Re: [ANNOUNCE] Dolphin PCI-SCI RPM Drivers 1.1-4 released

2001-01-30 Thread Matti Aarnio
On Tue, Jan 30, 2001 at 07:22:48PM +0200, Pekka Pietikainen wrote: > On Tue, Jan 30, 2001 at 10:19:58AM -0700, Jeff V. Merkey wrote: > > On Mon, Jan 29, 2001 at 09:41:21PM -0700, Todd wrote: > > > > Sparc servers. The adapters these drivers I posted support are a bi-CMOS > > implementation of t

Re: [ANNOUNCE] Dolphin PCI-SCI RPM Drivers 1.1-4 released

2001-01-30 Thread Jeff V. Merkey
On Tue, Jan 30, 2001 at 07:22:48PM +0200, Pekka Pietikainen wrote: > On Tue, Jan 30, 2001 at 10:19:58AM -0700, Jeff V. Merkey wrote: > > On Mon, Jan 29, 2001 at 09:41:21PM -0700, Todd wrote: > > > > Sparc servers. The adapters these drivers I posted support are a bi-CMOS > > implementation of t

Re: [ANNOUNCE] Dolphin PCI-SCI RPM Drivers 1.1-4 released

2001-01-30 Thread Pekka Pietikainen
On Tue, Jan 30, 2001 at 10:19:58AM -0700, Jeff V. Merkey wrote: > On Mon, Jan 29, 2001 at 09:41:21PM -0700, Todd wrote: > > Sparc servers. The adapters these drivers I posted support are a bi-CMOS > implementation of the SCI LC3 chipsets, and even though they are > bi-CMOS, the Link speed on t

Re: [ANNOUNCE] Dolphin PCI-SCI RPM Drivers 1.1-4 released

2001-01-30 Thread Jeff V. Merkey
On Tue, Jan 30, 2001 at 10:07:07AM -0700, Todd wrote: > folx, > > On Tue, 30 Jan 2001, Jeff V. Merkey wrote: > > What numbers does G-Enet provide > > doing userspace -> userspace transfers, and at what processor > > overhead? > > using stock 2.4 kernel and alteon acenic cards with stock firmware

Re: [ANNOUNCE] Dolphin PCI-SCI RPM Drivers 1.1-4 released

2001-01-30 Thread Todd
jeff, On Tue, 30 Jan 2001, Jeff V. Merkey wrote: > On 32 bit PCI, the average we are seeing going userpace -> userspace is > 120-140 MB/S ranges in those systems that have a PCI bus with > bridge chipsets that can support these data rates. > > That's 2 x G-Enet. good numbers. not really 2 x Gi

Re: [ANNOUNCE] Dolphin PCI-SCI RPM Drivers 1.1-4 released

2001-01-30 Thread Todd
folx, On Tue, 30 Jan 2001, Jeff V. Merkey wrote: > What numbers does G-Enet provide > doing userspace -> userspace transfers, and at what processor > overhead? using stock 2.4 kernel and alteon acenic cards with stock firmware we're seeing 993 MBps userspace->userspace (running netperf UDP_STREA

Re: [ANNOUNCE] Dolphin PCI-SCI RPM Drivers 1.1-4 released

2001-01-30 Thread Jeff V. Merkey
> > 64bit busses should do on the order of 500MB/s. > > > > > > the performance numbers that jeff is reporting are not very impressive > > > even for the slowest PCI bus. we're seeing 993 Mbps (124MB/s) using the > > > alteon acenic gig-e cards on

Re: [ANNOUNCE] Dolphin PCI-SCI RPM Drivers 1.1-4 released

2001-01-30 Thread Jeff V. Merkey
rds on 32-bit cards on a 66MHz bus. i would expect > > to get somewhat slower on a 33MHz bus but not catastrophically so > > (certainly nothing as slow as 60MB/s or 480Mb/s). > > > > what am i misunderstanding here? > > > > todd > > > > On Mon, 29 J

Re: [ANNOUNCE] Dolphin PCI-SCI RPM Drivers 1.1-4 released

2001-01-30 Thread Jeff V. Merkey
60MB/s or 480Mb/s). > > what am i misunderstanding here? > > todd > > On Mon, 29 Jan 2001, Jeff V. Merkey wrote: > > > Date: Mon, 29 Jan 2001 16:49:53 -0700 > > From: Jeff V. Merkey <[EMAIL PROTECTED]> > > To: [EMAIL PROTECTED] > > Cc: [EMAIL

Re: [ANNOUNCE] Dolphin PCI-SCI RPM Drivers 1.1-4 released

2001-01-29 Thread Todd
700 > From: Jeff V. Merkey <[EMAIL PROTECTED]> > To: [EMAIL PROTECTED] > Cc: [EMAIL PROTECTED] > Subject: Re: [ANNOUNCE] Dolphin PCI-SCI RPM Drivers 1.1-4 released > > > Relative to some performance questions folks have asked, the SCI > adapters are limited by PCI bus speed

Re: [ANNOUNCE] Dolphin PCI-SCI RPM Drivers 1.1-4 released

2001-01-29 Thread Jeff V. Merkey
Relative to some performance questions folks have asked, the SCI adapters are limited by PCI bus speeds. If your system supports 64-bit PCI you get much higher numbers. If you have a system that supports 100+ Megabyte/second PCI throughput, the SCI adapters will exploit it. This test was p

[ANNOUNCE] Dolphin PCI-SCI RPM Drivers 1.1-4 released

2001-01-29 Thread Jeff V. Merkey
Linux Kernel, The RPM versions of the Dolphin PCI-SCI (Scalable Coherent Interface) adapter drivers have posted at vger.timpanogas.org/sci. This release supports the following SCI Adapters, PSB32, PSB64, and PSB66. This version supports the 32-bit and 64-bit PCI versions of the Dolphin PCI-