Revision: 11740
Author: [email protected]
Date: Fri Jun 8 06:21:40 2012
Log: Adjust Android heap sizes.
This improves performance on heavy pages by increasing
max_executable_size_ and max_old_generation_size_.
There is now no need for an Android specific LUMP_OF_MEMORY.
Review URL: https://chromiumcodereview.appspot.com/10541053
Patch from Ben Murdoch <[email protected]>.
http://code.google.com/p/v8/source/detail?r=11740
Modified:
/branches/bleeding_edge/src/heap.cc
=======================================
--- /branches/bleeding_edge/src/heap.cc Wed May 23 07:24:29 2012
+++ /branches/bleeding_edge/src/heap.cc Fri Jun 8 06:21:40 2012
@@ -66,21 +66,26 @@
: isolate_(NULL),
// semispace_size_ should be a power of 2 and old_generation_size_ should
be
// a multiple of Page::kPageSize.
-#if defined(ANDROID)
-#define LUMP_OF_MEMORY (128 * KB)
- code_range_size_(0),
-#elif defined(V8_TARGET_ARCH_X64)
+#if defined(V8_TARGET_ARCH_X64)
#define LUMP_OF_MEMORY (2 * MB)
code_range_size_(512*MB),
#else
#define LUMP_OF_MEMORY MB
code_range_size_(0),
#endif
+#if defined(ANDROID)
+ reserved_semispace_size_(4 * Max(LUMP_OF_MEMORY, Page::kPageSize)),
+ max_semispace_size_(4 * Max(LUMP_OF_MEMORY, Page::kPageSize)),
+ initial_semispace_size_(Page::kPageSize),
+ max_old_generation_size_(192*MB),
+ max_executable_size_(max_old_generation_size_),
+#else
reserved_semispace_size_(8 * Max(LUMP_OF_MEMORY, Page::kPageSize)),
max_semispace_size_(8 * Max(LUMP_OF_MEMORY, Page::kPageSize)),
initial_semispace_size_(Page::kPageSize),
max_old_generation_size_(700ul * LUMP_OF_MEMORY),
max_executable_size_(256l * LUMP_OF_MEMORY),
+#endif
// Variables set based on semispace_size_ and old_generation_size_ in
// ConfigureHeap (survived_since_last_expansion_,
external_allocation_limit_)
--
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