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CppCon 2015 Ranges for the Standard Library--Eric Niebler

By Adrien Hamelin | May 11, 2016 01:03 PM | Tags: intermediate experimental

Have you registered for CppCon 2016 in September? Don’t delay – Early Bird registration is open now.

While we wait for this year’s event, we’re featuring videos of some of the 100+ talks from CppCon 2015 for you to enjoy. Here is today’s feature:

Ranges for the Standard Library

by Eric Niebler

(watch on YouTube) (watch on Channel 9)

Summary of the talk:

Range-based interfaces are functional and composable, and lead to code that is correct by construction. With concepts and ranges coming to the STL, big changes are in store for the Standard Library and for the style of idiomatic C++. The effort to redefine the Standard Library is picking up pace. Come hear about one potential future of the STL from one of the key people driving the change.

CppCon 2015 Tuning C++: Benchmarks, and CPUs, and Compilers! Oh My!--Chandler Carruth

By Adrien Hamelin | May 9, 2016 01:24 PM | Tags: performance advanced

Have you registered for CppCon 2016 in September? Don’t delay – Early Bird registration is open now.

While we wait for this year’s event, we’re featuring videos of some of the 100+ talks from CppCon 2015 for you to enjoy. Here is today’s feature:

Tuning C++: Benchmarks, and CPUs, and Compilers! Oh My!

by Chandler Carruth

(watch on YouTube) (watch on Channel 9)

Summary of the talk:

A primary use case for C++ is low latency, low overhead, high performance code. But C++ does not give you these things for free, it gives you the tools to control these things and achieve them where needed. How do you realize this potential of the language? How do you tune your C++ code and achieve the necessary performance metrics?

This talk will walk through the process of tuning C++ code from benchmarking to performance analysis. It will focus on small scale performance problems ranging from loop kernels to data structures and algorithms. It will show you how to write benchmarks that effectively measure different aspects of performance even in the face of advanced compiler optimizations and bedeviling modern CPUs. It will also show how to analyze the performance of your benchmark, understand its behavior as well as the CPUs behavior, and use a wide array of tools available to isolate and pinpoint performance problems. The tools and some processor details will be Linux and x86 specific, but the techniques and concepts should be broadly applicable.

CppCast Episode 56: Conan with Diego Rodriguez-Losada

By robwirving | May 6, 2016 10:50 AM | Tags: None

Episode 56 of CppCast the only podcast for C++ developers by C++ developers. In this episode Rob and Jason are joined by Diego Rodriguez-Losada from Conan to discuss the new C++ Package Manager.

CppCast Episode 56: Conan with Diego Rodriguez-Losada

by Rob Irving and Jason Turner

About the interviewee:

Diego's passions are robotics and SW development. He has developed many years in C and C++ in the Industrial, Robotics and AI fields. He was also a University (tenure track) professor till 2012, when he quit academia to try to build a C/C++ dependency manager, co-founded startup biicode, since then mostly developing in Python. Now he is working as freelance and having fun with conan.io.

CppCon 2015 Better Code: Data Structures--Sean Parent

By Adrien Hamelin | May 5, 2016 11:22 PM | Tags: intermediate efficiency

Have you registered for CppCon 2016 in September? Don’t delay – Early Bird registration is open now.

While we wait for this year’s event, we’re featuring videos of some of the 100+ talks from CppCon 2015 for you to enjoy. Here is today’s feature:

Better Code: Data Structures

by Sean Parent

(watch on YouTube) (watch on Channel 9)

Summary of the talk:

The standard library containers are often both misused and underused. Instead of creating new containers, applications are often structured with incidental data structures composed of objects referencing other object. This talk looks at some of the ways the standard containers can be better utilized and how creating (or using non-standard library) containers can greatly simplify code. The goal is no incidental data structures.

CppCon 2015 Writing Good C++14... By Default--Herb Sutter

By Adrien Hamelin | May 2, 2016 10:59 AM | Tags: intermediate c++14

Have you registered for CppCon 2016 in September? Don’t delay – Early Bird registration is open now.

While we wait for this year’s event, we’re featuring videos of some of the 100+ talks from CppCon 2015 for you to enjoy. Here is today’s feature:

Writing Good C++14... By Default

by Herb Sutter

(watch on YouTube) (watch on Channel 9)

Summary of the talk:

Modern C++ is clean, safe, and fast. It continues to deliver better and simpler features than were previously available. How can we help most C++ programmers get the improved features by default, so that our code is better by upgrading to take full advantage of modern C++?

This talk continues from Bjarne Stroustrup’s Monday keynote to describe how the open C++ core guidelines project is the cornerstone of a broader effort to promote modern C++. Using the same cross-platform effort Stroustrup described, this talk shows how to enable programmers write production-quality C++ code that is, among other benefits, type-safe and memory-safe by default – free of most classes of type errors, bounds errors, and leak/dangling errors – and still exemplary, efficient, and fully modern C++.

Background reading: Bjarne Stroustrup’s 2005 “SELL” paper, “A rationale for semantically enhanced library languages," is important background for this talk.

CppCon 2015 Writing Good C++14--Bjarne Stroustrup

By Adrien Hamelin | Apr 29, 2016 01:42 PM | Tags: intermediate c++14

Have you registered for CppCon 2016 in September? Don’t delay – Early Bird registration is open now.

While we wait for this year’s event, we’re featuring videos of some of the 100+ talks from CppCon 2015 for you to enjoy. Here is today’s feature:

Writing Good C++14

by Bjarne Stroustrup

(watch on YouTube) (watch on Channel 9)

Summary of the talk:

How do we use C++14 to make our code better, rather than just different? How do we do so on a grand scale, rather than just for exceptional programmers? We need guidelines to help us progress from older styles, such as “C with Classes”, C, “pure OO”, etc. We need articulated rules to save us from each having to discover them for ourselves. Ideally, they should be machine-checkable, yet adjustable to serve specific needs.

In this talk, I describe a style of guidelines that can be deployed to help most C++ programmers. There could not be a single complete set of rules for everybody, but we are developing a set of rules for most C++ use. This core can be augmented with rules for specific application domains such as embedded systems and systems with stringent security requirements. The rules are prescriptive rather than merely sets of prohibitions, and about much more than code layout. I describe what the rules currently cover (e.g., interfaces, functions, resource management, and pointers). I describe tools and a few simple classes that can be used to support the guidelines.

The core guidelines and a guideline support library reference implementation will be open source projects freely available on all major platforms (initially, GCC, Clang, and Microsoft).