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package com.oracle.truffle.api.benchmark;
import org.graalvm.polyglot.Context;
import org.graalvm.polyglot.Source;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.annotations.TearDown;
import com.oracle.truffle.api.CallTarget;
import com.oracle.truffle.api.Truffle;
import com.oracle.truffle.api.frame.VirtualFrame;
import com.oracle.truffle.api.nodes.EncapsulatingNodeReference;
import com.oracle.truffle.api.nodes.Node;
import com.oracle.truffle.api.nodes.NodeUtil;
import com.oracle.truffle.api.nodes.RootNode;
@State(Scope.Thread)
@SuppressWarnings("deprecation")
public class EncapsulatingNodeBenchmark extends TruffleBenchmark {
static final String TEST_LANGUAGE = "benchmark-test-language";
@State(Scope.Thread)
public static class PushPopOldCompiled {
final Source source = Source.create(TEST_LANGUAGE, "");
final Context context = Context.create(TEST_LANGUAGE);
{
context.initialize(TEST_LANGUAGE);
}
final Integer intValue = 42;
final CallTarget callTarget = Truffle.getRuntime().createCallTarget(new RootNode(null) {
private final Integer constant = 42;
@Override
public Object execute(VirtualFrame frame) {
Node prev0 = NodeUtil.pushEncapsulatingNode(this);
Node prev1 = NodeUtil.pushEncapsulatingNode(this);
Node prev2 = NodeUtil.pushEncapsulatingNode(this);
sideEffect++;
NodeUtil.popEncapsulatingNode(prev2);
NodeUtil.popEncapsulatingNode(prev1);
NodeUtil.popEncapsulatingNode(prev0);
return constant;
}
});
private final Node node = new Node() {
};
@TearDown
public void tearDown() {
context.close();
}
}
private static final Object[] EMPTY_ARGS = new Object[0];
@Benchmark
public Object pushPopOldCompiled(PushPopOldCompiled state) {
return state.callTarget.call(EMPTY_ARGS);
}
static volatile long sideEffect = 0;
@Benchmark
public Object pushPopOldInterpreter(PushPopOldCompiled state) {
Node prev0 = NodeUtil.pushEncapsulatingNode(state.node);
Node prev1 = NodeUtil.pushEncapsulatingNode(state.node);
Node prev2 = NodeUtil.pushEncapsulatingNode(state.node);
sideEffect++;
NodeUtil.popEncapsulatingNode(prev2);
NodeUtil.popEncapsulatingNode(prev1);
NodeUtil.popEncapsulatingNode(prev0);
return null;
}
@Benchmark
public Object pushPopNewInterpreter(PushPopNewCompiled state) {
Node node = state.node;
EncapsulatingNodeReference nodeRef0 = EncapsulatingNodeReference.getCurrent();
Node prev0 = nodeRef0.set(node);
EncapsulatingNodeReference nodeRef1 = EncapsulatingNodeReference.getCurrent();
Node prev1 = nodeRef0.set(node);
EncapsulatingNodeReference nodeRef2 = EncapsulatingNodeReference.getCurrent();
Node prev2 = nodeRef0.set(node);
sideEffect++;
nodeRef2.set(prev2);
nodeRef1.set(prev1);
nodeRef0.set(prev0);
return null;
}
@State(Scope.Thread)
public static class PushPopNewCompiled {
final Source source = Source.create(TEST_LANGUAGE, "");
final Context context = Context.create(TEST_LANGUAGE);
{
context.initialize(TEST_LANGUAGE);
}
final Integer intValue = 42;
final CallTarget callTarget = Truffle.getRuntime().createCallTarget(new RootNode(null) {
@Override
public Object execute(VirtualFrame frame) {
EncapsulatingNodeReference nodeRef0 = EncapsulatingNodeReference.getCurrent();
Node prev0 = nodeRef0.set(node);
EncapsulatingNodeReference nodeRef1 = EncapsulatingNodeReference.getCurrent();
Node prev1 = nodeRef0.set(node);
EncapsulatingNodeReference nodeRef2 = EncapsulatingNodeReference.getCurrent();
Node prev2 = nodeRef0.set(node);
sideEffect++;
nodeRef2.set(prev2);
nodeRef1.set(prev1);
nodeRef0.set(prev0);
return null;
}
});
final Node node = new Node() {
};
@TearDown
public void tearDown() {
context.close();
}
}
@Benchmark
public Object pushPopNewCompiled(PushPopNewCompiled state) {
return state.callTarget.call(EMPTY_ARGS);
}
}