Understanding Software Approaches for GPGPU Reliability

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Provided by: Association for Computing Machinery
Topic: Hardware
Format: PDF
Even though Graphics Processing Units (GPUs) are becoming increasingly popular for general purpose computing, current (and likely near future) generations of GPUs do not provide hardware support for detecting soft/hard errors in computation logic or memory storage cells since graphics applications are inherently fault tolerant. As a result, if an error occurs in GPUs during program execution, the results could be silently corrupted, which is not acceptable for general purpose computations. To improve the fidelity of general purpose computation on GPUs (GPGPU), the authors investigate software approaches to perform redundant execution. In particular, they propose and study three different, application-level techniques.
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