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MXGPU: A Case Study on OS-Controlled GPGPU Multiplexing
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DOI：10.1007/978-3-032-03281-2_6.png)
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Abstract
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With the growing demand for artificial intelligence and other data-intensive applications, the demand for graphics processing units (GPUs) has also increased. Even though there are many approaches on multiplexing GPUs, none of the approaches known to us enable the operating system to coherently integrate GPU resources alongside CPU resources into a holistic resource management. Due to the history of GPUs, GPU drivers are still a large, isolated part within the driver stack of operating systems. This paper aims to conduct a case study on how a multiplexing solution for GPGPUs could look like, where the OS is able to define scheduling policies for GPGPU tasks and manage GPU memory. We will discuss the architecture of MxGPU, which offers software-based multiplexing of integrated Intel GPUs. MxGPU has a tiny code base, which is a precondition for formal verification approaches and usage in safety-critical environments. Experiments with our prototype show that MxGPU can grant the operating system control over GPU resources while allowing more GPU sessions with less overhead compared to existing work.
Keywords:
GPGPU
Multiplexing
Resource Management
Operating System
Journal
A
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Papers:
35
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