Axp-List Archive
Re: Benefits of Linux/Alpha over Linux/x86?

Subject: Re: Benefits of Linux/Alpha over Linux/x86?
From: Iwao MAKINO (makino@hpc.co.jp)
Date: Thu Jun 22 19:28:41 2000

>> - Any problems with the Acenic chipset on Linux/Alpha? I'm looking
>> at the NetGear GA620 for a NIC.
>
> I've used the Acenic cards (Alteon) w/o any trouble. Can't speak for the
> NetGear.

I have not had good experience... it works, but performance is around
40MB/sec range....

If used internally(LAN/SAN) I had more success w/ Myrinet ... soon Quadrics,
I hope:)

>> - I'm looking at the UP2000 mainboard with dual Slot-B processors,
>> either the 2 or 4MB L2 cache 500MHz processors. Anyone want to
>> comment on the performance of the dual 128-bit CPU busses, 256-bit
>> path to memory or dual-PCI channels against the single (64-bit) or
>> dual (128-bit) memory busses of dual-processor x86 solutions?
>
> UP2000 has a single 256 bit memory bus, and just FYI SLOT-Bs don't come in
> 500. Slowest would be 667. It also has dual PCI buses (64-bit).

If you use dual CPU, you MUST fill 8 memory slot to get FULL performance.
667/4 is pretty good... 750/8 is even better 

--
Iwao Makino                               Alpha OEM MFG.
HIT Corporation Ltd.,                     Tel:+81-3-3714-0469
ChinonHaramachi 1-16-5 Haramachi          Fax:+81-3-3714-0789
Meguro 152-0011                           http://www.hpc.co.jp/
Tokyo, Japan                              mailto:makino@hpc.co.jp

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