Date: Thu, 22 Feb 1996 13:46:27 +0100 From: root <root@spase.nl> To: hackers@freebsd.org Message-ID: <199602221246.NAA11169@mercurius.spase.nl>
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>From freefall.freebsd.org!owner-freebsd-hackers Wed Feb 21 10:42:37 1996 remote from sun4nl Received: from ra.dkuug.dk by sun4nl.NL.net with SMTP id AA27972 (5.65b/CWI-3.3); Wed, 21 Feb 1996 10:42:37 +0100 Received: from freefall.freebsd.org (freefall.FreeBSD.ORG [192.216.222.4]) by ra.dkuug.dk (8.6.12/8.6.12) with ESMTP id JAA04874; Wed, 21 Feb 1996 09:44:47 +0100 Received: from localhost (daemon@localhost) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id VAA07433 Tue, 20 Feb 1996 21:30:03 -0800 (PST) Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id VAA07376 for hackers-outgoing; Tue, 20 Feb 1996 21:29:58 -0800 (PST) Received: from baygull.rtd.com (baygull.rtd.com [198.102.68.5]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id VAA07371 for <hackers@freebsd.org>; Tue, 20 Feb 1996 21:29:56 -0800 (PST) Received: (from news@localhost) by baygull.rtd.com (8.6.9/8.6.9.1) id WAA14823; Tue, 20 Feb 1996 22:29:43 -0700 To: hackers@freebsd.org Path: freefall.freebsd.org!owner-freebsd-hackers From: nao@sbl.cl.nec.co.jp (Naoki Hamada) Newsgroups: rtd.freebsd.hackers Subject: Re: mbuf enhancement patch Date: Wed, 21 Feb 1996 11:46:44 +0900 Lines: 12 Message-Id: <199602210246.LAA18404@sirius.sbl.cl.nec.co.jp> Nntp-Posting-Host: seagull.rtd.com Sender: owner-hackers@freebsd.org Precedence: bulk >>I found the ep driver always keeps some mbuf's in its pool. Is this >>because mbuf allocation is too expensive for boards which equip small >>receive buffer? If this is the case, some improvement (not mine :-) is >>desirable. > > I think that's what the author thought, but the FIFO on the 3c509 should be >sufficiently large enough to not need the extra 1% of speed that having the >private pool gets you. Our malloc implementation is quite efficient, actually. The old 3c509 has 2k bytes RX FIFO. Is this large enough? -nao
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