[HARMONY-5989] [DRLVM][gc]Concurrent GC phase redesign and scheduler improvement

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 5.0M7
• Fix Version/s: 5.0M7
• Component/s: DRLVM
• Environment: Windows and Linux platform
• Patch Info: Patch Available
• Assignee: Xiao-Feng Li
• Reporter: Simon.Zhou
• Created: 26/Sep/08 09:26
• Updated: 29/Oct/08 04:21

Description

Now, Tick is Concurrent GC implementation in Harmony, I improve it in 3 ways:
1, State-based synchronization of mutators and gc collectors.
2, improve the concurrent gc scheduler
3, fix some bugs, one is the bug for array copy, so the vmcore module should be updated also.

it has 18% performance speedup compared with original implementation.
later I will upload a more detail description for this issue.