Aug NWCPP Meeting
Lloyd Moore
Time and Location
Abstract
Coming Soon!Speaker Bio
By day, Leonard Mosescu is a compiler engineer, having worked on various parts of the Microsoft Visual C++ toolchain, then on the Android runtime and dev tools for Google, and currently working on the Nvidia CUDA toolchain. By night, he’s pursuing an old interest in AI and Evolutionary AlgoritA Word From Our Sponsor
Digital Media Links
Lloyd Moore
Time and Location
Abstract
A quick introduction to Python / C++ interoperability, with a focus on pybind11, a lightweight Python bindings library. For a concrete example, we’ll dive into the design and implementation of Python bindings for the Darwin Neuroevolution Framework.Speaker Bio
By day, Leonard Mosescu is working on Deep Learning compilers and frameworks at NVIDIA. By night, he’s pursuing an old interest in AI and Evolutionary Algorithms.A Word From Our Sponsor
Lloyd Moore
Lloyd Moore
Lloyd Moore
Time and Location
Abstract
This month will be an open forum for a series of lightning talks. Each talk should be 5-10 minutes in length. If you would like to give a talk, simply show up to the meeting! At the start of the meeting we’ll collect a list of talks and then dive in! This is intended to be an opportunity for folks to present on subjects that may not be large enough for an hour long presentation. Additionally if you are planning to give a lightning talk at CppCon next month please feel free to use this as a practice session!A Word From Our Sponsor
Lloyd Moore
Lloyd Moore
Lloyd Moore
Lloyd Moore
Time and Location
Abstract
This month will be an open forum for a series of lightning talks. Each talk should be 5-10 minutes in length. If you would like to give a talk, simply show up to the meeting! At the start of the meeting we’ll collect a list of talks and then dive in! This is intended to be an opportunity for folks to present on subjects that may not be large enough for an hour long presentation. Additionally if you are planning to give a lightning talk at CppCon next month please feel free to use this as a practice session!A Word From Our Sponsor
Lloyd Moore
Lloyd Moore
Lloyd Moore
Lloyd Moore
Time and Location
Abstract
The Conan package manager for C++ is useful in both simple and advanced development environments. Join the Conan team to see it in action, with a simple demo using OSS libraries and tools from ConanCenter, and a more complete demo showing how to create and upload a package including different binaries for different platforms to a private repository. Also, learn about many other unique and innovative advanced Conan features along the way.Speaker Bio
Diego Rodriguez-Losada‘s passions are robotics and SW engineering and development. He has developed many years in C and C++ in the Industrial, Robotics and AI fields. Diego was also a University (tenure track) professor and robotics researcher for 8 years, till 2012, when he quit academia to try to build a C/C++ dependency manager and co-founded a startup.. Since then he mostly develops in Python. Diego is a conan.io C/C++ package manager co-creator and maintainer, now working at JFrog as Conan Lead Architect and C/C++ Advocate.A Word From Our Sponsor
Lloyd Moore
Lloyd Moore
Lloyd Moore
Lloyd Moore
Hi Folks,
The video from last night is now available. Also please remember that we do not have a meeting in December, we'll see you in January. Happy Holidays!!
Resources
Video A link to the slides is available in the video along with a promo t-shirt for the first 25 people to register with the link.
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Lloyd Moore
Time and Location
Abstract
Chapel is a language supporting productive parallel programming on large-scale supercomputers. Chapel strives for a Python-like experience in terms of code clarity, yet with the type-safety and flexibility you'd expect from a language like C++ combined with the performance and scalability that the HPC community expects from standard approaches for scalable computing, like MPI.In this talk, I'll start with a quick overview of Chapel for those who have either missed my prior NWCPP talks or need a refresher. From there, I'll move on to recent highlights on the project, including: some significant and recent applications that have been written in Chapel; optimizations that aggregate communications to improve performance; and a nascent effort to target GPUs using native Chapel code.
Speaker Bio
Brad Chamberlain is a Distinguished Technologist at Hewlett Packard Enterprise (formerly Cray Inc.) who has spent his career focused on user productivity for HPC systems, particularly through the design and development of the Chapel parallel programming language (https://chapel-lang.org). He received his Ph.D in Computer Science & Engineering from the University of Washington in 2001 and remains associated with the department as an affiliate professor of the Paul G. Allen School.A Word From Our Sponsor
Lloyd Moore
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Lloyd Moore
Lloyd Moore
Lloyd Moore
Lloyd Moore
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Lloyd Moore
Time and Location
Abstract
This is a story about an ongoing, unfunded personal post-retirement project.
Leonard Mosescu, in his talk last August ("Python Bindings for C++"), ably covered the core technology for persuading Python and C++ to play nicely together. I will address some of the same issues, but treat this project as a concrete case study, with messy issues beyond (and including) the binding tools (I’m using SWIG).
My starting point is SST, a monolithic C++ computer program that generates simulated underwater sound. I built SST over a 40-year career, with episodic help from a sequence of team members with various skill sets. The front end is my own parser, interpreting an incomplete "data description" language of my own invention. The underlying C++ classes are mostly well designed, mostly documented using Doxygen, but they bear the marks of a long and twisted evolution, and some mistakes. SST is reasonably well documented, and in use by a small community of very sophisticated users. It is useful but kinda hard to use.
My desired end point is a C++ library with a Python binding (a set of Python modules) designed to be integrated into multiple simulations focusing on specific applications of underwater sound. It should look familiar to my existing users, plus offer enough extra power and flexibility to wean them off of my language and onto Python, with tools to help on that journey. The project is far from finished — at best it’s a proof of concept.
Why did I take on this project, what should the end product look like to my users, and how can I get from here to there? I hope to both enlighten and enlist my audience, to help them think about these issues and to help me make the right decisions to move the project forward.
Speaker Bio
Robert Goddard Principal Physicist, Retired (but still active) University of Washington, Seattle
Robert Goddard is a physicist and software developer. He retired (sort of) in 2017 after 37 years at the UW Applied Physics Laboratory, working mainly on computer modeling of underwater sound. He is still the architect and team leader for the Sonar Simulation Toolset (SST), which produces simulated underwater sound, suitable as input to sophisticated signal processing systems (including human ears and brains), based on user-specified descriptions of the undersea environment, the listening system, and the sound sources and reflectors placed in this simulated ocean. He has also developed systems for data acquisition and analysis, visualization, modeling of quantum mechanical scattering, and using data to infer model parameters.