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8282043: IGV: speed up schedule approximation

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Reviewed-by: chagedorn, kvn
This commit is contained in:
Roberto Castañeda Lozano 2022-04-08 07:16:40 +00:00
parent 8c18705218
commit 003aa2ee76
1 changed files with 2 additions and 24 deletions
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26
src/utils/IdealGraphVisualizer/ServerCompiler/src/main/java/com/sun/hotspot/igv/servercompiler/ServerCompilerScheduler.java
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@ -91,8 +91,6 @@ public class ServerCompilerScheduler implements Scheduler {
private Map<InputNode, Node> inputNodeToNode;
private Vector<InputBlock> blocks;
private Map<InputBlock, InputBlock> dominatorMap;
private Map<InputBlock, Integer> blockIndex;
private InputBlock[][] commonDominator;
private static final Comparator<InputEdge> edgeComparator = new Comparator<InputEdge>() {
@Override
@ -230,14 +228,6 @@ public class ServerCompilerScheduler implements Scheduler {
block.addNode(n.inputNode.getId());
}
}
// Compute block index map for dominator computation.
int z = 0;
blockIndex = new HashMap<>(blocks.size());
for (InputBlock b : blocks) {
blockIndex.put(b, z);
z++;
}
}
private String getBlockName(InputNode n) {
@ -276,7 +266,6 @@ public class ServerCompilerScheduler implements Scheduler {
connectOrphansAndWidows();
buildBlocks();
buildDominators();
buildCommonDominators();
scheduleLatest();
InputBlock noBlock = null;
@ -439,7 +428,7 @@ public class ServerCompilerScheduler implements Scheduler {
if (block == null) {
block = s.block;
} else {
block = commonDominator[this.blockIndex.get(block)][blockIndex.get(s.block)];
block = getCommonDominator(block, s.block);
}
}
}
@ -505,18 +494,7 @@ public class ServerCompilerScheduler implements Scheduler {
}
}
public void buildCommonDominators() {
commonDominator = new InputBlock[this.blocks.size()][this.blocks.size()];
for (int i = 0; i < blocks.size(); i++) {
for (int j = 0; j < blocks.size(); j++) {
commonDominator[i][j] = getCommonDominator(i, j);
}
}
}
public InputBlock getCommonDominator(int a, int b) {
InputBlock ba = blocks.get(a);
InputBlock bb = blocks.get(b);
public InputBlock getCommonDominator(InputBlock ba, InputBlock bb) {
if (ba == bb) {
return ba;
}