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July 2008

July 01, 2008

Last weekend, we hiked and camped on the great wall. I found a place online which they do weekend trips to the wall and you get to sleep on top. It was an amazing trip ;even though, it was quite foggy for most of it. We had dinner inside of a farm house and had to climb to our camp site at around 9 pm during slight rain. The wall was quite steep in some parts and with the rain it was quite slippery. Monday, I submitted my paper to ICCE and will hear back in September if accepted. After this paper is out of the way, I can start writing my thesis! This weekend, we plan to go to Xi'an to see the Terracotta soldiers which were discovered in the 1970s by farmers.  http://en.wikipedia.org/wiki/Terracotta_Army .

our transportation for the wall: 

[You do not have permission to access this file]

 Start of the Hike:

[You do not have permission to access this file]

End of the Hike:

[You do not have permission to access this file] 

Keywords: great wall, paper finished

Posted by NSF Partnerships for International Research and Education - Christopher Holder | 0 comment(s)

July 07, 2008

Last week we were finally able to visit the (once sacred) holding ground of the MareNostrum supercompuer. The overall setup and presentation is very nice. The cables are neatly routed and you could tell there was attention to detail in making it look presentable. Not only that, but many of the stylish cues, such as the plexiglass enclosures, are functional as well. For example, each rack has has a dedicated cooling unit, which passes cool air in (within a plexiglass chamber), and the hot air is sent to the atmosphere outside, with the aid of fans to push it out.

Keywords: BSC, MareNostrum, PIRE, Spain

Posted by NSF Partnerships for International Research and Education - Javier Delgado | 0 comment(s)



Sean Leslie

July 7, 2008


This past week we have been planning the database. We have been working together with the Ensemble group in Miami, Seychelles and Elias, to come up with an acceptable database design. I have been creating several ER-Diagrams mapping out the database. After showing them to Allison, Seychelles, and Elias some revisions were made. I think we have the database plan finalized. We have started setting up the database, and are also extending the webpage functionality. The history page has had its functionality extended with some JSP. We are looking into uploading files next.

Database planning: Complete


  • We tried to access the VPN from UdG and we were blocked. So we have requested that the necessary network permissions be set-up.
  • There were some issues with our access via the WRF user Eric set-up for us. Apparently Seychelles and Elias are having the same issue. We keep getting messages stating we are performing illegal actions and are being reported.
  • Allison stumbled upon another list of namelist variables. The problem with that is, it does not match up with the current list we are going on. We need to verify the exact list of variable names since these are not only going to be fields in a database but fields coded into the portal page itself.


Short Term:

  • Work on resolving issues with keys on the database.
  • Implement some other portions of the database, including constraints.
  • Uploading a file.
  • Linking the input fields to the databasse

Long term:

  • Enable user to set variable values
  • Save changes to variables to database



Keywords: weekly-report

Posted by NSF Partnerships for International Research and Education - Sean Leslie | 0 comment(s)

July 15, 2008


  • Executing mpitrace and amon/aprof benchmarks on Mind and GCB

  • Modifying amon and aprof for MareNostrum

  • Created script to fix current amon data from MN and allow batch prediction

  • Using aprof for prediction on MN.


  • We fixed the problem we had with aprof not being able read amon data due to its output by modifying both the parser of aprof and the output of amon. The latter by both modifying its source code and using an external script.

  • The other problem from last week, which was the fact that wrf.exe processes in aprof input files were low, was investigated. I added some things to are benchmarking script to do this. I realized that there are more wrf.exe processes in the amon output than are being taken in by aprof. So I suspect aprof is not grabbing all the inputs.

  • Mind is successfully generating mpitrace files and converting them to Paraver.


  • GCB is having problems generating mpitrace files, due to an issue with the PAPI library.

  • Some of the paraver conversion executions in Mind result in memory allocation errors, which we suspect now is due to the fact that the traces are very large (e.g. more than 4 gigabytes in total), which we have learned is typical.


  • Use the fixed amon data and modify our prediction script to generate prediction data for MN.

  • Use the successfully-generated paraver traces of Mind to do prediction.

  • As time allows, fix the problem with GCB. With Mind working, I do not see this as an urgent issue.

About this document ...

Javier Delgado

This document was generated using the
LaTeX2HTML translator Version 2002-2-1 (1.71)

Copyright © 1993, 1994, 1995, 1996,
Nikos Drakos,
Computer Based Learning Unit, University of Leeds.

Copyright © 1997, 1998, 1999,
Ross Moore,
Mathematics Department, Macquarie University, Sydney.

