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kokkos.github.io's Introduction

New Kokkos.org

Requirements


How to run locally

  1. Install all requirements
  2. Change directory: <your-path-to-the-repository>
  3. Install dependencies
npm install
  1. Start development server
npm run start
# or
hugo server -D
  1. Open Chrome, web server is available at http://localhost:<assigned-port-depends>
    • example: http://localhost:1313

How to add a blog post

  • Create a new .md file in the /content/blog/ folder
  • There are 2 parts to display an article:
    • an information / header part and
    • a body part of the article
  • Here is an example of a header for a new blog article:
1 ---
2 author: <author-name>
3 title: <title-of-my-blog-post>
4 date: YYYY-MM-DD
5 tags: ["exemple1", "tag2", "anotherOne"]
6 thumbnail: img/<name-of-your-picture>.jpg
7 ---
  • From line 8 you can write all the text you want respecting the markdown rules of the goldmark parser.
    • In config.toml line 173 unsafe = true: it allows you to put links in the body text of a blog post
  • In addition, there are tags specific to the chosen theme. More information in the docs

How to add a new page

  1. Create a new file or folder in the content/ folder
  2. The name given will be the identifier in config.toml code
  3. This .md file must have a correct header (see part How to add a blog post)
  4. The content is then free following the markdown goldmark rules
  5. The file / page is accessible via its url defined in the config.toml file
    • If you want to add it to the top menubar, read the next part

How to add a item in the top menu bar

  1. Go to config.toml
  2. Add +1 to weight line 6 and 7:
[languages.en]
weight = new-weight
  1. Add an item under the tag below:
[[languages.en.menu.main]]
  1. It is necessary to specify 3 points: name, url and weight (location of the item in the top bar)
  • Here is an example:
    •   [[languages.en.menu.main]]
        name = "Name which is displayed"
        url = "/<path-to-folder>/<where-your-new-content-folder-is>/"
        weight = number
    • This tab will be before the items that have a weight lower than <number> and after the items that have a weight higher than <number>
  1. If you have no content at the url, you get an error. To solve it you have to create a page or a folder with the same name as your url (for more information see next section)
  2. If you want to add a drop down menu, you just have then to specify sub-menus with parent and weight
  • Here is an example:
    •   [[languages.en.menu.main]]
        identifier = "Unique name for this"
        name = "Name which is displayed child"
        url = "/<path-to-folder>/<where-your-new-content-folder-is>/<sub-file>/"
        parent = "Name which is displayed"
        weight = number

How to build static HTML files

  • Go to the root directory: cd <your-path-to-the-repository>
  • Use the command line to build
npm run build
  • This command generates the html code, css, and more, to be able to deploy your website
  • And puts it in an automatically created folder called public/

Check the build

You can check that the build is working well by running the build code with a small local python server. You must have python3 installed. This is not explained in this document.

  • Change directory: <your-path-to-the-repository>/public/
  • Execute the command: python3 -m http.server
  • Web server is available at http://localhost:8000 for example

kokkos.github.io's People

Contributors

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kokkos.github.io's Issues

Kokkos support in the TAU and APEX performance measurement tools

TAU is a full-featured profiler/tracer that provides support for most parallel programming models and platforms, with Kokkos support enabled by default. APEX is a measurement library designed for asynchronous tasking runtimes that provides support for Kokkos and all available back ends, including HPX, and also provides auto-tuning support for Kokkos Team and MDRange execution policies.

MEUMAPPS C++: An Open-Source Framework for Phase-Field Modeling

I will give an overview of MEUMAPPS C++, an open-source framework for solving PDEs using the Fourier pseudospectral method that combines Kokkos with heFFTe (performance portable FFTs) and Sundials (performance portable time integration). I'll discuss strategies for interfacing Kokkos with these libraries as well as performance results on OLCF's Summit and Frontier systems. Finally, I will provide a brief overview of the new use of Kokkos in the deal.II finite element library in the context of adamantine, an open-source thermomechanics code for additive manufacturing.

DDC, a performance portable library abstracting Computation on Discrete Domains

The Discrete Domain Computation library is a modern C++ library that aims to offer to the C++/MPI world an equivalent to the xarray.DataArray/dask.Array python environment. Based on Kokkos, DDC supports zero-overhead dimension labelling for multi-dimensional arrays and performance-portable multi-dimensional algorithms.

Kokkos Kernels - Overview

Authors: @kokkos/kokkoskernels
Presenter: @lucbv

Abstract:
KokkosKernels provides math kernels for dense and sparse linear algebra as well as graph computations. It has multiple aims:

  • Provide a portable Kokkos bases interface to BLAS, Sparse and Graph kernels for all major HPC platforms.
  • Provide generic implementations of Kernels working with various scalar types and data layouts, going beyond standard types supported by vendor libraries.
  • Provide access to major vendor optimized math libraries.
  • Provide improved performance for kernels where vendor libraries were historically lacking.

An overview of the library capabilities as well as the latest developments will be presented in this talk.

Profiling the performance of Albany Land-Ice on Perlmutter and Frontier

Albany Land-Ice is an ice sheet model for Earth system modelling that utilizes Kokkos and performance portable Trilinos packages to enable ice sheet simulation on GPU hardware. As part of our ongoing work to achieve high performance on the variety of GPU architectures currently available, we will present our preliminary performance profiling of Albany Land-Ice on Perlmutter and Frontier. Additionally, we will discuss some of the ongoing challenges with achieving optimal performance of Albany Land-Ice on GPUs.

CExA project: GPU computing at CEA with Kokkos

The CExA project has been launched by the CEA to
fund a 10 people team to contribute to the Kokkos library and its ecosystem,
to onboard codes developed at CEA, and to offer support, training and
contribute do dissemination inside CEA, in France, Europe and beyond. This
talk will briefly present the project and the first application demonstrators
that have been selected.

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