From c785344b87221f5e4e6473e5b762e4e61fe65dcf Mon Sep 17 00:00:00 2001
From: Mathieu Chartier <mathieuc@google.com>
Date: Fri, 27 Mar 2015 14:35:38 -0700
Subject: Move ArtField to native

Add linear alloc. Moved ArtField to be native object. Changed image
writer to put ArtFields after the mirror section.

Savings:
2MB on low ram devices
4MB on normal devices

Total PSS measurements before (normal N5, 95s after shell start):
Image size: 7729152 bytes
23112 kB: .NonMoving
23212 kB: .NonMoving
22868 kB: .NonMoving
23072 kB: .NonMoving
22836 kB: .NonMoving
19618 kB: .Zygote
19850 kB: .Zygote
19623 kB: .Zygote
19924 kB: .Zygote
19612 kB: .Zygote
Avg: 42745.4 kB

After:
Image size: 7462912 bytes
17440 kB: .NonMoving
16776 kB: .NonMoving
16804 kB: .NonMoving
17812 kB: .NonMoving
16820 kB: .NonMoving
18788 kB: .Zygote
18856 kB: .Zygote
19064 kB: .Zygote
18841 kB: .Zygote
18629 kB: .Zygote
3499 kB: .LinearAlloc
3408 kB: .LinearAlloc
3424 kB: .LinearAlloc
3600 kB: .LinearAlloc
3436 kB: .LinearAlloc
Avg: 39439.4 kB

No reflection performance changes.

Bug: 19264997
Bug: 17643507

Change-Id: I10c73a37913332080aeb978c7c94713bdfe4fe1c
---
 runtime/mirror/array-inl.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'runtime/mirror/array-inl.h')

diff --git a/runtime/mirror/array-inl.h b/runtime/mirror/array-inl.h
index 6452f31ebc..8b3418d6be 100644
--- a/runtime/mirror/array-inl.h
+++ b/runtime/mirror/array-inl.h
@@ -203,7 +203,7 @@ inline void PrimitiveArray<T>::VisitRoots(RootVisitor* visitor) {
 template<typename T>
 inline PrimitiveArray<T>* PrimitiveArray<T>::Alloc(Thread* self, size_t length) {
   Array* raw_array = Array::Alloc<true>(self, GetArrayClass(), length,
-                                        ComponentSizeShiftWidth<sizeof(T)>(),
+                                        ComponentSizeShiftWidth(sizeof(T)),
                                         Runtime::Current()->GetHeap()->GetCurrentAllocator());
   return down_cast<PrimitiveArray<T>*>(raw_array);
 }
-- 
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