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Newsgroups: comp.lang.ada
Date: Wed, 24 Sep 2014 03:08:41 -0700 (PDT)
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Subject: Re: On intended use cases of the distributed annex
From: tonyg <tonythegair@gmail.com>
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Xref: number.nntp.dca.giganews.com comp.lang.ada:189126
Date: 2014-09-24T03:08:41-07:00
List-Id: <comp.lang.ada>

I used the DSA quite regularly and recently, but the job was not as complex=
 as this. However I do know of a guy working at the french nuclear research=
 institute who made a stack of PC's do some heavy computation using the DSA=
 to break apart the computation job and put it back together using asynchro=
nous messaging. It was quite a feat!

On Wednesday, 24 September 2014 10:37:49 UTC+1, Alejandro R. Mosteo  wrote:
> Hello people,
>=20
>=20
>=20
> I am working nowadays in some heavy simulations that could benefit form p=
arallelizing batches of work. Currently I either manually perform the launc=
hes of different lots, or leverage a cluster managed with Condor [1] at my =
institution, but using C code.
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>=20
>=20
> I was thinking about the possibility of requesting the installation of an=
 Ada compiler in such cluster, and also if the DSA can fulfill my needs. I =
guess I could dig into the docs but probably some of you know some pitfalls=
 that could elude me.
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>=20
>=20
> My question is: is the DSA well-suited for load balancing distribution, e=
ven if it is of simple nature. My impression from hearsay is that the DSA a=
llows one to define a structure of nodes, and that you program as if this w=
as a single entity, and the remote interactions are done for you. What I'm =
not sure of is if it supports, for example, is things like "allocate as man=
y nodes as online machines", node migrations and things like that. Or, thin=
gs like resilience through redundant nodes.
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>=20
>=20
> In other words, does the DSA support reconfiguration (even if it is at la=
unch time) of nodes without editing a config file, or even online reconfigu=
ration without manual intervention?=20
>=20
>=20
>=20
> Thank you in advance,=20
>=20
> Alex.
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>=20
> [1] http://research.cs.wisc.edu/htcondor/description.html