MqttQoSValueOfBench Class — netty Architecture
Architecture documentation for the MqttQoSValueOfBench class in MqttQoSValueOfBench.java from the netty codebase.
Entity Profile
Dependency Diagram
graph TD 0c48f3fa_dcc4_727d_b867_370c48d09c33["MqttQoSValueOfBench"] a8bbe89f_62e3_5e91_e4c6_e2eec4ce6221["MqttQoSValueOfBench.java"] 0c48f3fa_dcc4_727d_b867_370c48d09c33 -->|defined in| a8bbe89f_62e3_5e91_e4c6_e2eec4ce6221 9aeb1c42_5129_3257_1795_23d29bb8e36f["initDataSet()"] 0c48f3fa_dcc4_727d_b867_370c48d09c33 -->|method| 9aeb1c42_5129_3257_1795_23d29bb8e36f 7e81341f_6d7e_597b_8342_673cd2ebe9e8["MqttQoS()"] 0c48f3fa_dcc4_727d_b867_370c48d09c33 -->|method| 7e81341f_6d7e_597b_8342_673cd2ebe9e8
Relationship Graph
Source Code
microbench/src/main/java/io/netty/handler/codec/mqtt/MqttQoSValueOfBench.java lines 29–127
@BenchmarkMode(Mode.AverageTime)
@Warmup(iterations = 5, time = 5)
@Measurement(iterations = 5, time = 5)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
public class MqttQoSValueOfBench extends AbstractMicrobenchmark {
private static final int[] DATASET = new int[] {
2, 0, 2, 2, 2, 0, 1, 2, 0, 1, 0, 1, 128, 1, 1, 2, 0, 2, 2, 1, 2, 1, 2, 0, 1, 2, 1, 0, 2, 1, 1, 2, 1, 128,
2, 2, 1, 2, 2, 1, 1, 128, 0, 128, 2, 2, 1, 1, 2, 128, 128, 128, 128, 128, 0, 2, 128, 128, 2, 1, 128, 1, 0,
2, 1, 0, 2, 0, 2, 0, 2, 128, 2, 2, 128, 0, 128, 2, 128, 0, 0, 1, 2, 1, 128, 0, 2, 0, 2, 0, 0, 128, 2, 0,
0, 2, 2, 0, 2, 128, 0, 2, 1, 1, 0, 2, 2, 128, 1, 128, 0, 0, 1, 128, 0, 2, 128, 0, 2, 2, 128, 2, 128, 128,
0, 2, 128, 0, 1, 2, 2, 1, 128, 0, 1, 128, 1, 2, 0, 0, 2, 0, 128, 0, 1, 0, 0, 1, 0, 1, 2, 128, 128, 1, 2,
128, 0, 1, 1, 1, 1, 0, 2, 1, 1, 128, 1, 2, 128, 128, 1, 0, 128, 1, 2, 2, 128, 2, 0, 0, 2, 2, 128, 1, 1,
0, 0, 2, 0, 2, 2, 2, 1, 2, 0, 128, 0, 1, 128, 0, 2, 128, 1, 2, 1, 1, 1, 1, 1, 1, 1, 128, 1, 128, 1, 2,
0, 0, 128, 128, 1, 2, 2, 0, 0, 0, 2, 128, 128, 0, 1, 128, 1, 128, 1, 2, 128, 2, 0, 0, 2, 128, 128, 0, 2,
1, 1, 0, 0, 1, 128, 1, 128, 2, 128, 1, 1, 128, 1, 1, 1, 2, 2, 2, 128, 128, 0, 1, 1, 2, 128, 1, 0, 2, 2,
2, 2, 1, 1, 0, 128, 1, 128, 2, 1, 1, 0, 128, 0, 2, 128, 128, 2, 0, 128, 128, 1, 128, 0, 1, 128, 0, 128,
1, 1, 2, 128, 0, 2, 128, 2, 0, 128, 0, 1, 0, 0, 0, 2, 0, 2, 1, 2, 1, 2, 0, 2, 2, 128, 128, 2, 0, 2, 1,
128, 1, 128, 1, 0, 128, 0, 0, 128, 1, 0, 128, 1, 0, 128, 0, 128, 1, 2, 1, 128, 2, 0, 1, 0, 1, 2, 1, 0,
1, 2, 2, 2, 1, 0, 0, 128, 1, 2, 128, 0, 2, 128, 0, 1, 2, 128, 2, 1, 1, 2, 2, 0, 0, 2, 1, 1, 128, 0, 2,
1, 128, 128, 128, 1, 1, 0, 128, 0, 0, 1, 128, 0, 2, 1, 2, 1, 0, 1, 0, 0, 1, 128, 1, 2, 128, 128, 2, 1, 1,
0, 1, 0, 1, 2, 0, 128, 2, 0, 2, 1, 2, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 128, 0, 1, 2, 0, 0, 2, 2, 2, 0, 0,
128, 1, 0, 0, 0, 1, 2, 128, 2, 0, 128, 128, 128, 128, 2, 2, 0, 1, 1, 0, 1, 128, 128, 1, 0, 0, 128, 128,
1, 2, 128, 2, 128, 128, 128, 2, 0, 1, 128, 1, 0, 1, 2, 128, 128, 2, 2, 0, 0, 1, 1, 0, 1, 1, 0, 128, 0,
