mahout-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Andrew Musselman <andrew.mussel...@gmail.com>
Subject Re: Speed up LDA in Mahit 0.9
Date Fri, 08 May 2015 15:38:21 GMT
I'd also recommend getting the newest version of Mahout, 0.10.

On Fri, May 8, 2015 at 7:15 AM, Yutaka Mandai <20525entradero@gmail.com>
wrote:

> If it's small enough to fit in memory, setting MAHOUT_LOCAL="TRUE" should
> drive you crazy!
>
> I've suffered a lot from running LDA(CVB0) on even on EMR. If you believe
> your data is small enough, then the local is the best.
>
> Regards,,,
> Y.Mandai
>
> iPhoneから送信
>
> 2015/05/07 20:12、mw <mw@plista.com> のメッセージ:
>
> > As far as I understood, the runtime complexity is O(N*T*D),
> > where N is the number of words, T the number of topics and D the number
> of documents.
> >
> > So you can try e.g. to reduce the number of words.
> >
> >> On 05/05/2015 10:36 AM, Donni Khan wrote:
> >> Hello Mahout Users,
> >>
> >> I'm runing LDA job (Mahout 0.9) by using java code, but to run the
> >> algorithm on the small dataset is taking much time.
> >> Is there any way to speed up the prcessing time (like changing the
> >> parameter values)?
> >>
> >> Thanks in advance,
> >> Donni
> >
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message