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| 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 "v8.h" |
| 35 | + |
| 36 | +#include "api.h" |
| 37 | +#include "compiler.h" |
| 38 | +#include "scanner-character-streams.h" |
| 39 | +#include "shell-utils.h" |
| 40 | +#include "parser.h" |
| 41 | +#include "preparse-data-format.h" |
| 42 | +#include "preparse-data.h" |
| 43 | +#include "preparser.h" |
| 44 | + |
| 45 | +using namespace v8::internal; |
| 46 | + |
| 47 | +enum TestMode { |
| 48 | + PreParseAndParse, |
| 49 | + PreParse, |
| 50 | + Parse |
| 51 | +}; |
| 52 | + |
| 53 | +std::pair<TimeDelta, TimeDelta> RunBaselineParser( |
| 54 | + const char* fname, Encoding encoding, int repeat, v8::Isolate* isolate, |
| 55 | + v8::Handle<v8::Context> context, TestMode test_mode) { |
| 56 | + int length = 0; |
| 57 | + const byte* source = ReadFileAndRepeat(fname, &length, repeat); |
| 58 | + v8::Handle<v8::String> source_handle; |
| 59 | + switch (encoding) { |
| 60 | + case UTF8: { |
| 61 | + source_handle = v8::String::NewFromUtf8( |
| 62 | + isolate, reinterpret_cast<const char*>(source)); |
| 63 | + break; |
| 64 | + } |
| 65 | + case UTF16: { |
| 66 | + source_handle = v8::String::NewFromTwoByte( |
| 67 | + isolate, reinterpret_cast<const uint16_t*>(source), |
| 68 | + v8::String::kNormalString, length / 2); |
| 69 | + break; |
| 70 | + } |
| 71 | + case LATIN1: { |
| 72 | + source_handle = v8::String::NewFromOneByte(isolate, source); |
| 73 | + break; |
| 74 | + } |
| 75 | + } |
| 76 | + v8::ScriptData* cached_data = NULL; |
| 77 | + TimeDelta preparse_time, parse_time; |
| 78 | + if (test_mode == PreParseAndParse || test_mode == PreParse) { |
| 79 | + ElapsedTimer timer; |
| 80 | + timer.Start(); |
| 81 | + cached_data = v8::ScriptData::PreCompile(source_handle); |
| 82 | + preparse_time = timer.Elapsed(); |
| 83 | + if (cached_data == NULL || cached_data->HasError()) { |
| 84 | + fprintf(stderr, "Preparsing failed\n"); |
| 85 | + return std::make_pair(TimeDelta(), TimeDelta()); |
| 86 | + } |
| 87 | + } |
| 88 | + if (test_mode == PreParseAndParse || test_mode == Parse) { |
| 89 | + Handle<String> str = v8::Utils::OpenHandle(*source_handle); |
| 90 | + i::Isolate* internal_isolate = str->GetIsolate(); |
| 91 | + Handle<Script> script = internal_isolate->factory()->NewScript(str); |
| 92 | + CompilationInfoWithZone info(script); |
| 93 | + info.MarkAsGlobal(); |
| 94 | + i::ScriptDataImpl* cached_data_impl = |
| 95 | + static_cast<i::ScriptDataImpl*>(cached_data); |
| 96 | + if (test_mode == PreParseAndParse) { |
| 97 | + info.SetCachedData(&cached_data_impl, |
| 98 | + i::CONSUME_CACHED_DATA); |
| 99 | + } |
| 100 | + info.SetContext(v8::Utils::OpenHandle(*context)); |
| 101 | + ElapsedTimer timer; |
| 102 | + timer.Start(); |
| 103 | + // Allow lazy parsing; otherwise the preparse data won't help. |
| 104 | + bool success = Parser::Parse(&info, true); |
| 105 | + parse_time = timer.Elapsed(); |
