NOTE: For an updated set of benchmarks, see the Benchmarks page. For those of you who have worked with JSON data in .Net you should be familiar with the DataContractJsonSerializer class and the JavaScriptSerializer class already. Both allow you to serialize/deserialize an object to and from a piece of string in JSON format, though there …
Quite some time ago I was asked to cover a C# developer interview for one of my neighbouring teams, and on the sheet of questions the original interviewer wanted me to ask was this question: Q. Why should you NEVER use delegates? I thought: “Well, at least I can rule myself out for the role!” …
I’ve covered the topic of using SmartThreadPool and the framework thread pool in more details here and here, this post will instead focus on a more specific scenario where the rate of new work items being queued outstrips the pool’s ability to process those items and what happens then. First, let’s try to quantify the …
SmartThreadPool – What happens when you take on more than you can chew Read More »
Out of curiosity after reading some articles on how the HashSet<T> (introduced in .Net 3.5) class is more performant than the List<T> class for set operations, I set about doing some experiments of my own to get a feel of just how much faster a HashSet is, and under what circumstances. Also, whilst there’s been …
Having spent quite a bit of time coding in F# recently I have thoroughly enjoyed the experience of coding in a functional style and come to really like the fact you can do so much with so little code. One of the counter-claims against F# has always been the concerns over performance in the most …
Performance Test – Prime numbers with LINQ vs PLINQ vs F# Read More »
By now you would have no doubt heard about the new dynamic type in C# 4 and how it has changed the way you write interop code in C#. As impressed as I am by it, I have been wondering just how much (if any) of a performance hit we’d have to pay to move …
Performance Test – Dynamic method invocation in C# 4 Read More »
As good and innovative as WCF is, it also introduced a lot of new complexities and whilst it is easy to get something up and running quickly it takes much more understanding to make your service perform as well as it could. There are many things you need to consider such as binding types, serialization …
WCF – Improve performance with greater concurrency Read More »
In the last couple of days or so I have spent some time reading Karl Seguin’s excellent and FREE to download ebook – Foundations of Programming which covers many topics from dependency injection to best practices for dealing with exceptions. The main topic that took my fancy was the Back to Basics: Memory section, here’s …
I spent a bit of time on Ayende’s blog today, finally catching up with a series of performance-related blog posts he made whilst working on the .Net profiler (the man’s a living legend, the quality AND quantity of his posts is without equal!) Whilst reading through the various posts, I came across an unfamiliar term …
When dealing with concurrency/threading issues in .Net, the normal approach is to use lock() to lock a dedicated sync object like this: This is an efficient, simple and well proven way to get thread-safety in .Net and is probably all you’ll ever need in your project. However, as this approach ensures only one thread can …
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