--- IO-AIO/Changes 2009/04/21 20:06:05 1.181 +++ IO-AIO/Changes 2009/06/30 07:33:58 1.199 @@ -5,6 +5,56 @@ TODO: reduce condvar fairness: schedule hot-cache-threads first? TODO: splice/tee/vmsplice? (http://kerneltrap.org/node/6505 http://lwn.net/Articles/178199/) TODO: aio_fcntl, at least for file-locking +TODO: fallocate, if it wouldn't be so useless. + +3.26 Tue Jun 30 09:33:26 CEST 2009 + - os x of course claims posix 2008 but lacks posix_fadvise. try to work + around this horribly broken OS in a somewhat hackish way. might help + other os's too. + +3.25 Sat Jun 27 05:18:26 CEST 2009 + - added IO::AIO::fadvise and IO::AIO::sendfile. + - (libeio) replaced quicksort+insertion sort by a tuned radix + sort + insertion sort, resulting in comparable runtime (usually + faster) to the old version, but without any ill side effects on + degenerated (for quicksort) data. + - (libeio) correctly sort dirs by inodes if we have perfect type + knowledge and DIRS_FIRST is used. + - (libeio) internally the wrong DT_* constants were used, but no + known system has differing EIO_DT_*/DT_* values, so not an issue. + - removed a (harmless) assert that was left over on the code + but should not have been. + - use more correct types (change IO length from IV to VAL64, + which makes a difference on systems without 64 bit perls). + +3.23 Sat Jun 13 16:57:58 CEST 2009 + - fix off-by-one bug in aio_readdir that was introduced in the + rushed 3.22 release. + +3.22 Sat Jun 13 15:32:40 CEST 2009 + - speed up readdirx sort algorithm slightly. + - bin/treescan was missing from distro tarball. + +3.21 Fri Jun 12 18:45:53 CEST 2009 + - new options --dirs and --files for treescan. + - install bin/treescan by default. + - (libeio) aio_readdir can now be cancelled while executing. + - fix a printf format string for 64 bit systems (could lead + to problems on big endian 64 bit systems). + - do not use qsort() but our own algorithm: glibc initialises + the whole locale and I/O subsystem inside qsort, causing + a stack overflow on 32 bit machines. The new sort uses much less + stack and is more than twice as fast in typical situations. + +3.2 Sun Jun 7 20:30:05 CEST 2009 + - (libeio) pwrite emulation was even more flawed than intended and did + not restore the file offset. + - add aio_readdirx, which can return inode and filetype and sort + the names in various ways. + - unfortunately, utime, chmod, chown on an open file that has just + been written can easily block, which caused aio_copy to block the + process. no more! + - no longer rely on dst path in aio_copy when futime is available. 3.19 Tue Apr 21 22:05:21 CEST 2009 - more perl 5.10 workarounds for aio_read and write.