0, 0, 128, 0, 0, 0, 128, 2, 1, 0, 1, 1, 0, 2, 1, 1, 0, 2, 1, 2, 1, 2, 0, 0, 2, 128, 128, 0, 0, 2, 128,
0, 128, 2, 2, 128, 0, 128, 1, 1, 0, 0, 128, 2, 1, 2, 128, 0, 2, 128, 1, 0, 1, 2, 0, 0, 128, 128, 0, 1,
2, 128, 1, 2, 2, 0, 128, 2, 1, 0, 1, 128, 128, 2, 0, 1, 0, 0, 2, 0, 128, 2, 2, 1, 128, 128, 128, 1, 0,
128, 2, 128, 1, 128, 1, 1, 2, 0, 128, 0, 1, 0, 128, 0, 2, 2, 0, 0, 2, 128, 128, 2, 0, 128, 1, 128, 128,
2, 1, 1, 2, 0, 2, 128, 0, 0, 0, 2, 2, 2, 0, 128, 0, 1, 2, 1, 128, 1, 2, 2, 0, 128, 1, 1, 1, 128, 2, 2,
128, 0, 0, 1, 2, 1, 1, 2, 0, 1, 2, 128, 2, 2, 128, 128, 0, 128, 1, 1, 128, 128, 128, 2, 1, 1, 1, 2, 1,
1, 0, 1, 128, 0, 2, 2, 0, 1, 2, 128, 128, 128, 2, 128, 128, 128, 2, 2, 2, 0, 128, 2, 128, 1, 0, 128,
128, 2, 128, 0, 2, 1, 128, 128, 0, 1, 1, 0, 128, 0, 0, 2, 1, 0, 2, 1, 2, 128, 0, 128, 1, 128, 1, 0, 2,
1, 1, 1, 2, 1, 0, 1, 128, 2, 2, 0, 1, 128, 1, 0, 1, 0, 0, 128, 0, 128, 2, 2, 128, 128, 1, 0, 128, 1, 0,
2, 1, 128, 128, 0, 0, 0, 0, 128, 2, 2, 1, 128, 1, 0, 1, 128, 0, 128, 128, 1, 128, 0, 2, 2, 2, 0, 2, 0,
1, 1, 2, 1, 1, 1, 128, 0, 2, 2, 2, 0, 2, 0, 1, 1, 1, 128, 128, 128, 128, 2, 128, 1, 0, 1, 1, 1, 1, 2, 2,
1, 0, 128, 2, 128, 128, 0, 1, 128, 128, 128, 128, 128, 1, 0, 2, 0, 128, 0, 0, 2, 2, 0, 1, 2, 1, 0, 2, 128,
0, 2, 2, 2, 0, 0, 1, 128, 2, 1, 128, 128, 1, 128, 0, 1, 128, 1, 1, 1, 2, 0, 128, 1, 128, 2, 2, 0, 2, 0,
0, 0, 0, 0, 2, 128, 0, 1, 2, 0, 0, 2, 2, 2, 0, 0, 0, 1, 0, 128, 1, 0, 1, 1, 128, 128, 128, 1, 128, 0, 128,
2, 1, 2, 1, 0, 1, 2, 128, 2, 1, 1, 2, 1, 128, 1, 2, 0, 2, 128, 2, 128, 2, 2, 1, 1, 128, 2, 2, 0, 128, 0, 2,
1, 128, 128, 128, 0, 1, 2, 2, 2, 0, 0, 128, 1, 2, 2, 128, 128, 128, 1, 128, 0, 2, 2, 1, 2, 2, 2, 0, 0, 2,
2, 0, 2, 2, 128, 0, 2, 128, 1, 0, 1, 128, 1, 0, 128, 1, 128, 1, 0, 1, 2, 1, 128, 1, 128, 2, 128, 128, 1,
2, 128, 1, 2, 0, 2
};
int[] types;
long next;
long mask;
@Setup
public void initDataSet() {
types = DATASET;
next = 0;
mask = types.length - 1;
if (Integer.bitCount(types.length) != 1) {
throw new AssertionError("The data set should contains power of 2 items");
}
}
@Benchmark
public MqttQoS getViaArray() {
long next = this.next;
int nextIndex = (int) (next & mask);
MqttQoS mqttQoS = arrayValueOf(types[nextIndex]);
this.next = next + 1;
return mqttQoS;
}
@Benchmark
public MqttQoS getViaSwitch() {
long next = this.next;
int nextIndex = (int) (next & mask);
MqttQoS mqttQoS = MqttQoS.valueOf(types[nextIndex]);
this.next = next + 1;
return mqttQoS;
}
private static final MqttQoS[] VALUES;
static {
VALUES = new MqttQoS[129];
for (MqttQoS value : MqttQoS.values()) {Source
Frequently Asked Questions
What is the MqttQoSValueOfBench class?
MqttQoSValueOfBench is a class in the netty codebase, defined in microbench/src/main/java/io/netty/handler/codec/mqtt/MqttQoSValueOfBench.java.
Where is MqttQoSValueOfBench defined?
MqttQoSValueOfBench is defined in microbench/src/main/java/io/netty/handler/codec/mqtt/MqttQoSValueOfBench.java at line 29.
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