// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <assert.h>
-#include <fcntl.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include "v8.h"
#include "api.h"
-#include "ast.h"
-#include "char-predicates-inl.h"
#include "messages.h"
#include "platform.h"
#include "runtime.h"
#include "scanner-character-streams.h"
#include "scopeinfo.h"
+#include "shell-utils.h"
#include "string-stream.h"
#include "scanner.h"
using namespace v8::internal;
-enum Encoding {
- LATIN1,
- UTF8,
- UTF16
-};
-
-
-const byte* ReadFile(const char* name, Isolate* isolate,
- int* size, int repeat) {
- FILE* file = fopen(name, "rb");
- *size = 0;
- if (file == NULL) return NULL;
-
- fseek(file, 0, SEEK_END);
- int file_size = ftell(file);
- rewind(file);
-
- *size = file_size * repeat;
-
- byte* chars = new byte[*size + 1];
- for (int i = 0; i < file_size;) {
- int read = static_cast<int>(fread(&chars[i], 1, file_size - i, file));
- i += read;
- }
- fclose(file);
-
- for (int i = file_size; i < *size; i++) {
- chars[i] = chars[i - file_size];
- }
- chars[*size] = 0;
-
- return chars;
-}
-
class BaselineScanner {
public:
int repeat)
: stream_(NULL) {
int length = 0;
- source_ = ReadFile(fname, isolate, &length, repeat);
+ source_ = ReadFileAndRepeat(fname, &length, repeat);
unicode_cache_ = new UnicodeCache();
scanner_ = new Scanner(unicode_cache_);
switch (encoding) {
--- /dev/null
+// Copyright 2014 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string>
+#include <vector>
+#include "v8.h"
+
+#include "api.h"
+#include "compiler.h"
+#include "scanner-character-streams.h"
+#include "shell-utils.h"
+#include "parser.h"
+#include "preparse-data-format.h"
+#include "preparse-data.h"
+#include "preparser.h"
+
+using namespace v8::internal;
+
+enum TestMode {
+ PreParseAndParse,
+ PreParse,
+ Parse
+};
+
+std::pair<TimeDelta, TimeDelta> RunBaselineParser(
+ const char* fname, Encoding encoding, int repeat, v8::Isolate* isolate,
+ v8::Handle<v8::Context> context, TestMode test_mode) {
+ int length = 0;
+ const byte* source = ReadFileAndRepeat(fname, &length, repeat);
+ v8::Handle<v8::String> source_handle;
+ switch (encoding) {
+ case UTF8: {
+ source_handle = v8::String::NewFromUtf8(
+ isolate, reinterpret_cast<const char*>(source));
+ break;
+ }
+ case UTF16: {
+ source_handle = v8::String::NewFromTwoByte(
+ isolate, reinterpret_cast<const uint16_t*>(source),
+ v8::String::kNormalString, length / 2);
+ break;
+ }
+ case LATIN1: {
+ source_handle = v8::String::NewFromOneByte(isolate, source);
+ break;
+ }
+ }
+ v8::ScriptData* cached_data = NULL;
+ TimeDelta preparse_time, parse_time;
+ if (test_mode == PreParseAndParse || test_mode == PreParse) {
+ ElapsedTimer timer;
+ timer.Start();
+ cached_data = v8::ScriptData::PreCompile(source_handle);
+ preparse_time = timer.Elapsed();
+ if (cached_data == NULL || cached_data->HasError()) {
+ fprintf(stderr, "Preparsing failed\n");
+ return std::make_pair(TimeDelta(), TimeDelta());
+ }
+ }
+ if (test_mode == PreParseAndParse || test_mode == Parse) {
+ Handle<String> str = v8::Utils::OpenHandle(*source_handle);
+ i::Isolate* internal_isolate = str->GetIsolate();
+ Handle<Script> script = internal_isolate->factory()->NewScript(str);
+ CompilationInfoWithZone info(script);
+ info.MarkAsGlobal();
+ i::ScriptDataImpl* cached_data_impl =
+ static_cast<i::ScriptDataImpl*>(cached_data);
+ if (test_mode == PreParseAndParse) {
+ info.SetCachedData(&cached_data_impl,
+ i::CONSUME_CACHED_DATA);
+ }
+ info.SetContext(v8::Utils::OpenHandle(*context));
+ ElapsedTimer timer;
+ timer.Start();
+ // Allow lazy parsing; otherwise the preparse data won't help.
