Hi,
You have to find old version of dmtcp (1.x). At that version, no coordinator is
required.
I am working on this now.
To make latest version run as a single process and no coordinator needed.
And no dmtcp_launch needed neither.
But in this case, you have to link your source code with dmtcp library so files.
Thanks.
Nausca.
From: Edson Tavares de Camargo
<[email protected]<mailto:[email protected]>>
Date: 2015年10月7日 星期三 16:32
To: "Sourceforge. Net Dmtcp-Forum@Lists."
<[email protected]<mailto:[email protected]>>
Subject: [Dmtcp-forum] Uncoordinated checkpoint for MPI
Hi Everyone!
This is my first contact with DMTCP. I'm a phd student and I'm working on a
message logging protocol for MPI. I'm using OpenMPI for implementing my
proposal. I have read the DMTCP documentation and I have few questions. But
first of all, I will tell you why I would like to use a checkpoint tool:
- My message logging protocol supposes that processes create checkpoints on a
uncoordinated approach. Each process creates a checkpoint independently of
other. There will be no coordination among the processes.
- For now, I am not worried about a process recovery. This will be part of a
next phase of my work.
Now my questions about DMTCP.
- There is a coordinator. It is responsible for starting the checkpoints on the
other processes, right? DMTCP follows a coordinated checkpoint approach and
creates a consistent global state, ok?
- Would be possible to use DMTCP, or DMTCP plugin, in order to implement a
uncoordinated checkpoint? In this moment just take checkpoint independently on
each process.
Thank you in advance!
Edson
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