From: Chet Ramey <chet.ramey@case.edu>
To: Norman Wilson <norman@oclsc.org>, tuhs@tuhs.org
Subject: Re: [TUHS] Memory management in Dennis Ritchie's C Compiler
Date: Mon, 17 Aug 2020 19:12:45 -0400 [thread overview]
Message-ID: <f8d171f9-4f33-2d52-939a-b7ea30ad3809@case.edu> (raw)
In-Reply-To: <20200817223229.5401A4422E@lignose.oclsc.org>
On 8/17/20 6:32 PM, Norman Wilson wrote:
> It's more than 15 years since I last looked at any
> of this stuff, but I vaguely remember that lcc has
> its own interesting (but ISO/POSIX-compatible)
> memory-allocation setup. It allows several nested
> contexts' worth of allocation, freeing an inner
> context when there's no longer any need for it.
> For example, once the compiler has finished with
> a function and has no further need for its local
> symbols, it frees the associated memory.
Arenas.
http://drhanson.s3.amazonaws.com/storage/documents/fastalloc.pdf
I'm pretty sure this is the literate programming variant Fraser and
Hanson used for the book:
https://www.cs.tufts.edu/~nr/pubs/lpsimp.pdf
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU chet@case.edu http://tiswww.cwru.edu/~chet/
next prev parent reply other threads:[~2020-08-17 23:19 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-17 22:32 Norman Wilson
2020-08-17 22:55 ` Bakul Shah
2020-08-17 23:12 ` Chet Ramey [this message]
2020-08-18 6:33 ` arnold
-- strict thread matches above, loose matches on Subject: below --
2020-08-27 8:37 Paul Ruizendaal
2020-08-26 15:59 Noel Chiappa
2020-08-26 16:09 ` Warner Losh
2020-08-26 19:13 ` Clem Cole
2020-08-26 16:14 ` Jim Geist
2020-08-26 17:31 ` John Cowan
2020-08-26 13:24 Doug McIlroy
2020-08-26 15:41 ` John Cowan
2020-08-25 9:36 Steve Simon
2020-08-17 19:51 Noel Chiappa
2020-08-17 19:27 Noel Chiappa
2020-08-17 19:30 ` Larry McVoy
2020-08-17 19:44 ` Dan Halbert
2020-08-17 19:50 ` Paul Winalski
2020-08-17 22:05 ` Arthur Krewat
2020-08-18 0:52 ` Rob Gingell
2020-08-17 2:02 Noel Chiappa
2020-08-17 18:02 ` Paul Winalski
2020-08-17 18:13 ` Jim Geist
2020-08-17 18:48 ` Paul Winalski
2020-08-17 19:08 ` Jim Geist
2020-08-17 19:28 ` Paul Winalski
2020-08-17 19:35 ` Jim Geist
2020-08-17 19:41 ` Richard Salz
2020-08-17 23:40 ` Steffen Nurpmeso
2020-08-15 21:50 Dibyendu Majumdar
2020-08-16 15:20 ` arnold
2020-08-16 15:27 ` Jim Geist
2020-08-17 16:13 ` Dan Cross
2020-08-17 20:16 ` Dibyendu Majumdar
2020-08-17 20:34 ` Paul Winalski
2020-08-17 20:43 ` Dibyendu Majumdar
2020-08-17 21:05 ` Warner Losh
2020-08-17 22:47 ` Dave Horsfall
2020-08-17 23:06 ` Nemo Nusquam
2020-08-17 21:29 ` Dibyendu Majumdar
2020-08-24 15:58 ` Dan Cross
2020-08-24 17:08 ` John Cowan
2020-08-24 17:15 ` Clem Cole
2020-08-24 17:24 ` Clem Cole
2020-08-24 17:20 ` Dan Cross
2020-08-25 23:06 ` Arthur Krewat
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