Today’s computing environments are becoming extremely complex, utilizing the capabilities of a wide range of multi-core processors, reconfigurable hardware (e.g. FPGAs), digital signal processors, and graphic processing units (GPUs). The process of developing efficient software that would work across such multiple architectures poses a wide number of challenges for the programmer. An application possess a number of workload behaviours, ranging from compute intensive (e.g., numerical methods, financial modelling and iterative methods) to control intensive (e.g., searching, sorting, and parsing) to data intensive (e.g., simulation & modelling, data mining, and image processing) where the overall throughput of the application is heavily dependent on the computational efficiency of the underlying hardware.

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Oracle(originally SunMicrosystems) has added Dynamic language support in Java Runtime by introducing Groovy and GRAILS (web framework).  It is Oracle’s response to support Dynamic Language support.  

Microsoft introduced System.Dynamic namespace to support Dynamic Types in .NET 4 and also launched WebMatrix(IDE) to support development of web pages using a dynamic type scripting.  

There seems to be a huge interest in support of Dynamic types in Higher level languages. I believe that in programming languages like C# (.NET/MONO) and JAVA(JRE) where you have an intermediate layer which performs function like automatic garbage collection; the layer itself should identify the types at runtime based on their usage. There should not be much difference in performance as the intermediate layer itself has already created the performance overhead.  

It makes more sense to have a static typed model in programming language like C++, since all memory management has to be manually programmed. Now consider a dynamic language like PHP. When compared to ASP.NET and JSP, the overall memory consumption of PHP applications is far less. This just shows that dynamic programming can be more efficient as type identification and memory allocation can be performed much better by the system.

I personally believe that after nearly a decade Oracle (originally SunMicrosystems) and Microsoft have finally got it right.  

Almost 70% of all open source applications are written in LAMP. Major giants like Yahoo, Twitter, Facebook etc; make use LAMP for developing most of their applications. LAMP is the most dominating platform for web (client/server) development, and there is a very good reason for that. There are possibly 1000’s or more open source frameworks, which significantly simplify the overall development time. Also they are very highly featured.

Though PHP code may look cryptic at first but it is really simple to code. Also there is a framework for every web development; you will end up coding very few lines of code.

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WPF provides 2 major benefits to developers :

1. "Unified programming model" for Web-Application and Desktop Application.
   This is achieved through the use of XAML language for designing user interface.
2. It makes use Direct X for hardware accelerated graphics . As a result the UI is much richer.

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