81 *
82 * Additionally, there's a second counter that's only increased for code sections without invokes.
83 */
84 public class ProfileCompiledMethodsPhase extends Phase {
85
86 private static final String GROUP_NAME = "~profiled weight";
87 private static final String GROUP_NAME_WITHOUT = "~profiled weight (invoke-free sections)";
88 private static final String GROUP_NAME_INVOKES = "~profiled invokes";
89
90 private static final boolean WITH_SECTION_HEADER = Boolean.parseBoolean(System.getProperty("ProfileCompiledMethodsPhase.WITH_SECTION_HEADER", "false"));
91 private static final boolean WITH_INVOKE_FREE_SECTIONS = Boolean.parseBoolean(System.getProperty("ProfileCompiledMethodsPhase.WITH_FREE_SECTIONS", "false"));
92 private static final boolean WITH_INVOKES = Boolean.parseBoolean(System.getProperty("ProfileCompiledMethodsPhase.WITH_INVOKES", "true"));
93
94 @Override
95 protected void run(StructuredGraph graph) {
96 SchedulePhase schedule = new SchedulePhase(graph.getOptions());
97 schedule.apply(graph, false);
98
99 ControlFlowGraph cfg = ControlFlowGraph.compute(graph, true, true, true, true);
100 for (Loop<Block> loop : cfg.getLoops()) {
101 double loopProbability = cfg.blockFor(loop.getHeader().getBeginNode()).probability();
102 if (loopProbability > (1D / Integer.MAX_VALUE)) {
103 addSectionCounters(loop.getHeader().getBeginNode(), loop.getBlocks(), loop.getChildren(), graph.getLastSchedule(), cfg);
104 }
105 }
106 // don't put the counter increase directly after the start (problems with OSR)
107 FixedWithNextNode current = graph.start();
108 while (current.next() instanceof FixedWithNextNode) {
109 current = (FixedWithNextNode) current.next();
110 }
111 addSectionCounters(current, Arrays.asList(cfg.getBlocks()), cfg.getLoops(), graph.getLastSchedule(), cfg);
112
113 if (WITH_INVOKES) {
114 for (Node node : graph.getNodes()) {
115 if (node instanceof Invoke) {
116 Invoke invoke = (Invoke) node;
117 DynamicCounterNode.addCounterBefore(GROUP_NAME_INVOKES, invoke.callTarget().targetName(), 1, true, invoke.asNode());
118
119 }
120 }
121 }
122 }
123
124 private static void addSectionCounters(FixedWithNextNode start, Collection<Block> sectionBlocks, Collection<Loop<Block>> childLoops, ScheduleResult schedule, ControlFlowGraph cfg) {
125 HashSet<Block> blocks = new HashSet<>(sectionBlocks);
126 for (Loop<Block> loop : childLoops) {
127 blocks.removeAll(loop.getBlocks());
128 }
129 double weight = getSectionWeight(schedule, blocks) / cfg.blockFor(start).probability();
130 DynamicCounterNode.addCounterBefore(GROUP_NAME, sectionHead(start), (long) weight, true, start.next());
131 if (WITH_INVOKE_FREE_SECTIONS && !hasInvoke(blocks)) {
132 DynamicCounterNode.addCounterBefore(GROUP_NAME_WITHOUT, sectionHead(start), (long) weight, true, start.next());
133 }
134 }
135
136 private static String sectionHead(Node node) {
137 if (WITH_SECTION_HEADER) {
138 return node.toString();
139 } else {
140 return "";
141 }
142 }
143
144 private static double getSectionWeight(ScheduleResult schedule, Collection<Block> blocks) {
145 double count = 0;
146 for (Block block : blocks) {
147 double blockProbability = block.probability();
148 for (Node node : schedule.getBlockToNodesMap().get(block)) {
149 count += blockProbability * getNodeWeight(node);
150 }
151 }
152 return count;
153 }
154
155 private static double getNodeWeight(Node node) {
156 if (node instanceof AbstractMergeNode) {
157 return ((AbstractMergeNode) node).phiPredecessorCount();
158 } else if (node instanceof AbstractBeginNode || node instanceof AbstractEndNode || node instanceof MonitorIdNode || node instanceof ConstantNode || node instanceof ParameterNode ||
159 node instanceof CallTargetNode || node instanceof ValueProxy || node instanceof VirtualObjectNode || node instanceof ReinterpretNode) {
160 return 0;
161 } else if (node instanceof AccessMonitorNode) {
162 return 10;
163 } else if (node instanceof Access) {
164 return 2;
165 } else if (node instanceof LogicNode || node instanceof ConvertNode || node instanceof NotNode) {
166 return 1;
167 } else if (node instanceof IntegerDivRemNode || node instanceof FloatDivNode || node instanceof RemNode) {
|
81 *
82 * Additionally, there's a second counter that's only increased for code sections without invokes.
