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Ct technology adds abstraction to parallelism

By David Worthington

April 9, 2009 —

Intel is gearing up to release a library and runtime called Ct to add a level of abstraction to parallel programming. Ct technology works with any C and C++ compiler, and is intended to complement Intel's existing parallelism products.

At the Intel Developer Forum in Beijing last night, the company announced that Ct had graduated from being a research product to a production technology. Ct is focused on data parallelism, which is concerned with distributed data across multicore processors.

It will enter beta before the end of the year as part of Intel's Parallel Studio tool suite, said James Reinders, director of Intel's software development products. Intel Parallel Studio will fully support compilation, debugging and tuning for Ct technology.

"Ct brings safety characteristics to mainstream languages," said Reinders. "It has been very successful in creating deterministic guarantees about safety." He added that it does not require any non-standard compilers.

He explained that correctness, which means eliminating severe flaws (such as deadlock and data races in parallel code), has normally required a developer to either use functional programming languages or to debug code after it is written.

"Intel's Ct is an important step forward for parallel programming in that it adds a layer of abstraction that makes it far easier to create applications that take advantage of multiple cores by eliminating a lot of the headaches involved with creating multi-threaded applications. Essentially, it keeps developers from having to spend so much time worrying about thread contentions," said Janel Garvin, senior analyst and founder of Evans Data Corporation.

"Ct takes the variability out of how a programmer codes," said Reinders. "It has a runtime to ensure scalability and predictability. There is more safety in the program than with other coding techniques."

Another purpose for Ct technology is to allow developers to take advantage of Intel's upcoming Larrabee graphics processing unit, he said. Larrabee products are expected to ship in 2010.

As Intel moves into hundreds of cores per processor, Ct will scale to support that without forcing developers to rewrite their programs, Reinders noted.

"We think Ct is a very exciting technology—a big step forward to advancing the cause of parallel programming…And yes, providing tools for their technologies always gives a company strategic advantage," said Garvin.

Related Search Term(s): Ct, Intel, multicore

Share this link: http://www.sdtimes.com/link/33408

Intel extends C++ for multicore processors with Cilk++ and RapidMind Intel is augmenting its parallel and C++ capabilities with its recent acquisitions of two language extensions

Intel addresses development life cycle with Parallel Studio The final version of Parallel Studio, Intel's solution for developing and debugging concurrent programs, is available today.

Intel adds parallel programming features to compilers With Intel's Core i7 release coming soon, the company has put out updated versions of its C++ and Fortran compilers, as well as an update to its Cluster Toolkit. The compilers use OpenMP 3.0 for multi-platform, shared-memory parallel programming.

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