+ bool success = Parser::Parse(&info, true);
+ parse_time = timer.Elapsed();
+ if (!success) {
+ fprintf(stderr, "Parsing failed\n");
+ return std::make_pair(TimeDelta(), TimeDelta());
+ }
+ }
+ return std::make_pair(preparse_time, parse_time);
+}
+
+
+int main(int argc, char* argv[]) {
+ v8::V8::InitializeICU();
+ v8::V8::SetFlagsFromCommandLine(&argc, argv, true);
+ Encoding encoding = LATIN1;
+ TestMode test_mode = PreParseAndParse;
+ std::vector<std::string> fnames;
+ std::string benchmark;
+ int repeat = 1;
+ for (int i = 0; i < argc; ++i) {
+ if (strcmp(argv[i], "--latin1") == 0) {
+ encoding = LATIN1;
+ } else if (strcmp(argv[i], "--utf8") == 0) {
+ encoding = UTF8;
+ } else if (strcmp(argv[i], "--utf16") == 0) {
+ encoding = UTF16;
+ } else if (strcmp(argv[i], "--preparse-and-parse") == 0) {
+ test_mode = PreParseAndParse;
+ } else if (strcmp(argv[i], "--preparse") == 0) {
+ test_mode = PreParse;
+ } else if (strcmp(argv[i], "--parse") == 0) {
+ test_mode = Parse;
+ } else if (strncmp(argv[i], "--benchmark=", 12) == 0) {
+ benchmark = std::string(argv[i]).substr(12);
+ } else if (strncmp(argv[i], "--repeat=", 9) == 0) {
+ std::string repeat_str = std::string(argv[i]).substr(9);
+ repeat = atoi(repeat_str.c_str());
+ } else if (i > 0 && argv[i][0] != '-') {
+ fnames.push_back(std::string(argv[i]));
+ }
+ }
+ v8::Isolate* isolate = v8::Isolate::GetCurrent();
+ {
+ v8::HandleScope handle_scope(isolate);
+ v8::Handle<v8::ObjectTemplate> global = v8::ObjectTemplate::New(isolate);
+ v8::Local<v8::Context> context = v8::Context::New(isolate, NULL, global);
+ ASSERT(!context.IsEmpty());
+ {
+ v8::Context::Scope scope(context);
+ double preparse_total = 0;
+ double parse_total = 0;
+ for (size_t i = 0; i < fnames.size(); i++) {
+ std::pair<TimeDelta, TimeDelta> time = RunBaselineParser(
+ fnames[i].c_str(), encoding, repeat, isolate, context, test_mode);
+ preparse_total += time.first.InMillisecondsF();
+ parse_total += time.second.InMillisecondsF();
+ }
+ if (benchmark.empty()) benchmark = "Baseline";
+ printf("%s(PreParseRunTime): %.f ms\n", benchmark.c_str(),
+ preparse_total);
+ printf("%s(ParseRunTime): %.f ms\n", benchmark.c_str(), parse_total);
+ printf("%s(RunTime): %.f ms\n", benchmark.c_str(),
+ preparse_total + parse_total);
+ }
+ }
+ v8::V8::Dispose();
+ return 0;
+}
--- /dev/null
+// Copyright 2014 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Utility functions used by parser-shell and lexer-shell.
+
+#include <stdio.h>
+
+namespace v8 {
+namespace internal {
+
+enum Encoding {
+ LATIN1,
+ UTF8,
+ UTF16
+};
+
+const byte* ReadFileAndRepeat(const char* name, int* size, int repeat) {
+ FILE* file = fopen(name, "rb");
+ *size = 0;
+ if (file == NULL) return NULL;
+
+ fseek(file, 0, SEEK_END);
+ int file_size = ftell(file);
+ rewind(file);
+
+ *size = file_size * repeat;
+
+ byte* chars = new byte[*size + 1];
+ for (int i = 0; i < file_size;) {
+ int read = static_cast<int>(fread(&chars[i], 1, file_size - i, file));
+ i += read;
+ }
+ fclose(file);
+
+ for (int i = file_size; i < *size; i++) {
+ chars[i] = chars[i - file_size];
+ }
+ chars[*size] = 0;
+
+ return chars;
+}
+
+} } // namespace v8::internal