The command line arguments were:

latex2html -split 1 07.14.08.tex

The translation was initiated by Javier Delgado on 2008-07-15

Keywords: bsc, report, spain, weekly

Posted by NSF Partnerships for International Research and Education - Javier Delgado | 0 comment(s)

July 17, 2008

Italy, Germany, and Portugal

Since its been a while since I mentioned what I do outside of my research (due to how much time I spend inside of it), here is some information about some of the fun I have had over the past few weeks. First, there was Italy, which all of us PIRE members here in Barcelona went to. Overall, it was a pleasant stay. Then came Germany, which was the trip I was most looking forward to and it was great. Finally, Portugal, which is where we celebrated Independance Day, was also a great place.


This was my first visit to a European country other than Spain, and it was intersting to see the similarities and differences. It was also the first time that I was in a country where I did not speak the language, which was quite difficult, yet strangely entertaining. We started off in a Rome, which was a very nice place with a friendly atmosphere. On the second day we went to Naples (Napoli), where there was more sightseeing and exploring to do. First, we went to the (ruins of) the ancient city of Pompei, which was destroyed by a volcano. Some of the structures were still in place and you could vaguely tell what they were (e.g. homes or restaurants), but very little. After getting back to Naples, we did some exploration of the city. It was not as pleasant as Rome in terms of views and cleanliness. Also, the beaches were a bit dissapointing since there was no sand. However, I was glad to see more of the "real Italy," as opposed to the more touristy Rome.

The next day was a shorter day, and it was Sunday so it was the proper day to stay again in Rome and go visit the (nearby) Vatican City. After seeing the huge cathedral and a portion of the Sunday mass, we went out to witness the Pope himself address the crowd. He spoke a prayer in various languages. Each corresponding country would of course cheer when he spoke in theirs. A great experience indeed.

- The Colesseum
p6201003 - Pompei
p6221190 - The Pope


I was eager to go to Germany since I found out that I was coming to Europe in the first place. As an auto enthusiast the reasons were this were the Autobahn and the Car Museums of the big european companies (Volkswagon Group, Mercedes-Benz, and BMW).


Well, first of all, I missed the first bus to the Girona airport. Which meant that I was taking a bus that would get me there 20 minutes before the flight. Fortunately, I got the director to get a bus out 15 minutes earlier (>si estas leyendo esto, gracias). Traffic was good as well, so I ended up arriving with a few minutes to spare. My first stop was Hamburg, since it was the closest city to Wolfsburg (aka Golfburg for the Volkswagen Golf, which is popular in the area, and the fact that VW headquarters are here) that RyanAir had service to. Hamburg actually turned out to be a nice city, although I did not spend much time there.

p6261201 - I missed the first bus to the Girona airport, so this is what time I got there (for a 5:40 flight)
p6271214 - hamburg rail lines from central station

Day 1 - Wolfsburg

On the second day, I visited the VW headquarters an museum (i.e. the Autostadt). This was a huge place, so I am glad I scheduled an entire day for it. In fact, I was going to go to a nearby science museum, but had no time. The Autostadt is both entertaining and educational. I found out about design processes of the cars, a history of automobiles in general, with an emphasis on VW's role, and about future trends with alternative fuel sources such as their own SunFuel.

p6271251 - Inside the VW pick-up center, if you look close, you can see a bunch of cars lined up - vertically and horizonatally
p6271325 - Peice of decorated landscape. There were four of these, as there are four circles in the AUDI logo, which I came to find out stands for the four companies that merged to form AUDI in order to survive tough times. The next day I found out that the Daimler-Benz merger was done for the same reason.

Since Berlin was nearby and I had a few hours to spare after the Autostadt closed, I went by there, since that was the most touristy and historical place of Germany, although, frankly I was tired of such things after Barcelona and Spain. Overall, it was also a nice city, but frankly I have nothing special to say about it (I was only there about 4 hours). I include some pictures below.

Day 2 - Stuttgardt and (not quite) Munich

This day should have been two days, as I didn't anticipate how much time I would spend in city one (that and a mishap with the DeutcheBahn and being lost in translation). In any case, it was still the highlight of all of my getaways here in Europe. I started off going to the Mercedes Benz headquarters and Museum. I must recommend anyone interested in the automotive world to come here if they ever can because it is quite a spectacle. I spent much more time here than I expected to. I learned a bunch about the invention of the automobile and events that motivated and advanced the industry. I also learned some other interesting little facts, such as that "Mercedes," is actually not the name or any of the inventers (who are Daimler and Benz) nor their family, but rather the daughter of a race car driver who helped put their brand on the map. Purportedly, she never even learned to drive.

xp6281434 - me before the Mercedez-Benz Museum
- Thanks to Daimler-Benz, even really fast runners were no longer able to escape the police (well, we can thank Motorola as well)
- Very cool stuff. Applications of EEG to improve driver safety

My next trip was to Munich, which is the home base of BMW. Their museum closes at 8 PM, so I should have had a couple of hours there despite staying at Benz so long, but a misunderstanding with the DeutcheBahn caused me to miss it. I ended up getting there are about half past 8. I still got to see it from the outside (boo hoo) and I saw some of the other things that BMW has there. They actually have an entire hotel there, with some of their cars inside. Additionally, there are a few small museum-like sections there. It is right across from the olympic stadium, which I passed by as well.

