September 13-19, Aurora, CO, USA
October 25, Pavia, Italy
November 6-8, Berlin, Germany
November 3-8, Kona, HI, USA
By Meeting C++ | Jan 9, 2015 03:40 AM | Tags: parallelism opencl intermediate gpu experimental efficiency cuda concurrency advanced
A solution to generate code for CUDA and OpenCL with C++:
Generating OpenCL/CUDA source code from C++ expressions in VexCL
by Denis Demidov
From the talk description:
VexCL is an opensource C++ vector expression template library for OpenCL/CUDA. It has been created for ease of GPGPU development with C++ and provides convenient and intuitive notation for linear algebra operations, vector arithmetic and various parallel primitives.
By simon ferquel | Jan 8, 2015 04:29 PM | Tags: intermediate experimental
[This article is interesting not only because it's about work being proposed for consideration in the Concurrency TS, but also because it's interesting that we seem to be seeing a trend of articles being published on GitHub instead of on a blog... --Ed.]
Await, coroutines, what could that bring for game development
This article shows how we can use
awaitin way not related to threading, tasks, or asynchronous I/O, but in the context of a game, to write game logic-related code spanning accross many frames in a sequencial way, without introducing any threads with little to no performance penalty.
By Jon Kalb | Jan 8, 2015 04:14 PM | Tags: None
An online (Slashdot) interview of Alexander Stepanov and Daniel Rose, authors of "From Mathematics to Generic Programming" is now soliciting questions.
Add a reply to this Slashdot announcement to pose a questions. Ask as many questions as you'd like, but only one question per reply please:
Interview: Ask Alexander Stepanov and Daniel E. Rose a Question
An anonymous reader writes:
"Alexander Stepanov studied mathematics at Moscow State University and has been programming since 1972. His work on foundations of programming has been supported by GE, Brooklyn Polytechnic, AT&T, HP, SGI, and, since 2002, Adobe. In 1995 he received the Dr. Dobb's Journal Excellence in Programming Award for the design of the C++ Standard Template Library. Currently, he is the Senior Principal Engineer at A9.com. Daniel E. Roseis a programmer and research scientist who has held management positions at Apple, AltaVista, Xigo, Yahoo, and is the Chief Scientist for Search at A9.com. His research focuses on all aspects of search technology, ranging from low-level algorithms for index compression to human-computer interaction issues in web search. Rose led the team at Apple that created desktop search for the Macintosh. In addition to working together, the pair have recently written a book, From Mathematics to Generic Programming. Alexander and Daniel have agreed to answer any questions you may have about their book, their work, or programming in general. As usual, ask as many as you'd like, but please, one per post."
By Meeting C++ | Jan 8, 2015 03:25 AM | Tags: meeting c++ intermediate advanced
The latest version of Edouard Alligands talk on Multiplatform development with C++:
by Edouard Alligand
From the talk description:
C++ is a multiplatform language, yet many difficulties arise when you want the same code to compile properly and function identically on different platforms. If you put aside the obvious system programming related obstacles, and the differences you might have between compilers (especially when it comes to supporting C++11 and C++14), you come to the surprising conclusion that what is truly hard is all the “little things” you didn’t anticipate.
By Blog Staff | Jan 7, 2015 06:08 PM | Tags: None
Quick A: Think of move is (mostly) an optimization of copy, and copy as the "slow" fallback when you can't actually move.
Fresh on SO:
Why does calling std::move on a const object call the copy constructor when passed to another object?
Specifically, the code
#include <iostream> struct Foo { Foo() = default; Foo(Foo && x) { std::cout << "Move" << std::endl; } Foo(Foo const & x) = delete; }; int main() { Foo const x; Foo y(std::move(x)); }fails to compile with the message:
g++ -std=c++14 test07.cpp -o test07 test07.cpp: In function 'int main()': test07.cpp:10:36: error: use of deleted function 'Foo::Foo(const Foo&)' Foo const x; Foo y(std::move(x)); ^ test07.cpp:6:5: note: declared here Foo(Foo const & x) = delete; ^ Makefile:2: recipe for target 'all' failed make: *** [all] Error 1Certainly, I expect it to fail because we can't move a
constvalue. At the same time, I don't understand the route that the code takes before it tries to call the copy constructor. Meaning, I know thatstd::moveconverts the element to an x-value, but I don't know how things proceed after that with respect toconst.
