files io benchmarks

git-svn-id: http://svn.svnkit.com/repos/sqljet@1260 06c6b4df-3a75-4b2a-9d74-3e57e8079485
files io benchmarks

git-svn-id: http://svn.svnkit.com/repos/sqljet@1261 06c6b4df-3a75-4b2a-9d74-3e57e8079485