Use homogeneous space compact by default if not low memory.
Otherwise we use semispace as the background collector.
Bug: 16401001
(cherry picked from commit a33a7fadadc7cb42c83b4aaed01f3a4c126d3075)
Change-Id: I6f753f72a05856f31a3e06427abce630231738a3
diff --git a/runtime/parsed_options.cc b/runtime/parsed_options.cc
index 6b4f764..2bd994d 100644
--- a/runtime/parsed_options.cc
+++ b/runtime/parsed_options.cc
@@ -80,7 +80,7 @@
gc::kCollectorTypeCMS),
#error "ART default GC type must be set"
#endif
- background_collector_type_(gc::kCollectorTypeHomogeneousSpaceCompact),
+ background_collector_type_(gc::kCollectorTypeNone),
// If background_collector_type_ is
// kCollectorTypeNone, it defaults to the
// collector_type_ after parsing options. If
@@ -696,6 +696,12 @@
return false;
}
}
+ // If not set, background collector type defaults to homogeneous compaction
+ // if not low memory mode, semispace otherwise.
+ if (background_collector_type_ == gc::kCollectorTypeNone) {
+ background_collector_type_ = low_memory_mode_ ?
+ gc::kCollectorTypeSS : gc::kCollectorTypeHomogeneousSpaceCompact;
+ }
// If a reference to the dalvik core.jar snuck in, replace it with
// the art specific version. This can happen with on device
