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Issue 8519002: Start incremental marking on idle notification. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Addressed comments, tuned idle round starting conditions. Created 9 years, 1 month ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 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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159 159
160 // Used internally by the JIT and memory allocator for security 160 // Used internally by the JIT and memory allocator for security
161 // purposes. So, we keep a different state to prevent informations 161 // purposes. So, we keep a different state to prevent informations
162 // leaks that could be used in an exploit. 162 // leaks that could be used in an exploit.
163 uint32_t V8::RandomPrivate(Isolate* isolate) { 163 uint32_t V8::RandomPrivate(Isolate* isolate) {
164 ASSERT(isolate == Isolate::Current()); 164 ASSERT(isolate == Isolate::Current());
165 return random_base(isolate->private_random_seed()); 165 return random_base(isolate->private_random_seed());
166 } 166 }
167 167
168 168
169 bool V8::IdleNotification() { 169 bool V8::IdleNotification(int hint) {
170 // Returning true tells the caller that there is no need to call 170 // Returning true tells the caller that there is no need to call
171 // IdleNotification again. 171 // IdleNotification again.
172 if (!FLAG_use_idle_notification) return true; 172 if (!FLAG_use_idle_notification) return true;
173 173
174 // Tell the heap that it may want to adjust. 174 // Tell the heap that it may want to adjust.
175 return HEAP->IdleNotification(); 175 return HEAP->IdleNotification(hint);
176 } 176 }
177 177
178 178
179 // Use a union type to avoid type-aliasing optimizations in GCC. 179 // Use a union type to avoid type-aliasing optimizations in GCC.
180 typedef union { 180 typedef union {
181 double double_value; 181 double double_value;
182 uint64_t uint64_t_value; 182 uint64_t uint64_t_value;
183 } double_int_union; 183 } double_int_union;
184 184
185 185
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229 ElementsAccessor::InitializeOncePerProcess(); 229 ElementsAccessor::InitializeOncePerProcess();
230 230
231 if (FLAG_stress_compaction) { 231 if (FLAG_stress_compaction) {
232 FLAG_force_marking_deque_overflows = true; 232 FLAG_force_marking_deque_overflows = true;
233 FLAG_gc_global = true; 233 FLAG_gc_global = true;
234 FLAG_max_new_space_size = (1 << (kPageSizeBits - 10)) * 2; 234 FLAG_max_new_space_size = (1 << (kPageSizeBits - 10)) * 2;
235 } 235 }
236 } 236 }
237 237
238 } } // namespace v8::internal 238 } } // namespace v8::internal
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