Add thread unsafe allocation methods to spaces.
Used by SS/GSS collectors since these run with mutators suspended and
only allocate from a single thread. Added AllocThreadUnsafe to
BumpPointerSpace and RosAllocSpace. Added AllocThreadUnsafe which uses
current runs as thread local runs for a thread unsafe allocation.
Added code to revoke current runs which are the same idx as thread
local runs.
Changed:
The number of thread local runs in each thread is now the the number
of thread local runs in RosAlloc instead of the number of size
brackets.
Total GC time / time on EvaluateAndApplyChanges.
TLAB SS:
Before: 36.7s / 7254
After: 16.1s / 4837
TLAB GSS:
Before: 6.9s / 3973
After: 5.7s / 3778
Bug: 8981901
Change-Id: Id1d264ade3799f431bf7ebbdcca6146aefbeb632
diff --git a/runtime/gc/space/rosalloc_space.cc b/runtime/gc/space/rosalloc_space.cc
index f5c0e94..a1511e7 100644
--- a/runtime/gc/space/rosalloc_space.cc
+++ b/runtime/gc/space/rosalloc_space.cc
@@ -159,7 +159,7 @@
}
// Note RosAlloc zeroes memory internally.
// Return the new allocation or NULL.
- CHECK(!kDebugSpaces || result == NULL || Contains(result));
+ CHECK(!kDebugSpaces || result == nullptr || Contains(result));
return result;
}