From owner-freebsd-hackers Thu Jul 25 14:55:59 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id OAA03903 for hackers-outgoing; Thu, 25 Jul 1996 14:55:59 -0700 (PDT) Received: from rah.star-gate.com (rah.star-gate.com [204.188.121.18]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id OAA03895 for ; Thu, 25 Jul 1996 14:55:53 -0700 (PDT) Received: from rah.star-gate.com (localhost.cdrom.com [127.0.0.1]) by rah.star-gate.com (8.7.5/8.7.3) with ESMTP id OAA03085; Thu, 25 Jul 1996 14:55:10 -0700 (PDT) Message-Id: <199607252155.OAA03085@rah.star-gate.com> X-Mailer: exmh version 1.6.5 12/11/95 To: "Lars Jonas Olsson" cc: hackers@freebsd.org, jonas@mcs.net Subject: Re: Read Bandwidth from PCI to Triton II? In-reply-to: Your message of "Thu, 25 Jul 1996 13:02:54 CDT." Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Thu, 25 Jul 1996 14:55:09 -0700 From: Amancio Hasty Sender: owner-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk What can the BitFlow flow do ? How much does it cost ? Which chipset does it use? Details , details 8) Tnks, Amancio >From The Desk Of "Lars Jonas Olsson" : > I have a BitFlow Raptor PCI frame grabber (using /dev/io and /dev/mem > and a library from bitFlow). With a Neptune based MB I could get > 20MB/s read bandwidth, using Triton II I only get 14 MB/s. > > Has anyone managed to get higher bandwidth from any PCI board > with a Triton or Triton II based computer? > > What is the best memcpy for this application? I copy 1MB at a time. > > Jonas > >