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/thread.cc b/runtime/thread.cc
index 7470670..e67a64f 100644
--- a/runtime/thread.cc
+++ b/runtime/thread.cc
@@ -1018,7 +1018,8 @@
tls32_.state_and_flags.as_struct.flags = 0;
tls32_.state_and_flags.as_struct.state = kNative;
memset(&tlsPtr_.held_mutexes[0], 0, sizeof(tlsPtr_.held_mutexes));
- std::fill(tlsPtr_.rosalloc_runs, tlsPtr_.rosalloc_runs + kRosAllocNumOfSizeBrackets,
+ std::fill(tlsPtr_.rosalloc_runs,
+ tlsPtr_.rosalloc_runs + gc::allocator::RosAlloc::kNumThreadLocalSizeBrackets,
gc::allocator::RosAlloc::GetDedicatedFullRun());
for (uint32_t i = 0; i < kMaxCheckpoints; ++i) {
tlsPtr_.checkpoint_functions[i] = nullptr;