Revert "Revert "Added optimized CRC32 algorithm.""

This reverts commit 6f3a9dcda15928dc519ad20050f9a3b2f9bfcf4c.
Revert "Revert " Asynchronous I/O latency to a solid-state disk greatly increased""

This reverts commit 8df8e9e0ed07f63ae621450f3f6af661a0d61325.
Enable BLX