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We are back! // 隆Estamos de vuelta!

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Profile Jes煤s Carro
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Message 2560 - Posted: 26 Mar 2025, 9:09:41 UTC

Dear volunteers,
We are back! The wait has been longer than we would have liked, but surprisingly, what we bring comes sooner than we expected. Ivan Royo has been working this term on the 1D version of DENIS (denis-fiber) and we already have a first version to start testing. It is a fairly advanced version of what will be the final one (still without checkpoints), but at this point it is very useful to start testing to see that everything is going well and to polish the last details.

Thanks to a grant from the Ministry, Iv谩n is studying how cellular differences (interpatient variations) affect the propagation of the electrical impulse in the heart, and for this we need to scale up. If the tests go well, we will start running simulations within this new project. For now, they are all functional tests. We will start with manageable simulation sizes and gradually increase the number based on how the server responds and our post-processing capacity.

The optimization of the models is still pending as well, I hope we can resume it soon.

Best regards,
Jes煤s.

================================================================================

Estimados voluntarios:
隆Estamos de vuelta! La espera ha sido m谩s larga de lo que habr铆amos querido, pero sorprendentemente, lo que traemos viene antes de lo que esper谩bamos. Ivan Royo ha estado este curso trabajando en la versi贸n 1D de DENIS (denis-fiber) y ya tenemos una primera versi贸n para empezar a hacer pruebas. Es una versi贸n bastante avanzada de lo que ser谩 la final (a煤n sin chekpoints), pero en este punto nos viene muy bien poder empezar a hacer pruebas para ver que todo marcha bien e ir puliendo los 煤ltimos detalles.

Gracias a una beca del Ministerio, Iv谩n est谩 estudiando c贸mo afectan las diferencias celulares (variaciones interpaciente) en la propagaci贸n del impulso el茅ctrico en el coraz贸n, y para ello necesitamos subir de escala. Si las pruebas van bien, comenzaremos a lanzar simulaciones dentro de este nuevo proyecto. De momento son todo pruebas de funcionamiento. Vamos a empezar con tama帽os de simulaciones manejables e ir aumentando el n煤mero para c贸mo va respondiendo el servidor y nuestras capacidad de postprocesado.

La parte de la optimizaci贸n de los modelos est谩 a煤n pendiente tambi茅n, espero que podamos retomarla en breve.

Un saludo,
Jes煤s.
Jes煤s Carro
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Message 2562 - Posted: 26 Mar 2025, 10:27:58 UTC - in response to Message 2560.  

Wonderful news.
Congratulations, Jesus and your team!

We look forward to continuing our contributions.
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Message 2563 - Posted: 26 Mar 2025, 10:33:46 UTC - in response to Message 2562.  

i am looking forward to this too, but please see https://denis.usj.es/denisathome/forum_thread.php?id=307&postid=2561
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Profile Jes煤s Carro
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Message 2599 - Posted: 27 Mar 2025, 12:59:53 UTC - in response to Message 2563.  

We are analyzing the problem.
Jes煤s Carro
Universidad San Jorge
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Message 2606 - Posted: 27 Mar 2025, 21:46:03 UTC
Last modified: 27 Mar 2025, 22:13:53 UTC

Dear Jes煤s,
All members of Carl Sagan team look forward to continuing to contribute.
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Message 2632 - Posted: 29 Mar 2025, 7:31:06 UTC

隆Esta es una noticia excelente Jes煤s!
Estoy muy agradecido y optimista por vuestro desempe帽o y determinaci贸n en este proyecto Denis.

隆Enhorabuena a Iv谩n Royo tambi茅n por la beca del Ministerio!
Esta os permitir谩 de progresar con vuestro trabajo y de profundizar vuestra investigaci贸n sobre las c茅lulas del nuestro coraz贸n. Adem谩s, esta nueva exploraci贸n os consentir谩 de comprender como las variaciones interpaciente afectan las diferencias celulares en la propagaci贸n del impulso el茅ctrico en el coraz贸n.

Os proporcionar茅 todo el apoyo posible(con BOINC) a vuestro proyecto.
Gracias de todo.
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Message 2635 - Posted: 29 Mar 2025, 12:55:38 UTC - in response to Message 2632.  

WOO HOO!!!
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Message 2644 - Posted: 29 Mar 2025, 22:25:09 UTC
Last modified: 29 Mar 2025, 22:28:36 UTC

Well, getting WUs now for the second days, but beside a rather large percentage of returned WUs stuck in PVa jail (406 vs 286 valid, with no errors), there doesn't seem to be the data for the update of BPINCstats, etc being updated. It's now well beyond 24h that there aren't any new stats showing up on those external sites... :(

And just checking a couple of my clients running DENIS and they have WU stuck uploading, with error message is the log of the BOINC client being "Server out of disk space".. :( :(

Ralf
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Message 2645 - Posted: 29 Mar 2025, 22:44:52 UTC

Yep yep . We going too fast and they run out of the space .. this wont be likely fix to monday and then when they add space, its likely to overload servers with all the people uploading .)
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Message 2657 - Posted: 30 Mar 2025, 13:05:55 UTC - in response to Message 2644.  

