Date: Thu, 25 Jul 1996 17:20:03 -0400 From: dennis@etinc.com (Dennis) To: "Lars Jonas Olsson" <jonas@mcs.com> Cc: hackers@freebsd.org Subject: Re: Read Bandwidth from PCI to Triton II? Message-ID: <199607252120.RAA14704@etinc.com>
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> 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. Please don't use the term "bandwidth"....the bandwidth of PCI is always the same (given a clock speed). The transfer rate is an entirely different issue..... Dennis ---------------------------------------------------------------------------- Emerging Technologies, Inc. http://www.etinc.com Synchronous Communications Cards and Routers For Discriminating Tastes. 56k to T1 and beyond. Frame Relay, PPP, HDLC, and X.25 for BSD/OS, FreeBSD and LINUX
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