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Issue 1059853004: Reland "Remove support for thread-based recompilation" (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 8 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include <stdlib.h> 5 #include <stdlib.h>
6 6
7 #include <fstream> // NOLINT(readability/streams) 7 #include <fstream> // NOLINT(readability/streams)
8 #include <sstream> 8 #include <sstream>
9 9
10 #include "src/v8.h" 10 #include "src/v8.h"
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1729 random_number_generator_(NULL), 1729 random_number_generator_(NULL),
1730 store_buffer_hash_set_1_address_(NULL), 1730 store_buffer_hash_set_1_address_(NULL),
1731 store_buffer_hash_set_2_address_(NULL), 1731 store_buffer_hash_set_2_address_(NULL),
1732 serializer_enabled_(enable_serializer), 1732 serializer_enabled_(enable_serializer),
1733 has_fatal_error_(false), 1733 has_fatal_error_(false),
1734 initialized_from_snapshot_(false), 1734 initialized_from_snapshot_(false),
1735 cpu_profiler_(NULL), 1735 cpu_profiler_(NULL),
1736 heap_profiler_(NULL), 1736 heap_profiler_(NULL),
1737 function_entry_hook_(NULL), 1737 function_entry_hook_(NULL),
1738 deferred_handles_head_(NULL), 1738 deferred_handles_head_(NULL),
1739 optimizing_compiler_thread_(NULL), 1739 optimizing_compile_dispatcher_(NULL),
1740 stress_deopt_count_(0), 1740 stress_deopt_count_(0),
1741 next_optimization_id_(0), 1741 next_optimization_id_(0),
1742 #if TRACE_MAPS 1742 #if TRACE_MAPS
1743 next_unique_sfi_id_(0), 1743 next_unique_sfi_id_(0),
1744 #endif 1744 #endif
1745 use_counter_callback_(NULL), 1745 use_counter_callback_(NULL),
1746 basic_block_profiler_(NULL) { 1746 basic_block_profiler_(NULL) {
1747 { 1747 {
1748 base::LockGuard<base::Mutex> lock_guard(thread_data_table_mutex_.Pointer()); 1748 base::LockGuard<base::Mutex> lock_guard(thread_data_table_mutex_.Pointer());
1749 CHECK(thread_data_table_); 1749 CHECK(thread_data_table_);
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1826 1826
1827 1827
1828 void Isolate::Deinit() { 1828 void Isolate::Deinit() {
1829 TRACE_ISOLATE(deinit); 1829 TRACE_ISOLATE(deinit);
1830 1830
1831 debug()->Unload(); 1831 debug()->Unload();
1832 1832
1833 FreeThreadResources(); 1833 FreeThreadResources();
1834 1834
1835 if (concurrent_recompilation_enabled()) { 1835 if (concurrent_recompilation_enabled()) {
1836 optimizing_compiler_thread_->Stop(); 1836 optimizing_compile_dispatcher_->Stop();
1837 delete optimizing_compiler_thread_; 1837 delete optimizing_compile_dispatcher_;
1838 optimizing_compiler_thread_ = NULL; 1838 optimizing_compile_dispatcher_ = NULL;
1839 } 1839 }
1840 1840
1841 if (heap_.mark_compact_collector()->sweeping_in_progress()) { 1841 if (heap_.mark_compact_collector()->sweeping_in_progress()) {
1842 heap_.mark_compact_collector()->EnsureSweepingCompleted(); 1842 heap_.mark_compact_collector()->EnsureSweepingCompleted();
1843 } 1843 }
1844 1844
1845 DumpAndResetCompilationStats(); 1845 DumpAndResetCompilationStats();
1846 1846
1847 if (FLAG_print_deopt_stress) { 1847 if (FLAG_print_deopt_stress) {
1848 PrintF(stdout, "=== Stress deopt counter: %u\n", stress_deopt_count_); 1848 PrintF(stdout, "=== Stress deopt counter: %u\n", stress_deopt_count_);
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2126 // TODO(yangguo): move this to ResourceConstraints::ConfigureDefaults 2126 // TODO(yangguo): move this to ResourceConstraints::ConfigureDefaults
2127 // once ResourceConstraints becomes an argument to the Isolate constructor. 2127 // once ResourceConstraints becomes an argument to the Isolate constructor.
2128 if (max_available_threads_ < 1) { 2128 if (max_available_threads_ < 1) {
2129 // Choose the default between 1 and 4. 2129 // Choose the default between 1 and 4.
2130 max_available_threads_ = 2130 max_available_threads_ =
2131 Max(Min(base::SysInfo::NumberOfProcessors(), 4), 1); 2131 Max(Min(base::SysInfo::NumberOfProcessors(), 4), 1);
2132 } 2132 }
2133 2133
2134 if (FLAG_trace_hydrogen || FLAG_trace_hydrogen_stubs) { 2134 if (FLAG_trace_hydrogen || FLAG_trace_hydrogen_stubs) {
2135 PrintF("Concurrent recompilation has been disabled for tracing.\n"); 2135 PrintF("Concurrent recompilation has been disabled for tracing.\n");
2136 } else if (OptimizingCompilerThread::Enabled(max_available_threads_)) { 2136 } else if (OptimizingCompileDispatcher::Enabled(max_available_threads_)) {
2137 optimizing_compiler_thread_ = new OptimizingCompilerThread(this); 2137 optimizing_compile_dispatcher_ = new OptimizingCompileDispatcher(this);
2138 optimizing_compiler_thread_->Start();
2139 } 2138 }
2140 2139
2141 // Initialize runtime profiler before deserialization, because collections may 2140 // Initialize runtime profiler before deserialization, because collections may
2142 // occur, clearing/updating ICs. 2141 // occur, clearing/updating ICs.
2143 runtime_profiler_ = new RuntimeProfiler(this); 2142 runtime_profiler_ = new RuntimeProfiler(this);
2144 2143
2145 // If we are deserializing, read the state into the now-empty heap. 2144 // If we are deserializing, read the state into the now-empty heap.
2146 if (!create_heap_objects) { 2145 if (!create_heap_objects) {
2147 des->Deserialize(this); 2146 des->Deserialize(this);
2148 } 2147 }
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2659 if (prev_ && prev_->Intercept(flag)) return true; 2658 if (prev_ && prev_->Intercept(flag)) return true;
2660 // Then check whether this scope intercepts. 2659 // Then check whether this scope intercepts.
2661 if ((flag & intercept_mask_)) { 2660 if ((flag & intercept_mask_)) {
2662 intercepted_flags_ |= flag; 2661 intercepted_flags_ |= flag;
2663 return true; 2662 return true;
2664 } 2663 }
2665 return false; 2664 return false;
2666 } 2665 }
2667 2666
2668 } } // namespace v8::internal 2667 } } // namespace v8::internal
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