And just checking a couple of my clients running DENIS and they have WU stuck uploading, with error message is the log of the BOINC client being "Server out of disk space".. :( :(


Me too.
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Message 2662 - Posted: 30 Mar 2025, 18:36:29 UTC - in response to Message 2657.  

Stuck with no uploading or downloading , hope its fixed before they start timing out on Monday .
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Profile Jes煤s Carro
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Message 2663 - Posted: 30 Mar 2025, 19:04:02 UTC - in response to Message 2662.  

In every new simulation we test the limits of DENIS. It has been hard to find how to solve the situation today, but I think that now we are able to validate workunits faster than you upload new ones and the problem seems to be solved. The free space is now increasing in the server!

Thank you for your patience!
Jes煤s Carro
Universidad San Jorge
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Message 2666 - Posted: 30 Mar 2025, 20:22:22 UTC - in response to Message 2663.  
Last modified: 30 Mar 2025, 20:24:01 UTC

Yeah, uploads work again, that's great !

But now you still have to solve the problem for Linux-Clients, that can't connect to Denis@Home:

Diego VLneu

13258 DENIS@home 30-03-2025 22:04 update requested by user
13259 DENIS@home 30-03-2025 22:04 Fetching scheduler list
13260 DENIS@home 30-03-2025 22:04 Scheduler list fetch from https://denis.usj.es/denisathome/ failed: permanent HTTP error
13261 DENIS@home 30-03-2025 22:05 work fetch suspended by user

or

ATLAS6 L1

170 DENIS@home 30-03-2025 15:55 work fetch resumed by user
171 DENIS@home 30-03-2025 15:55 update requested by user
172 DENIS@home 30-03-2025 15:55 Sending scheduler request: Requested by user.
173 DENIS@home 30-03-2025 15:55 Requesting new tasks for CPU
174 DENIS@home 30-03-2025 15:55 Scheduler request to https://denis.usj.es/denisathome_cgi/cgi failed: Error 403

In the same network my windows-clients can connect without any problems.

The Linux-Machine are Ubuntu 22.04 with full patches, all BOINC-Clients here are 8.0.4

Yeti
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Message 2670 - Posted: 31 Mar 2025, 4:33:08 UTC - in response to Message 2663.  

It is now working pretty well, but I get this message from time to time -- rarely, not often.

Sun 30 Mar 2025 11:55:52 PM EDT | DENIS@home | Reporting 20 completed tasks
Sun 30 Mar 2025 11:55:52 PM EDT | DENIS@home | Requesting new tasks for CPU
Sun 30 Mar 2025 11:57:34 PM EDT | DENIS@home | Scheduler request failed: Error 524


My guess is that there is no work available, but it takes too long to report it.
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Message 2681 - Posted: 1 Apr 2025, 10:52:26 UTC

We are slowly recovering from the out-of-space problem. We have paused the generation of new tasks until everything is completely resolved.
Jes煤s Carro
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Message 2682 - Posted: 1 Apr 2025, 10:52:29 UTC

We are slowly recovering from the out-of-space problem. We have paused the generation of new tasks until everything is completely resolved.
Jes煤s Carro
Universidad San Jorge
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[VENETO] boboviz

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Message 2684 - Posted: 1 Apr 2025, 12:02:00 UTC - in response to Message 2663.  

I think that now we are able to validate workunits faster than you upload new ones and the problem seems to be solved.


For me the problem is not the credits, but the fact that no validation=no science...
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Message 2691 - Posted: 2 Apr 2025, 7:35:24 UTC - in response to Message 2684.  

I think that now we are able to validate workunits faster than you upload new ones and the problem seems to be solved.


For me the problem is not the credits, but the fact that no validation=no science...



What do you mean no science? His work is way different than anything else on here.
He's studying something that even I really don't get and I have worked around medical people in giant congress (conventions in US English) and sat in the room operating projection equipment for surgeons, upcoming doctors and some research doctors. So I don't know where you get the idea of no science.
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[VENETO] boboviz

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Message 2692 - Posted: 2 Apr 2025, 7:42:23 UTC - in response to Message 2691.  

What do you mean no science? His work is way different than anything else on here......So I don't know where you get the idea of no science.


If they don't validate the wus, they have NOT scientific results of their simulations.
And, if you don't have scientific results you have not science.
It's simple.
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[BAT] Svennemans

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Message 2694 - Posted: 2 Apr 2025, 9:55:04 UTC - in response to Message 2682.  

Any update on the issues that prevent many clients and statistics gathering sites from connecting to Denis?

See here:
https://denis.usj.es/denisathome/forum_thread.php?id=307
https://denis.usj.es/denisathome/forum_thread.php?id=199
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Message boards : News : We are back! // 隆Estamos de vuelta!