Eleftherios D. Polychronopoulos, Xavier Martorell, Dimitrios S. Nikolopoulos, Jesus Labarta, Theodore S. Papatheodorou and Nacho Navarro, "Kernel-Level Scheduling for the Nano--Threads Programming Model", to appear in the 12th ACM International Conference on Supercomputing (ICS'98), Melbourne, Australia, 13-17 July, 1998.  Home/Search   Document Details and Download   Summary   Related Articles

....environment developed within the NANOS Project and designed to support fine grain parallelization of applications on current hardware. The NANOS run time execution environment is spread out between user and kernel levels. Within the kernel, we are proposing a new interface presented in [M1D197][Poly98]. The user level component is the NthLib threads package, which supports fine grain parallelization of applications, along with the execution of applications on a dynamic resource allocation environent, allowing changes in the number of processors assigned to each application. For this reason, it ....

....the running applications. Each application dinamically informs the operating system about how many processors it wants to run on at each phase of its execution. The operating system dynamically grants all or less of the requested processors to each application, depending on the overall system load[Poly98]. On top of the operating system, the user level run time library (NthLib) is aware of the dynamic processor allocation and reacts to changes, adapting the parallelism the application is exploting to the current number of processors. At the top level, the application controls how much work ....

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Eleftherios D. Polychronopoulos, Xavier Martorell, Dimitrios S. Nikolopoulos, Jesus Labarta, Theodore S. Papatheodorou and Nacho Navarro, "Kernel-Level Scheduling for the Nano--Threads Programming Model", to appear in the 12th ACM International Conference on Supercomputing (ICS'98), Melbourne, Australia, 13-17 July, 1998.

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