Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | #include <assert.h> |
| 29 | #include <string.h> |
| 30 | #include <stdio.h> |
| 31 | #include <stdlib.h> |
| 32 | #include <string> |
| 33 | #include <vector> |
| 34 | #include "src/v8.h" |
| 35 | |
| 36 | #include "include/libplatform/libplatform.h" |
| 37 | #include "src/api.h" |
| 38 | #include "src/compiler.h" |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 39 | #include "src/parsing/scanner-character-streams.h" |
| 40 | #include "src/parsing/parser.h" |
| 41 | #include "src/parsing/preparse-data-format.h" |
| 42 | #include "src/parsing/preparse-data.h" |
| 43 | #include "src/parsing/preparser.h" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 44 | #include "tools/shell-utils.h" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 45 | |
| 46 | using namespace v8::internal; |
| 47 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 48 | class ArrayBufferAllocator : public v8::ArrayBuffer::Allocator { |
| 49 | public: |
| 50 | virtual void* Allocate(size_t length) { |
| 51 | void* data = AllocateUninitialized(length); |
| 52 | return data == NULL ? data : memset(data, 0, length); |
| 53 | } |
| 54 | virtual void* AllocateUninitialized(size_t length) { return malloc(length); } |
| 55 | virtual void Free(void* data, size_t) { free(data); } |
| 56 | }; |
| 57 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 58 | class StringResource8 : public v8::String::ExternalOneByteStringResource { |
| 59 | public: |
| 60 | StringResource8(const char* data, int length) |
| 61 | : data_(data), length_(length) { } |
| 62 | virtual size_t length() const { return length_; } |
| 63 | virtual const char* data() const { return data_; } |
| 64 | |
| 65 | private: |
| 66 | const char* data_; |
| 67 | int length_; |
| 68 | }; |
| 69 | |
| 70 | std::pair<v8::base::TimeDelta, v8::base::TimeDelta> RunBaselineParser( |
| 71 | const char* fname, Encoding encoding, int repeat, v8::Isolate* isolate, |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 72 | v8::Local<v8::Context> context) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 73 | int length = 0; |
| 74 | const byte* source = ReadFileAndRepeat(fname, &length, repeat); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 75 | v8::Local<v8::String> source_handle; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 76 | switch (encoding) { |
| 77 | case UTF8: { |
| 78 | source_handle = v8::String::NewFromUtf8( |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 79 | isolate, reinterpret_cast<const char*>(source), |
| 80 | v8::NewStringType::kNormal).ToLocalChecked(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 81 | break; |
| 82 | } |
| 83 | case UTF16: { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 84 | source_handle = |
| 85 | v8::String::NewFromTwoByte( |
| 86 | isolate, reinterpret_cast<const uint16_t*>(source), |
| 87 | v8::NewStringType::kNormal, length / 2).ToLocalChecked(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 88 | break; |
| 89 | } |
| 90 | case LATIN1: { |
| 91 | StringResource8* string_resource = |
| 92 | new StringResource8(reinterpret_cast<const char*>(source), length); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 93 | source_handle = v8::String::NewExternalOneByte(isolate, string_resource) |
| 94 | .ToLocalChecked(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 95 | break; |
| 96 | } |
| 97 | } |
| 98 | v8::base::TimeDelta parse_time1, parse_time2; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 99 | Handle<Script> script = |
| 100 | reinterpret_cast<i::Isolate*>(isolate)->factory()->NewScript( |
| 101 | v8::Utils::OpenHandle(*source_handle)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 102 | i::ScriptData* cached_data_impl = NULL; |
| 103 | // First round of parsing (produce data to cache). |
| 104 | { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 105 | Zone zone(reinterpret_cast<i::Isolate*>(isolate)->allocator()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 106 | ParseInfo info(&zone, script); |
| 107 | info.set_global(); |
| 108 | info.set_cached_data(&cached_data_impl); |
| 109 | info.set_compile_options(v8::ScriptCompiler::kProduceParserCache); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 110 | v8::base::ElapsedTimer timer; |
| 111 | timer.Start(); |
| 112 | // Allow lazy parsing; otherwise we won't produce cached data. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 113 | info.set_allow_lazy_parsing(); |
