Scott Mitchell 06e7627b5f Read Only Http2Headers ... Motivation: A read only implementation of Http2Headers can allow for a more efficient usage of memory and more performant combined construction and iteration during serialization. Modifications: - Add a new ReadOnlyHttp2Headers class Result: ReadOnlyHttp2Headers exists and can be used for performance reasons when appropriate. ``` Benchmark (headerCount) Mode Cnt Score Error Units ReadOnlyHttp2HeadersBenchmark.defaultClientHeaders 1 avgt 20 96.156 ± 1.902 ns/op ReadOnlyHttp2HeadersBenchmark.defaultClientHeaders 5 avgt 20 157.925 ± 3.847 ns/op ReadOnlyHttp2HeadersBenchmark.defaultClientHeaders 10 avgt 20 236.257 ± 2.663 ns/op ReadOnlyHttp2HeadersBenchmark.defaultClientHeaders 20 avgt 20 392.861 ± 3.932 ns/op ReadOnlyHttp2HeadersBenchmark.defaultServerHeaders 1 avgt 20 48.759 ± 0.466 ns/op ReadOnlyHttp2HeadersBenchmark.defaultServerHeaders 5 avgt 20 113.122 ± 0.948 ns/op ReadOnlyHttp2HeadersBenchmark.defaultServerHeaders 10 avgt 20 192.698 ± 1.936 ns/op ReadOnlyHttp2HeadersBenchmark.defaultServerHeaders 20 avgt 20 348.974 ± 3.111 ns/op ReadOnlyHttp2HeadersBenchmark.defaultTrailers 1 avgt 20 35.694 ± 0.271 ns/op ReadOnlyHttp2HeadersBenchmark.defaultTrailers 5 avgt 20 98.993 ± 2.933 ns/op ReadOnlyHttp2HeadersBenchmark.defaultTrailers 10 avgt 20 171.035 ± 5.068 ns/op ReadOnlyHttp2HeadersBenchmark.defaultTrailers 20 avgt 20 330.621 ± 3.381 ns/op ReadOnlyHttp2HeadersBenchmark.readOnlyClientHeaders 1 avgt 20 40.573 ± 0.474 ns/op ReadOnlyHttp2HeadersBenchmark.readOnlyClientHeaders 5 avgt 20 56.516 ± 0.660 ns/op ReadOnlyHttp2HeadersBenchmark.readOnlyClientHeaders 10 avgt 20 76.890 ± 0.776 ns/op ReadOnlyHttp2HeadersBenchmark.readOnlyClientHeaders 20 avgt 20 117.531 ± 1.393 ns/op ReadOnlyHttp2HeadersBenchmark.readOnlyServerHeaders 1 avgt 20 29.206 ± 0.264 ns/op ReadOnlyHttp2HeadersBenchmark.readOnlyServerHeaders 5 avgt 20 44.587 ± 0.312 ns/op ReadOnlyHttp2HeadersBenchmark.readOnlyServerHeaders 10 avgt 20 64.458 ± 1.169 ns/op ReadOnlyHttp2HeadersBenchmark.readOnlyServerHeaders 20 avgt 20 107.179 ± 0.881 ns/op ReadOnlyHttp2HeadersBenchmark.readOnlyTrailers 1 avgt 20 21.563 ± 0.202 ns/op ReadOnlyHttp2HeadersBenchmark.readOnlyTrailers 5 avgt 20 41.019 ± 0.440 ns/op ReadOnlyHttp2HeadersBenchmark.readOnlyTrailers 10 avgt 20 64.053 ± 0.785 ns/op ReadOnlyHttp2HeadersBenchmark.readOnlyTrailers 20 avgt 20 113.737 ± 4.433 ns/op ```		2016-12-18 09:32:24 -08:00
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main	Read Only Http2Headers	2016-12-18 09:32:24 -08:00
test/java/io/netty/microbench	retainSlice() unwrap ByteBuf	2016-07-29 11:16:44 -07:00