83 */
84 public class ProfileCompiledMethodsPhase extends Phase {
85
86 private static final String GROUP_NAME = "~profiled weight";
87 private static final String GROUP_NAME_WITHOUT = "~profiled weight (invoke-free sections)";
88 private static final String GROUP_NAME_INVOKES = "~profiled invokes";
89
90 private static final boolean WITH_SECTION_HEADER = Boolean.parseBoolean(System.getProperty("ProfileCompiledMethodsPhase.WITH_SECTION_HEADER", "false"));
91 private static final boolean WITH_INVOKE_FREE_SECTIONS = Boolean.parseBoolean(System.getProperty("ProfileCompiledMethodsPhase.WITH_FREE_SECTIONS", "false"));
92 private static final boolean WITH_INVOKES = Boolean.parseBoolean(System.getProperty("ProfileCompiledMethodsPhase.WITH_INVOKES", "true"));
93
94 @Override
95 protected void run(StructuredGraph graph) {
96 SchedulePhase schedule = new SchedulePhase(graph.getOptions());
97 schedule.apply(graph, false);
98
99 ControlFlowGraph cfg = ControlFlowGraph.compute(graph, true, true, true, true);
100 for (Loop<Block> loop : cfg.getLoops()) {
101 double loopProbability = cfg.blockFor(loop.getHeader().getBeginNode()).getRelativeFrequency();
102 if (loopProbability > (1D / Integer.MAX_VALUE)) {
103 addSectionCounters(loop.getHeader().getBeginNode(), loop.getBlocks(), loop.getChildren(), graph.getLastSchedule(), cfg);
104 }
105 }
106 // don't put the counter increase directly after the start (problems with OSR)
107 FixedWithNextNode current = graph.start();
108 while (current.next() instanceof FixedWithNextNode) {
109 current = (FixedWithNextNode) current.next();
110 }
111 addSectionCounters(current, Arrays.asList(cfg.getBlocks()), cfg.getLoops(), graph.getLastSchedule(), cfg);
112
113 if (WITH_INVOKES) {
114 for (Node node : graph.getNodes()) {
115 if (node instanceof Invoke) {
116 Invoke invoke = (Invoke) node;
117 DynamicCounterNode.addCounterBefore(GROUP_NAME_INVOKES, invoke.callTarget().targetName(), 1, true, invoke.asNode());
118
119 }
120 }
121 }
122 }
123
124 private static void addSectionCounters(FixedWithNextNode start, Collection<Block> sectionBlocks, Collection<Loop<Block>> childLoops, ScheduleResult schedule, ControlFlowGraph cfg) {
125 HashSet<Block> blocks = new HashSet<>(sectionBlocks);
126 for (Loop<Block> loop : childLoops) {
127 blocks.removeAll(loop.getBlocks());
128 }
129 long increment = DynamicCounterNode.clampIncrement((long) (getSectionWeight(schedule, blocks) / cfg.blockFor(start).getRelativeFrequency()));
130 DynamicCounterNode.addCounterBefore(GROUP_NAME, sectionHead(start), increment, true, start.next());
131 if (WITH_INVOKE_FREE_SECTIONS && !hasInvoke(blocks)) {
132 DynamicCounterNode.addCounterBefore(GROUP_NAME_WITHOUT, sectionHead(start), increment, true, start.next());
133 }
134 }
135
136 private static String sectionHead(Node node) {
137 if (WITH_SECTION_HEADER) {
138 return node.toString();
139 } else {
140 return "";
141 }
142 }
143
144 private static double getSectionWeight(ScheduleResult schedule, Collection<Block> blocks) {
145 double count = 0;
146 for (Block block : blocks) {
147 double blockProbability = block.getRelativeFrequency();
148 for (Node node : schedule.getBlockToNodesMap().get(block)) {
149 count += blockProbability * getNodeWeight(node);
150 }
151 }
152 return count;
153 }
154
155 private static double getNodeWeight(Node node) {
156 if (node instanceof AbstractMergeNode) {
157 return ((AbstractMergeNode) node).phiPredecessorCount();
158 } else if (node instanceof AbstractBeginNode || node instanceof AbstractEndNode || node instanceof MonitorIdNode || node instanceof ConstantNode || node instanceof ParameterNode ||
159 node instanceof CallTargetNode || node instanceof ValueProxy || node instanceof VirtualObjectNode || node instanceof ReinterpretNode) {
160 return 0;
161 } else if (node instanceof AccessMonitorNode) {
162 return 10;
163 } else if (node instanceof Access) {
164 return 2;
165 } else if (node instanceof LogicNode || node instanceof ConvertNode || node instanceof NotNode) {
166 return 1;
167 } else if (node instanceof IntegerDivRemNode || node instanceof FloatDivNode || node instanceof RemNode) {
|