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| author | Mathieu Chartier <mathieuc@google.com> | 2015-03-27 14:35:38 -0700 |
|---|---|---|
| committer | Mathieu Chartier <mathieuc@google.com> | 2015-04-10 12:57:27 -0700 |
| commit | c785344b87221f5e4e6473e5b762e4e61fe65dcf (patch) | |
| tree | cd32ad2c2604596a18926f04d4c313dab255ecfd /runtime/linear_alloc.cc | |
| parent | a29d93b380c9aeb8270e281aefbdd0c77a430d43 (diff) | |
| download | art-c785344b87221f5e4e6473e5b762e4e61fe65dcf.tar.gz art-c785344b87221f5e4e6473e5b762e4e61fe65dcf.tar.bz2 art-c785344b87221f5e4e6473e5b762e4e61fe65dcf.zip | |
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
Diffstat (limited to 'runtime/linear_alloc.cc')
| -rw-r--r-- | runtime/linear_alloc.cc | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/runtime/linear_alloc.cc b/runtime/linear_alloc.cc new file mode 100644 index 0000000000..fe6bee6d02 --- /dev/null +++ b/runtime/linear_alloc.cc @@ -0,0 +1,36 @@ +/* + * Copyright (C) 2015 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "linear_alloc.h" + +#include "thread-inl.h" + +namespace art { + +LinearAlloc::LinearAlloc(ArenaPool* pool) : lock_("linear alloc"), allocator_(pool) { +} + +void* LinearAlloc::Alloc(Thread* self, size_t size) { + MutexLock mu(self, lock_); + return allocator_.Alloc(size); +} + +size_t LinearAlloc::GetUsedMemory() const { + MutexLock mu(Thread::Current(), lock_); + return allocator_.BytesUsed(); +} + +} // namespace art |