Hi Denis,
> I have compiled grads with netcdf 4.1.1 lately.
>
> When I read a file created from netcdf 4.0.0 it takes more than 5
> seconds to open.
> When I read the same file converted by ncks using netcdf 4.1.1, it
> opens almost instantaneously.
>
> Deflation and chunking are the same in both files. Same 'grads'
> software opening each file (compiled with 4.1.1).
> Is there something in netcdf.4.1.1 library that makes the file being
> read much quicker than when files are created with netcdf 4.0.0 library?
I don't think so. Could you make example files available so we can try
to understand what's going on?
--Russ