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Comments Now Enabled - what would you like to see?

Thursday, 26 June 2008

I have now updated my blog engine to allow comments on my blog posts, so please give it a whirl.

To kick things off, please add a comment on this entry if there's something you'd like me to cover on my blog, and I'll pick the ones I feel able to write about as topics for future posts.

If you're viewing this post in an RSS reader, you'll have to actually go to the website to comment. If you're viewing this post on one of the blog directory pages, click on the title or follow the "Permanent Link" to get to the entry page.

Any comments I feel are inappropriate or spam will be deleted.

Posted by Anthony Williams
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Boost 1.35.0 has been Released!

Tuesday, 01 April 2008

Verson 1.35.0 of the Boost libraries was released on Saturday. This release includes a major revision of the Boost.Thread library, to bring it more in line with the C++0x Thread Library. There are many new libraries, and revisions to other libraries too, see the full Release Notes for details, or just Download the release and give it a try.

Posted by Anthony Williams
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Tags: boost
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Optimizing Applications with Fixed-Point Arithmetic

Tuesday, 01 April 2008

My latest article, Optimizing Math-intensive Applications with Fixed Point Arithmetic from the April 2008 issue of Dr Dobb's Journal is now available online. (I originally had "Maths-intensive" in the title, being English, but they dropped the "s", being American).

In the article, I describe the fixed-point techniques I used to vastly improve the performance of an application using sines, cosines and exponentials without hardware floating point support.

The source code referenced in the article can be downloaded from here. It is released under the Boost Software License.

Posted by Anthony Williams
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Tags: optimization, fixed-point, maths
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The Most Popular Articles of 2007

Monday, 14 January 2008

Now we're getting into 2008, here's a list of the 10 most popular articles on the Just Software Solutions website for 2007:

1. Implementing drop-down menus in pure CSS (no JavaScript)
   How to implement drop-down menus in CSS in a cross-browser fashion (with a teensy bit of JavaScript for IE).
2. Elegance in Software and Elegance in Software part 2
   What makes software elegant?
3. Reduce Bandwidth Usage by Supporting If-Modified-Since in PHP
   Optimize your website by allowing browsers to cache pages that haven't changed
4. Introduction to C++ Templates (PDF)
   How to use and write C++ templates.
5. Using CSS to Replace Text with Images
   How to use CSS to display titles and logos as images whilst allowing search engines and users with text-only browsers to see the text.
6. Testing on Multiple Platforms with VMWare
   The benefits of using VMWare for testing your code or website on multiple platforms
7. 10 Years of Programming with POSIX Threads
   A review of "Programming with POSIX Threads" by David Butenhof, 10 years after publication.
8. Review of Test Driven Development — A Practical Guide, by Dave Astels
   This book will help you to learn TDD.
9. Implementing Synchronization Primitives for Boost on Windows Platforms
   The technical details behind the current implementation of boost::mutex on Windows.
10. Building on a Legacy
    How to handle legacy code.

Posted by Anthony Williams
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Tags: popular, articles
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The Future of Concurrency in C++: ACCU 2008

Monday, 07 January 2008

I am pleased to start 2008 with some good news: I will be speaking on "The Future of Concurrency in C++" at ACCU 2008.

Here's the synopsis:

With the next version of the C++ Standard (C++0x), concurrency support is being added to C++. This means a new memory model with support for multiple threads of execution and atomic operations, and a new set of library classes and functions for managing threads and synchronizing data. There are also further library enhancements planned for the next technical report (TR2). This talk will provide an overview of the new facilities, including an introduction to the new memory model, and an in-depth look at how to use the new library. Looking forward to TR2, this talk will cover the proposed library extensions, and how facilities like futures will affect the programming model.

I hope to see you there!

Posted by Anthony Williams
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Tags: news, concurrency, threading, accu
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New Papers for C++ Standards Committee

Tuesday, 11 September 2007

I've just added the most recent papers that I've submitted to the C++ Standards Committee to our publications page. Mostly these are on multi-threading in C++:

• N2139 — Thoughts on a Thread Library for C++,
• N2276 — Thread Pools and Futures, and
• N2320 — Multi-threading library for Standard C++

but there's also an updated to my old paper on Names, Linkage and Templates (Rev 2), with new proposed wording for the C++ Standard now that the Evolution Working Group have approved the proposal in principle, and it has move to the Core Working Group for final approval and incorporation into the Standard.

Posted by Anthony Williams
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Implementing Synchronization Primitives for Boost on Windows Platforms

Wednesday, 11 July 2007

My article, Implementing Synchronization Primitives for Boost on Windows Platforms from the April 2007 issue of Overload is now available online.

In the article, I describe a the implementation of a new mutex type for Windows platforms, for the Boost Threads library.

Posted by Anthony Williams
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Plan-it Earth Website goes live

Tuesday, 20 March 2007

We've just completed the website for Plan-it Earth. They offer Yurt Holidays and family Eco Camps on their traditional Cornish smallholding, which is just a few miles from us. We have been working closely with them to develop a new website from scratch, and have thoroughly enjoyed the experience. We are passionate about Cornwall, and West Penwith in particular (hence our location), and about reducing our environmental impact, so it was wonderful to work on a website with people who were similarly passionate, and where the aim is to spread this enthusiasm.

Posted by Anthony Williams
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Message Handling Without Dependencies

Wednesday, 19 April 2006

My article, Message Handling Without Dependencies has been published in the May 2006 issue of Dr Dobb's Journal.

In the article, I describe a technique using templates and virtual functions to reduce dependencies when passing messages in C++. I have used this technique to great effect in production code.

Posted by Anthony Williams
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