| /* |
| * Copyright 2014 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| // Author: sligocki@google.com (Shawn Ligocki) |
| // |
| // |
| // CPU: Intel Nehalem with HyperThreading (4 cores) dL1:32KB dL2:256KB |
| // Benchmark Time(ns) CPU(ns) Iterations |
| // ------------------------------------------------------------ |
| // BM_MinifyJavascriptNew/64 3862 3870 178281 |
| // BM_MinifyJavascriptNew/512 29962 30058 24922 |
| // BM_MinifyJavascriptNew/4k 163436 163944 4218 |
| // BM_MinifyJavascriptNew/32k 1370666 1374490 494 |
| // BM_MinifyJavascriptNew/256k 11499929 11532620 100 |
| // BM_MinifyJavascriptOld/64 1182 1185 571793 |
| // BM_MinifyJavascriptOld/512 10234 10270 65585 |
| // BM_MinifyJavascriptOld/4k 65045 65232 10000 |
| // BM_MinifyJavascriptOld/32k 666505 669240 1000 |
| // BM_MinifyJavascriptOld/256k 4989183 5005530 100 |
| |
| #include "net/instaweb/rewriter/public/javascript_code_block.h" |
| #include "net/instaweb/rewriter/public/javascript_library_identification.h" |
| #include "pagespeed/kernel/base/benchmark.h" |
| #include "pagespeed/kernel/base/null_message_handler.h" |
| #include "pagespeed/kernel/base/null_statistics.h" |
| #include "pagespeed/kernel/base/string.h" |
| #include "pagespeed/kernel/js/js_tokenizer.h" |
| |
| namespace net_instaweb { |
| |
| extern const char* JS_console_js; |
| |
| namespace { |
| |
| void TestMinifyJavascript(bool use_experimental_minifier, int iters, int size) { |
| GoogleString in_text; |
| for (int i = 0; i < size; i += strlen(JS_console_js)) { |
| in_text += JS_console_js; |
| } |
| in_text.resize(size); |
| |
| NullStatistics stats; |
| JavascriptRewriteConfig::InitStats(&stats); |
| pagespeed::js::JsTokenizerPatterns js_tokenizer_patterns; |
| JavascriptLibraryIdentification js_lib_id; |
| JavascriptRewriteConfig config(&stats, true /* minify */, |
| use_experimental_minifier, |
| &js_lib_id, &js_tokenizer_patterns); |
| |
| NullMessageHandler handler; |
| for (int i = 0; i < iters; ++i) { |
| JavascriptCodeBlock block(in_text, &config, "" /* message_id */, &handler); |
| block.Rewrite(); |
| } |
| } |
| |
| static void BM_MinifyJavascriptNew(int iters, int size) { |
| TestMinifyJavascript(true, iters, size); |
| } |
| BENCHMARK_RANGE(BM_MinifyJavascriptNew, 1<<6, 1<<18); |
| |
| static void BM_MinifyJavascriptOld(int iters, int size) { |
| TestMinifyJavascript(false, iters, size); |
| } |
| BENCHMARK_RANGE(BM_MinifyJavascriptOld, 1<<6, 1<<18); |
| |
| } // namespace |
| |
| } // namespace net_instaweb |
