force write in Gfortran

[Janne Blomqvist]

On Fri, Mar 24, 2006 at 11:44:45AM -0300, Paulo Ziemer wrote:
> Hi,
> 
> Is there any way to force Gfortran not buffer and write immediately  to 
> a file?  I have tried to use the environment GFORTRAN_UNBUFFRED_ALL but 
> it didn't work. 
> 
> Using ifort compiler the results are written much more faster than using 
> Gfortran. Anyone knows a good strategy to debug the file acess / write 
> process?  Sometime files are not created or only the first write command 
> is correctly written (in the case we have several write commands in 
> sequence).

You can try the FLUSH statement, which flushes the io buffers for the
unit in question (or all open units, if a unit number is not
specified IIRC).

If you want more specific help, I suggest you post a code snippet that
demonstrates your problem, along with the output of 'gfortran -v'.

-- 
Janne Blomqvist
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