Re: [9fans] Sam arena allocators

[silas poulson <silas8642@hotmail.co.uk>]

> On 28 Jun 2021, at 23:29, Rob Pike <robpike@gmail.com> wrote:
> After Acme was written, I replaced most of the buffer management code in Sam
> with that from Acme, which was more efficient 

Right, that makes sense.

> It's possible the old code used an arena allocator, I don't remember,
> but it's possible you're referring to the code in samterm, which grew up
> on the Blit and likely had some compacting arena management code in
> it to keep the memory footprint small.

Possibly, I’m still exploring the code.

Re-reading Sam paper though, memory management section seems to imply
custom allocator, ran on both terminal and host to efficiently hold strings in memory 
via variable length arrays.

> As always, though, my memory may be faulty; it compacts too often.

Ha

Silas
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