| 114 | bool success = Parser::ParseStatic(&info); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 115 | parse_time1 = timer.Elapsed(); |
| 116 | if (!success) { |
| 117 | fprintf(stderr, "Parsing failed\n"); |
| 118 | return std::make_pair(v8::base::TimeDelta(), v8::base::TimeDelta()); |
| 119 | } |
| 120 | } |
| 121 | // Second round of parsing (consume cached data). |
| 122 | { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 123 | Zone zone(reinterpret_cast<i::Isolate*>(isolate)->allocator()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 124 | ParseInfo info(&zone, script); |
| 125 | info.set_global(); |
| 126 | info.set_cached_data(&cached_data_impl); |
| 127 | info.set_compile_options(v8::ScriptCompiler::kConsumeParserCache); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 128 | v8::base::ElapsedTimer timer; |
| 129 | timer.Start(); |
| 130 | // Allow lazy parsing; otherwise cached data won't help. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 131 | info.set_allow_lazy_parsing(); |
| 132 | bool success = Parser::ParseStatic(&info); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 133 | parse_time2 = timer.Elapsed(); |
| 134 | if (!success) { |
| 135 | fprintf(stderr, "Parsing failed\n"); |
| 136 | return std::make_pair(v8::base::TimeDelta(), v8::base::TimeDelta()); |
| 137 | } |
| 138 | } |
| 139 | return std::make_pair(parse_time1, parse_time2); |
| 140 | } |
| 141 | |
| 142 | |
| 143 | int main(int argc, char* argv[]) { |
| 144 | v8::V8::SetFlagsFromCommandLine(&argc, argv, true); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 145 | v8::V8::InitializeICUDefaultLocation(argv[0]); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 146 | v8::Platform* platform = v8::platform::CreateDefaultPlatform(); |
| 147 | v8::V8::InitializePlatform(platform); |
| 148 | v8::V8::Initialize(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 149 | v8::V8::InitializeExternalStartupData(argv[0]); |
| 150 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 151 | Encoding encoding = LATIN1; |
| 152 | std::vector<std::string> fnames; |
| 153 | std::string benchmark; |
| 154 | int repeat = 1; |
| 155 | for (int i = 0; i < argc; ++i) { |
| 156 | if (strcmp(argv[i], "--latin1") == 0) { |
| 157 | encoding = LATIN1; |
| 158 | } else if (strcmp(argv[i], "--utf8") == 0) { |
| 159 | encoding = UTF8; |
| 160 | } else if (strcmp(argv[i], "--utf16") == 0) { |
| 161 | encoding = UTF16; |
| 162 | } else if (strncmp(argv[i], "--benchmark=", 12) == 0) { |
| 163 | benchmark = std::string(argv[i]).substr(12); |
| 164 | } else if (strncmp(argv[i], "--repeat=", 9) == 0) { |
| 165 | std::string repeat_str = std::string(argv[i]).substr(9); |
| 166 | repeat = atoi(repeat_str.c_str()); |
| 167 | } else if (i > 0 && argv[i][0] != '-') { |
| 168 | fnames.push_back(std::string(argv[i])); |
| 169 | } |
| 170 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 171 | ArrayBufferAllocator array_buffer_allocator; |
| 172 | v8::Isolate::CreateParams create_params; |
| 173 | create_params.array_buffer_allocator = &array_buffer_allocator; |
| 174 | v8::Isolate* isolate = v8::Isolate::New(create_params); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 175 | { |
| 176 | v8::Isolate::Scope isolate_scope(isolate); |
| 177 | v8::HandleScope handle_scope(isolate); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 178 | v8::Local<v8::ObjectTemplate> global = v8::ObjectTemplate::New(isolate); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 179 | v8::Local<v8::Context> context = v8::Context::New(isolate, NULL, global); |
| 180 | DCHECK(!context.IsEmpty()); |
| 181 | { |
| 182 | v8::Context::Scope scope(context); |
| 183 | double first_parse_total = 0; |
| 184 | double second_parse_total = 0; |
| 185 | for (size_t i = 0; i < fnames.size(); i++) { |
| 186 | std::pair<v8::base::TimeDelta, v8::base::TimeDelta> time = |
| 187 | RunBaselineParser(fnames[i].c_str(), encoding, repeat, isolate, |
| 188 | context); |
| 189 | first_parse_total += time.first.InMillisecondsF(); |
| 190 | second_parse_total += time.second.InMillisecondsF(); |
| 191 | } |
| 192 | if (benchmark.empty()) benchmark = "Baseline"; |
| 193 | printf("%s(FirstParseRunTime): %.f ms\n", benchmark.c_str(), |
| 194 | first_parse_total); |
| 195 | printf("%s(SecondParseRunTime): %.f ms\n", benchmark.c_str(), |
| 196 | second_parse_total); |
| 197 | } |
| 198 | } |
| 199 | v8::V8::Dispose(); |
| 200 | v8::V8::ShutdownPlatform(); |
| 201 | delete platform; |
| 202 | return 0; |
| 203 | } |