Talk Of Improving Qt's Multi-Threading Abilities
Written by Michael Larabel in Qt on 21 February 2013 at 09:06 AM EST. 2 Comments
Qt
Sparked yesterday was a discussion among Qt developers about improving the tool-kit's multi-threading API.

Qt provides right now QThread as a way of managing threads in a platform-independent manner, there's various other Qt classes for dealing with threading, and there's also various other patches under review for enhancing Qt's multi-threading abilities. However, Qt developers remain split on the best way for handling multi-threading.

Sze Howe Koh started a new thread on the Qt developers' mailing list about evolving the Qt multi-threading API to hopefully incorporate the requests of all developers.

Among the items that have been talked about is re-doing the QtConcurrent class, finding a third-party solution for high-level multi-threading, and influencing C++1y by creating a nice multi-threading API for the language.

Some suggestions have also included putting a Qt wrapper around Intel's Threaded Building Blocks (TBB) and integrating ThreadWeaver back into Qt. One of the recent messages on the mailing list was also on leveraging OpenMP for multi-threading.

So far nothing conclusive has come out of these Qt multi-threading discussions beyond acknowledgement by developers that the tool-kit's support can/should be revamped. This is obviously too late to happen for Qt 5.1 but hopefully a course of action will be decided upon in the near future.
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Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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