Alawn/Chronicle-Map
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Merge remote-tracking branch 'origin/master'

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This commit is contained in:
Rob Austin
2014-12-04 11:04:30 +00:00
parent 9409fac001 c83c065c77
commit ca333fa0d4
1 changed files with 15 additions and 7 deletions
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src/test/java/net/openhft/chronicle/map/example/DistributedSequenceMain.java
+15 -7
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@@ -23,21 +23,29 @@ import net.openhft.chronicle.map.ChronicleMapBuilder;
import net.openhft.lang.model.DataValueClasses;
import net.openhft.lang.values.LongValue;
import java.io.File;
import java.io.IOException;
public class DistributedSequenceMain {
public static void main(String... ignored) throws IOException {
Class<LongValue> longValueClass = DataValueClasses.directClassFor(LongValue.class);
File file = File.createTempFile("sequence-numbers", ".dat");
try (ChronicleMap<String, LongValue> map =
ChronicleMapBuilder.of(String.class, longValueClass)
ChronicleMapBuilder.of(String.class, LongValue.class)
.entries(128)
.actualSegments(1).create()) {
LongValue value = DataValueClasses.newDirectReference(longValueClass);
map.acquireUsing("sequence", value);
.actualSegments(1)
.createPersistedTo(file)) {
for (int t = 0; t < 5; t++) {
LongValue value = DataValueClasses.newDirectReference(LongValue.class);
map.acquireUsing("sequence-" + t, value);
for (int i = 0; i < 1000000; i++) {
long nextId = value.addAtomicValue(1);
long start = System.nanoTime();
int runs = 10000000;
for (int i = 0; i < runs; i++) {
long nextId = value.addAtomicValue(1);
}
double rate = (double) (System.nanoTime() - start) / runs;
System.out.printf("Uncontended increment took an average of %.1f ns.%n", rate);
}
}
}