Christos TZOTZIOY Georgiou <[EMAIL PROTECTED]> wrote: > On 09 Feb 2005 10:31:22 GMT, rumours say that Nick Craig-Wood > <[EMAIL PROTECTED]> might have written: > > >But you won't be able to md5sum a file bigger than about 4 Gb if using > >a 32bit processor (like x86) will you? (I don't know how the kernel / > >user space VM split works on windows but on linux 3Gb is the maximum > >possible size you can mmap.) > > Indeed... but the context was calculating efficiently checksums for large > files > to be /served/ by a webserver. I deduce it's almost certain that the files > won't be larger than 3GiB, but ICBW :)
You are certainly right ;-) However I did want to make the point that while mmap is extremely attractive for certain things, it does limit you to files < 4 Gb which is something that people don't always realise. -- Nick Craig-Wood <[EMAIL PROTECTED]> -- http://www.craig-wood.com/nick -- http://mail.python.org/mailman/listinfo/python-list