| 106 | + if (!success) { |
| 107 | + fprintf(stderr, "Parsing failed\n"); |
| 108 | + return std::make_pair(TimeDelta(), TimeDelta()); |
| 109 | + } |
| 110 | + } |
| 111 | + return std::make_pair(preparse_time, parse_time); |
| 112 | +} |
| 113 | + |
| 114 | + |
| 115 | +int main(int argc, char* argv[]) { |
| 116 | + v8::V8::InitializeICU(); |
| 117 | + v8::V8::SetFlagsFromCommandLine(&argc, argv, true); |
| 118 | + Encoding encoding = LATIN1; |
| 119 | + TestMode test_mode = PreParseAndParse; |
| 120 | + std::vector<std::string> fnames; |
| 121 | + std::string benchmark; |
| 122 | + int repeat = 1; |
| 123 | + for (int i = 0; i < argc; ++i) { |
| 124 | + if (strcmp(argv[i], "--latin1") == 0) { |
| 125 | + encoding = LATIN1; |
| 126 | + } else if (strcmp(argv[i], "--utf8") == 0) { |
| 127 | + encoding = UTF8; |
| 128 | + } else if (strcmp(argv[i], "--utf16") == 0) { |
| 129 | + encoding = UTF16; |
| 130 | + } else if (strcmp(argv[i], "--preparse-and-parse") == 0) { |
| 131 | + test_mode = PreParseAndParse; |
| 132 | + } else if (strcmp(argv[i], "--preparse") == 0) { |
| 133 | + test_mode = PreParse; |
| 134 | + } else if (strcmp(argv[i], "--parse") == 0) { |
| 135 | + test_mode = Parse; |
| 136 | + } else if (strncmp(argv[i], "--benchmark=", 12) == 0) { |
| 137 | + benchmark = std::string(argv[i]).substr(12); |
| 138 | + } else if (strncmp(argv[i], "--repeat=", 9) == 0) { |
| 139 | + std::string repeat_str = std::string(argv[i]).substr(9); |
| 140 | + repeat = atoi(repeat_str.c_str()); |
| 141 | + } else if (i > 0 && argv[i][0] != '-') { |
| 142 | + fnames.push_back(std::string(argv[i])); |
| 143 | + } |
| 144 | + } |
| 145 | + v8::Isolate* isolate = v8::Isolate::GetCurrent(); |
| 146 | + { |
| 147 | + v8::HandleScope handle_scope(isolate); |
| 148 | + v8::Handle<v8::ObjectTemplate> global = v8::ObjectTemplate::New(isolate); |
| 149 | + v8::Local<v8::Context> context = v8::Context::New(isolate, NULL, global); |
| 150 | + ASSERT(!context.IsEmpty()); |
| 151 | + { |
| 152 | + v8::Context::Scope scope(context); |
| 153 | + double preparse_total = 0; |
| 154 | + double parse_total = 0; |
| 155 | + for (size_t i = 0; i < fnames.size(); i++) { |
| 156 | + std::pair<TimeDelta, TimeDelta> time = RunBaselineParser( |
| 157 | + fnames[i].c_str(), encoding, repeat, isolate, context, test_mode); |
| 158 | + preparse_total += time.first.InMillisecondsF(); |
| 159 | + parse_total += time.second.InMillisecondsF(); |
| 160 | + } |
| 161 | + if (benchmark.empty()) benchmark = "Baseline"; |
| 162 | + printf("%s(PreParseRunTime): %.f ms\n", benchmark.c_str(), |
| 163 | + preparse_total); |
| 164 | + printf("%s(ParseRunTime): %.f ms\n", benchmark.c_str(), parse_total); |
| 165 | + printf("%s(RunTime): %.f ms\n", benchmark.c_str(), |
| 166 | + preparse_total + parse_total); |
| 167 | + } |
| 168 | + } |
| 169 | + v8::V8::Dispose(); |
| 170 | + return 0; |
| 171 | +} |
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