person:christopher di bella

SG20 with Christopher Di Bella
▻http://cppcast.libsyn.com/sg20-with-christopher-di-bella

Rob and Jason are joined by Christopher Di Bella to talk about SG20, the C++ Education Study Group. Christopher is a Staff Software Engineer on the ComputeCpp Runtime for Codeplay Software and a co-founding member of SG20. He is passionate about teaching people how to write programs using idiomatic C++, and also advocates for developers to consider adopting algorithms and ranges. When not thinking about C++, Chris is often playing games, watching films, or trying something new. News I implemented a proposed C++ paper Raytracing in 256 lines of bare C++ How McSema Handles C++ Exceptions Core C++ 2019 in TLV: Tickets Available Christopher Di Bella @cjdb_ns Christopher Di Bella’s GitHub Links P1231: Proposal for Study Group: C++ Education SG20 Education and Recommended Videos (...)

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SG20 Education and Recommended Videos for Teaching C++—Christopher Di Bella
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In today’s blog, we look at both the newly minted Study Group for education in the C++ Standard Committee. We also look at a small number of conference videos that I recommend teachers consider while they’re waiting for this Study Group to produce usable materials.

SG20 Education and Recommended Videos for Teaching C++

by Christopher Di Bella

From the article:

As articulated in P1231, the goal of SG20 is not to provide normative curricula for teaching C++, but rather to provide teaching and curriculum guidelines. ... Below are a list of conference videos that I’ve compiled for teachers to watch (and will update if recommendations come in). There’s well over a day’s worth of videos below, but these aren’t a random assortment of my favourite conference videos. Rather, (...)

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CppCast Episode 160: Parallel Ranges with Christopher Di Bella
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Episode 160 of CppCast the first podcast for C++ developers by C++ developers. In this episode Rob and Jason are joined by Christopher Di Bella to discuss using Ranges with Parallel algorithms and much more.

CppCast Episode 160: Parallel Ranges with Christopher Di Bella by Rob Irving and Jason Turner

About the interviewee:

Christopher Di Bella is a Staff Software Engineer for Codeplay’s ComputeCpp Runtime Technology and a C++ teacher. He advocates for including the Concepts TS and the Ranges TS in C++20. Chris spends his days working on ComputeCpp, Codeplay’s implementation of SYCL, a Khronos Standard for heterogeneous programming in C++; the Khronos implementation for the Parallel STL (using SYCL); and researching Parallel Ranges, which is an attempt to fuse ranges (...)

Parallel Ranges with Christopher Di Bella
▻http://cppcast.libsyn.com/parallel-ranges-with-christopher-di-bella

Rob and Jason are joined by Christopher Di Bella to discuss using Ranges with Parallel algorithms and much more. Christopher Di Bella is a Staff Software Engineer for Codeplay’s ComputeCpp Runtime Technology and a C++ teacher. He advocates for including the Concepts TS and the Ranges TS in C++20. Chris spends his days working on ComputeCpp, Codeplay’s implementation of SYCL, a Khronos Standard for heterogeneous programming in C++; the Khronos implementation for the Parallel STL (using SYCL); and researching Parallel Ranges, which is an attempt to fuse ranges together with the parallel STL. Chris was previously a software developer for Nasdaq, and a tutor for UNSW Sydney’s advanced C++ and compiler courses. In his spare time, Chris enjoys poking at things involving Ranges, (...)

▻http://traffic.libsyn.com/cppcast/cppcast-160.mp3?dest-id=282890

Transforming std::find into std::ranges::find—Christopher Di Bella
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Today, we dive into what std::find does, and how we can leverage various concepts to cleanly express its requirements, as achieved in std::ranges::find.

Transforming std::find into std::ranges::find

By Christopher Di Bella

From the article:

... The code is nearly the same, but not quite. Where it differs is in how we determine the end of the sequence, how we take the successor of our current element, and how we retrieve the value. While this is conceptually the same, it’s implementationally different. ... Iterators are a topic rich with mathematics. Because they are part of what makes generic programming so powerful, this topic spans multiple chapters in books on generic programming. ... we’ll now refine find to consider the EqualityComparableWith concept that (...)

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Prepping Yourself to Conceptify Algorithms—Christopher Di Bella
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In this article, we explore what concepts are, where they are useful, and how they are different to things that exist in vanilla C++17.

Prepping Yourself to Conceptify Algorithms by Christopher Di Bella

From the article:

A very quick summary of this document is that constraints are requirements imposed on syntax, axioms are requirements imposed on semantics, and concepts are both constraints and axioms together. ... Let’s build the EqualityComparableWith concept from the Ranges TS, from the ground up.

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