Commit 411570d34827fa477a58b29ace8b921497e38336

Con Kolivas 2011-07-30T16:36:19

Revert "Don't use asynchronous work with flushes as it decreases reliability and two threads per GPU achieves the same throughput." This reverts commit 7223508f7e5e77ca9b5ab7ffbc96817b3bbf2461. Bad idea. Need to work around sync lineup.