By Blog Staff | Jan 7, 2015 06:02 PM | Tags: None
Fresh on vcblog:
Targeting Android with the C++ REST SDK
by Steven Gates
From the article:
Right before the holidays we put together a new release, version 2.4.0, of the C++ REST SDK. One of the new features added in the library is support for targeting Android using the Visual Studio 2015 cross platform mobile development, as well as the x86 Android emulator. In this post I’m going to walk through showing how to create an Android Native Activity that utilizes the C++ REST SDK...
By Blog Staff | Jan 5, 2015 06:54 AM | Tags: None
A turn-of-the-year retrospective:
C++ Status at the end of 2014
by Bartlomiej Filipek
From the article:
This was a good year for C++!
Short summary (language features):
- Clang supports C++14
- GCC supports C++11 and most of C++14 (Full support in upcoming GCC 5.0)
- Intel 15.0 supports C++11 (some features on Linux/OSX only)
- Visual Studio tries to catch up with C++11, but it also introduces C++14 features as well... and it become (almost) free!
By Blog Staff | Jan 5, 2015 06:43 AM | Tags: None
A new GitHub project With a very readable README:
JSON for Modern C++
by Niels Lohmann
From the README:
... You can create an object (deserialization) by appending
_jsonto a string literal:// create object from string literal json j = "{ \"pi\": 3.141, \"happy\": true }"_json;[Note: Or perhaps
auto j = R"({ "pi": 3.141, "happy": true })"_json;--Ed.]You can also get a string representation (serialize):
// explicit conversion to string std::string s = j.to_string();
By Blog Staff | Jan 5, 2015 06:39 AM | Tags: None
Quick A: Because unique_ptr is designed to be zero-overhead, whereas shared_ptr already allocates space and can easily store the type-erased deleter.
Recently on SO:
Deleter type in unique_ptr vs. shared_ptr
I thought it is very curious when I discovered that the standard defines std::unique_ptr and std::shared_ptr in two totally different ways regarding a Deleter that the pointer may own.
By Meeting C++ | Jan 2, 2015 06:07 AM | Tags: user groups intermediate community c++ basics
A new year, and many more user groups? In January there are already 18 planned meetings:
C++ User Group Meetings in January 2015
by Jens Weller
The Meeting List:
7.1 C++ UG Saint Louis - Deep Dive - Part 1
7.1 C++ UG Santa Barbara - Boost Units
8.1 C++ UG NRW/Aachen - Open Source mit Schwerpunkt C++
8.1 C++ UG Dresden - OpenFoam
14.1 C++ UG Utah - Group Exercism.io in C++
14.1 C++ UG San Francisco/ Bay area - Presentation and Q&A
15.1 C++ UG Madrid - De 0 a 100 (Taller)
15.1 C++ UG Hamburg - Mandelbrot mit MPI
19.1 C++ UG Denver - Denver Tech Center C++ Developers
19.1 C++ UG Austin - North Austin Monthly C/C++ Pub Social
19.1 C++ UG Juce - JUCE C++ Meetup San Francisco
20.1 C++ UG Chicago - CUDA
20.1 C++ UG Juce - JUCE C++ Meetup Los Angeles
21.1 C++ UG Bristol - Save the date
21.1 C++ UG Düsseldorf - Treffen der C++ User Gruppe NRW
22.1 C++ UG Rhein-Neckar - Summary of Meeting C++ Conference and Coding Dojo
22.1 C++ UG Munich - Expression Templates Revisited
28.1 C++ UG San Francisco/ Bay area - Workshop and Discussion Group