Add AutoGPU RAII that doesn't depend on Python API #875
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apaszke
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Feb 28, 2017
torch/csrc/utils/auto_gpu.h
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torch/csrc/utils/auto_gpu.h
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Separates out non-Python part of AutoGPU. This also compiles without CUDA which is useful for generic tensor code. Also fixes a bug where THCPAutoGPU may not always switch the device: THCPAutoGPU guard(-1); guard.setDevice(0); guard.setDevice(1); guard.setDevice(0); // would not switch batch to 0
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Separates out non-Python part of AutoGPU. This also compiles without
CUDA which is useful for generic tensor code.
Also fixes a bug where THCPAutoGPU may not always switch the device: