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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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92 v8::Utils::OpenHandle(*source_handle)); | 92 v8::Utils::OpenHandle(*source_handle)); |
93 i::ScriptData* cached_data_impl = NULL; | 93 i::ScriptData* cached_data_impl = NULL; |
94 // First round of parsing (produce data to cache). | 94 // First round of parsing (produce data to cache). |
95 { | 95 { |
96 Zone zone(reinterpret_cast<i::Isolate*>(isolate)->allocator(), ZONE_NAME); | 96 Zone zone(reinterpret_cast<i::Isolate*>(isolate)->allocator(), ZONE_NAME); |
97 ParseInfo info(&zone, script); | 97 ParseInfo info(&zone, script); |
98 info.set_cached_data(&cached_data_impl); | 98 info.set_cached_data(&cached_data_impl); |
99 info.set_compile_options(v8::ScriptCompiler::kProduceParserCache); | 99 info.set_compile_options(v8::ScriptCompiler::kProduceParserCache); |
100 v8::base::ElapsedTimer timer; | 100 v8::base::ElapsedTimer timer; |
101 timer.Start(); | 101 timer.Start(); |
102 // Allow lazy parsing; otherwise we won't produce cached data. | |
103 info.set_allow_lazy_parsing(); | |
104 bool success = Parser::ParseStatic(&info); | 102 bool success = Parser::ParseStatic(&info); |
105 parse_time1 = timer.Elapsed(); | 103 parse_time1 = timer.Elapsed(); |
106 if (!success) { | 104 if (!success) { |
107 fprintf(stderr, "Parsing failed\n"); | 105 fprintf(stderr, "Parsing failed\n"); |
108 return std::make_pair(v8::base::TimeDelta(), v8::base::TimeDelta()); | 106 return std::make_pair(v8::base::TimeDelta(), v8::base::TimeDelta()); |
109 } | 107 } |
110 } | 108 } |
111 // Second round of parsing (consume cached data). | 109 // Second round of parsing (consume cached data). |
112 { | 110 { |
113 Zone zone(reinterpret_cast<i::Isolate*>(isolate)->allocator(), ZONE_NAME); | 111 Zone zone(reinterpret_cast<i::Isolate*>(isolate)->allocator(), ZONE_NAME); |
114 ParseInfo info(&zone, script); | 112 ParseInfo info(&zone, script); |
115 info.set_cached_data(&cached_data_impl); | 113 info.set_cached_data(&cached_data_impl); |
116 info.set_compile_options(v8::ScriptCompiler::kConsumeParserCache); | 114 info.set_compile_options(v8::ScriptCompiler::kConsumeParserCache); |
117 v8::base::ElapsedTimer timer; | 115 v8::base::ElapsedTimer timer; |
118 timer.Start(); | 116 timer.Start(); |
119 // Allow lazy parsing; otherwise cached data won't help. | |
120 info.set_allow_lazy_parsing(); | |
121 bool success = Parser::ParseStatic(&info); | 117 bool success = Parser::ParseStatic(&info); |
122 parse_time2 = timer.Elapsed(); | 118 parse_time2 = timer.Elapsed(); |
123 if (!success) { | 119 if (!success) { |
124 fprintf(stderr, "Parsing failed\n"); | 120 fprintf(stderr, "Parsing failed\n"); |
125 return std::make_pair(v8::base::TimeDelta(), v8::base::TimeDelta()); | 121 return std::make_pair(v8::base::TimeDelta(), v8::base::TimeDelta()); |
126 } | 122 } |
127 } | 123 } |
128 return std::make_pair(parse_time1, parse_time2); | 124 return std::make_pair(parse_time1, parse_time2); |
129 } | 125 } |
130 | 126 |
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184 printf("%s(SecondParseRunTime): %.f ms\n", benchmark.c_str(), | 180 printf("%s(SecondParseRunTime): %.f ms\n", benchmark.c_str(), |
185 second_parse_total); | 181 second_parse_total); |
186 } | 182 } |
187 } | 183 } |
188 v8::V8::Dispose(); | 184 v8::V8::Dispose(); |
189 v8::V8::ShutdownPlatform(); | 185 v8::V8::ShutdownPlatform(); |
190 delete platform; | 186 delete platform; |
191 delete create_params.array_buffer_allocator; | 187 delete create_params.array_buffer_allocator; |
192 return 0; | 188 return 0; |
193 } | 189 } |
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