Language level support for shared virtual memory
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United States of America Patent
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Mar 25, 2014
Grant Date -
Jul 25, 2013
app pub date -
Mar 11, 2013
filing date -
Nov 13, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
Embodiments of the invention provide language support for CPU-GPU platforms. In one embodiment, code can be flexibly executed on both the CPU and GPU. CPU code can offload a kernel to the GPU. That kernel may in turn call preexisting libraries on the CPU, or make other calls into CPU functions. This allows an application to be built without requiring the entire call chain to be recompiled. Additionally, in one embodiment data may be shared seamlessly between CPU and GPU. This includes sharing objects that may have virtual functions. Embodiments thus ensure the right virtual function gets invoked on the CPU or the GPU if a virtual function is called by either the CPU or GPU.
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