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Re: [bgl-discuss] foo

To: Ray Loy <rloy@xxxxxxxxxxx>
Subject: Re: [bgl-discuss] foo
From: Kamil Iskra <iskra@xxxxxxxxxxx>
Date: Thu, 15 Dec 2005 08:56:48 -0600
Cc: discuss@xxxxxxxxxxxxxxx, jacob@xxxxxxxxxxx
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On Wed, Dec 14, 2005 at 19:02:39 -0600, Ray Loy wrote:

> The recent driver update has fixed the CO-mode scaling problem with
> POP 1.4.3, as we hoped it would.  Which would suggest the Allreduce
> bug was the culprit.

I can confirm that allreduce is now fixed.  A benchmark I ran on 512 nodes
has shown the same performance as on Watson machine.

Kamil

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- [bgl-discuss] foo
  - From: Ray Loy

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