Tag Archives: Julita Inca

OpenMP User Conference 2019 in Edinburgh

The OpenMP user conference 2019 was held in the University of  Edinburgh by EPCC that hosted 10 speakers in person and one remotely over two days for around 30 attendees. Day 1- Tuesday 4th June Hands-on Tutorial I joined the Programming … Continue reading

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EuroHPC Conference 2019 in Poznań

I was invited to do a talk to the EuroHPC conference in Poznán from May 13 to May 17. The experience was more than satisfactory from the very beginning to the end. Being part of the first-class HPC event was convenient … Continue reading

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Applying OpenMP directives

The Jacobi method is a usual method to solve partial equations in HPC situations such as pollution diffuses throughout a pipe applying the Laplace’s equation for diffusion.  A way to parallelise this solution when it is coded is by using … Continue reading

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Hybrid MPI-OpenMP

A myriad of applications are using the combination of OpenMP constructs and MPI library in order to improve their performance. You might start MPI with this great Website 🙂 Once you have a MPI program, you may include some code … Continue reading

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Memories of #LinuxInEdinburgh

1. Prior to the event 1.1. Organization It was about a month of preparation for running the event. Thanks to the support of classmates of the HPC master that accepted to share their knowledge using Linux with supercomputers and all their … Continue reading

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My 2018 in Review: Making headlines year

The internationalization of my career was a spotlight in 2008 starting in the U.S.A. with an internship at ORNL in February 2018 and then in U.K. with a Master in HPC (High- Performance Computing) on September 2018. Some online articles … Continue reading

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Jesień Linuksowa 2018

Last weekend I participated in the conference Jesień Linuksowa 2018 in Ustroń which is located in Poland near the Czech and Slovak borders. It was my first time in a country with so much tragic historical experiences. On the other hand, … Continue reading

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Profile of the code on Cirrus

To see the profile on a code, we are going to work with gprof on Cirrus. Let’s use the percolate code: Include the flag -pg for Intel compiler in the Makefile to compile. After compiling, we will see that gmon.out was … Continue reading

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Calculating PI using MPI

Sequential program This is the program in C that use the math formula with sums.Parallelizing the code  Parallelizing the code manually:Now we are going to run it and check if all the processors resolve the same answer: Parallelising the code using … Continue reading

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Starting with OpenMP

We are going to work in DICE and the conventional hello world in C and Fortran: Hello World (OpenMP with fortran): The hello world in Fortran 90 as follow: By default it will take the number of threads as 16: … Continue reading

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Learning Fortran

1.- Printing the Hello world The hello world itself has not much explanation:Then we need to compile it and run it: gfortran hello.f90 -o hello ./hello Hello World! 2.- Converting degrees to radians  In this case we are going to … Continue reading

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Running MPI on DICE

Hello World We are going to use C to write the hello world programNow we can compile with mpicc mpicc -o hello hello.c Now we are ready to run in 4 processors: mpirun -np 4 hello Printing ranks and the … Continue reading

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International Festival at ORNL

Thanks to alliance between United Way and ORNL, I had the opportunity to participate as a volunteer in the international festival at ORNL. The appointment happened at August 16 where more than 12 countries showed dance, food, and more information … Continue reading

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Intern activities at ORNL

Summer Student Safety Lunch Dr. Thomas Zacharia welcomed us with a lunch exclusively to interns 2018 at ORNL to talk about safety at the lab. In his session, he emphasized in wearing the proper equipment during testings or any other … Continue reading

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Women in Computing at ORNL

There is a group in ORNL called Women in Computing(WiC) that helps empower females in Science Technology Engineer and Maths (STEM) in Oak Ridge National Lab. (ORNL). I had the honor to participate in a couple of sessions during my … Continue reading

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