xp6281748 - Dome in the olympic stadium - Munich
- Festival-type thing by the olympic stadium. Intersting "cultural" experience
- Back inside the BMW hotel. I can't think of a better way to decorate the interior of a building (except maybe with Lotus' and Porsche's)

Overall, this was a very educational couple of days. Not only did I learn about the history of automotive, including the events that helped the industry grow so much, but I also became aware of some of the cutting edge research going on in the industry. Particularly intersesting were the EEG-based driver safety feature that Meredes is looking into, which I would like to look into some more, and the alternative fuels (or alternatives to fuel).

Last Day - Cologne

Cologne was the city with the nearest airport for RyanAir, so it was my final destination. It is also closest to the famous Nurburgring, which is a famous road for testing a cars limits (many automakers use it). Since I was unable to rent a car, I canceled my trip over here. Instead I opted to do some sightseeing in Cologne. This turned out to be a good idea, since there were some spectacular views.

xp6291803 - Catchedral at Cologne. You can hear the service bell pretty at a pretty far off radius from the cathedral itself, when mass is about to start
xp6291868 - At the chocolate museum. I got to see how one of these are made.

- Shot taken from a bridge at Cologne
- Cool scenery walking through the woods
- View from the top of the Cathedral. Getting up here requires climbing up 300 steps! (no elevator option)
- I didn't have much time at Frankfurt, so here's the Central Station with a nice skyline


Note: I could not post any of the pictures of Lisbon since the USB output of my camera failed, apparently. I will modify this section when I am able to access the picture files

Portugal was my final visit to another country. This was another recommendation by Marlon. We spent all our time in the capitol, which is Lisbon. The city itself has a cozy and laid back feeling to it. People are generally friendly. In terms of tourist attractions and architecture, it was definetely the least extravagant of all the places I had been to, which helped to make it the most quiet and laid back. We had no official "plan of action" here. Instead, we went to a few of the cultural and tourist attractions. Of which there were a few statues. There was a very nice part that had a well-decorated peice of landscape and a nice view of the city.

IMG - landscape

We took a trip to the aqueduct, which was a fun adventure since it involved going through all kinds of terrain, but we weren't really able to see much of the aqueduct itself.

The next day we went to the bay area. First, we went by a park with a tall monument and then we went to the beach. The beach was surprisingly full for a Friday. The overall beach area was nice, although the water was just above freezing. Figuring I would probably not be visiting Portugal any more, I decided to jump in and try it out anyway. This was my first chance to test the waterproof abilities of my camera (it survived). Inadvertantly, I guess it also allowed me to test the freeze-proof feature, which it also survived. Altough perhaps this is what did the USB input in. Oh well.

IMG - beach

Keywords: bsc, germany, italy, PIRE, portugal

Posted by NSF Partnerships for International Research and Education - Javier Delgado | 0 comment(s)

July 28, 2008



Sean Leslie

July 28, 2008


This past week we have been trying to fix various errors while working with spotty internet access. We also have been getting ready to go home and started getting information together to wrap up the project in general. A few changes to the namelist variable input page were made last week as well. While adding drop-down boxes to some variable with a fixed number of values was doable having them inside of if/else blocks was causing an issue we were unable to identify. A solution was chosen just to have regular input fields replace the combo boxes. Work was also done on creating java code that would parse a namelist file and take the values provided in the file and place them in the database. This required some critical thinking as the data fields did not have to appear in any particular order, or even appear at all. The string parsing works but requires testing on tomcat in order to be incorporated into the site.


We met with Dr. Duran and showed him what we had done so far. I also got to sight and have a 1 to 1 question answer session with him. We discussed various aspects of our project as well as WRF and grid-enabling it in general. It was a pleasure working with Dr. Duran he was helpful and responded to our questions in an honest and timely manner. If he could suggest a solution to a problem he would provide us with some web resources to look into the solution further, and if he could not help us he would tell us upfront. He proved to be a valued resource as we worked through problems while working in UdG.

The namelist variable edit page can recall data from the database and add it to its fields, as well as submit data from its fields to the database.


  • I have been trying and failing to get winSCP working on my laptop. I have given up since we should be able to get this working from campus no problem.
  • Having only one machine with winSCP means that only one of us could upload and debug at a time. It would have been great to have all of these tools installed and tested prior to getting to Mexico.


Short Term:

  • Finish putting some aspects of the site together. Incorporating the work Seychelles and Elias have done with our own.
  • Implement interaction with JFM
  • Visualization

Long term:

  • Finish up project documentation.
  • Write a paper.



Posted by NSF Partnerships for International Research and Education - Sean Leslie | 0 comment(s)