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7452
(비회원)
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13.11.08 03:11
In computing, "massively parallel" refers to the use of a large number of processors (or separate computers) to perform a set of coordinated computations in parallel. In one approach, (e.g., in grid computing the processing power of a large number of computers in distributed), diverse administrative domains, is opportunistically used whenever a computer is available.
An example is BOINC, a volunteer-based, opportunistic grid system. In another approach, a large number of processors are used in close proximity to each other, (e.g., in a computer cluster). In such a centralized system the speed and flexibility of the interconnect becomes very important, and modern supercomputers have used various approaches ranging from enhanced Infiniband systems to three-dimensional torus interconnects.
The term also applies to massively parallel processor arrays (MPPAs) a type of integrated circuit with an array of hundreds or thousands of CPUs and RAM memories. These processors pass work to one another through a reconfigurable interconnect of channels. By harnessing a large number of processors working in parallel, an MPPA chip can accomplish more demanding tasks than conventional chips. MPPAs are based on a software parallel programming model for developing high-performance embedded system application
만약에 sanger sequencing으로 한다고 생각하면, 딱 보낸 샘플양 내에서만 과정이진행되잖아요~
NGS의 경우는 flow cell에 붙어있던 adaptor sequence에 넣어준 sample이 결합하여 또한번의 amplification과정을 거치기 때문에 무수히 많은 target sequence가 cluster를 형성하게 됩니다.
이들이 각 시퀀싱 cycle마다 base 하나씩 붙여가면서 동시에 빛을 내기 때문에 이를 두고 parallel하다는 표현을 쓴것 같습니다. 즉 한번에 무수히 많은 target sequence가 읽히는 것을 말한다고 보면 될듯 싶습니다.