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Issue 1632913003: [heap] Move to page lookups for SemiSpace, NewSpace, and Heap containment methods (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: DCHECK in serializer Created 4 years, 10 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 // 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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5599 5599
5600 TEST(Regress507979) { 5600 TEST(Regress507979) {
5601 const int kFixedArrayLen = 10; 5601 const int kFixedArrayLen = 10;
5602 CcTest::InitializeVM(); 5602 CcTest::InitializeVM();
5603 Isolate* isolate = CcTest::i_isolate(); 5603 Isolate* isolate = CcTest::i_isolate();
5604 Heap* heap = isolate->heap(); 5604 Heap* heap = isolate->heap();
5605 HandleScope handle_scope(isolate); 5605 HandleScope handle_scope(isolate);
5606 5606
5607 Handle<FixedArray> o1 = isolate->factory()->NewFixedArray(kFixedArrayLen); 5607 Handle<FixedArray> o1 = isolate->factory()->NewFixedArray(kFixedArrayLen);
5608 Handle<FixedArray> o2 = isolate->factory()->NewFixedArray(kFixedArrayLen); 5608 Handle<FixedArray> o2 = isolate->factory()->NewFixedArray(kFixedArrayLen);
5609 CHECK(heap->InNewSpace(o1->address())); 5609 CHECK(heap->InNewSpace(*o1));
5610 CHECK(heap->InNewSpace(o2->address())); 5610 CHECK(heap->InNewSpace(*o2));
5611 5611
5612 HeapIterator it(heap, i::HeapIterator::kFilterUnreachable); 5612 HeapIterator it(heap, i::HeapIterator::kFilterUnreachable);
5613 5613
5614 // Replace parts of an object placed before a live object with a filler. This 5614 // Replace parts of an object placed before a live object with a filler. This
5615 // way the filler object shares the mark bits with the following live object. 5615 // way the filler object shares the mark bits with the following live object.
5616 o1->Shrink(kFixedArrayLen - 1); 5616 o1->Shrink(kFixedArrayLen - 1);
5617 5617
5618 for (HeapObject* obj = it.next(); obj != NULL; obj = it.next()) { 5618 for (HeapObject* obj = it.next(); obj != NULL; obj = it.next()) {
5619 // Let's not optimize the loop away. 5619 // Let's not optimize the loop away.
5620 CHECK(obj->address() != nullptr); 5620 CHECK(obj->address() != nullptr);
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6490 isolate->IncrementJsCallsFromApiCounter(); 6490 isolate->IncrementJsCallsFromApiCounter();
6491 isolate->IncrementJsCallsFromApiCounter(); 6491 isolate->IncrementJsCallsFromApiCounter();
6492 isolate->IncrementJsCallsFromApiCounter(); 6492 isolate->IncrementJsCallsFromApiCounter();
6493 calls_per_ms = memory_reducer->SampleAndGetJsCallsPerMs(4); 6493 calls_per_ms = memory_reducer->SampleAndGetJsCallsPerMs(4);
6494 CheckDoubleEquals(2, calls_per_ms); 6494 CheckDoubleEquals(2, calls_per_ms);
6495 } 6495 }
6496 6496
6497 6497
6498 } // namespace internal 6498 } // namespace internal
6499 } // namespace v8 6499 } // namespace v8
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