length;
73 _thread_work_items[index] = new WorkerDataArray<size_t>(title, length);
74 }
75
76 template <typename T>
77 void WorkerDataArray<T>::set_thread_work_item(uint worker_i, size_t value, uint index) {
78 assert(index < MaxThreadWorkItems, "Tried to access thread work item %u (max %u)", index, MaxThreadWorkItems);
79 assert(_thread_work_items[index] != NULL, "No sub count");
80 _thread_work_items[index]->set(worker_i, value);
81 }
82
83 template <typename T>
84 void WorkerDataArray<T>::add_thread_work_item(uint worker_i, size_t value, uint index) {
85 assert(index < MaxThreadWorkItems, "Tried to access thread work item %u (max %u)", index, MaxThreadWorkItems);
86 assert(_thread_work_items[index] != NULL, "No sub count");
87 _thread_work_items[index]->add(worker_i, value);
88 }
89
90 template <typename T>
91 void WorkerDataArray<T>::set_or_add_thread_work_item(uint worker_i, size_t value, uint index) {
92 assert(index < MaxThreadWorkItems, "Tried to access thread work item %u (max %u)", index, MaxThreadWorkItems);
93 assert(_thread_work_items[index] != NULL, "No sub count");
94 if (_thread_work_items[index]->get(worker_i) == _thread_work_items[index]->uninitialized()) {
95 _thread_work_items[index]->set(worker_i, value);
96 } else {
97 _thread_work_items[index]->add(worker_i, value);
98 }
99 }
100
101 template <typename T>
102 size_t WorkerDataArray<T>::get_thread_work_item(uint worker_i, uint index) {
103 assert(index < MaxThreadWorkItems, "Tried to access thread work item %u (max %u)", index, MaxThreadWorkItems);
104 assert(_thread_work_items[index] != NULL, "No sub count");
105 return _thread_work_items[index]->get(worker_i);
106 }
107
108 template <typename T>
109 void WorkerDataArray<T>::add(uint worker_i, T value) {
110 assert(worker_i < _length, "Worker %d is greater than max: %d", worker_i, _length);
111 assert(_data[worker_i] != uninitialized(), "No data to add to %s for worker %d", _title, worker_i);
112 _data[worker_i] += value;
113 }
114
115 template <typename T>
116 double WorkerDataArray<T>::average() const {
117 uint contributing_threads = 0;
118 for (uint i = 0; i < _length; ++i) {
119 if (get(i) != uninitialized()) {
120 contributing_threads++;
121 }
122 }
123 if (contributing_threads == 0) {
124 return 0.0;
125 }
126 return sum() / (double) contributing_threads;
127 }
128
129 template <typename T>
130 T WorkerDataArray<T>::sum() const {
131 T s = 0;
132 for (uint i = 0; i < _length; ++i) {
133 if (get(i) != uninitialized()) {
134 s += get(i);
135 }
136 }
137 return s;
138 }
139
140 template <typename T>
141 void WorkerDataArray<T>::set_all(T value) {
142 for (uint i = 0; i < _length; i++) {
143 _data[i] = value;
144 }
145 }
146
147 template <class T>
148 void WorkerDataArray<T>::print_summary_on(outputStream* out, bool print_sum) const {
149 if (_is_serial) {
150 out->print("%s:", title());
151 } else {
152 out->print("%-25s", title());
153 }
154
155 uint start = 0;
156 while (start < _length && get(start) == uninitialized()) {
157 start++;
158 }
159 if (start < _length) {
160 if (_is_serial) {
161 WDAPrinter::summary(out, get(0));
162 } else {
163 T min = get(start);
164 T max = min;
165 T sum = 0;
166 uint contributing_threads = 0;
167 for (uint i = start; i < _length; ++i) {
168 T value = get(i);
169 if (value != uninitialized()) {
170 max = MAX2(max, value);
171 min = MIN2(min, value);
172 sum += value;
173 contributing_threads++;
174 }
175 }
176 T diff = max - min;
177 assert(contributing_threads != 0, "Must be since we found a used value for the start index");
178 double avg = sum / (double) contributing_threads;
179 WDAPrinter::summary(out, min, avg, max, diff, sum, print_sum);
180 out->print_cr(", Workers: %d", contributing_threads);
181 }
182 } else {
183 // No data for this phase.
184 out->print_cr(" skipped");
185 }
186 }
187
188 template <class T>
189 void WorkerDataArray<T>::print_details_on(outputStream* out) const {
190 WDAPrinter::details(this, out);
191 }
192
193 template <typename T>
194 void WorkerDataArray<T>::reset() {
195 set_all(uninitialized());
196 for (uint i = 0; i < MaxThreadWorkItems; i++) {
197 if (_thread_work_items[i] != NULL) {
198 _thread_work_items[i]->reset();
199 }
200 }
201 }
202
203 #endif // SHARE_GC_SHARED_WORKERDATAARRAY_INLINE_HPP