Large File Support (.gt. 16GB) under Linux? (fwd)

[H.-J. Werner]

All you say is correct. The limitation to 16 GB is due to 32 bit
integer addressing in Molpro. We plan to enable larger integral files
in the future, but at present 16 GB is the limit on 32 bit machines.
H.-J. Werner
> 
> 
> Hello !
> 
> We need Large File Support for Molpro on a LINUX-i586 PC.
> 
> We know already:
>  - Linux , ext2-filesystem can handle files larger than 16 GB
>    (tested with dd)
>  - Molpro on LINUX can handle files 2 - 16 GB
>    (CONFIG file was modified)
>  - Molpro can create files larger than 16 GB on 64bit machines
>    (tested on Alpha, Tru64)
>  - Molpro results in an error while creating a file larger than 16 Gb
>    (error message:
>    f_seek: illegal negative file offset on file file1, unit 11,
>             offset=-2147479552 )
> 
> The Question:
> 
>   What must be done do enable Molpro to manage files .gt. 16 GB ?
>  We would be glad if you could help us.
> 
> Bye
> Elmar Gerwalin   (group of Prof. W. Meyer)
> 
> ========================================================
> Elmar Gerwalin ,   University of Kaiserslautern,Germany
>                    Dept. of Theoretical Chemistry
>                    http://iris2.chemie.uni-kl.de
>                    elg at chemie.uni-kl.de    0631-205-2749
> ========================================================
> 
> 
> 
> 
> 


--
Prof. Hans-Joachim Werner
Institute for Theoretical Chemistry
University of Stuttgart
Pfaffenwaldring 55
D-70569 Stuttgart
Tel: (0049) 711 / 685 4400
Fax: (0049) 711 / 685 4442
email: werner at theochem.uni-stuttgart.de