c0a12bbbb5
Remove global program lock in order to fix too
long kernel launch overhead with multi-threads
on MGPUs.
This patch depends on a compiler patch that makes
LC thread safe.
Change-Id: Ic8a7374d19112764d6de5d483ec5d07a56661d1b
[ROCm/clr commit: 3b2a8f3c8b]