Switch to functional backend #98
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This does not fix #90. Think of this scenario:
In such a case, the backend that should be picked is either OpenCL or CPU. However the current mechanism picks The proper solution would be to call some function (lets say randu) after loading a library to see if it throws an exception. If an exception is throw, continue until a library can both be loaded and |
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Okay, i understand what you meant by functional now. |
9prady9
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Though libraries of a given backend can be present on the target machine, there can be scenarios where a compatible hardware device is not available. In such cases, backend loader checks if current selected backend has a device ready for use. If no appropriate device exists, the next backend in the priority list is checked for same criteria. This process is repeated until a working backend is found. In the event that no functional backend is found, the program throws a runtime error.
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FIxes #90
After this commit, instead of loading the libraries ahead of usage,
when an arrayfire function is called for first time, a functional
backend is loaded on the fly.