X-VM-v5-Data: ([nil nil nil nil nil nil nil nil nil] ["1045" "Fri" "20" "June" "1997" "16:49:51" "+0100" "Philip Taylor (RHBNC)" "CHAA006@VMS.RHBNC.AC.UK" nil "26" "Re: discussing relation of LaTeX to TeX successors" "^Date:" nil nil "6" nil nil nil nil nil] nil) Received: from listserv.gmd.de (listserv.gmd.de [192.88.97.1]) by mail.Uni-Mainz.DE (8.8.5/8.8.4) with ESMTP id RAA02590; Fri, 20 Jun 1997 17:49:02 +0200 (MET DST) Received: from lsv1.listserv.gmd.de by listserv.gmd.de (LSMTP for OpenVMS v1.1a) with SMTP id <0.B28E39BD@listserv.gmd.de>; Fri, 20 Jun 1997 17:49:00 +0200 Received: from RELAY.URZ.UNI-HEIDELBERG.DE by RELAY.URZ.UNI-HEIDELBERG.DE (LISTSERV-TCP/IP release 1.8b) with spool id 156861 for LATEX-L@RELAY.URZ.UNI-HEIDELBERG.DE; Fri, 20 Jun 1997 17:48:53 +0200 Received: from vms.rhbnc.ac.uk (alpha1.rhbnc.ac.uk [134.219.201.113]) by relay.urz.uni-heidelberg.de (8.7.6/8.7.4) with SMTP id RAA14315 for ; Fri, 20 Jun 1997 17:48:51 +0200 (MET DST) Message-ID: <970620164951.11b0e@vms.rhbnc.ac.uk> Reply-To: Mailing list for the LaTeX3 project Date: Fri, 20 Jun 1997 16:49:51 +0100 From: "Philip Taylor (RHBNC)" Sender: Mailing list for the LaTeX3 project To: Multiple recipients of list LATEX-L Subject: Re: discussing relation of LaTeX to TeX successors Status: R X-Status: X-Keywords: X-UID: 2143 >> it depends how well it caches, actually. does the search speed up >> after one traversal? pass. I've never tested this aspect of directory cacheing. VMS certainly supports such concepts, but I do know that its cache is (for example) not as efficient as MS/DOS's which (if set sufficiently large) can hold an entire file-system (names, not contents!) in memory. But this is really an issue of scaling: an MS/DOS system is sufficiently small that cacheing all headers is feasible; a VMS system is typically several orders of magnitude larger, and I think it is unlikely that all headers would ever be cached simultaneously. It's too long since I was a VMS tuner for me to start meaningfully researching this now... >> um, have you _read_ your copy of the TDS? No. Have you read Volumes A, B, C, D, & E from cover to cover?! >> where there is a problem is if you search >> tex/.... >> instead of >> tex//... >> possibly. Hmmm; this should be made clear in the instructions for setting logical names/environment variables...