commit 4460a84be92b5a94ecfb5c650aef4945ab849c93
author Hiroshi Yamauchi <yamauchi@google.com> Mon Mar 09 11:57:48 2015 -0700
committer Hiroshi Yamauchi <yamauchi@google.com> Wed Mar 11 15:32:59 2015 -0700
tree 2167b79cf593d5ff686aaf0e3bca3b7c571c6d69
parent 4cfe74cb50b73f5f4b6dd32aabed55d044afe348

Rosalloc thread local allocation path without a cas.

Speedup on N4:
MemAllocTest 3044 -> 2396 (~21% reduction)
BinaryTrees  4101 -> 2929 (~26% reduction)

Bug: 9986565
Change-Id: Ia1d1a37b9e001f903c3c056e8ec68fc8c623a78b

runtime/gc/collector/concurrent_copying.cc

diff --git a/runtime/gc/collector/concurrent_copying.cc b/runtime/gc/collector/concurrent_copying.cc
index dd45eca..db7a4ef 100644
--- a/runtime/gc/collector/concurrent_copying.cc
+++ b/runtime/gc/collector/concurrent_copying.cc
@@ -1259,8 +1259,9 @@
   size_t region_space_bytes_allocated = 0U;
   size_t non_moving_space_bytes_allocated = 0U;
   size_t bytes_allocated = 0U;
+  size_t dummy;
   mirror::Object* to_ref = region_space_->AllocNonvirtual<true>(
-      region_space_alloc_size, &region_space_bytes_allocated, nullptr);
+      region_space_alloc_size, &region_space_bytes_allocated, nullptr, &dummy);
   bytes_allocated = region_space_bytes_allocated;
   if (to_ref != nullptr) {
     DCHECK_EQ(region_space_alloc_size, region_space_bytes_allocated);
@@ -1286,7 +1287,7 @@
       }
       fall_back_to_non_moving = true;
       to_ref = heap_->non_moving_space_->Alloc(Thread::Current(), obj_size,
-                                               &non_moving_space_bytes_allocated, nullptr);
+                                               &non_moving_space_bytes_allocated, nullptr, &dummy);
       CHECK(to_ref != nullptr) << "Fall-back non-moving space allocation failed";
       bytes_allocated = non_moving_space_bytes_allocated;
       // Mark it in the mark bitmap.