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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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| 977 Handle<Map> my_map = factory->CopyMap(object_map, 1); | 977 Handle<Map> my_map = factory->CopyMap(object_map, 1); |
| 978 int n_properties = my_map->inobject_properties(); | 978 int n_properties = my_map->inobject_properties(); |
| 979 CHECK_GT(n_properties, 0); | 979 CHECK_GT(n_properties, 0); |
| 980 | 980 |
| 981 int object_size = my_map->instance_size(); | 981 int object_size = my_map->instance_size(); |
| 982 | 982 |
| 983 // Step 2: allocate a lot of objects so to almost fill new space: we need | 983 // Step 2: allocate a lot of objects so to almost fill new space: we need |
| 984 // just enough room to allocate JSObject and thus fill the newspace. | 984 // just enough room to allocate JSObject and thus fill the newspace. |
| 985 | 985 |
| 986 int allocation_amount = Min(FixedArray::kMaxSize, | 986 int allocation_amount = Min(FixedArray::kMaxSize, |
| 987 HEAP->MaxObjectSizeInNewSpace()); | 987 Page::kMaxNonCodeHeapObjectSize); |
| 988 int allocation_len = LenFromSize(allocation_amount); | 988 int allocation_len = LenFromSize(allocation_amount); |
| 989 NewSpace* new_space = HEAP->new_space(); | 989 NewSpace* new_space = HEAP->new_space(); |
| 990 Address* top_addr = new_space->allocation_top_address(); | 990 Address* top_addr = new_space->allocation_top_address(); |
| 991 Address* limit_addr = new_space->allocation_limit_address(); | 991 Address* limit_addr = new_space->allocation_limit_address(); |
| 992 while ((*limit_addr - *top_addr) > allocation_amount) { | 992 while ((*limit_addr - *top_addr) > allocation_amount) { |
| 993 CHECK(!HEAP->always_allocate()); | 993 CHECK(!HEAP->always_allocate()); |
| 994 Object* array = HEAP->AllocateFixedArray(allocation_len)->ToObjectChecked(); | 994 Object* array = HEAP->AllocateFixedArray(allocation_len)->ToObjectChecked(); |
| 995 CHECK(!array->IsFailure()); | 995 CHECK(!array->IsFailure()); |
| 996 CHECK(new_space->Contains(array)); | 996 CHECK(new_space->Contains(array)); |
| 997 } | 997 } |
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| 3348 " var a = new Array(n);" | 3348 " var a = new Array(n);" |
| 3349 " for (var i = 0; i < n; i += 100) a[i] = i;" | 3349 " for (var i = 0; i < n; i += 100) a[i] = i;" |
| 3350 "};" | 3350 "};" |
| 3351 "f(10 * 1024 * 1024);"); | 3351 "f(10 * 1024 * 1024);"); |
| 3352 IncrementalMarking* marking = HEAP->incremental_marking(); | 3352 IncrementalMarking* marking = HEAP->incremental_marking(); |
| 3353 if (marking->IsStopped()) marking->Start(); | 3353 if (marking->IsStopped()) marking->Start(); |
| 3354 // This big step should be sufficient to mark the whole array. | 3354 // This big step should be sufficient to mark the whole array. |
| 3355 marking->Step(100 * MB, IncrementalMarking::NO_GC_VIA_STACK_GUARD); | 3355 marking->Step(100 * MB, IncrementalMarking::NO_GC_VIA_STACK_GUARD); |
| 3356 ASSERT(marking->IsComplete()); | 3356 ASSERT(marking->IsComplete()); |
| 3357 } | 3357 } |
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