K 10 svn:author V 6 jasone K 8 svn:date V 27 2006-03-30T20:25:52.000000Z K 7 svn:log V 498 Optimize runtime performance, primary using the following techniques: * Avoid choosing an arena until it's certain that an arena is needed for allocation. * Convert division/multiplication to bitshifting where possible. * Avoid accessing TLS variables in single-threaded code. * Reduce the amount of pointer dereferencing. * Move lock acquisition in critical paths to only protect the the code that requires synchronization, and completely remove locking where possible. END