delorie.com/archives/browse.cgi   search  
Mail Archives: opendos/1998/09/29/14:33:25

To: opendos AT delorie DOT com
References: <1700173701D AT reze-1 DOT rz DOT rwth-aachen DOT de>
Message-Id: <ACR6z3saiQ@belous.munic.msk.su>
From: "Arkady V.Belousov" <ark AT belous DOT munic DOT msk DOT su>
Date: Mon, 28 Sep 1998 22:12:43 +0400 (MSD)
Organization: Locus
Reply-To: ark AT mos DOT ru
Subject: Re: Suggestions for DR-DOS
Lines: 22
MIME-Version: 1.0

X-Comment-To: Matthias Paul

Hi!

29-σΕΞ-98 15:58 PAUL-MA AT reze-1 DOT rz DOT rwth-aachen DOT de (Matthias Paul) wrote to opendos AT delorie DOT com:

MP> [FASTOPEN]
 >>Please mind that Caldera s implementation is using a very efficient
 >>hash table mechanism. A single reference takes only 2 bytes for
 >>DR-DOS. So settings like FASTOPEN=512 or FASTOPEN=1024 that would
 >>consum several Kilobytes of memory on MS-DOS/PC DOS systems just
 >>use up a few bytes on DR-DOS...
MP> In other words: Under DR-DOS a setting of FASTOPEN=512 consumes
MP> 0.5 Kb for up to 256 files,

     How???

> while for the same number of files
MP> MS-DOS' FASTOPEN=256 would use up 12 Kb (48 bytes per file).

     fastopen under MS-DOS caches only directories names. And why 48 byte,
when path can be up to 64 byte?


- Raw text -


  webmaster     delorie software   privacy  
  Copyright © 2019   by DJ Delorie     Updated Jul 2019