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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