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New parallelization technique boosts our ability to model biological systems
Date:6/9/2011

to "parallelize" algorithms for building models of biological systems, Williams' research team created a way for information to pass back and forth between the cores on a single chip. Specifically, Williams explains, "we used threads to create 'locks' that control access to shared data. This allows all of the cores on the chip to work together to solve a unified problem."

The researchers tested the approach by running three models through chips that utilized one core, as well as chips that used the new technique to utilize two, four and eight cores. In all three models, the chip that utilized eight cores ran at least 7.5 times faster than the chip that utilized only one core.

"This approach allows us to build complex models that better reflect the true characteristics of the biological process, and do it in a more computationally efficient way," says Williams. "This is important. In order to understand biological systems, we will need to use increasingly complex models to address the uncertainty and variation inherent in those systems."

Ultimately, Williams and his team hope to see if this approach can be scaled up for use on supercomputers, and whether it can be modified to take advantage of the many cores that are available on graphics processing units used in many machines.


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Contact: Matt Shipman
matt_shipman@ncsu.edu
919-515-6386
North Carolina State University
Source:Eurekalert

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