From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (from weis@localhost) by pauillac.inria.fr (8.7.6/8.7.3) id WAA19147 for caml-red; Tue, 30 May 2000 22:35:31 +0200 (MET DST) Received: from nez-perce.inria.fr (nez-perce.inria.fr [192.93.2.78]) by pauillac.inria.fr (8.7.6/8.7.3) with ESMTP id UAA24329 for ; Tue, 30 May 2000 20:09:19 +0200 (MET DST) Received: from e4.ny.us.ibm.com (e4.ny.us.ibm.com [32.97.182.104]) by nez-perce.inria.fr (8.10.0/8.10.0) with ESMTP id e4UI9If28831 for ; Tue, 30 May 2000 20:09:18 +0200 (MET DST) Received: from northrelay03.pok.ibm.com (northrelay03.pok.ibm.com [9.117.200.23]) by e4.ny.us.ibm.com (8.9.3/8.9.3) with ESMTP id OAA374516 for ; Tue, 30 May 2000 14:07:31 -0400 Received: from BLDVMA.boulder.ibm.com (bldvma.boulder.ibm.com [9.99.64.30]) by northrelay03.pok.ibm.com (8.8.8m3/NCO v4.9) with SMTP id OAA172480 for ; Tue, 30 May 2000 14:09:15 -0400 Received: by BLDVMA.boulder.ibm.com (IBM VM SMTP Level 310) via spool with SMTP id 5257 ; Tue, 30 May 2000 12:09:54 MDT Reply-To: "Daniel Ortmann" Received: from neon.rchland.ibm.com by po1 (AIX 3.2/UCB 5.64/4.7) id for caml-list@inria.fr; Tue, 30 May 2000 13:04:50 -0500 Received: by neon.rchland.ibm.com (AIX4.3/UCB 8.8.8/4.7) id ; Tue, 30 May 2000 13:04:50 -0500 To: Damien Doligez Cc: caml-list@inria.fr Subject: Re: Alternative generic hash function References: <200005291500.RAA17848@tobago.inria.fr> From: Daniel Ortmann Date: 30 May 2000 13:04:48 -0500 In-Reply-To: Damien Doligez's message of "Mon, 29 May 2000 17:00:29 +0200" Message-Id: X-Mailer: Gnus v5.7/Emacs 20.5 Sender: weis Damien Doligez writes: > Some people are already complaining about the maximum size of arrays. And > it's true that 16 megabytes is quite small. Microprocessor and ASIC engineering frequently needs to handle sets of data larger than 20GB ... I've heard of some data requirements of 50GB. And that is RAM, not just virtual memory. Without the that much RAM the programs thrash to death. Perl hashes have been indispensable. -- Daniel Ortmann, IBM Circuit Technology, Rochester, MN 55901-7829 ortmann@vnet.ibm.com or ortmann@us.ibm.com and 507.253.6795 (external) ortmann@rchland.ibm.com and tieline 8.553.6795 (internal) ortmann@isl.net and 507.288.7732 (home) "The answers are so simple, and we all know where to look, but it's easier just to avoid the question." -- Kansas