Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(257)

Unified Diff: src/heap/store-buffer.h

Issue 1577853007: [heap] Parallel newspace evacuation, semispace copy, and compaction \o/ (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Refactoring Created 4 years, 11 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
Index: src/heap/store-buffer.h
diff --git a/src/heap/store-buffer.h b/src/heap/store-buffer.h
index 9eeb00117b8509cd9082b2fdc9f61ee9692ad718..98a4a73ebdfbf3730d37d2af2c4e0e8760f32fc8 100644
--- a/src/heap/store-buffer.h
+++ b/src/heap/store-buffer.h
@@ -216,6 +216,40 @@ class DontMoveStoreBufferEntriesScope {
StoreBuffer* store_buffer_;
bool stored_state_;
};
+
+
+class LocalStoreBuffer BASE_EMBEDDED {
+ public:
+ LocalStoreBuffer() : top_(new Node(nullptr)) {}
+
+ ~LocalStoreBuffer() {
+ Node* current = top_;
+ while (current != nullptr) {
+ Node* tmp = current->next;
+ delete current;
+ current = tmp;
+ }
+ }
+
+ inline void Record(Address addr);
+ inline void Process(StoreBuffer* store_buffer);
+
+ private:
+ static const int kBufferSize = 16 * KB;
+
+ struct Node : Malloced {
+ explicit Node(Node* next_node) : next(next_node), count(0) {}
+
+ inline bool is_full() { return count == kBufferSize; }
+
+ Node* next;
+ Address buffer[kBufferSize];
+ int count;
+ };
+
+ Node* top_;
+};
+
} // namespace internal
} // namespace v8
« src/heap/mark-compact.cc ('K') | « src/heap/spaces.cc ('k') | src/heap/store-buffer-inl.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698