65d8ecc3a0
Motivation: Table based decoding is fast. Modification: Use table based decoding in HPACK decoder, inspired by https://github.com/python-hyper/hpack/blob/master/hpack/huffman_table.py This modifies the table to be based on integers, rather than 3-tuples of bytes. This is for two reasons: 1. It's faster 2. Using bytes makes the static intializer too big, and doesn't compile. Result: Faster Huffman decoding. This only seems to help the ascii case, the other decoding is about the same. Benchmarks: ``` Before: Benchmark (limitToAscii) (sensitive) (size) Mode Cnt Score Error Units HpackDecoderBenchmark.decode true true SMALL thrpt 20 426293.636 ± 1444.843 ops/s HpackDecoderBenchmark.decode true true MEDIUM thrpt 20 57843.738 ± 725.704 ops/s HpackDecoderBenchmark.decode true true LARGE thrpt 20 3002.412 ± 16.998 ops/s HpackDecoderBenchmark.decode true false SMALL thrpt 20 412339.400 ± 1128.394 ops/s HpackDecoderBenchmark.decode true false MEDIUM thrpt 20 58226.870 ± 199.591 ops/s HpackDecoderBenchmark.decode true false LARGE thrpt 20 3044.256 ± 10.675 ops/s HpackDecoderBenchmark.decode false true SMALL thrpt 20 2082615.030 ± 5929.726 ops/s HpackDecoderBenchmark.decode false true MEDIUM thrpt 10 571640.454 ± 26499.229 ops/s HpackDecoderBenchmark.decode false true LARGE thrpt 20 92714.555 ± 2292.222 ops/s HpackDecoderBenchmark.decode false false SMALL thrpt 20 1745872.421 ± 6788.840 ops/s HpackDecoderBenchmark.decode false false MEDIUM thrpt 20 490420.323 ± 2455.431 ops/s HpackDecoderBenchmark.decode false false LARGE thrpt 20 84536.200 ± 398.714 ops/s After(bytes): Benchmark (limitToAscii) (sensitive) (size) Mode Cnt Score Error Units HpackDecoderBenchmark.decode true true SMALL thrpt 20 472649.148 ± 7122.461 ops/s HpackDecoderBenchmark.decode true true MEDIUM thrpt 20 66739.638 ± 341.607 ops/s HpackDecoderBenchmark.decode true true LARGE thrpt 20 3139.773 ± 24.491 ops/s HpackDecoderBenchmark.decode true false SMALL thrpt 20 466933.833 ± 4514.971 ops/s HpackDecoderBenchmark.decode true false MEDIUM thrpt 20 66111.778 ± 568.326 ops/s HpackDecoderBenchmark.decode true false LARGE thrpt 20 3143.619 ± 3.332 ops/s HpackDecoderBenchmark.decode false true SMALL thrpt 20 2109995.177 ± 6203.143 ops/s HpackDecoderBenchmark.decode false true MEDIUM thrpt 20 586026.055 ± 1578.550 ops/s HpackDecoderBenchmark.decode false false SMALL thrpt 20 1775723.270 ± 4932.057 ops/s HpackDecoderBenchmark.decode false false MEDIUM thrpt 20 493316.467 ± 1453.037 ops/s HpackDecoderBenchmark.decode false false LARGE thrpt 10 85726.219 ± 402.573 ops/s After(ints): Benchmark (limitToAscii) (sensitive) (size) Mode Cnt Score Error Units HpackDecoderBenchmark.decode true true SMALL thrpt 20 615549.006 ± 5282.283 ops/s HpackDecoderBenchmark.decode true true MEDIUM thrpt 20 86714.630 ± 654.489 ops/s HpackDecoderBenchmark.decode true true LARGE thrpt 20 3984.439 ± 61.612 ops/s HpackDecoderBenchmark.decode true false SMALL thrpt 20 602489.337 ± 5397.024 ops/s HpackDecoderBenchmark.decode true false MEDIUM thrpt 20 88399.109 ± 241.115 ops/s HpackDecoderBenchmark.decode true false LARGE thrpt 20 3875.729 ± 103.057 ops/s HpackDecoderBenchmark.decode false true SMALL thrpt 20 2092165.454 ± 11918.859 ops/s HpackDecoderBenchmark.decode false true MEDIUM thrpt 20 583465.437 ± 5452.115 ops/s HpackDecoderBenchmark.decode false true LARGE thrpt 20 93290.061 ± 665.904 ops/s HpackDecoderBenchmark.decode false false SMALL thrpt 20 1758402.495 ± 14677.438 ops/s HpackDecoderBenchmark.decode false false MEDIUM thrpt 10 491598.099 ± 5029.698 ops/s HpackDecoderBenchmark.decode false false LARGE thrpt 20 85834.290 ± 554.915 ops/s ```
105 lines
3.8 KiB
Java
105 lines
3.8 KiB
Java
/*
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* Copyright 2015 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.handler.codec.http2;
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import io.netty.handler.codec.http2.Http2HeadersEncoder.SensitivityDetector;
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import io.netty.util.internal.UnstableApi;
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/**
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* Builder which builds {@link HttpToHttp2ConnectionHandler} objects.
