Re: New Leo "Package" File Format?

[David Szent-Györgyi]

Now this is interesting!  I wasn't considering huge image files, most just 
"ordinary" ones like photos, screenshots, or graphs that would be common 
images to want to include with, for example, a markdown document.  I'll 
read up on your links.  Thanks!


A consideration that didn't occur to me initially: the archive file format 
might have a limit on file size. The archive file library might also have a 
limit on that. The original ZIP file format limited archive size to 4 GB; I 
read that the ZIP64 format extension 
 raises that limit 
to 16 exabytes(!), and that Windows Vista and its successors build support 
for ZIP64-sized archives into Windows Explorer/File Explorer, and that 
macOS Sierra's built-in Archive Utility does not support ZIP64. 

Limits imposed by the file system can also be a problem. NTFS has no 
issues, but FAT32 limits file size to 4GB 
; I 
reformat FAT32 thumb drives drives to exFAT format, which lifts that to 
2^64-1 bytes (!). 

I don't want to think about cross-platform issues handling metadata such as 
NTFS attributes. 

I find that Windows 7 Windows Explorer and Windows 10 File Explorer clutter 
the Windows file cache when I ask them to process Zip archives of many 
hundreds of files or multiple gigabyte Zip files; basic operations slow to 
a crawl as a result, leading me to reboot Windows to recover the 
performance lost. I don't see such performance losses when I use 7-Zip 
instead. 

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Re: OT? Beware of ChatGPT

[Thomas Passin]

Here is a report of trying to use ChatGPT to write programs (in R) by 
someone who who writes a lot of serious R programs -

Learning to Code with R using ChatGPT 


tl;dr - ChatGPT by and large did a pretty good job, but it's hard to 
predict when it's going to fail.

On Thursday, March 30, 2023 at 12:09:02 PM UTC-4 Thomas Passin wrote:

> Here's a really good book covering the basics of neural nets, fuzzy logic, 
> and the relationship between them.  It's rather old so it predates GPT and 
> modern systems with huge numbers of parameters, but it's really good (but 
> it has some math, because you can't escape that in this field).  It's not 
> about programming at all.
>
> Neural Networks and Fuzzy Systems: A Dynamical Systems Approach to Machine 
> Intelligence
> Bart Kosko
>
> I wish I knew where my own copy of it is.  I think it may be buried in a 
> box in a storage locker.
>
> On Thursday, March 30, 2023 at 11:37:34 AM UTC-4 Thomas Passin wrote:
>
> I'm a little ambivalent.  I'd certainly like to play around with the 
> stuff, and apparently the code in this post is set up to use actual GPT 
> trained coefficients.  But what I'm most interested just now is training 
> with other specialized data sets, except that the ones I want don't exist, 
> or I don't know how to get them.  Besides, training on the scale of these 
> GPTs takes huge machines and mucho bucks.  
>
> I'll think on it and let you know, if that's all right.
>
> On Thursday, March 30, 2023 at 6:58:44 AM UTC-4 Edward K. Ream wrote:
>
> On Wednesday, March 29, 2023 at 5:28:00 PM UTC-5 tbp1...@gmail.com wrote:
>
> GPT in 60 lines of Python - GPT in 60 lines 
> 
>
>
> This article looks exactly what I have been looking for.
>
> Would anyone like to join me in a study group based on this article?
>
> Edward
>
>

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