From owner-freebsd-hackers Thu Jul 25 11:03:01 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id LAA17162 for hackers-outgoing; Thu, 25 Jul 1996 11:03:01 -0700 (PDT) Received: from Kitten.mcs.com (Kitten.mcs.com [192.160.127.90]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id LAA17155 for ; Thu, 25 Jul 1996 11:02:59 -0700 (PDT) Received: from venus.mcs.com (root@Venus.mcs.com [192.160.127.92]) by Kitten.mcs.com (8.7.5/8.7.5) with SMTP id NAA03451; Thu, 25 Jul 1996 13:02:55 -0500 (CDT) Received: by venus.mcs.com (/\==/\ Smail3.1.28.1 #28.5) id ; Thu, 25 Jul 96 13:02 CDT Message-Id: Subject: Read Bandwidth from PCI to Triton II? To: hackers@freebsd.org Date: Thu, 25 Jul 1996 13:02:54 -0500 (CDT) From: "Lars Jonas Olsson" Cc: jonas@mcs.net X-Mailer: ELM [version 2.4 PL24] Content-Type: text Sender: owner-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk 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