Since Qt 4 (latest generation of Qt released in June 2005), threads are always enabled.
#QT UPDATE GUI FROM WORKER THREAD PORTABLE#
This makes it easy to develop portable multithreaded Qt applications and take advantage of multiprocessor machines.Įarlier versions of Qt offered an option to build the library without thread support. Qt provides thread support in the form of platform-independent threading classes, a thread-safe way of posting events, and signal-slot connections across threads. Moving to a multicore world means that application developers will have to write programs differently and that’s what Qt is about. However, getting there is no simple or easy task, unless of course you are using Trolltech’s Qt®, the standard framework for high-performance, cross-platform application development. The benefits of multicore technology and multithreading to maximize advancements in hardware is clear. Multithreaded programming is also a useful paradigm for performing time-consuming operations without freezing the user interface of an application. For instance, desktop PCs ship with four cores and even phones have dual-core CPUs these days.Īs a result, multithreading is particularly beneficial for applications that have a lot of complicated interoperating control tasks that switch back and forth on a regular basis.
Clearly, threading is no longer the exclusive domain of server-application developers. The trend toward multiple compute cores is growing and having a profound impact on developers across various markets. There’s a lot of talk these days about multicore technology and multithreaded development.
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