Parallel Algorithms of the Standard Template Library

The idea is quite simple. The Standard Template has more than 100 algorithms for searching, counting, and manipulating of ranges and their elements. With C++17, 69 of them are overloaded and a few new are added. The overloaded and new algorithms can be invoked with a so-called execution policy. By using the execution policy, you can specify whether the algorithm should run sequential, parallel, or parallel and vectorised.

 

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Tags: C++17
Views: 52593

Multithreading with C++17 and C++20

Forecasts about the future are difficult. In particular, when they are about C++20. Nevertheless, I will take a look into the crystal ball and will write in the next posts about, what we will get with C++17  and what we can hope for with C++20.

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Tags: C++20, C++17
Views: 152113

Expression Templates

Expression templates are "structures representing a computation at compile time, which structures are evaluated only as needed to produce efficient code for the entire computation" (https://en.wikipedia.org/wiki/Expression_templates). As needed, now we are in the centre of lazy evaluation and in the centre of this post.

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Views: 29899

C++ is Lazy: CRTP

In my previous post Recursion, List Manipulation and Lazy Evaluation I wrote about the characteristics of functional programming:  The story about lazy evaluation in C++ is short. Sorry to say but I have forgotten templates. The two advanced techniques CRTP and expression templates are based on lazy evaluation.

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Tags: templates
Views: 73123

Six Vouchers to Win

Ivan Cukic is currently writing a book on "Functional Programming in C++" for Manning Publication. Currently, 4 out of 14 chapters are published under the Manning Early Access Program. A new chapter is planned to appear each month. Here are the details of his book.

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Views: 11805

Monads in C++

Monads in C++? What a strange name for a post. But it's not so strange. With std::optional C++17 gets a monad. The ranges library from Eric Niebler and the extended futures are also monads. For both, we can hope for in C++20.

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Tags: C++20
Views: 49909

Concepts

We stay in the year 2020. With high probability we will get concepts. Of course, waterproof statements about the future are difficult but the statement is from Bjarne Stroustrup (Meeting C++ 2016 at Berlin).

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Views: 17723

The New Ranges Library

A small time jump and we are in the year 2020. C++ will get - as far as the future is predictable - the new ranges library. Thanks to Eric Nieblers library, the working with the Standard Template Library (STL) will become much more comfortable and powerful.

 

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Tags: C++20
Views: 26423

Fold Expressions

With fold expressions you can implement the from Haskell known functions foldl, foldr, foldl1 and foldr1 directly in C++. These four functions successively reduce a list to a single value.

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Tags: C++17
Views: 47075

Recursion, List Manipulation, and Lazy Evaluation

The remaining three characteristics of functional programming are told quite quickly: Recursion, manipulation of lists and lazy evaluation.

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Views: 23635

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