Moses-support Digest, Vol 154, Issue 4

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Today's Topics:

1. Segmentation fault and tcmalloc errors (????)
2. Re: Segmentation fault and tcmalloc errors (Hieu Hoang)


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Message: 1
Date: Fri, 23 Aug 2019 19:19:02 +0800
From: ???? <michael.zhouwangchunshu@gmail.com>
Subject: [Moses-support] Segmentation fault and tcmalloc errors
To: "hieuhoang@gmail.com" <hieuhoang@gmail.com>,
"moses-support@mit.edu" <moses-support@mit.edu>
Message-ID: <5d5fcba6.1c69fb81.d251d.b3ae@mx.google.com>
Content-Type: text/plain; charset="utf-8"

Dear Hieu,?

Hi, I have successfully trained and tuned the moses model and it trains well with moses1.
However, I would like to use optimized multi-thread moses2 to accelerate the decoding. I have run probingPT and finally moses2 is able to run. But when I feed a relatively large file to moses2 and it start RUN BATCH, it throws a segmentation fault after decoder several hundred lines. For different files it keeps happening and I am able to run moses1 with these files.

I noticed on the Moses-support that it may because of the tcmalloc. However, I tried to download the complied version of moses2 from the moses website. This fault is not solved.

I would really appreciate it if you have any idea about how to solve this problem. Thanks very much!!!!!

Wangchunshu Zhou
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Message: 2
Date: Fri, 23 Aug 2019 12:21:55 +0100
From: Hieu Hoang <hieuhoang@gmail.com>
Subject: Re: [Moses-support] Segmentation fault and tcmalloc errors
To: ???? <michael.zhouwangchunshu@gmail.com>
Cc: moses-support <moses-support@mit.edu>
Message-ID:
<CAEKMkbhxPxDTOqeQP6nzkFA4qW+DCvfi3hevt7JcUtuL=TMgQw@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Don't use tcmalloc with Moses2, it has its own memory allocation
optimization.

Can you tell me the exact command you executed, the error it produced and
send me the config file you used

On Fri, 23 Aug 2019, 12:19 pm ????, <michael.zhouwangchunshu@gmail.com>
wrote:

> Dear Hieu,
>
>
>
> Hi, I have successfully trained and tuned the moses model and it trains
> well with moses1.
>
> However, I would like to use optimized multi-thread moses2 to accelerate
> the decoding. I have run probingPT and finally moses2 is able to run. But
> when I feed a relatively large file to moses2 and it start RUN BATCH, it
> throws a segmentation fault after decoder several hundred lines. For
> different files it keeps happening and I am able to run moses1 with these
> files.
>
>
>
> I noticed on the Moses-support that it may because of the tcmalloc.
> However, I tried to download the complied version of moses2 from the moses
> website. This fault is not solved.
>
>
>
> I would really appreciate it if you have any idea about how to solve this
> problem. Thanks very much!!!!!
>
>
>
> Wangchunshu Zhou
>
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End of Moses-support Digest, Vol 154, Issue 4
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