RAMdisk Linux-BASED OPERATING SYSTEM OPTIMIZED FOR HIGH-PERFORMANCE CALCULATIONS
E. V. Eremin, N. N. Zalyalov
VANT. Ser.: Mat. Mod. Fiz. Proc 2015. Вып.2. С. 69-77.
The paper describes the basic milestones of the core resident Linux-based Operating System development to control the operation of diskless computer nodes of a multi-processor computer complex. We consider the procedures of the system building to enable the change of the software suit by adding and removing program packages, forming various operating system images for different parts of the heterogenic computer complex. We discuss in detail the processes of two-step downloading over the communication network of the computer complex, which accelerates the whole complex loading. We also provide several estimations of the operating system effect on the parallel code, which we have obtained using local tests, collective exchanges and profiling data. There is also a short review of related work. Keywords: multi-processor computer complex, core resident Operating System, Linux core, descending loading, profiling, parallel code, hot spot, Operating System noise.
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