On Tue, 2013-04-30 at 21:57 +0800, Daniel Hartwig wrote: > On 30 April 2013 21:49, Nala Ginrut <nalagin...@gmail.com> wrote: > > If I use bytevector instead, it means I have to read all the content > > from a file first. I don't think it's the same with mmap in POSIX. > > mmap is used for very large data I/O, if we decide to read them all, we > > lose the game. > > mmap does lazy disk I/O automatically for the file. > > > > With the pointer that mmap returns you can pointer->bytevector. This > will not read any of the file.
Ah~nice! That's the critical hint to reduce the work. Yes, after mmap, we don't need other things anymore. But I still recommend that store 'size' & 'flags', which need a new record-type and to write some helper functions, but very less code. What other guys think? And I'm amazing by the cool of Guile, again. ;-P Thanks!