From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,FREEMAIL_FROM autolearn=unavailable autolearn_force=no version=3.4.4 X-Received: by 10.66.159.233 with SMTP id xf9mr4257402pab.45.1411553388422; Wed, 24 Sep 2014 03:09:48 -0700 (PDT) X-Received: by 10.140.109.203 with SMTP id l69mr4196qgf.27.1411553388367; Wed, 24 Sep 2014 03:09:48 -0700 (PDT) Path: border1.nntp.dca1.giganews.com!nntp.giganews.com!news.glorb.com!h15no5389646igd.0!news-out.google.com!i10ni30qaf.0!nntp.google.com!s7no144352qap.1!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail Newsgroups: comp.lang.ada Date: Wed, 24 Sep 2014 03:09:48 -0700 (PDT) In-Reply-To: <03b8ccfd-f01c-4499-a1d4-996073dfba29@googlegroups.com> Complaints-To: groups-abuse@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=86.128.184.4; posting-account=28F2IwkAAACL1Z5nRC-dE7zuvWdbWC7P NNTP-Posting-Host: 86.128.184.4 References: <20a06909-d123-4c51-8185-057d50e50186@googlegroups.com> <03b8ccfd-f01c-4499-a1d4-996073dfba29@googlegroups.com> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <0dcdd249-bbd7-4286-a0ef-c922fb39dc20@googlegroups.com> Subject: Re: On intended use cases of the distributed annex From: tonyg Injection-Date: Wed, 24 Sep 2014 10:09:48 +0000 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Xref: number.nntp.dca.giganews.com comp.lang.ada:189129 Date: 2014-09-24T03:09:48-07:00 List-Id: On Wednesday, 24 September 2014 11:08:42 UTC+1, tonyg wrote: > I used the DSA quite regularly and recently, but the job was not as compl= ex as this. However I do know of a guy working at the french nuclear resear= ch institute who made a stack of PC's do some heavy computation using the D= SA to break apart the computation job and put it back together using asynch= ronous messaging. It was quite a feat! >=20 >=20 >=20 > On Wednesday, 24 September 2014 10:37:49 UTC+1, Alejandro R. Mosteo wrot= e: >=20 > > Hello people, >=20 > >=20 >=20 > >=20 >=20 > >=20 >=20 > > I am working nowadays in some heavy simulations that could benefit form= parallelizing batches of work. Currently I either manually perform the lau= nches of different lots, or leverage a cluster managed with Condor [1] at m= y institution, but using C code. >=20 > >=20 >=20 > >=20 >=20 > >=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 pitfal= ls that could elude me. >=20 > >=20 >=20 > >=20 >=20 > >=20 >=20 > > My question is: is the DSA well-suited for load balancing distribution,= even if it is of simple nature. My impression from hearsay is that the DSA= allows one to define a structure of nodes, and that you program as if this= was 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 m= any nodes as online machines", node migrations and things like that. Or, th= ings like resilience through redundant nodes. >=20 > >=20 >=20 > >=20 >=20 > >=20 >=20 > > In other words, does the DSA support reconfiguration (even if it is at = launch time) of nodes without editing a config file, or even online reconfi= guration without manual intervention?=20 >=20 > >=20 >=20 > >=20 >=20 > >=20 >=20 > > Thank you in advance,=20 >=20 > >=20 >=20 > > Alex. >=20 > >=20 >=20 > >=20 >=20 > >=20 >=20 > > [1] http://research.cs.wisc.edu/htcondor/description.html Oh sorry the answer is yes, but you may have to operate a store of types of= processing nodes in a passive partition.