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From: Mark H Weaver <mhw@netris.org>
To: Ben Woodcroft <b.woodcroft@uq.edu.au>
Cc: guix-devel@gnu.org, Alex Kost <alezost@gmail.com>
Subject: Re: [PATCH] Add FastTree
Date: Sun, 21 Jun 2015 03:32:29 -0400	[thread overview]
Message-ID: <874mm1a54i.fsf@netris.org> (raw)
In-Reply-To: <55865F2B.7010007@uq.edu.au> (Ben Woodcroft's message of "Sun, 21 Jun 2015 16:52:27 +1000")

Ben Woodcroft <b.woodcroft@uq.edu.au> writes:

> On 21/06/15 14:41, Mark H Weaver wrote:
>> Is there any reason to build the single-threaded version?  Maybe it
>> would be better to omit it, and call the multi-threaded version
>> FastTree.  What do you think?
> I considered this. I have only ever used the multithreaded version,
> but the one advantage of the single-threaded mode is that it is
> deterministic as I understand, where the multi-threaded version is
> not. From the webpage:
>
>> FastTreeMP will not give exactly the same results as FastTree
>> because 
> the top-hits heuristics become non-deterministic
>
> Ubuntu has separate fasttree and fasttreeMP for reference.

Okay, makes sense.  Applied, thanks!

     Mark

      reply	other threads:[~2015-06-21  7:32 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-19  7:24 [PATCH] Add FastTree Ben Woodcroft
2015-06-19 10:13 ` Alex Kost
2015-06-19 22:30   ` Ben Woodcroft
2015-06-20  5:32     ` Ben Woodcroft
2015-06-20 17:17       ` Mark H Weaver
2015-06-20 23:12         ` Ben Woodcroft
2015-06-21  4:41           ` Mark H Weaver
2015-06-21  6:52             ` Ben Woodcroft
2015-06-21  7:32               ` Mark H Weaver [this message]

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