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96
rsocket-core/src/jmh/java/io/rsocket/metadata/WellKnownMimeTypePerf.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| package io.rsocket.metadata; | ||
|
|
||
| import org.openjdk.jmh.annotations.*; | ||
| import org.openjdk.jmh.infra.Blackhole; | ||
|
|
||
| @BenchmarkMode(Mode.Throughput) | ||
| @Fork(value = 1) | ||
| @Warmup(iterations = 10) | ||
| @Measurement(iterations = 10) | ||
| @State(Scope.Thread) | ||
| public class WellKnownMimeTypePerf { | ||
|
|
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| // this is the old values() looping implementation of fromIdentifier | ||
| private WellKnownMimeType fromIdValuesLoop(int id) { | ||
| if (id < 0 || id > 127) { | ||
| return WellKnownMimeType.UNPARSEABLE_MIME_TYPE; | ||
| } | ||
| for (WellKnownMimeType value : WellKnownMimeType.values()) { | ||
| if (value.getIdentifier() == id) { | ||
| return value; | ||
| } | ||
| } | ||
| return WellKnownMimeType.UNKNOWN_RESERVED_MIME_TYPE; | ||
| } | ||
|
|
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| // this is the core of the old values() looping implementation of fromString | ||
| private WellKnownMimeType fromStringValuesLoop(String mimeType) { | ||
| for (WellKnownMimeType value : WellKnownMimeType.values()) { | ||
| if (mimeType.equals(value.getString())) { | ||
| return value; | ||
| } | ||
| } | ||
| return WellKnownMimeType.UNPARSEABLE_MIME_TYPE; | ||
| } | ||
|
|
||
| @Benchmark | ||
| public void fromIdArrayLookup(final Blackhole bh) { | ||
| // negative lookup | ||
| bh.consume(WellKnownMimeType.fromIdentifier(-10)); | ||
| bh.consume(WellKnownMimeType.fromIdentifier(-1)); | ||
| // too large lookup | ||
| bh.consume(WellKnownMimeType.fromIdentifier(129)); | ||
| // first lookup | ||
| bh.consume(WellKnownMimeType.fromIdentifier(0)); | ||
| // middle lookup | ||
| bh.consume(WellKnownMimeType.fromIdentifier(37)); | ||
| // reserved lookup | ||
| bh.consume(WellKnownMimeType.fromIdentifier(63)); | ||
| // last lookup | ||
| bh.consume(WellKnownMimeType.fromIdentifier(127)); | ||
| } | ||
|
|
||
| @Benchmark | ||
| public void fromIdValuesLoopLookup(final Blackhole bh) { | ||
| // negative lookup | ||
| bh.consume(fromIdValuesLoop(-10)); | ||
| bh.consume(fromIdValuesLoop(-1)); | ||
| // too large lookup | ||
| bh.consume(fromIdValuesLoop(129)); | ||
| // first lookup | ||
| bh.consume(fromIdValuesLoop(0)); | ||
| // middle lookup | ||
| bh.consume(fromIdValuesLoop(37)); | ||
| // reserved lookup | ||
| bh.consume(fromIdValuesLoop(63)); | ||
| // last lookup | ||
| bh.consume(fromIdValuesLoop(127)); | ||
| } | ||
|
|
||
| @Benchmark | ||
| public void fromStringMapLookup(final Blackhole bh) { | ||
| // unknown lookup | ||
| bh.consume(WellKnownMimeType.fromString("foo/bar")); | ||
| // first lookup | ||
| bh.consume(WellKnownMimeType.fromString(WellKnownMimeType.APPLICATION_AVRO.getString())); | ||
| // middle lookup | ||
| bh.consume(WellKnownMimeType.fromString(WellKnownMimeType.VIDEO_VP8.getString())); | ||
| // last lookup | ||
| bh.consume( | ||
| WellKnownMimeType.fromString( | ||
| WellKnownMimeType.MESSAGE_RSOCKET_COMPOSITE_METADATA.getString())); | ||
| } | ||
|
|
||
| @Benchmark | ||
| public void fromStringValuesLoopLookup(final Blackhole bh) { | ||
| // unknown lookup | ||
| bh.consume(fromStringValuesLoop("foo/bar")); | ||
| // first lookup | ||
| bh.consume(fromStringValuesLoop(WellKnownMimeType.APPLICATION_AVRO.getString())); | ||
| // middle lookup | ||
| bh.consume(fromStringValuesLoop(WellKnownMimeType.VIDEO_VP8.getString())); | ||
| // last lookup | ||
| bh.consume( | ||
| fromStringValuesLoop(WellKnownMimeType.MESSAGE_RSOCKET_COMPOSITE_METADATA.getString())); | ||
| } | ||
| } |
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