1!:1 <'mybigfile.csv'
returns a limit error on J901 but completes successfully on j64_807.

On Tue, Dec 17, 2019 at 9:56 PM bill lam <[email protected]> wrote:

> does 1!:1 work?
>
> On Tue, Dec 17, 2019, 1:09 PM Ric Sherlock <[email protected]> wrote:
>
> > I have run into a difference between J901 and J807 that I hadn't come
> > across before when dealing with large (~7GB) files.
> >
> > In both versions I can see the file
> >    fexist 'mybigfile.csv'
> > 1
> >    fsize 'mybigfile.csv'
> > 7516003225
> >
> > I can also read the beginning the file in both versions
> >    $freads 'mybigfile.csv';0 2000
> > 2001
> >
> > However if I try to read the whole file, J807 works, where J901 returns
> > immediately with 256{a.
> >    $freads 'mybigfile.csv'  NB. J807
> > 7516003225
> >    $freads 'mybigfile.csv'  NB. J901
> >
> > This feels like a 64 bit issue or similar but I wouldn't have thought
> that
> > should be an issue? Any ideas?
> >
> >    JVERSION
> > Engine: j901/j64avx2/linux
> > Release-a: commercial/2019-12-12T12:44:48
> > Library: 9.01.18
> > Platform: Linux 64
> > Installer: J901 install
> > InstallPath: /opt/j/j901
> > Contact: www.jsoftware.com
> >
> >    JVERSION
> > Engine: j807/j64/linux
> > Release-d: commercial/2019-03-18T12:11:49
> > Library: 8.07.26
> > Platform: Linux 64
> > Installer: J807 install
> > InstallPath: /opt/j/j64_807
> > Contact: www.jsoftware.com
> > ----------------------------------------------------------------------
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> >
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>
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