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*/
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@UnstableApi
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public final class HttpToHttp2ConnectionHandlerBuilder extends
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AbstractHttp2ConnectionHandlerBuilder<HttpToHttp2ConnectionHandler, HttpToHttp2ConnectionHandlerBuilder> {
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@Override
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public HttpToHttp2ConnectionHandlerBuilder validateHeaders(boolean validateHeaders) {
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return super.validateHeaders(validateHeaders);
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}
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@Override
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public HttpToHttp2ConnectionHandlerBuilder initialSettings(Http2Settings settings) {
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return super.initialSettings(settings);
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}
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@Override
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public HttpToHttp2ConnectionHandlerBuilder frameListener(Http2FrameListener frameListener) {
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return super.frameListener(frameListener);
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}
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@Override
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public HttpToHttp2ConnectionHandlerBuilder gracefulShutdownTimeoutMillis(long gracefulShutdownTimeoutMillis) {
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return super.gracefulShutdownTimeoutMillis(gracefulShutdownTimeoutMillis);
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}
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@Override
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public HttpToHttp2ConnectionHandlerBuilder server(boolean isServer) {
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return super.server(isServer);
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}
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@Override
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public HttpToHttp2ConnectionHandlerBuilder connection(Http2Connection connection) {
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return super.connection(connection);
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}
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@Override
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public HttpToHttp2ConnectionHandlerBuilder codec(Http2ConnectionDecoder decoder,
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Http2ConnectionEncoder encoder) {
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return super.codec(decoder, encoder);
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}
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@Override
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public HttpToHttp2ConnectionHandlerBuilder frameLogger(Http2FrameLogger frameLogger) {
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return super.frameLogger(frameLogger);
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}
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@Override
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public HttpToHttp2ConnectionHandlerBuilder encoderEnforceMaxConcurrentStreams(
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boolean encoderEnforceMaxConcurrentStreams) {
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return super.encoderEnforceMaxConcurrentStreams(encoderEnforceMaxConcurrentStreams);
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}
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@Override
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public HttpToHttp2ConnectionHandlerBuilder headerSensitivityDetector(
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SensitivityDetector headerSensitivityDetector) {
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return super.headerSensitivityDetector(headerSensitivityDetector);
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}
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@Override
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@Deprecated
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public HttpToHttp2ConnectionHandlerBuilder initialHuffmanDecodeCapacity(int initialHuffmanDecodeCapacity) {
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return super.initialHuffmanDecodeCapacity(initialHuffmanDecodeCapacity);
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}
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@Override
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public HttpToHttp2ConnectionHandlerBuilder decoupleCloseAndGoAway(boolean decoupleCloseAndGoAway) {
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return super.decoupleCloseAndGoAway(decoupleCloseAndGoAway);
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}
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@Override
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public HttpToHttp2ConnectionHandler build() {
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return super.build();
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}
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@Override
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protected HttpToHttp2ConnectionHandler build(Http2ConnectionDecoder decoder, Http2ConnectionEncoder encoder,
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Http2Settings initialSettings) {
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return new HttpToHttp2ConnectionHandler(decoder, encoder, initialSettings, isValidateHeaders(),
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decoupleCloseAndGoAway());
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}
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}
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